CA2404055A1 - A method of controlling transmission in a communications system using power back-off factors - Google Patents
A method of controlling transmission in a communications system using power back-off factors Download PDFInfo
- Publication number
- CA2404055A1 CA2404055A1 CA002404055A CA2404055A CA2404055A1 CA 2404055 A1 CA2404055 A1 CA 2404055A1 CA 002404055 A CA002404055 A CA 002404055A CA 2404055 A CA2404055 A CA 2404055A CA 2404055 A1 CA2404055 A1 CA 2404055A1
- Authority
- CA
- Canada
- Prior art keywords
- channels
- channel
- factors
- data
- data transmissions
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/30—TPC using constraints in the total amount of available transmission power
- H04W52/34—TPC management, i.e. sharing limited amount of power among users or channels or data types, e.g. cell loading
- H04W52/343—TPC management, i.e. sharing limited amount of power among users or channels or data types, e.g. cell loading taking into account loading or congestion level
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/30—Monitoring; Testing of propagation channels
- H04B17/309—Measuring or estimating channel quality parameters
- H04B17/336—Signal-to-interference ratio [SIR] or carrier-to-interference ratio [CIR]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/30—Monitoring; Testing of propagation channels
- H04B17/382—Monitoring; Testing of propagation channels for resource allocation, admission control or handover
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/18—TPC being performed according to specific parameters
- H04W52/24—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/18—TPC being performed according to specific parameters
- H04W52/24—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters
- H04W52/241—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters taking into account channel quality metrics, e.g. SIR, SNR, CIR, Eb/lo
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/18—TPC being performed according to specific parameters
- H04W52/24—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters
- H04W52/243—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters taking into account interferences
- H04W52/244—Interferences in heterogeneous networks, e.g. among macro and femto or pico cells or other sector / system interference [OSI]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/18—TPC being performed according to specific parameters
- H04W52/26—TPC being performed according to specific parameters using transmission rate or quality of service QoS [Quality of Service]
- H04W52/267—TPC being performed according to specific parameters using transmission rate or quality of service QoS [Quality of Service] taking into account the information rate
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/30—TPC using constraints in the total amount of available transmission power
- H04W52/34—TPC management, i.e. sharing limited amount of power among users or channels or data types, e.g. cell loading
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/30—TPC using constraints in the total amount of available transmission power
- H04W52/34—TPC management, i.e. sharing limited amount of power among users or channels or data types, e.g. cell loading
- H04W52/346—TPC management, i.e. sharing limited amount of power among users or channels or data types, e.g. cell loading distributing total power among users or channels
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/18—TPC being performed according to specific parameters
- H04W52/28—TPC being performed according to specific parameters using user profile, e.g. mobile speed, priority or network state, e.g. standby, idle or non transmission
- H04W52/286—TPC being performed according to specific parameters using user profile, e.g. mobile speed, priority or network state, e.g. standby, idle or non transmission during data packet transmission, e.g. high speed packet access [HSPA]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/52—Allocation or scheduling criteria for wireless resources based on load
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
- H04W72/542—Allocation or scheduling criteria for wireless resources based on quality criteria using measured or perceived quality
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/56—Allocation or scheduling criteria for wireless resources based on priority criteria
- H04W72/566—Allocation or scheduling criteria for wireless resources based on priority criteria of the information or information source or recipient
- H04W72/569—Allocation or scheduling criteria for wireless resources based on priority criteria of the information or information source or recipient of the traffic information
Abstract
In some aspects, each cell in the communications system can be designed to operate in accordance with a set of back-off factors that identify the reductions in peak transmit power levels for the channels associated with the back-off factors. The back-off factors are defined to provide the required power to a large percentage of the users while reducing the amount of interference. In some other aspects, the cells operate using an adaptive reuse scheme that allows the cells to efficiently allocate and reallocate the system resources to reflect changes in the system. A reuse scheme is initially defined and resources are allocated to the cells. During operation, changes in the operating conditions of the system are detected and the reuse scheme is redefined as necessary based on the detected changes. For example, the loading conditions of the cells can be detected, and the resources can be reallocated and/or the reuse scheme can be redefined. In yet other aspects, techniques are provided to efficiency schedule data transmissions and to assign channels to users. Data transmissions can be scheduled based on user priorities, some fairness criteria, system requirements, and other factors. Users are assigned to available channels based on a number of channel assignment schemes. Channel metrics are also provided, which can be used to prioritize users and for channel assignments.
Claims (120)
1. A method for controlling transmissions in a communications system, the method comprising:
determining one or more characteristics of the communications system;
partitioning available system resources into a plurality of channels;
defining a plurality of back-off factors for the plurality of channels based at least in part on the determined one or more characteristics of the communications system, wherein each channel is associated with a respective back-off factor that identifies a reduction from peak transmit power level, and wherein each back-off factor ranges from zero to one; and transmitting on the plurality of channels at power levels determined based at least in part on the plurality of back-off factors.
determining one or more characteristics of the communications system;
partitioning available system resources into a plurality of channels;
defining a plurality of back-off factors for the plurality of channels based at least in part on the determined one or more characteristics of the communications system, wherein each channel is associated with a respective back-off factor that identifies a reduction from peak transmit power level, and wherein each back-off factor ranges from zero to one; and transmitting on the plurality of channels at power levels determined based at least in part on the plurality of back-off factors.
2. The method of claim 1, wherein the available system resources are partitioned into a plurality of time division multiplexed (TDM) time slots, and wherein the plurality of channels correspond to defined sets of time slots.
3. The method of claim 1, wherein the available system resources are partitioned into a plurality of frequency division multiplexed (FDM) channels.
4. The method of claim 3, wherein the plurality of channels corresponds to sub-bands in an orthogonal frequency division multiplexing (OFDM) modulation system.
5. The method of claim 1, wherein the available system resources are partitioned into a plurality of code division multiple access (CDMA) channels.
6. The method of claim 1, wherein the determined one or more characteristics of the communications system include carrier-to-noise-plus-interference (C/I) characterization of receiver units in the communications system.
7. The method of claim 1, wherein the determined one or more characteristics of the communications system include loading probabilities for the communications system.
8. The method of claim 1, wherein the plurality of back-off factors are defined to approximately match the one or more determined characteristics of the communications system.
9. The method of claim 6, wherein the plurality of back-off factors are defined to approximately match the C/I characterization for the receiver units in the communications system.
10. The method of claim 1, wherein the plurality of back-off factors are defined based in part on required outage probabilities.
11. The method of claim 1, wherein the plurality of back-off factors are defined based in part on one or more set points selected for the plurality of channels, wherein each set point corresponds to a required C/I for a data transmission.
12. The method of claim 11, wherein the one or more set points are determined based in part on required outage probabilities.
13. The method of claim 11, wherein the one or more set points are determined based in part on required data rates of data transmissions on the plurality of channels.
14. The method of claim 1, further comprising:
estimating a required transmit power level for each of the plurality of channels;
adjusting the plurality of back-off factors based on the estimated required transmit power levels for the plurality of channels.
estimating a required transmit power level for each of the plurality of channels;
adjusting the plurality of back-off factors based on the estimated required transmit power levels for the plurality of channels.
15. The method of claim 14, wherein the required transmit power level for a particular channel is estimated based on a C/I estimate of a data transmission on the particular channel.
16. The method of claim 15, wherein the required transmit power level for the particular channel is further estimated based on a data rate for the data transmission on the particular channel.
17. The method of claim 1, wherein at least one channel is associated with a back-off factor of one, representative of full transmit power, and remaining channels are associated with back-off factors of less than one.
18. The method of claim 1, wherein the plurality of back-off factors are dynamically defined to reflect changes in the communications system.
19. The method of claim 18, wherein the plurality of back-off factors are dynamically defined to reflect changes in performance requirements in the communications system.
20. The method of claim 1, wherein the plurality of back-off factors are adaptively defined to approximately match changes in the communications system.
21. The method of claim 20, wherein the plurality of back-off factors are adaptively defined to approximately match changes in characterization of receiver units in the communications system.
22. The method of claim 20, wherein the plurality of back-off factors are adaptively defined to approximately match changes in loading conditions in the communications system.
23. The method of claim 1, wherein one or more back-off factors are adjusted based on measured performance.
24. The method of claim 23, wherein the one or more back-off factors are adjusted based on estimated or measured C/I.
25. The method of claim 23, wherein the one or more back-off factors are adjusted based on measured frame erasure rates (FERs).
26. The method of claim 23, wherein the one or more back-off factors are adjusted based on estimated outage probabilities.
27. The method of claim 1, wherein one or more back-off factors are reduced for selected time durations to reduce interference.
28. The method of claim 1, wherein one or more back-off factors are set to zero for selected time durations to eliminate interference on one or more associated channels.
29. The method of claim 1, wherein the back-off factor of a particular channel is set to zero if performance of the particular channel is degraded below a particular threshold.
30. The method of claim 29, wherein the back-off factor of the particular channel is set to zero if a frame erasure rate (FER) exceeds a particular FER
threshold.
threshold.
31. The method of claim 29, wherein the back-off factor of the particular channel is set to zero if an outage probability for the particular channel exceeds a particular value.
32. A method for controlling transmissions in a communications system, the method comprising:
defining a reuse pattern for the communications system, wherein the reuse pattern includes a plurality of cells;
determining one or more characteristics for each cell in the reuse pattern;
partitioning available system resources into a plurality of channels;
defining a plurality of back-off factors for the plurality of channels for each cell in the reuse pattern based at least in part on the determined one or more characteristics, wherein each channel of each cell is associated with a respective back-off factor that identifies a reduction from peak transmit power level, and wherein each back-off factor ranges from zero to one; and transmitting on the plurality of channels from the plurality of cells at power levels determined based at least in part on the associated back-off factors.
defining a reuse pattern for the communications system, wherein the reuse pattern includes a plurality of cells;
determining one or more characteristics for each cell in the reuse pattern;
partitioning available system resources into a plurality of channels;
defining a plurality of back-off factors for the plurality of channels for each cell in the reuse pattern based at least in part on the determined one or more characteristics, wherein each channel of each cell is associated with a respective back-off factor that identifies a reduction from peak transmit power level, and wherein each back-off factor ranges from zero to one; and transmitting on the plurality of channels from the plurality of cells at power levels determined based at least in part on the associated back-off factors.
33. The method of claim 32, wherein the back-off factors for each cell in the reuse pattern are approximately staggered from those of neighboring cells in the reuse pattern.
34. The method of claim 32, further comprising:
estimating effective link margins for the plurality of channels for each cell in the reuse pattern; and redefining the back-off factors for each cell in the reuse pattern based on the estimated effective link margins.
estimating effective link margins for the plurality of channels for each cell in the reuse pattern; and redefining the back-off factors for each cell in the reuse pattern based on the estimated effective link margins.
35. The method of claim 34, wherein the estimating and redefining are performed iteratively until a set of conditions is satisfied.
36. The method of claim 34, wherein the estimating and redefining are performed iteratively until the effective link margins are within a particular threshold value.
37. The method of claim 32, further comprising:
at a particular cell, receiving one or more requests from one or more neighbor cells to reduce the back-off factor for a particular channel; and reducing the back-off factor for the particular channel in accordance with the one or more received requests.
at a particular cell, receiving one or more requests from one or more neighbor cells to reduce the back-off factor for a particular channel; and reducing the back-off factor for the particular channel in accordance with the one or more received requests.
38. The method of claim 37, wherein the back-off factor for the particular channel is reduced by the largest of requested reduction from the one or more neighbor cells.
39. The method of claim 32, wherein the back-off factors are applied at one or more time slots, or on one or more channels, or by one or more cells in the reuse pattern, or a combination thereof.
40. The method of claim 32, wherein the available system resources are partitioned into a plurality of time division multiplexed (Td) time slots, a plurality of frequency division multiplexed (FDM) channels, or a plurality of code division multiple access (CDMA) channels, and wherein the plurality of channels correspond to defined sets of TDM time slots, or the plurality of FDM
channels, or the plurality of CDMA channels, or a combination thereof.
channels, or the plurality of CDMA channels, or a combination thereof.
41. The method of claim 32, wherein the determined one or more characteristics of the communications system include carrier-to-noise-plus-interference (C/I) characterization of receiver units in the communications system or loading probabilities for the communications system, or both.
42. The method of claim 32, wherein the plurality of back-off factors for each cell are defined based in part on C/I characterization for receiver units in the cell, one or more set points selected for the plurality of channels, required outage probabilities, or a combination thereof.
43. The method of claim 32, wherein one or more back-off factors for a particular cell are adjusted based on measured or estimated performance corresponding to measured frame erasure rates (FERs), outage probabilities, or C/Is, or a combination thereof.
44. The method of claim 32, wherein one or more back-off factors for a particular cell are adjusted by amounts related to measured C/I and set point.
45. The method of claim 32, wherein the back-off factors assigned to the plurality of cells are modified to reduce co-channel interference.
46. The method of claim 32, wherein each of the plurality of cells is designated a respective set of time intervals in which data transmissions are allowed.
47. The method of claim 32, wherein the back-off factors are associated with sectors in a sectorized cell.
48. A method for operating a plurality of transmitter units in a wireless communications system, the method comprising:
partitioning available system resources into a plurality of channels;
defining a reuse pattern for the communications system, wherein the reuse pattern includes a plurality of cells;
determining one or more characteristics for each cell in the reuse pattern;
allocating a set of channels to each cell in the reuse pattern based at least in part on the determined one or more characteristics for the cell; and repeating the determining and allocating to reflect changes in the communications system.
partitioning available system resources into a plurality of channels;
defining a reuse pattern for the communications system, wherein the reuse pattern includes a plurality of cells;
determining one or more characteristics for each cell in the reuse pattern;
allocating a set of channels to each cell in the reuse pattern based at least in part on the determined one or more characteristics for the cell; and repeating the determining and allocating to reflect changes in the communications system.
49. The method of claim 48, wherein each cell in the reuse pattern is allocated a respective set of channels for transmission at full power level.
50. The method of claim 48, wherein each cell in the reuse pattern is allocated a respective set of channels that includes one or more channels available for transmission at full power level and one or more channels available for transmission at reduced power levels.
51. The method of claim 48, wherein the sets of channels allocated to the cells are determined based in part on the number of available channels and the number of cells in the reuse pattern.
52. The method of claim 48, wherein the sets of channels allocated to the cells are determined based in part on estimated loading conditions in the cells.
53. The method of claim 48, wherein each cell in the reuse pattern is allocated a respective set of channels that are orthogonal to those allocated to other cells in the reuse pattern.
54. The method of claim 48, wherein one or more channels allocated to a particular cell are transmitted at reduced power to reduce interference.
55. The method of claim 54, wherein reduction in power is performed in defined steps.
56. The method of claim 48, wherein one or more channels allocated to a particular cell are temporarily prohibited from transmitting to reduce interference.
57. The method of claim 48, wherein a particular cell transmits on a non-allocated channel for a transmission demand not supportable by the capacity of the allocated set of channels.
58. The method of claim 57, wherein the non-allocated channel is selected based on an estimated performance of the selected channel.
59. The method of claim 58, wherein the non-allocated channel is selected based on an estimated probability of occupancy of the selected channel by neighbor cells.
60. The method of claim 58, wherein the non-allocated channel is selected based on an estimated carrier-to-interference-plus-noise (C/I) achievable on the selected channel.
61. The method of claim 58, wherein the non-allocated channel is selected based on an estimated outage probability for the selected channel.
62. The method of claim 57, wherein one or more channels are reserved for transmissions by a particular cell for a particular time duration.
63. The method of claim 62, wherein neighbor cells are prohibited from transmission on the one or more reserved channels for the particular time duration.
64. The method of claim 48, wherein the transmit power of each allocated channel is limited to a range of power levels when the allocated channel is transmitting.
65. The method of claim 48, wherein the determining and allocating are performed periodically.
66. The method of claim 48, wherein the determining and allocating are performed upon receiving an indication of changes in the communications system.
67. The method of claim 48, wherein the reuse pattern includes three or more cells.
68. The method of claim 48, wherein the available system resources are partitioned into 12 or more channels.
69. A method for providing data transmissions to a plurality of receiver units in a communications system, the method comprising:
defining a reuse scheme to be used for the data transmissions to the plurality of receiver units, wherein the defined reuse scheme identifies a particular reuse pattern, an initial allocation of available system resources, and a set of operating parameters;
transmitting to the plurality of receiver units in accordance with the defined reuse scheme;
evaluating performance of the communications system;
determining whether the evaluated system performance is within particular thresholds; and if the evaluated system performance is not within the particular thresholds, redefining the reuse scheme.
defining a reuse scheme to be used for the data transmissions to the plurality of receiver units, wherein the defined reuse scheme identifies a particular reuse pattern, an initial allocation of available system resources, and a set of operating parameters;
transmitting to the plurality of receiver units in accordance with the defined reuse scheme;
evaluating performance of the communications system;
determining whether the evaluated system performance is within particular thresholds; and if the evaluated system performance is not within the particular thresholds, redefining the reuse scheme.
70. The method of claim 69, wherein the defining the reuse scheme includes:
characterizing one or more parameters of the communications system, and defining a reuse plan based at least in part on the one or more characterized parameters, wherein the reuse plan identifies the particular reuse pattern and an initial cell reuse layout based on the particular reuse pattern.
characterizing one or more parameters of the communications system, and defining a reuse plan based at least in part on the one or more characterized parameters, wherein the reuse plan identifies the particular reuse pattern and an initial cell reuse layout based on the particular reuse pattern.
71. The method of claim 70, wherein characterizing includes determining an interference characterization for the plurality of receiver units in the communications system.
72. The method of claim 70, wherein the one or more parameters are updated periodically to reflect changes in the communications system.
73. The method of claim 70, wherein the defining the reuse scheme further includes:
partitioning the available system resources into a plurality of channels, and allocating a set of channels to each cell in the cell reuse layout based at least in part on the one or more characterized parameters.
partitioning the available system resources into a plurality of channels, and allocating a set of channels to each cell in the cell reuse layout based at least in part on the one or more characterized parameters.
74. The method of claim 73, wherein the characterizing includes determining expected probabilities of occupancy for the set of channels allocated to each cell.
75. The method of claim 74, wherein the expected probabilities of occupancy are set to one for uncharacterized channels.
76. The method of claim 73, wherein the defining the reuse scheme further includes:
defining a set of back-off factors to be associated with each allocated set of channels.
defining a set of back-off factors to be associated with each allocated set of channels.
77. The method of claim 73, wherein the set of operating parameters includes a set of back-off factors fox each allocated set of channels.
78. The method of claim 69, further comprising receiving an indication of changes in the communications system; and redefining reuse scheme in response to the received indication of changes in the communications system.
79. The method of claim 69, wherein the evaluating includes determining effective link margins, frame erasure rates (FERs), outage probabilities, or average throughputs, or a combination thereof, for a particular cell.
80. A method for providing data transmissions to a plurality of receiver units in a communications system, the method comprising:
updating a first set of parameters to be used for scheduling the data transmissions;
prioritizing the data transmissions;
assigning the data transmissions to respective available channels based at least in part on priorities of the data transmissions;
updating a second set of parameters to be used for transmitting the data transmissions; and transmitting on the assigned channels to the plurality of receiver units using the updated second set of parameters.]
updating a first set of parameters to be used for scheduling the data transmissions;
prioritizing the data transmissions;
assigning the data transmissions to respective available channels based at least in part on priorities of the data transmissions;
updating a second set of parameters to be used for transmitting the data transmissions; and transmitting on the assigned channels to the plurality of receiver units using the updated second set of parameters.]
81. The method of claim 80, wherein the first set of parameters channel occupancy probabilities, loading probabilities, characterization of carrier-to-interference-plus-noise (C/I) of the receiver units, or back-off factors, or a combination thereof.
82. The method of claim 80, wherein the prioritizing includes computing channel metrics for the available channels for each receiver unit using the updated first set of parameters.
83. The method of claim 82, wherein the channel metrics relate to cumulative throughput.
84. The method of claim 83, wherein the cumulative throughput is determined based on realizable or actual data rates.
85. The method of claim 83, wherein the cumulative throughput is determined as a sliding average of realizable or actual data rates over a particular time interval.
86. The method of claim 82, wherein the channel metrics relate to outage probabilities.
87. The method of claim 82, wherein the channel metrics relate to expected achievable carrier-to-interference-plus-noise (C/I).
88. The method of claim 82, wherein the channel metrics is reflective of interference constraint matrices indicative of interference expected from interfering sources.
89. The method of claim 82, wherein the prioritizing further includes assigning priorities to the data transmissions based in part on the computed channel metrics.
90. The method of claim 89, wherein the prioritizing further includes upgrading priority of a particular data transmission based at least in part on delays experienced by the data transmission.
91. The method of claim 89, wherein the assigning the data transmissions to respective available channels is achieved base in part on the assigned priorities of the data transmissions and the computed channel metrics.
92. The method of claim 91, wherein successively lower priority data transmissions are assigned to the available channels, starting with the highest priority data transmission.
93. The method of claim 91, wherein successively smaller load data transmissions are assigned to the available channels, starting with the highest load data transmission.
94. The method of claim 80, further comprising:
measuring performance of one or more data transmissions; and adjusting transmit power levels for the one or more data transmissions based on the measured performance.
measuring performance of one or more data transmissions; and adjusting transmit power levels for the one or more data transmissions based on the measured performance.
95. The method of claim 94, wherein the transmit power levels for the one or more data transmissions are adjusted based on measure frame erasure rate (FER) of the one or more data transmissions.
96. The method of claim 80, further comprising:
estimating required transmit power for a particular data transmission;
and adjusting a data rate of the particular data transmission based at least in part on the estimated required transmit power.
estimating required transmit power for a particular data transmission;
and adjusting a data rate of the particular data transmission based at least in part on the estimated required transmit power.
97. The method of claim 80, wherein the assigning is achieved to approximately equalize data rates for the data transmissions.
98. The method of claim 97, wherein the equalized data rates are achieved by assigning two or more channels to data transmissions transmitted at lower data rates.
99. A method for providing data transmissions on a plurality of channels to a plurality of receiver units in a communications system, the method comprising:
computing channel metrics for the plurality of channels for each receiver unit;
prioritizing the data transmissions;
assigning data transmissions to the plurality of channels based on priorities of the data transmissions and the computed channel metrics, wherein the assigning includes selecting a data transmission having a highest priority, assigning the selected data transmission to a channel having a least favorable channel metrics but meeting requirements, and successively assigning remaining data transmissions, in order of decreasing priorities, to available channels; and transmitting on the assigned channels to the plurality of receiver units.
computing channel metrics for the plurality of channels for each receiver unit;
prioritizing the data transmissions;
assigning data transmissions to the plurality of channels based on priorities of the data transmissions and the computed channel metrics, wherein the assigning includes selecting a data transmission having a highest priority, assigning the selected data transmission to a channel having a least favorable channel metrics but meeting requirements, and successively assigning remaining data transmissions, in order of decreasing priorities, to available channels; and transmitting on the assigned channels to the plurality of receiver units.
100. The method of claim 99, further comprising:
upgrading one or more data transmissions to available channels having more favorable channel metrics.
upgrading one or more data transmissions to available channels having more favorable channel metrics.
101. The method of claim 100, wherein the upgrading includes selecting a data transmission having a highest priority;
selecting a channel, from a list of available channels, having a most favorable channel metrics; and reassigning the selected data transmission to the selected channel if the channel metrics associated with the selected channel is more favorable than the channel metrics associated with the original assigned channel.
selecting a channel, from a list of available channels, having a most favorable channel metrics; and reassigning the selected data transmission to the selected channel if the channel metrics associated with the selected channel is more favorable than the channel metrics associated with the original assigned channel.
102. A method for providing data transmissions on a plurality of channels to a plurality of receiver units in a communications system, the method comprising:
defining a plurality of back-off factors for the plurality of channels, wherein the back-off factors identify reduction from peak transmit power level for the respective channels;
assigning the data transmissions to the plurality of channels;
determining required transmit power levels for the data transmissions;
adjusting the plurality of back-off factors in accordance with the determined required transmit power levels; and transmitting the data transmissions on the plurality of channels in accordance with the plurality of adjusted back-off factors.
defining a plurality of back-off factors for the plurality of channels, wherein the back-off factors identify reduction from peak transmit power level for the respective channels;
assigning the data transmissions to the plurality of channels;
determining required transmit power levels for the data transmissions;
adjusting the plurality of back-off factors in accordance with the determined required transmit power levels; and transmitting the data transmissions on the plurality of channels in accordance with the plurality of adjusted back-off factors.
103. The method of claim 102, wherein the adjusting the plurality of back-off factors is performed prior to the transmitting.
104. The method of claim 102, further comprising:
measuring performance of one or more data transmissions; and adjusting transmit power levels for the one or more data transmissions based on the measured performance.
measuring performance of one or more data transmissions; and adjusting transmit power levels for the one or more data transmissions based on the measured performance.
105. The method of claim 102, wherein the assigning the data transmissions to the plurality of channels is performed based in part on priorities of the data transmissions.
106. The method of claim 102, further comprising;
computing channel metrics for the data transmissions based at least in part on the plurality of back-off factors, and wherein the assigning the data transmissions to the plurality of channels is performed based in part on the computed channel metrics.
computing channel metrics for the data transmissions based at least in part on the plurality of back-off factors, and wherein the assigning the data transmissions to the plurality of channels is performed based in part on the computed channel metrics.
107. The method of claim 102, further comprising;
prioritizing the data transmissions, and wherein the assigning the data transmissions to the plurality of channels is performed based m part on priorities of the data transmissions.
prioritizing the data transmissions, and wherein the assigning the data transmissions to the plurality of channels is performed based m part on priorities of the data transmissions.
108. The method of claim 107, wherein priorities of the data transmissions relate to achievable C/I.
109. The method of claim 107, wherein priorities of the data transmissions relate to realizable or actual cumulative throughput.
110. The method of claim 107, wherein data transmissions having higher priorities are considered earlier in the assigning.
111. The method of claim 107, further comprising;
upgrading priority of a particular data transmission based on one or more parameters.
upgrading priority of a particular data transmission based on one or more parameters.
112. The method of claim 102, wherein the back-off factors are defined in accordance with one or more one or more characteristics of the communications system.
113. A transmitter unit in a communications system comprising:
a system data processor operative to receive and partition an input data stream into a plurality of channel data streams and to process the plurality of channel data streams;
one or more modulators coupled to the system data processor and operative to receive and modulate the plurality of processed channel data streams to generate one or more modulated signals comprising a plurality of data transmissions to be transmitted on a plurality of channels to a plurality of receiver units, wherein each channel is associated with a respective back-off factor, ranging from zero to one, that identifies a reduction from peak transmit power level; and one or more antennas coupled to the one or more modulators and operative to receive and transmit the one or more modulated signals.
a system data processor operative to receive and partition an input data stream into a plurality of channel data streams and to process the plurality of channel data streams;
one or more modulators coupled to the system data processor and operative to receive and modulate the plurality of processed channel data streams to generate one or more modulated signals comprising a plurality of data transmissions to be transmitted on a plurality of channels to a plurality of receiver units, wherein each channel is associated with a respective back-off factor, ranging from zero to one, that identifies a reduction from peak transmit power level; and one or more antennas coupled to the one or more modulators and operative to receive and transmit the one or more modulated signals.
114. The transmitter unit of claim 113, wherein the back-off factors for the plurality of channels are determined based on C/I characterization or loading of the communications system.
115. The transmitter unit of claim 113, wherein the one or more modulators is operative to implement orthogonal frequency division multiplexing (OFDM) modulation.
116. A transmitter unit in a communications system comprising:
a resource allocation processor operative to receive data defining a reuse scheme to be used for data transmissions to a plurality of receiver units, wherein the defined reuse scheme identifies a particular reuse pattern, an initial allocation of available system resources, and a set of operating parameters;
a system data processor coupled to the resource allocation processor and operative to receive and partition an input data stream into a plurality of channel data streams and to process the plurality of channel data streams in accordance with the defined reuse scheme;
one or more modulators coupled to the system data processor and operative to receive and modulate the plurality of processed channel data streams to generate one or more modulated signals comprising the plurality of data transmissions to be transmitted on a plurality of channels to a plurality of receiver units; and one or more antennas coupled to the one or more modulators and operative to receive and transmit the one or more modulated signals.
a resource allocation processor operative to receive data defining a reuse scheme to be used for data transmissions to a plurality of receiver units, wherein the defined reuse scheme identifies a particular reuse pattern, an initial allocation of available system resources, and a set of operating parameters;
a system data processor coupled to the resource allocation processor and operative to receive and partition an input data stream into a plurality of channel data streams and to process the plurality of channel data streams in accordance with the defined reuse scheme;
one or more modulators coupled to the system data processor and operative to receive and modulate the plurality of processed channel data streams to generate one or more modulated signals comprising the plurality of data transmissions to be transmitted on a plurality of channels to a plurality of receiver units; and one or more antennas coupled to the one or more modulators and operative to receive and transmit the one or more modulated signals.
117. The transmitter unit of claim 116, wherein the resource allocation processor is further operative to evaluate performance of the communications system;
determine whether the evaluated system performance is within particular thresholds, and if the evaluated system performance is not within the particular thresholds, redefine the reuse scheme.
determine whether the evaluated system performance is within particular thresholds, and if the evaluated system performance is not within the particular thresholds, redefine the reuse scheme.
118. A transmitter unit in a communications system comprising:
a resource allocation processor operative to receive a first set of parameters to be used for scheduling data transmissions;
a system data processor coupled to the resource allocation processor and operative to receive and partition an input data stream into a plurality of channel data streams and to process the plurality of channel data streams in accordance with the first set of parameters, wherein the plurality of channel data streams are prioritized and assigned to a plurality of channels based at least in part on priorities of the data streams;
one or more modulators coupled to the system data processor and operative to receive and modulate the plurality of processed channel data streams in accordance with a second set of parameters to generate one or more modulated signals comprising a plurality of data transmissions to be transmitted on the plurality of channels to a plurality of receiver units, wherein the second set of parameters includes a set of back-off factors for the plurality of channels; and one or more antennas coupled to the one or more modulators and operative to receive and transmit the one or more modulated signals.
a resource allocation processor operative to receive a first set of parameters to be used for scheduling data transmissions;
a system data processor coupled to the resource allocation processor and operative to receive and partition an input data stream into a plurality of channel data streams and to process the plurality of channel data streams in accordance with the first set of parameters, wherein the plurality of channel data streams are prioritized and assigned to a plurality of channels based at least in part on priorities of the data streams;
one or more modulators coupled to the system data processor and operative to receive and modulate the plurality of processed channel data streams in accordance with a second set of parameters to generate one or more modulated signals comprising a plurality of data transmissions to be transmitted on the plurality of channels to a plurality of receiver units, wherein the second set of parameters includes a set of back-off factors for the plurality of channels; and one or more antennas coupled to the one or more modulators and operative to receive and transmit the one or more modulated signals.
119. A transmitter unit in a communications system comprising:
a system data processor operative to receive and partition an input data stream into a plurality of channel data streams, process the plurality of channel data streams, and assign the processed channel data streams to a plurality of channels;
one or more modulators coupled to the system data processor and operative to receive and modulate the plurality of processed channel data streams to generate one or more modulated signals comprising a plurality of data transmissions to be transmitted on the plurality of channels, determine transmit power levels for the plurality of data transmissions based at least in part on power constraints on the plurality of channels, and adjust power levels associated with the plurality of channels in accordance with the determined transmit power levels; and one or more antennas coupled to the one or more modulators and operative to receive and transmit the one or more modulated signals.
a system data processor operative to receive and partition an input data stream into a plurality of channel data streams, process the plurality of channel data streams, and assign the processed channel data streams to a plurality of channels;
one or more modulators coupled to the system data processor and operative to receive and modulate the plurality of processed channel data streams to generate one or more modulated signals comprising a plurality of data transmissions to be transmitted on the plurality of channels, determine transmit power levels for the plurality of data transmissions based at least in part on power constraints on the plurality of channels, and adjust power levels associated with the plurality of channels in accordance with the determined transmit power levels; and one or more antennas coupled to the one or more modulators and operative to receive and transmit the one or more modulated signals.
120. A receiver unit in a communications system comprising:
one or more antennas operative to receive one or more modulated signals that have been generated and transmitted by partitioning an input data stream into a plurality of channel data streams, processing and modulating the plurality of channel data streams to generate one or more modulated signals comprising a plurality of data transmissions to be transmitted on a plurality of channels, and adjusting power levels of the plurality of data transmissions in accordance with a set of back-off factors associated with the plurality of channels, wherein each back-off factor identifies a reduction from peak transmit power level;
one or more demodulators coupled to the one or more antennas and operative to receive and demodulate the one or more modulated signals to generate one or more demodulate symbol streams; and a data processor coupled to the one or more demodulators and operative to receive and process the one or more demodulate symbol streams to generate output data.
one or more antennas operative to receive one or more modulated signals that have been generated and transmitted by partitioning an input data stream into a plurality of channel data streams, processing and modulating the plurality of channel data streams to generate one or more modulated signals comprising a plurality of data transmissions to be transmitted on a plurality of channels, and adjusting power levels of the plurality of data transmissions in accordance with a set of back-off factors associated with the plurality of channels, wherein each back-off factor identifies a reduction from peak transmit power level;
one or more demodulators coupled to the one or more antennas and operative to receive and demodulate the one or more modulated signals to generate one or more demodulate symbol streams; and a data processor coupled to the one or more demodulators and operative to receive and process the one or more demodulate symbol streams to generate output data.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA2698363A CA2698363C (en) | 2000-03-30 | 2001-03-20 | Method and apparatus for controlling transmissions of a communications system |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/539,157 | 2000-03-30 | ||
US09/539,157 US6493331B1 (en) | 2000-03-30 | 2000-03-30 | Method and apparatus for controlling transmissions of a communications systems |
PCT/US2001/009325 WO2001076098A2 (en) | 2000-03-30 | 2001-03-20 | Method and apparatus for controlling transmissions of a communications system |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA2698363A Division CA2698363C (en) | 2000-03-30 | 2001-03-20 | Method and apparatus for controlling transmissions of a communications system |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2404055A1 true CA2404055A1 (en) | 2001-10-11 |
CA2404055C CA2404055C (en) | 2012-01-03 |
Family
ID=24150033
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA2404055A Expired - Lifetime CA2404055C (en) | 2000-03-30 | 2001-03-20 | A method of controlling transmission in a communications system using power back-off factors |
CA2698363A Expired - Fee Related CA2698363C (en) | 2000-03-30 | 2001-03-20 | Method and apparatus for controlling transmissions of a communications system |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA2698363A Expired - Fee Related CA2698363C (en) | 2000-03-30 | 2001-03-20 | Method and apparatus for controlling transmissions of a communications system |
Country Status (16)
Country | Link |
---|---|
US (2) | US6493331B1 (en) |
EP (6) | EP1901442B1 (en) |
JP (3) | JP4927288B2 (en) |
KR (2) | KR100916166B1 (en) |
CN (1) | CN1432221A (en) |
AU (2) | AU2001249379B2 (en) |
BR (1) | BR0109639A (en) |
CA (2) | CA2404055C (en) |
HK (3) | HK1119313A1 (en) |
IL (2) | IL151705A (en) |
MX (1) | MXPA02009418A (en) |
NO (3) | NO332501B1 (en) |
RU (1) | RU2264036C2 (en) |
TW (1) | TW512602B (en) |
UA (1) | UA73979C2 (en) |
WO (1) | WO2001076098A2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2005096532A1 (en) * | 2004-03-31 | 2005-10-13 | Nortel Networks Limited | Adaptive scheduling of voice traffic in a multi-carrier communication environment |
Families Citing this family (441)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6169789B1 (en) | 1996-12-16 | 2001-01-02 | Sanjay K. Rao | Intelligent keyboard system |
GB2332596B (en) * | 1997-12-17 | 2002-12-11 | Motorola Ltd | A method for predicting interference |
US6396817B2 (en) * | 1998-08-31 | 2002-05-28 | Qualcomm Incorporated | Signal splitting method for limiting peak power in a CDMA system |
US7952511B1 (en) | 1999-04-07 | 2011-05-31 | Geer James L | Method and apparatus for the detection of objects using electromagnetic wave attenuation patterns |
EP1190543A4 (en) * | 1999-06-01 | 2003-05-28 | Peter Monsen | Multiple access system and method for multibeam digital radio systems |
KR100313760B1 (en) * | 1999-11-10 | 2001-11-17 | 박종섭 | Dynamic channel allocation method of extension coverage base station in mobile communication system |
US7088671B1 (en) | 1999-11-24 | 2006-08-08 | Peter Monsen | Multiple access technique for downlink multibeam digital radio systems |
US6952454B1 (en) * | 2000-03-22 | 2005-10-04 | Qualcomm, Incorporated | Multiplexing of real time services and non-real time services for OFDM systems |
US6707798B1 (en) * | 2000-03-31 | 2004-03-16 | Ensemble Communications | Method and apparatus for reducing co-channel interference in a frame-synchronized wireless communication system |
US20010040877A1 (en) * | 2000-05-09 | 2001-11-15 | Motorola, Inc. | Method of dynamic transmit scheduling using channel quality feedback |
US6519462B1 (en) * | 2000-05-11 | 2003-02-11 | Lucent Technologies Inc. | Method and apparatus for multi-user resource management in wireless communication systems |
US8363744B2 (en) | 2001-06-10 | 2013-01-29 | Aloft Media, Llc | Method and system for robust, secure, and high-efficiency voice and packet transmission over ad-hoc, mesh, and MIMO communication networks |
KR100434459B1 (en) * | 2000-06-27 | 2004-06-05 | 삼성전자주식회사 | Method and apparatus for controlling transmission of data packet in mobile telecommunication system |
GB2364206B (en) * | 2000-06-30 | 2004-12-15 | Motorola Inc | Transmission procedures |
US7111163B1 (en) | 2000-07-10 | 2006-09-19 | Alterwan, Inc. | Wide area network using internet with quality of service |
KR100883942B1 (en) * | 2000-07-12 | 2009-02-18 | 퀄컴 인코포레이티드 | Multiplexing of real time services and non-real time services for ofdm systems |
US6996078B2 (en) | 2000-07-27 | 2006-02-07 | Interdigital Technology Corporation | Adaptive uplink/downlink timeslot assignment in a hybrid wireless time division multiple access/code division multiple access communication system |
EP1179932A1 (en) * | 2000-08-07 | 2002-02-13 | Telefonaktiebolaget L M Ericsson (Publ) | A method and device for transmitting two different categories of signals |
JP2002058063A (en) * | 2000-08-08 | 2002-02-22 | Hitachi Ltd | Cellular system and base station |
US7024200B2 (en) * | 2000-08-14 | 2006-04-04 | Vesuvius, Inc. | Communique system with active feedback for cellular communication networks |
US6954641B2 (en) * | 2000-08-14 | 2005-10-11 | Vesivius, Inc. | Communique wireless subscriber device for a cellular communication network |
US6907023B2 (en) | 2000-08-14 | 2005-06-14 | Vesuvius, Inc. | Communique system with dynamic bandwidth allocation in cellular communication networks |
US7424299B1 (en) * | 2000-09-11 | 2008-09-09 | Nokia Corporation | System and method for slot allocation with reduced need for measurement |
US7295509B2 (en) | 2000-09-13 | 2007-11-13 | Qualcomm, Incorporated | Signaling method in an OFDM multiple access system |
US9130810B2 (en) | 2000-09-13 | 2015-09-08 | Qualcomm Incorporated | OFDM communications methods and apparatus |
WO2002028020A2 (en) * | 2000-09-29 | 2002-04-04 | The Regents Of The University Of California | Ad hoc network accessing using distributed election of a shared transmission schedule |
EP1338125A2 (en) | 2000-11-03 | 2003-08-27 | AT & T Corp. | Tiered contention multiple access (tcma): a method for priority-based shared channel access |
US6879561B1 (en) * | 2000-11-03 | 2005-04-12 | Nortel Networks Limited | Method and system for wireless packet scheduling with per packet QoS support and link adaptation |
SE517721C2 (en) * | 2000-11-10 | 2002-07-09 | Ericsson Telefon Ab L M | Method of generating and maintaining the desired quality of service for data traffic in a communication system |
US8634481B1 (en) * | 2000-11-16 | 2014-01-21 | Alcatel Lucent | Feedback technique for wireless systems with multiple transmit and receive antennas |
JP3996344B2 (en) * | 2000-11-21 | 2007-10-24 | 日本電気株式会社 | Time scheduling method |
US6944175B2 (en) * | 2000-12-07 | 2005-09-13 | Nortel Networks Limited | Method and apparatus for scheduling forward link data transmissions in CDMA/HDR networks |
US6947748B2 (en) | 2000-12-15 | 2005-09-20 | Adaptix, Inc. | OFDMA with adaptive subcarrier-cluster configuration and selective loading |
WO2002049306A2 (en) * | 2000-12-15 | 2002-06-20 | Broadstorm Telecommunications, Inc. | Multi-carrier communications with group-based subcarrier allocation |
JP3443094B2 (en) * | 2000-12-27 | 2003-09-02 | 株式会社東芝 | Wireless communication method and wireless communication device |
US8009667B1 (en) | 2001-01-16 | 2011-08-30 | Wi—LAN, Inc. | Packing source data packets into transporting packets with fragmentation |
US7164669B2 (en) * | 2001-01-19 | 2007-01-16 | Adaptix, Inc. | Multi-carrier communication with time division multiplexing and carrier-selective loading |
GB0102316D0 (en) * | 2001-01-30 | 2001-03-14 | Koninkl Philips Electronics Nv | Radio communication system |
US7061891B1 (en) | 2001-02-02 | 2006-06-13 | Science Applications International Corporation | Method and system for a remote downlink transmitter for increasing the capacity and downlink capability of a multiple access interference limited spread-spectrum wireless network |
US7006483B2 (en) | 2001-02-23 | 2006-02-28 | Ipr Licensing, Inc. | Qualifying available reverse link coding rates from access channel power setting |
US6888805B2 (en) * | 2001-03-23 | 2005-05-03 | Qualcomm Incorporated | Time multiplexed transmission scheme for a spread spectrum communication system |
US20020136282A1 (en) * | 2001-03-26 | 2002-09-26 | Quang Nguyen | Optimum UMTS modem |
US7209515B2 (en) | 2001-03-30 | 2007-04-24 | Science Applications International Corporation | Multistage reception of code division multiple access transmissions |
US7227850B2 (en) * | 2001-04-04 | 2007-06-05 | Telefonaktiebolaget Lm Ericsson (Publ) | Cellular radio communication system with frequency reuse |
GB0110125D0 (en) * | 2001-04-25 | 2001-06-20 | Koninkl Philips Electronics Nv | Radio communication system |
US7042856B2 (en) * | 2001-05-03 | 2006-05-09 | Qualcomm, Incorporation | Method and apparatus for controlling uplink transmissions of a wireless communication system |
US7058637B2 (en) | 2001-05-15 | 2006-06-06 | Metatomix, Inc. | Methods and apparatus for enterprise application integration |
US6856992B2 (en) | 2001-05-15 | 2005-02-15 | Metatomix, Inc. | Methods and apparatus for real-time business visibility using persistent schema-less data storage |
US6925457B2 (en) | 2001-07-27 | 2005-08-02 | Metatomix, Inc. | Methods and apparatus for querying a relational data store using schema-less queries |
US6662024B2 (en) | 2001-05-16 | 2003-12-09 | Qualcomm Incorporated | Method and apparatus for allocating downlink resources in a multiple-input multiple-output (MIMO) communication system |
KR20040003052A (en) * | 2001-06-05 | 2004-01-07 | 노오텔 네트웍스 리미티드 | Multiple threshold scheduler for scheduling transmission of data packets to mobile terminals based on a relative throughput spread |
US20020183010A1 (en) * | 2001-06-05 | 2002-12-05 | Catreux Severine E. | Wireless communication systems with adaptive channelization and link adaptation |
US7136361B2 (en) * | 2001-07-05 | 2006-11-14 | At&T Corp. | Hybrid coordination function (HCF) access through tiered contention and overlapped wireless cell mitigation |
US7277413B2 (en) | 2001-07-05 | 2007-10-02 | At & T Corp. | Hybrid coordination function (HCF) access through tiered contention and overlapped wireless cell mitigation |
JP2003046437A (en) * | 2001-07-31 | 2003-02-14 | Ntt Docomo Inc | Mobile communication system, base station device, and control method for the mobile communication system |
US6591109B2 (en) | 2001-08-17 | 2003-07-08 | Interdigital Technology Corporation | Cross cell user equipment interference reduction in a time division duplex communication system using code division multiple access |
EP1289219A1 (en) * | 2001-08-28 | 2003-03-05 | Lucent Technologies Inc. | A method of scheduling data packets for transmission over a shared channel, and a terminal of data packet transmission network |
US7113778B2 (en) * | 2001-09-14 | 2006-09-26 | Atc Technologies, Llc | Aggregate radiated power control for multi-band/multi-mode satellite radiotelephone communications systems and methods |
US7006461B2 (en) | 2001-09-17 | 2006-02-28 | Science Applications International Corporation | Method and system for a channel selective repeater with capacity enhancement in a spread-spectrum wireless network |
US7548506B2 (en) * | 2001-10-17 | 2009-06-16 | Nortel Networks Limited | System access and synchronization methods for MIMO OFDM communications systems and physical layer packet and preamble design |
US6747994B2 (en) * | 2001-10-17 | 2004-06-08 | Qualcomm, Incorporated | Selecting optimal transmit formats for transmissions over allocated time durations |
US20040004945A1 (en) * | 2001-10-22 | 2004-01-08 | Peter Monsen | Multiple access network and method for digital radio systems |
US7248600B2 (en) * | 2001-11-02 | 2007-07-24 | At&T Corp. | ‘Shield’: protecting high priority channel access attempts in overlapped wireless cells |
US7277415B2 (en) * | 2001-11-02 | 2007-10-02 | At&T Corp. | Staggered startup for cyclic prioritized multiple access (CPMA) contention-free sessions |
US7245604B2 (en) | 2001-11-02 | 2007-07-17 | At&T Corp. | Fixed deterministic post-backoff for cyclic prioritized multiple access (CPMA) contention-free sessions |
US7180905B2 (en) * | 2001-11-02 | 2007-02-20 | At & T Corp. | Access method for periodic contention-free sessions |
US7280517B2 (en) * | 2001-11-02 | 2007-10-09 | At&T Corp. | Wireless LANs and neighborhood capture |
US7245605B2 (en) | 2001-11-02 | 2007-07-17 | At&T Corp. | Preemptive packet for maintaining contiguity in cyclic prioritized multiple access (CPMA) contention-free sessions |
US20030125040A1 (en) * | 2001-11-06 | 2003-07-03 | Walton Jay R. | Multiple-access multiple-input multiple-output (MIMO) communication system |
US20030166404A1 (en) * | 2001-11-15 | 2003-09-04 | Chuang Justin Che-I | Progressive reuse partitioning for improved interference rejection in wireless packet networks |
SE524688C2 (en) * | 2001-12-06 | 2004-09-14 | Ericsson Telefon Ab L M | Method and devices for allocating channel to a mobile station in a radio communication system |
US6754169B2 (en) * | 2001-12-13 | 2004-06-22 | Motorola, Inc. | Method and system of operation for a variable transmission mode multi-carrier communication system |
US20030135632A1 (en) * | 2001-12-13 | 2003-07-17 | Sophie Vrzic | Priority scheduler |
US7020110B2 (en) * | 2002-01-08 | 2006-03-28 | Qualcomm Incorporated | Resource allocation for MIMO-OFDM communication systems |
US20030127950A1 (en) * | 2002-01-10 | 2003-07-10 | Cheng-Hui Tseng | Mail opening bag for preventing infection of bacteria-by-mail |
US20030177047A1 (en) * | 2002-02-04 | 2003-09-18 | Buckley Michael E. | Method and system for decision oriented systems engineering |
US7042858B1 (en) | 2002-03-22 | 2006-05-09 | Jianglei Ma | Soft handoff for OFDM |
JP2003299149A (en) * | 2002-03-29 | 2003-10-17 | Fujitsu Ltd | Wireless incoming call distributing device, and mobile call center system |
JP3943980B2 (en) * | 2002-04-09 | 2007-07-11 | 富士通株式会社 | Code division multiple access communication system, and base station controller and base station in code division multiple access communication system |
US7876726B2 (en) * | 2002-04-29 | 2011-01-25 | Texas Instruments Incorporated | Adaptive allocation of communications link channels to I- or Q-subchannel |
US6973579B2 (en) | 2002-05-07 | 2005-12-06 | Interdigital Technology Corporation | Generation of user equipment identification specific scrambling code for the high speed shared control channel |
US7158635B2 (en) * | 2002-05-07 | 2007-01-02 | Interdigital Technology Corporation | Generation of user equipment identification specific scrambling code for the high speed shared control channel |
TWI303524B (en) * | 2002-05-10 | 2008-11-21 | Interdigital Tech Corp | System and method for prioritization of retransmission of protocol data units to assist radio-link-control retransmission |
JP4074781B2 (en) * | 2002-05-23 | 2008-04-09 | 株式会社エヌ・ティ・ティ・ドコモ | Base station, transmission power control method, and mobile communication system |
US6704286B2 (en) * | 2002-05-28 | 2004-03-09 | Interdigital Technology Corporation | Modeling of hybrid time-code division multiple access communication systems |
WO2003105370A1 (en) * | 2002-06-07 | 2003-12-18 | Nokia Corporation | Apparatus and an associated method, by which to facilitate scheduling of data communications ina radio communications system |
US7948951B2 (en) | 2002-06-12 | 2011-05-24 | Xocyst Transfer Ag L.L.C. | Automatic peer discovery |
US8787988B2 (en) | 2003-01-29 | 2014-07-22 | Intellectual Ventures I Llc | Power management for wireless direct link |
USRE43127E1 (en) | 2002-06-12 | 2012-01-24 | Intellectual Ventures I Llc | Event-based multichannel direct link |
US8050360B2 (en) * | 2002-06-12 | 2011-11-01 | Intellectual Ventures I Llc | Direct link relay in a wireless network |
US7933293B2 (en) * | 2002-06-12 | 2011-04-26 | Xocyst Transfer Ag L.L.C. | Link margin notification using return frame |
US8498234B2 (en) | 2002-06-21 | 2013-07-30 | Qualcomm Incorporated | Wireless local area network repeater |
US7366200B2 (en) * | 2002-08-26 | 2008-04-29 | Qualcomm Incorporated | Beacon signaling in a wireless system |
US7388845B2 (en) * | 2002-08-26 | 2008-06-17 | Qualcomm Incorporated | Multiple access wireless communications system using a multisector configuration |
US7231425B1 (en) * | 2002-09-13 | 2007-06-12 | Cisco Technology, Inc. | Rate-based scheduling method and system |
US7307961B2 (en) * | 2002-09-25 | 2007-12-11 | At&T Knowledge Ventures, L.P. | Traffic modeling for packet data communications system dimensioning |
US7876837B2 (en) * | 2002-09-30 | 2011-01-25 | Motorola Mobility, Inc. | Method for reducing access noise in a spread spectrum communication system |
US8885688B2 (en) | 2002-10-01 | 2014-11-11 | Qualcomm Incorporated | Control message management in physical layer repeater |
NO319065B1 (en) * | 2002-10-11 | 2005-06-13 | Telenor Asa | Open access network architecture |
US7986742B2 (en) | 2002-10-25 | 2011-07-26 | Qualcomm Incorporated | Pilots for MIMO communication system |
US8320301B2 (en) * | 2002-10-25 | 2012-11-27 | Qualcomm Incorporated | MIMO WLAN system |
US7411961B2 (en) * | 2002-11-18 | 2008-08-12 | Samsung Electronics Co., Ltd. | Apparatus and method for scheduling forward channel transmissions in a wireless network base station |
MY151625A (en) | 2002-11-26 | 2014-06-30 | Interdigital Tech Corp | Outer loop power control for wireless communication systems |
US20040203383A1 (en) * | 2002-12-31 | 2004-10-14 | Kelton James Robert | System for providing data to multiple devices and method thereof |
WO2004060001A1 (en) * | 2002-12-31 | 2004-07-15 | Motorola Inc | A communication system and method of interference reduction therefor |
US7058367B1 (en) | 2003-01-31 | 2006-06-06 | At&T Corp. | Rate-adaptive methods for communicating over multiple input/multiple output wireless systems |
US20040176097A1 (en) * | 2003-02-06 | 2004-09-09 | Fiona Wilson | Allocation of sub channels of MIMO channels of a wireless network |
US8422434B2 (en) * | 2003-02-18 | 2013-04-16 | Qualcomm Incorporated | Peak-to-average power ratio management for multi-carrier modulation in wireless communication systems |
DE602004004084T2 (en) * | 2003-02-19 | 2007-06-06 | Fujitsu Ltd., Kawasaki | EXIT CONTROL FOR PACKAGES |
US7116982B2 (en) * | 2003-02-28 | 2006-10-03 | Lucent Technologies Inc. | Methods and systems for assigning channels in a power controlled time slotted wireless communications system |
CN100579060C (en) * | 2003-03-17 | 2010-01-06 | 高通股份有限公司 | Method and device for controlling admission in communication system supporting IP application program |
GB0308137D0 (en) | 2003-04-09 | 2003-05-14 | Ibm | Method and apparatus for data logging |
GB0308121D0 (en) * | 2003-04-09 | 2003-05-14 | Ibm | Method and apparatus for data logging |
US7349338B2 (en) * | 2003-04-15 | 2008-03-25 | Lucent Technologies Inc | Scheduler and method for scheduling transmissions in a communication network |
JP4077355B2 (en) * | 2003-04-16 | 2008-04-16 | 三菱電機株式会社 | Communication apparatus and communication method |
US20070077929A1 (en) * | 2003-04-25 | 2007-04-05 | Utstarcom (China) Co., Ltd. | Method for implementing macro-diversity management by using intelligent vbs |
JP2004328652A (en) * | 2003-04-28 | 2004-11-18 | Toshiba Corp | Radio communication apparatus, and method for controlling radio communication |
KR100585713B1 (en) * | 2003-05-20 | 2006-06-07 | 엘지전자 주식회사 | Method for forward scheduling of hdr system |
US7302278B2 (en) * | 2003-07-03 | 2007-11-27 | Rotani, Inc. | Method and apparatus for high throughput multiple radio sectorized wireless cell |
US6999467B2 (en) * | 2003-07-28 | 2006-02-14 | Motorola, Inc. | Method and apparatus for transmission and reception within an OFDM communication system |
US7554954B2 (en) * | 2003-08-12 | 2009-06-30 | Telefonaktiebolaget Lm Ericsson (Publ) | Per user rate control for the reverse link in CDMA networks |
US20050041673A1 (en) * | 2003-08-20 | 2005-02-24 | Frances Jiang | Method of managing wireless network resources to gateway devices |
KR100566210B1 (en) * | 2003-09-22 | 2006-03-29 | 삼성전자주식회사 | Apparatus and method for allocating channel in a wireless communication system |
US8149766B2 (en) * | 2003-10-03 | 2012-04-03 | Qualcomm Incorporated | Method of downlink resource allocation in a sectorized environment |
US7230942B2 (en) * | 2003-10-03 | 2007-06-12 | Qualcomm, Incorporated | Method of downlink resource allocation in a sectorized environment |
US8483105B2 (en) | 2003-10-15 | 2013-07-09 | Qualcomm Incorporated | High speed media access control |
US8233462B2 (en) | 2003-10-15 | 2012-07-31 | Qualcomm Incorporated | High speed media access control and direct link protocol |
US8842657B2 (en) | 2003-10-15 | 2014-09-23 | Qualcomm Incorporated | High speed media access control with legacy system interoperability |
US7570615B2 (en) * | 2003-10-20 | 2009-08-04 | Telefonaktiebolaget Lm Ericsson (Publ) | Resource-sharing cells |
US9585023B2 (en) | 2003-10-30 | 2017-02-28 | Qualcomm Incorporated | Layered reuse for a wireless communication system |
US8526963B2 (en) | 2003-10-30 | 2013-09-03 | Qualcomm Incorporated | Restrictive reuse for a wireless communication system |
US7801071B2 (en) * | 2003-10-30 | 2010-09-21 | Alcatel-Lucent Usa Inc. | System and method for providing multi-beam scheduling |
US7616698B2 (en) | 2003-11-04 | 2009-11-10 | Atheros Communications, Inc. | Multiple-input multiple output system and method |
KR100575434B1 (en) | 2003-11-19 | 2006-05-03 | 한국전자통신연구원 | Method for resource space partition and a physical channel assignment in cellular based on ofdma |
US9473269B2 (en) | 2003-12-01 | 2016-10-18 | Qualcomm Incorporated | Method and apparatus for providing an efficient control channel structure in a wireless communication system |
US7356341B2 (en) | 2003-12-04 | 2008-04-08 | Qualcomm, Incorporated | Scheduling communications in a wireless network |
US8204149B2 (en) | 2003-12-17 | 2012-06-19 | Qualcomm Incorporated | Spatial spreading in a multi-antenna communication system |
US7336746B2 (en) | 2004-12-09 | 2008-02-26 | Qualcomm Incorporated | Data transmission with spatial spreading in a MIMO communication system |
US20050163194A1 (en) * | 2004-01-28 | 2005-07-28 | Qualcomm Incorporated | Interference estimation in a wireless communication system |
KR100959123B1 (en) * | 2004-02-11 | 2010-05-25 | 삼성전자주식회사 | Wireless communication method |
US8169889B2 (en) | 2004-02-18 | 2012-05-01 | Qualcomm Incorporated | Transmit diversity and spatial spreading for an OFDM-based multi-antenna communication system |
ES2311804T3 (en) * | 2004-02-27 | 2009-02-16 | Telecom Italia S.P.A. | SELECTION OF A PLACE FOR A RADIO STATION IN A TELECOMMUNICATIONS NETWORK. |
US7668561B2 (en) | 2004-02-27 | 2010-02-23 | Qualcomm Incorporated | Apparatus and method for controlling reverse link interference among access terminals in wireless communications |
US8243633B2 (en) | 2004-03-16 | 2012-08-14 | Nokia Corporation | Enhanced uplink dedicated channel—application protocol over lub/lur |
US7769407B2 (en) * | 2004-04-30 | 2010-08-03 | Nokia Corporation | System, apparatus, computer program product and method for controlling terminal output power |
US8089911B2 (en) | 2004-05-01 | 2012-01-03 | Neocific, Inc. | Methods and apparatus for cellular broadcasting and communication system |
EP1594330A1 (en) * | 2004-05-04 | 2005-11-09 | Alcatel | Methods for terminal assisted coordinated radio serving and interference avoidance in OFDM mobile communication system |
ES2298696T3 (en) * | 2004-05-04 | 2008-05-16 | Alcatel Lucent | METHOD OF COORDINATION OF INTER-CELL INTERFERENCE WITH POWER PLANNING IN A OFDM MOBILE COMMUNICATION SYSTEM. |
MXPA06012747A (en) | 2004-05-05 | 2007-02-19 | Qualcomm Inc | Method and apparatus for adaptive delay management in a wireless communication system. |
US8331377B2 (en) * | 2004-05-05 | 2012-12-11 | Qualcomm Incorporated | Distributed forward link schedulers for multi-carrier communication systems |
US8285226B2 (en) | 2004-05-07 | 2012-10-09 | Qualcomm Incorporated | Steering diversity for an OFDM-based multi-antenna communication system |
US8923785B2 (en) | 2004-05-07 | 2014-12-30 | Qualcomm Incorporated | Continuous beamforming for a MIMO-OFDM system |
US8085831B2 (en) * | 2004-05-17 | 2011-12-27 | Qualcomm Incorporated | Interference control via selective blanking/attenuation of interfering transmissions |
KR100678184B1 (en) * | 2004-05-19 | 2007-02-02 | 삼성전자주식회사 | Method and?apparatus?for scheduling of enhanced uplink dedicated channel in a mobile telecommunication system |
US8125946B2 (en) * | 2004-05-21 | 2012-02-28 | Samsung Electronics Co., Ltd. | Wireless network and mobile stations for implementing variable bandwidth service on demand |
US7839820B2 (en) * | 2004-05-21 | 2010-11-23 | Samsung Electronics Co., Ltd. | Mobile station and method for implementing variable bandwidth service on demand |
US7623885B2 (en) * | 2004-05-24 | 2009-11-24 | Nokia Corporation | System, apparatus, computer program product and method for controlling terminal output power |
US7665063B1 (en) | 2004-05-26 | 2010-02-16 | Pegasystems, Inc. | Integration of declarative rule-based processing with procedural programming |
US8059589B2 (en) * | 2004-06-09 | 2011-11-15 | Qualcomm Incorporated | Dynamic restrictive reuse scheduler |
US7680475B2 (en) * | 2004-06-09 | 2010-03-16 | Qualcomm Incorporated | Dynamic ASBR scheduler |
KR100810900B1 (en) * | 2004-06-09 | 2008-03-10 | 콸콤 인코포레이티드 | Dynamic restrictive reuse scheduler |
US7594151B2 (en) * | 2004-06-18 | 2009-09-22 | Qualcomm, Incorporated | Reverse link power control in an orthogonal system |
US7197692B2 (en) * | 2004-06-18 | 2007-03-27 | Qualcomm Incorporated | Robust erasure detection and erasure-rate-based closed loop power control |
US8452316B2 (en) * | 2004-06-18 | 2013-05-28 | Qualcomm Incorporated | Power control for a wireless communication system utilizing orthogonal multiplexing |
ATE442022T1 (en) * | 2004-07-13 | 2009-09-15 | Alcatel Lucent | METHOD FOR TERMINAL-SUPPORTED INTERFERENCE CONTROL IN A MULTI-CARRIER MOBILE COMMUNICATIONS SYSTEM |
US7978649B2 (en) | 2004-07-15 | 2011-07-12 | Qualcomm, Incorporated | Unified MIMO transmission and reception |
US9148256B2 (en) | 2004-07-21 | 2015-09-29 | Qualcomm Incorporated | Performance based rank prediction for MIMO design |
US9137822B2 (en) | 2004-07-21 | 2015-09-15 | Qualcomm Incorporated | Efficient signaling over access channel |
US8032145B2 (en) * | 2004-07-23 | 2011-10-04 | Qualcomm Incorporated | Restrictive reuse set management algorithm for equal grade of service on FL transmission |
US7257406B2 (en) * | 2004-07-23 | 2007-08-14 | Qualcomm, Incorporated | Restrictive reuse set management |
TWI517638B (en) | 2004-08-12 | 2016-01-11 | 內數位科技公司 | Method and apparatus for implementing space frequency block coding in an orthogonal frequency division multiplexing wireless communication system |
US7299070B2 (en) * | 2004-08-13 | 2007-11-20 | Broadcom Corporation | Dynamic MIMO resource allocation during a single communication |
US7440777B2 (en) | 2004-08-13 | 2008-10-21 | Broadcom Corporation | Multi-transceiver system with MIMO and beam-forming capability |
US7711374B2 (en) * | 2004-08-13 | 2010-05-04 | Broadcom Corporation | Dynamic reconfiguration of communication resources in a multi-transceiver configuration |
CA2576720A1 (en) * | 2004-08-31 | 2006-03-09 | At&T Corp. | Method and system for assigning channels in a wireless lan |
US8280425B2 (en) * | 2004-09-16 | 2012-10-02 | Motorola Mobility Llc | Wireless transmitter configuration |
US7254399B2 (en) * | 2004-10-12 | 2007-08-07 | Nokia Corporation | Techniques for interference reduction in wireless communications networks |
CN101076958A (en) * | 2004-10-19 | 2007-11-21 | 夏普株式会社 | Base station apparatus, wireless communication system, and wireless transmission method |
US7573851B2 (en) | 2004-12-07 | 2009-08-11 | Adaptix, Inc. | Method and system for switching antenna and channel assignments in broadband wireless networks |
US7406053B2 (en) * | 2004-12-13 | 2008-07-29 | Hewlett-Packard Development Company, L.P. | Methods and systems for controlling the number of computations involved in computing the allocation of resources given resource constraints |
US7548752B2 (en) * | 2004-12-22 | 2009-06-16 | Qualcomm Incorporated | Feedback to support restrictive reuse |
JP2006186757A (en) * | 2004-12-28 | 2006-07-13 | Nec Corp | Method and apparatus for controlling transmission power in radio communication system |
US7835264B2 (en) * | 2004-12-29 | 2010-11-16 | Mitsubishi Denki Kabushiki Kaisha | Interleaver, deinterleaver, communication device, and method for interleaving and deinterleaving |
EP1839455A1 (en) * | 2005-01-20 | 2007-10-03 | Nokia Corporation | Supporting an allocation of radio resources |
US8335704B2 (en) | 2005-01-28 | 2012-12-18 | Pegasystems Inc. | Methods and apparatus for work management and routing |
CA2886341C (en) * | 2005-02-04 | 2015-12-22 | Kabushiki Kaisha Toshiba | Optimal channel assignment for multi-class, multi-channel wireless lans and the like |
US7756490B2 (en) * | 2005-03-08 | 2010-07-13 | Atc Technologies, Llc | Methods, radioterminals, and ancillary terrestrial components for communicating using spectrum allocated to another satellite operator |
US9246560B2 (en) | 2005-03-10 | 2016-01-26 | Qualcomm Incorporated | Systems and methods for beamforming and rate control in a multi-input multi-output communication systems |
US9154211B2 (en) | 2005-03-11 | 2015-10-06 | Qualcomm Incorporated | Systems and methods for beamforming feedback in multi antenna communication systems |
US8848574B2 (en) * | 2005-03-15 | 2014-09-30 | Qualcomm Incorporated | Interference control in a wireless communication system |
US8942639B2 (en) * | 2005-03-15 | 2015-01-27 | Qualcomm Incorporated | Interference control in a wireless communication system |
UA101826C2 (en) * | 2005-03-15 | 2013-05-13 | Квелкомм Инкорпорейтед | Interference managenent in wireless communication system |
US8446892B2 (en) | 2005-03-16 | 2013-05-21 | Qualcomm Incorporated | Channel structures for a quasi-orthogonal multiple-access communication system |
US9461859B2 (en) | 2005-03-17 | 2016-10-04 | Qualcomm Incorporated | Pilot signal transmission for an orthogonal frequency division wireless communication system |
US9520972B2 (en) | 2005-03-17 | 2016-12-13 | Qualcomm Incorporated | Pilot signal transmission for an orthogonal frequency division wireless communication system |
US9143305B2 (en) | 2005-03-17 | 2015-09-22 | Qualcomm Incorporated | Pilot signal transmission for an orthogonal frequency division wireless communication system |
KR100922959B1 (en) | 2005-03-29 | 2009-10-22 | 삼성전자주식회사 | Apparatus and method for scheduling resource in a multi antena system |
US9184870B2 (en) | 2005-04-01 | 2015-11-10 | Qualcomm Incorporated | Systems and methods for control channel signaling |
US7974193B2 (en) | 2005-04-08 | 2011-07-05 | Qualcomm Incorporated | Methods and systems for resizing multimedia content based on quality and rate information |
US7653085B2 (en) * | 2005-04-08 | 2010-01-26 | Qualcomm Incorporated | Methods and apparatus for enhanced delivery of content over data network |
JP4826122B2 (en) * | 2005-04-14 | 2011-11-30 | 日本電気株式会社 | Received power measurement method for CDMA mobile communication system and CDMA mobile communication system |
EP1871030B1 (en) * | 2005-04-15 | 2012-12-19 | NTT DoCoMo, Inc. | Packet transmission control device, and packet transmission control method |
US9036538B2 (en) | 2005-04-19 | 2015-05-19 | Qualcomm Incorporated | Frequency hopping design for single carrier FDMA systems |
US9408220B2 (en) | 2005-04-19 | 2016-08-02 | Qualcomm Incorporated | Channel quality reporting for adaptive sectorization |
US7634277B2 (en) * | 2005-04-28 | 2009-12-15 | Cisco Technology, Inc. | Method for allocating channel resources for improving frequency utilization efficiency of wireless communication systems |
CN1859054B (en) * | 2005-04-30 | 2011-05-11 | 华为技术有限公司 | Method for realizing time soft multiple use in radio communication system |
FI20055211A0 (en) * | 2005-05-06 | 2005-05-06 | Nokia Corp | Radio resource management in FDMA |
US8879511B2 (en) | 2005-10-27 | 2014-11-04 | Qualcomm Incorporated | Assignment acknowledgement for a wireless communication system |
US8565194B2 (en) | 2005-10-27 | 2013-10-22 | Qualcomm Incorporated | Puncturing signaling channel for a wireless communication system |
US8611284B2 (en) | 2005-05-31 | 2013-12-17 | Qualcomm Incorporated | Use of supplemental assignments to decrement resources |
US8462859B2 (en) | 2005-06-01 | 2013-06-11 | Qualcomm Incorporated | Sphere decoding apparatus |
US8599945B2 (en) | 2005-06-16 | 2013-12-03 | Qualcomm Incorporated | Robust rank prediction for a MIMO system |
US9179319B2 (en) | 2005-06-16 | 2015-11-03 | Qualcomm Incorporated | Adaptive sectorization in cellular systems |
US8885628B2 (en) | 2005-08-08 | 2014-11-11 | Qualcomm Incorporated | Code division multiplexing in a single-carrier frequency division multiple access system |
US9209956B2 (en) | 2005-08-22 | 2015-12-08 | Qualcomm Incorporated | Segment sensitive scheduling |
US20070041457A1 (en) | 2005-08-22 | 2007-02-22 | Tamer Kadous | Method and apparatus for providing antenna diversity in a wireless communication system |
US7738422B2 (en) * | 2005-08-23 | 2010-06-15 | Alcatel-Lucent Usa Inc. | Interference-reducing method of forward link scheduling for wireless networks |
US8644292B2 (en) | 2005-08-24 | 2014-02-04 | Qualcomm Incorporated | Varied transmission time intervals for wireless communication system |
US9136974B2 (en) | 2005-08-30 | 2015-09-15 | Qualcomm Incorporated | Precoding and SDMA support |
WO2007029965A1 (en) * | 2005-09-06 | 2007-03-15 | Electronics And Telecommunications Research Institute | Method for resource partition, assignment, transmission and reception for inter-cell interference migration in downlink of ofdm cellular systems |
US7542421B2 (en) * | 2005-09-09 | 2009-06-02 | Tropos Networks | Adaptive control of transmission power and data rates of transmission links between access nodes of a mesh network |
US7756548B2 (en) | 2005-09-19 | 2010-07-13 | Qualcomm Incorporated | Methods and apparatus for use in a wireless communications system that uses a multi-mode base station |
US7567791B2 (en) * | 2005-09-19 | 2009-07-28 | Qualcomm Incorporated | Wireless terminal methods and apparatus for use in a wireless communications system that uses a multi-mode base station |
US7616610B2 (en) * | 2005-10-04 | 2009-11-10 | Motorola, Inc. | Scheduling in wireless communication systems |
US8391254B2 (en) * | 2005-10-06 | 2013-03-05 | Samsung Electronics Co., Ltd | Channel configuration and bandwidth allocation in multi-hop cellular communication networks |
DE102005051275A1 (en) * | 2005-10-26 | 2007-05-03 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Information signals transmitting device for satellite system, has orthogonal frequency-division multiplexing control stage allocating different groups of carriers, which are emitted by spatial emitters, with different information |
US9210651B2 (en) | 2005-10-27 | 2015-12-08 | Qualcomm Incorporated | Method and apparatus for bootstraping information in a communication system |
US8477684B2 (en) | 2005-10-27 | 2013-07-02 | Qualcomm Incorporated | Acknowledgement of control messages in a wireless communication system |
US9225488B2 (en) | 2005-10-27 | 2015-12-29 | Qualcomm Incorporated | Shared signaling channel |
US8045512B2 (en) | 2005-10-27 | 2011-10-25 | Qualcomm Incorporated | Scalable frequency band operation in wireless communication systems |
US9225416B2 (en) | 2005-10-27 | 2015-12-29 | Qualcomm Incorporated | Varied signaling channels for a reverse link in a wireless communication system |
US9172453B2 (en) | 2005-10-27 | 2015-10-27 | Qualcomm Incorporated | Method and apparatus for pre-coding frequency division duplexing system |
WO2007050926A2 (en) | 2005-10-27 | 2007-05-03 | Qualcomm Incorporated | Method and apparatus for estimating reverse link loading in a wireless communication system |
US8693405B2 (en) | 2005-10-27 | 2014-04-08 | Qualcomm Incorporated | SDMA resource management |
US9088384B2 (en) | 2005-10-27 | 2015-07-21 | Qualcomm Incorporated | Pilot symbol transmission in wireless communication systems |
US9144060B2 (en) | 2005-10-27 | 2015-09-22 | Qualcomm Incorporated | Resource allocation for shared signaling channels |
US8582509B2 (en) | 2005-10-27 | 2013-11-12 | Qualcomm Incorporated | Scalable frequency band operation in wireless communication systems |
US20070111681A1 (en) * | 2005-11-14 | 2007-05-17 | Alberth William P Jr | Transmit power allocation in wireless communication devices |
US8582548B2 (en) | 2005-11-18 | 2013-11-12 | Qualcomm Incorporated | Frequency division multiple access schemes for wireless communication |
US7684806B2 (en) * | 2005-11-21 | 2010-03-23 | Intel Corporation | Device, system and method of point to multipoint communication |
US7586990B2 (en) * | 2005-11-22 | 2009-09-08 | Motorola, Inc. | Method and system for allocating subcarriers to subscriber devices |
US7908396B2 (en) * | 2005-11-30 | 2011-03-15 | Motorola Mobility, Inc. | Method and system for scheduling requests in a non-first in first out (FIFO) order in a network |
US8107549B2 (en) | 2005-11-30 | 2012-01-31 | Qualcomm, Incorporated | Multi-stage receiver for wireless communication |
CN101341769B (en) * | 2005-12-20 | 2012-01-25 | 艾利森电话股份有限公司 | Resource scheduling in cellular system |
US8514771B2 (en) * | 2005-12-22 | 2013-08-20 | Qualcomm Incorporated | Methods and apparatus for communicating and/or using transmission power information |
US8284715B2 (en) * | 2005-12-22 | 2012-10-09 | Wichorus, Inc. | Method and apparatus for network wide adaptive resource allocation for OFDMA/TDMA networks |
US9338767B2 (en) | 2005-12-22 | 2016-05-10 | Qualcomm Incorporated | Methods and apparatus of implementing and/or using a dedicated control channel |
US9125092B2 (en) | 2005-12-22 | 2015-09-01 | Qualcomm Incorporated | Methods and apparatus for reporting and/or using control information |
US20070149132A1 (en) | 2005-12-22 | 2007-06-28 | Junyl Li | Methods and apparatus related to selecting control channel reporting formats |
WO2007074376A2 (en) * | 2005-12-27 | 2007-07-05 | Nokia Corporation | Priority based transmission based on channel quality using power sequencing |
US8811369B2 (en) | 2006-01-11 | 2014-08-19 | Qualcomm Incorporated | Methods and apparatus for supporting multiple communications modes of operation |
EP1992114B1 (en) | 2006-01-11 | 2012-11-07 | QUALCOMM Incorporated | Method and apparatus for sharing bandwidth between a wide area network and local area peer-to-peer network |
BRPI0706606B1 (en) | 2006-01-13 | 2020-02-04 | Qualcomm Inc | method and device for wireless communication, computer readable memory and processor |
EP2793410B1 (en) | 2006-01-18 | 2015-12-09 | Ntt Docomo, Inc. | Base station, communication terminal, transmission method and reception method |
KR100891818B1 (en) * | 2006-01-27 | 2009-04-07 | 삼성전자주식회사 | Hybrid multiple access apparatus and method in a mobile communication system |
US20070201388A1 (en) * | 2006-01-31 | 2007-08-30 | Qualcomm Incorporated | Methods and systems for resizing multimedia content based on quality and rate information |
US8582905B2 (en) | 2006-01-31 | 2013-11-12 | Qualcomm Incorporated | Methods and systems for rate control within an encoding device |
US8260340B2 (en) * | 2006-02-17 | 2012-09-04 | Alcatel Lucent | Methods of reverse link power control |
EP2475106A1 (en) | 2006-02-28 | 2012-07-11 | Rotani Inc. | Methods and apparatus for overlapping mimo antenna physical sectors |
US8243677B2 (en) | 2006-03-13 | 2012-08-14 | Intel Corporation | Scheduler and method for allocating time and frequency dimensions of downlink bursts in broadband wireless access networks |
WO2007108636A1 (en) * | 2006-03-20 | 2007-09-27 | Samsung Electronics Co., Ltd. | Method and apparatus for allocating and identifying frequency resources in a frequency division multiple access system |
GB2436416A (en) | 2006-03-20 | 2007-09-26 | Nec Corp | Signal resource allocation in a communication system using a plurality of subcarriers |
US20070223614A1 (en) * | 2006-03-23 | 2007-09-27 | Ravi Kuchibhotla | Common time frequency radio resource in wireless communication systems |
US8249607B2 (en) * | 2006-03-29 | 2012-08-21 | Motorola Mobility, Inc. | Scheduling in wireless communication systems |
US8924335B1 (en) | 2006-03-30 | 2014-12-30 | Pegasystems Inc. | Rule-based user interface conformance methods |
US20070232339A1 (en) * | 2006-04-03 | 2007-10-04 | Samsung Electronics Co., Ltd. | Method And System For Performing Ranging When Using Multiple Channel Communication In A Wireless Network |
US8351405B2 (en) * | 2006-07-14 | 2013-01-08 | Qualcomm Incorporated | Method and apparatus for signaling beacons in a communication system |
US8543070B2 (en) | 2006-04-24 | 2013-09-24 | Qualcomm Incorporated | Reduced complexity beam-steered MIMO OFDM system |
KR101035083B1 (en) * | 2006-04-26 | 2011-05-19 | 재단법인서울대학교산학협력재단 | Method and system for using resource in a multi-cell communication system |
DK2015595T3 (en) * | 2006-04-28 | 2016-02-01 | Panasonic Ip Corp America | RADIO COMMUNICATION BASIC DEVICE DEVICE AND RADIO COMMUNICATION PROCEDURE FOR MULTIBAR COMMUNICATION |
US7808907B2 (en) * | 2006-05-02 | 2010-10-05 | Alcatel-Lucent Usa Inc. | Scheduling method for use in a mesh network |
US8290089B2 (en) | 2006-05-22 | 2012-10-16 | Qualcomm Incorporated | Derivation and feedback of transmit steering matrix |
US8320924B2 (en) * | 2006-05-25 | 2012-11-27 | Nokia Corporation | Interference control in a communication system |
US8494450B2 (en) * | 2006-05-26 | 2013-07-23 | Wichorus, Inc. | Method and system for managing communication in a frequency division multiple access (FDMA) communication network |
WO2007138664A1 (en) * | 2006-05-26 | 2007-12-06 | Mitsubishi Electric Corporation | Scheduling method and communication apparatus |
JP4760547B2 (en) * | 2006-06-02 | 2011-08-31 | 日本電気株式会社 | Radio base station apparatus and scheduling method |
JP4476968B2 (en) * | 2006-06-19 | 2010-06-09 | 株式会社エヌ・ティ・ティ・ドコモ | Base station, user apparatus, transmission method and reception method in mobile communication system |
JP5242025B2 (en) * | 2006-06-19 | 2013-07-24 | 株式会社エヌ・ティ・ティ・ドコモ | Base station and transmission method |
US8170604B2 (en) * | 2006-06-27 | 2012-05-01 | Motorola Mobility, Inc. | Method and system for managing communications for a multi-mode communications device |
US20090227261A1 (en) * | 2006-07-07 | 2009-09-10 | Nokia Corporation | Radio resource allocation mechanism |
US7873327B2 (en) * | 2006-08-22 | 2011-01-18 | Alcatel-Lucent Usa Inc. | Method for adaptively controlling other cell interference |
JP5006001B2 (en) * | 2006-08-22 | 2012-08-22 | 株式会社エヌ・ティ・ティ・ドコモ | Downlink MIMO transmission control method and base station apparatus |
JP4845644B2 (en) * | 2006-08-29 | 2011-12-28 | 三洋電機株式会社 | COMMUNICATION METHOD AND RADIO DEVICE USING THE SAME |
US8442572B2 (en) * | 2006-09-08 | 2013-05-14 | Qualcomm Incorporated | Method and apparatus for adjustments for delta-based power control in wireless communication systems |
US8670777B2 (en) | 2006-09-08 | 2014-03-11 | Qualcomm Incorporated | Method and apparatus for fast other sector interference (OSI) adjustment |
US9949278B2 (en) * | 2006-09-11 | 2018-04-17 | Qualcomm Incorporated | Dynamic power amplifier backoff |
KR101256226B1 (en) | 2006-09-12 | 2013-04-17 | 연세대학교 산학협력단 | Frequency resource allocation method for multi-carrier mobile communication systsem |
JP5199261B2 (en) | 2006-09-21 | 2013-05-15 | クゥアルコム・インコーポレイテッド | Method and apparatus for mitigating vibration between repeaters |
EP2111697B1 (en) * | 2006-09-26 | 2016-09-21 | ViaSat, Inc. | Improved spot beam satellite systems |
US20090295628A1 (en) * | 2006-09-26 | 2009-12-03 | Viasat, Inc. | Satellite System Optimization |
US8107875B2 (en) * | 2006-09-26 | 2012-01-31 | Viasat, Inc. | Placement of gateways near service beams |
US8538323B2 (en) * | 2006-09-26 | 2013-09-17 | Viasat, Inc. | Satellite architecture |
US7647025B2 (en) * | 2006-09-29 | 2010-01-12 | Alcatel-Lucent Usa Inc. | Method for adaptively controlling and coordinating other cell interference |
EP2070380B1 (en) * | 2006-10-02 | 2017-06-21 | Optis Wireless Technology, LLC | Method for reducing intra-cell interference between cell phones performing random access |
US20090298423A1 (en) * | 2006-10-03 | 2009-12-03 | Viasat, Inc. | Piggy-Back Satellite Payload |
US8340070B2 (en) | 2006-10-03 | 2012-12-25 | Qualcomm Incorporated | Resource partitioning for wireless communication systems |
US20080089278A1 (en) * | 2006-10-11 | 2008-04-17 | Inha-Industry Partnership Institute | Method and frame structure for supporting dynamic channel allocation and dynamic power allocation in frequency reuse partitioning based OFDMA system |
WO2008050998A1 (en) * | 2006-10-23 | 2008-05-02 | Samsung Electronics Co., Ltd. | Method for setting transmission power of data channel in a frequency division multiple access system and mobile station apparatus for the same |
CA2663976A1 (en) | 2006-10-24 | 2008-05-02 | Qualcomm Incorporated | Enabling resource partitioning for wireless communication systems |
CA2667470A1 (en) | 2006-10-26 | 2008-05-15 | Qualcomm Incorporated | Repeater techniques for multiple input multiple output utilizing beam formers |
US8391196B2 (en) | 2006-10-26 | 2013-03-05 | Qualcomm Incorporated | Dynamic power amplifier backoff using headroom information |
US8014359B2 (en) * | 2006-10-27 | 2011-09-06 | Interdigital Technology Corporation | Method and apparatus for assigning radio resources and controlling transmission parameters on a random access channel |
EP2090011B1 (en) * | 2006-11-01 | 2018-08-01 | QUALCOMM Incorporated | Sub-band dependent resource management |
WO2008058162A2 (en) | 2006-11-06 | 2008-05-15 | Qualcomm Incorporated | Method for transmit power control dependent on subband load |
AU2007316434B2 (en) | 2006-11-06 | 2011-08-04 | Qualcomm Incorporated | Methods and apparatus for power allocation and/or rate selection for UL MIMO/SIMO operations with par considerations |
FI20065698A0 (en) * | 2006-11-06 | 2006-11-06 | Nokia Corp | Allocation of radio resources and radio system |
CN101536373B (en) | 2006-11-07 | 2012-11-28 | 高通股份有限公司 | Method and apparatus for reinforcement of broadcast transmissions in mbsfn inactive areas |
US8059702B2 (en) * | 2006-11-30 | 2011-11-15 | Motorola Mobility, Inc. | Monitoring multiple modem transmission in a communication device |
US8665778B2 (en) | 2006-11-30 | 2014-03-04 | Motorola Mobility Llc | Monitoring and control of transmit power in a multi-modem wireless communication device |
US8744519B2 (en) * | 2006-12-14 | 2014-06-03 | Motorola Mobility Llc | Multimodal phone data session management enhancement that alleviates dual transmission problems |
EP2120475B1 (en) * | 2007-01-31 | 2012-08-22 | Sharp Kabushiki Kaisha | Exchange of an interference table between base stations |
GB2447439B (en) | 2007-02-02 | 2012-01-25 | Ubiquisys Ltd | Access point power control |
KR100961744B1 (en) * | 2007-02-05 | 2010-06-07 | 삼성전자주식회사 | Apparatus and method for uplink scheduling in broadband wireless communication system |
WO2008095541A1 (en) * | 2007-02-09 | 2008-08-14 | Telefonaktiebolaget L M Ericsson (Publ) | Method and radio transmitter controlling device for reducing interference in a communication network |
US20080205332A1 (en) * | 2007-02-22 | 2008-08-28 | Stmicroelectronics, Inc. | Hybrid proactive on-demand routing in wireless networks |
US8437314B2 (en) | 2007-02-22 | 2013-05-07 | Stmicroelectronics, Inc. | Radio frequency architecture for spectrum access networks |
US9137075B2 (en) * | 2007-02-23 | 2015-09-15 | Telefonaktiebolaget Lm Ericsson (Publ) | Subcarrier spacing identification |
KR20080080731A (en) * | 2007-03-02 | 2008-09-05 | 삼성전자주식회사 | Apparatus and method for frequency reuse in multi input multi output |
US8250525B2 (en) | 2007-03-02 | 2012-08-21 | Pegasystems Inc. | Proactive performance management for multi-user enterprise software systems |
EP2463679B1 (en) | 2007-05-01 | 2020-03-11 | Qualcomm Incorporated(1/3) | Position location for wireless communication systems |
US9119026B2 (en) * | 2007-05-18 | 2015-08-25 | Qualcomm Incorporated | Enhanced pilot signal |
US8412227B2 (en) | 2007-05-18 | 2013-04-02 | Qualcomm Incorporated | Positioning using enhanced pilot signal |
JP5128663B2 (en) * | 2007-05-30 | 2013-01-23 | 韓國電子通信研究院 | Radio resource reassignment method in fixed assignment method |
KR101173940B1 (en) * | 2007-06-01 | 2012-09-03 | 보드 오브 리전츠, 더 유니버시티 오브 텍사스 시스템 | Apparatus and method for transmission and recepetion in multi input multi output system with relay |
US20090005102A1 (en) * | 2007-06-30 | 2009-01-01 | Suman Das | Method and Apparatus for Dynamically Adjusting Base Station Transmit Power |
US8406205B2 (en) | 2007-08-08 | 2013-03-26 | Qualcomm Incorporated | Apparatus and method for channel reservation in wireless communication systems |
US20090227263A1 (en) * | 2007-09-10 | 2009-09-10 | Qualcomm Incorporated | Method and apparatus for using load indication for intereference mitigation in a wireless communication system |
US8190165B2 (en) * | 2007-09-21 | 2012-05-29 | Future Wei Technologies, Inc. | System and method for utility-based scheduling for space division multiple access (SDMA) on an uplink of a wireless communications network |
US8181079B2 (en) * | 2007-09-21 | 2012-05-15 | Qualcomm Incorporated | Data transmission with HARQ and interference mitigation |
US9264976B2 (en) | 2007-11-16 | 2016-02-16 | Qualcomm Incorporated | Preamble design for a wireless signal |
US9215669B2 (en) * | 2007-11-16 | 2015-12-15 | Qualcomm Incorporated | Preamble design for a wireless signal |
US8705506B2 (en) * | 2007-11-16 | 2014-04-22 | Qualcomm Incorporated | Time reservation for a dominant interference scenario in a wireless communication network |
US9125163B2 (en) | 2007-11-16 | 2015-09-01 | Qualcomm Incorporated | Persistent interference mitigation in a wireless communication |
US20090129333A1 (en) * | 2007-11-16 | 2009-05-21 | Qualcomm Incorporated | Preamble design for a wireless signal |
US8918112B2 (en) | 2007-11-16 | 2014-12-23 | Qualcomm Incorporated | Preamble design for a wireless signal |
CN101874370B (en) * | 2007-11-26 | 2014-04-16 | 夏普株式会社 | Radio communication system, radio transmission device, radio communication method, and program |
ES2436025T3 (en) * | 2008-01-04 | 2013-12-26 | Panasonic Corporation | Method, system, integrated circuit, communication module and reading computer support to achieve a sharing of resources that includes reuse of space and time within a power line communication system |
CN101483456B (en) * | 2008-01-09 | 2012-10-10 | 普天信息技术研究院有限公司 | Power distribution method and apparatus based on indoor distributed antenna coverage mode |
ES2624635T3 (en) * | 2008-01-14 | 2017-07-17 | Telefonaktiebolaget Lm Ericsson (Publ) | Open loop precoder cycles in MIMO communications |
US9801188B2 (en) | 2008-02-01 | 2017-10-24 | Qualcomm Incorporated | Backhaul signaling for interference avoidance |
US9246541B2 (en) | 2008-02-01 | 2016-01-26 | Qualcomm Incorporated | UTRAN enhancements for the support of inter-cell interference cancellation |
US8768372B2 (en) | 2008-02-13 | 2014-07-01 | Qualcomm Incorporated | Sector interference management based on inter-sector performance |
US8548081B2 (en) | 2008-02-20 | 2013-10-01 | Qualcomm Incorporated | Methods and apparatus for diversity combining of repeated signals in OFDMA systems |
US8374131B2 (en) * | 2008-02-27 | 2013-02-12 | Alcatel Lucent | Frequency planning method for wireless LANs |
US8537790B2 (en) * | 2008-03-10 | 2013-09-17 | Motorola Mobility Llc | Hierarchical pilot structure in wireless communication systems |
US8493835B2 (en) | 2008-03-26 | 2013-07-23 | Qualcomm, Incorporated | Method and apparatus for mapping virtual resources to physical resources in a wireless communication system |
US8155063B2 (en) | 2008-04-28 | 2012-04-10 | Apple Inc. | Apparatus and methods for transmission and reception of data in multi-antenna systems |
US8195250B2 (en) * | 2008-04-30 | 2012-06-05 | Motorola Mobility, Inc. | Method and apparatus for controlling power among modems in a multi-mode mobile communication device |
US8595501B2 (en) | 2008-05-09 | 2013-11-26 | Qualcomm Incorporated | Network helper for authentication between a token and verifiers |
US8345691B2 (en) * | 2008-05-15 | 2013-01-01 | Cellco Partnership | Scheduling with quality of service support in wireless system |
US8559908B2 (en) * | 2008-06-16 | 2013-10-15 | Qualcomm Incorporated | Jamming graph and its application in network resource assignment |
US20090325479A1 (en) * | 2008-06-25 | 2009-12-31 | Qualcomm Incorporated | Relay antenna indexing for shared antenna communication |
US8687588B2 (en) * | 2008-07-02 | 2014-04-01 | Qualcomm Incorporated | Low power modes for femto cells |
US20100005359A1 (en) * | 2008-07-04 | 2010-01-07 | Institute For Information Industry | Communication apparatuses, transmission method, receiving method of a wireless network system for hybrid automatic repeat request and tangible machine-readable medium thereof |
US8212944B2 (en) * | 2008-07-10 | 2012-07-03 | Qualcomm Incorporated | Fast stream switching |
US8094643B2 (en) * | 2008-07-10 | 2012-01-10 | Qualcomm Incorporated | Dynamic power management for time division multiplexing devices |
US8380531B2 (en) * | 2008-07-25 | 2013-02-19 | Invivodata, Inc. | Clinical trial endpoint development process |
US8023989B2 (en) * | 2008-08-11 | 2011-09-20 | Chu-Rui Chang | Coordinated power boost and power back-off |
US8825100B2 (en) | 2008-08-11 | 2014-09-02 | Blackberry Limited | Method and system for providing a power boost for a wireless communication link using a subset of subcarrier frequencies of the wireless communication link channel as a reduced bandwidth channel |
US10481878B2 (en) | 2008-10-09 | 2019-11-19 | Objectstore, Inc. | User interface apparatus and methods |
CN101729119B (en) * | 2008-10-15 | 2014-06-11 | 中兴通讯股份有限公司 | Adaptive switching method and system for downlink multi-input multi-output mode |
WO2010064438A1 (en) * | 2008-12-04 | 2010-06-10 | 日本電信電話株式会社 | Control station apparatus, transmitter station apparatus, communication method and communication system |
KR101170875B1 (en) * | 2008-12-19 | 2012-08-02 | 한국전자통신연구원 | Mehtod and apparatus for evaluating the modification of the licence for the spectrum liberalization |
WO2010072020A1 (en) | 2008-12-22 | 2010-07-01 | Huawei Technologies Co., Ltd. | Method for signalling in a wireless communication system |
JP5073687B2 (en) * | 2009-01-07 | 2012-11-14 | 株式会社エヌ・ティ・ティ・ドコモ | Base station apparatus and information transmission method |
US9268386B2 (en) * | 2009-01-09 | 2016-02-23 | Qualcomm Incorporated | Methods and systems for dynamic service flow using available battery power |
US8982750B2 (en) | 2009-01-16 | 2015-03-17 | Qualcomm Incorporated | Method and apparatus for transmitting overload indicator over the air |
US8660600B2 (en) | 2009-03-12 | 2014-02-25 | Qualcomm Incorporated | Over-the-air overload indicator |
US8843435B1 (en) | 2009-03-12 | 2014-09-23 | Pegasystems Inc. | Techniques for dynamic data processing |
US20100238888A1 (en) * | 2009-03-19 | 2010-09-23 | Qualcomm Incorporated | Systems, apparatus and methods for interference management in wireless networks |
JP5222763B2 (en) * | 2009-03-23 | 2013-06-26 | Kddi株式会社 | Wireless communication terminal |
US9839001B2 (en) * | 2009-03-23 | 2017-12-05 | Apple Inc. | Methods and apparatus for optimizing paging mechanisms and publication of dynamic paging mechanisms |
US8468492B1 (en) | 2009-03-30 | 2013-06-18 | Pegasystems, Inc. | System and method for creation and modification of software applications |
IL198100A (en) * | 2009-04-07 | 2016-08-31 | Intucell Ltd | Method and system for obtaining radio access network (ran) information of a cellular telecommunications network |
US9166875B2 (en) * | 2009-06-22 | 2015-10-20 | Qualcomm Incorporated | Method and apparatus for network optimization using SON solutions |
US8223693B2 (en) * | 2009-06-23 | 2012-07-17 | Mediatek Inc. | PTA method and apparatus utilizing the same |
EP2449827B1 (en) * | 2009-06-30 | 2017-08-02 | Telefonaktiebolaget LM Ericsson (publ) | Uplink power control for dual and multi carrier radio system |
GB2471681B (en) * | 2009-07-07 | 2011-11-02 | Ubiquisys Ltd | Interference mitigation in a femtocell access point |
US8498579B2 (en) | 2009-07-20 | 2013-07-30 | Qualcomm Incorporated | Channel reuse in communication systems |
US9014138B2 (en) * | 2009-08-07 | 2015-04-21 | Blackberry Limited | System and method for a virtual carrier for multi-carrier and coordinated multi-point network operation |
GB2472597B (en) | 2009-08-11 | 2012-05-16 | Ubiquisys Ltd | Power setting |
CN102511187B (en) * | 2009-09-14 | 2015-11-25 | 瑞典爱立信有限公司 | Subframe time skew is used when scheduled with downlink data transmits |
KR101636382B1 (en) | 2009-09-28 | 2016-07-20 | 삼성전자주식회사 | Method and device for user schedulling and managing transmit power in hierarchical-cell or multi-cell communication system |
US20110085504A1 (en) * | 2009-10-14 | 2011-04-14 | Chia-Chin Chong | Adaptive beam-forming and space-frequency block coding transmission scheme for mimo-ofdma systems |
US20120231833A1 (en) * | 2009-10-29 | 2012-09-13 | Troels Emil Kolding | Transmission Power Control |
US8374263B2 (en) * | 2009-11-12 | 2013-02-12 | Siklu Communication ltd. | OFDM communication with multi-dimensional rate adaptation |
CN104901778B (en) | 2009-12-17 | 2018-07-24 | Lg电子株式会社 | Method and apparatus is sended and received in wireless communication system |
US8688156B2 (en) | 2010-01-08 | 2014-04-01 | Samsung Electronics Co., Ltd. | Method and apparatus for controlling link margin |
KR101539233B1 (en) * | 2010-01-08 | 2015-07-27 | 삼성전자주식회사 | Method and apparatus for controlling a link margin |
EP2524561B1 (en) * | 2010-01-13 | 2014-11-12 | Telefonaktiebolaget L M Ericsson (PUBL) | Methods and arrangements in a wireless communication system |
JP5418353B2 (en) * | 2010-03-25 | 2014-02-19 | ソニー株式会社 | Communication control method and small and medium-sized base station |
KR20110114175A (en) * | 2010-04-13 | 2011-10-19 | 삼성전자주식회사 | Apparatus and method for saving power consumption in broadband wireless communication system |
CN102237091B (en) * | 2010-04-30 | 2012-10-10 | 爱立信(中国)通信有限公司 | Frame division multiplexing-based adaptive voice service bearing method and system |
US8744513B2 (en) * | 2010-06-29 | 2014-06-03 | Qualcomm Incorporated | Interaction between maximum power reduction and power scaling in wireless networks |
EP2410705B1 (en) * | 2010-07-20 | 2015-08-19 | NTT DoCoMo, Inc. | Apparatus and method for calculating receive parameters for an MIMO system |
US20130288737A1 (en) * | 2010-09-21 | 2013-10-31 | Nokia Corporation | Apparatus and method to manage interference between communication nodes |
WO2012050838A1 (en) | 2010-09-28 | 2012-04-19 | Neocific, Inc. | Methods and apparatus for flexible use of frequency bands |
EP2487976A1 (en) * | 2011-02-09 | 2012-08-15 | Alcatel Lucent | Apparatus, system, method and computer program for assigning a radio resource |
US8880487B1 (en) | 2011-02-18 | 2014-11-04 | Pegasystems Inc. | Systems and methods for distributed rules processing |
US8787351B2 (en) * | 2011-04-14 | 2014-07-22 | Alcatel Lucent | Method and apparatus for scheduling transmissions in a communication network |
EP3972182A1 (en) | 2011-05-03 | 2022-03-23 | Telefonaktiebolaget LM Ericsson (publ) | Search area based control channel monitoring |
EP2708075B1 (en) * | 2011-05-09 | 2019-11-13 | Telefonaktiebolaget LM Ericsson (publ) | Methods and arrangements for transmitting and receiving sub - frame specific power offset information |
US9608902B2 (en) | 2011-06-16 | 2017-03-28 | Qualcomm Incorporated | Communication mechanism in a network of nodes with multiple interfaces |
US8750110B2 (en) | 2011-06-17 | 2014-06-10 | Qualcomm Incorporated | Automatic path selection for hybrid communication networks |
US8781416B1 (en) * | 2011-09-09 | 2014-07-15 | Rockwell Collins, Inc. | Adapting transmit parameters in highly dynamic channel |
CN107819561B (en) * | 2011-10-14 | 2020-09-29 | 索尼公司 | Apparatus and method for use in a radio communication system and computer storage medium |
GB2497743B (en) * | 2011-12-19 | 2017-09-27 | Sca Ipla Holdings Inc | Telecommunications systems and methods |
CN102612044B (en) * | 2011-12-21 | 2015-04-08 | 华为技术有限公司 | Adjusting method and device of frequency band modes |
US8886203B2 (en) * | 2011-12-28 | 2014-11-11 | Qualcomm Incorporated | Dynamic channel reuse in multi-access communication systems |
US9195936B1 (en) | 2011-12-30 | 2015-11-24 | Pegasystems Inc. | System and method for updating or modifying an application without manual coding |
EP2621207B1 (en) * | 2012-01-24 | 2015-04-15 | Alcatel Lucent | Method for distributing the power of a multi-frequency signal among a plurality of subcarriers |
US9054843B2 (en) * | 2012-01-30 | 2015-06-09 | Nokia Solutions And Networks Oy | Search space arrangement for control channel |
US9031094B2 (en) * | 2012-02-03 | 2015-05-12 | Apple Inc. | System and method for local flow control and advisory using a fairness-based queue management algorithm |
US9497769B1 (en) * | 2012-04-12 | 2016-11-15 | Sprint Spectrum L.P. | Allocating carriers in a wireless communication system |
CN103517394B (en) * | 2012-06-30 | 2017-08-18 | 华为技术有限公司 | Scheduling user data method and apparatus |
US8989152B1 (en) | 2013-02-12 | 2015-03-24 | Sprint Spectrum L.P. | Systems and methods for symmetrical implementation of inter-cell interference coordination (ICIC) in a radio access network (RAN) |
KR102003977B1 (en) * | 2013-09-09 | 2019-07-25 | 삼성전자주식회사 | Link performance abstraction method and apparatus in a wireless communication |
KR20160030970A (en) | 2013-07-10 | 2016-03-21 | 콘비다 와이어리스, 엘엘씨 | Context-aware proximity services |
EP3022967B1 (en) * | 2013-07-15 | 2020-04-08 | Greenpeak Technologies N.V. | Radio channel allocation for wireless interface using ultra low power nodes |
US9451558B2 (en) | 2013-08-20 | 2016-09-20 | Qualcomm Incorporated | Adaptive transmit power control in a communication network |
US9703355B2 (en) * | 2013-08-28 | 2017-07-11 | Qualcomm Incorporated | Method, devices and systems for dynamic multimedia data flow control for thermal power budgeting |
US9354965B2 (en) * | 2013-10-18 | 2016-05-31 | GM Global Technology Operations LLC | Method and apparatus for isolating a fault in a controller area network |
US9585106B2 (en) | 2014-03-27 | 2017-02-28 | Taiwan Semiconductor Manufacturing Company, Ltd. | Network-assisted channel selection and power control for mobile devices |
RU2562431C1 (en) * | 2014-05-13 | 2015-09-10 | Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Поволжский государственный университет телекоммуникаций и информатики" (ФГОБУ ВПО ПГУТИ) | Method for parallel multifrequency transmission of digital information via parallel spaced radio channels using hybrid data modulation |
EP3188525B1 (en) * | 2014-08-28 | 2020-05-06 | Sony Corporation | Communication control device, communication control method and program |
US10469396B2 (en) | 2014-10-10 | 2019-11-05 | Pegasystems, Inc. | Event processing with enhanced throughput |
CN107113844B (en) | 2015-08-12 | 2020-12-15 | 华为技术有限公司 | User equipment, network equipment and data transmission method |
US10698599B2 (en) | 2016-06-03 | 2020-06-30 | Pegasystems, Inc. | Connecting graphical shapes using gestures |
FR3052952B1 (en) * | 2016-06-15 | 2018-07-13 | Sagemcom Energy & Telecom Sas | METHOD FOR DEFINING AND APPLYING A FREQUENCY PLAN |
US10698647B2 (en) | 2016-07-11 | 2020-06-30 | Pegasystems Inc. | Selective sharing for collaborative application usage |
CN106149451A (en) * | 2016-08-19 | 2016-11-23 | 甘培嘉 | The vacuum absorption device of low-temperature thermal insulation paper |
US10264590B2 (en) * | 2016-08-31 | 2019-04-16 | Intel Corporation | Channel allocation among multiple radio frequency networks |
GB2570278B (en) * | 2017-10-31 | 2020-09-16 | Cambium Networks Ltd | Spectrum management for a point-to-multipoint wireless network |
RU2669535C1 (en) * | 2017-11-16 | 2018-10-11 | Алексей Николаевич Бегаев | Method of external quality control of communication services provided by network |
US10512094B2 (en) | 2017-12-28 | 2019-12-17 | Intel Corporation | Assessment and mitigation of radio frequency interference of networked devices |
US11048488B2 (en) | 2018-08-14 | 2021-06-29 | Pegasystems, Inc. | Software code optimizer and method |
CN111277964B (en) * | 2020-01-22 | 2022-04-01 | 北京市万格数码通讯科技有限公司 | Random access method for mobile terminal in high concurrency state of PDT system |
JP7010540B2 (en) * | 2020-02-21 | 2022-01-26 | Necプラットフォームズ株式会社 | Wireless LAN access point, transmit beamforming control method and transmit beamforming control program |
US11567945B1 (en) | 2020-08-27 | 2023-01-31 | Pegasystems Inc. | Customized digital content generation systems and methods |
CN112994782B (en) * | 2021-03-03 | 2021-09-10 | 军事科学院系统工程研究院网络信息研究所 | Satellite mobile communication method combining space-time-frequency triple multiplexing and bandwidth self-adaption |
CN113922865B (en) * | 2021-10-12 | 2023-07-25 | 重庆邮电大学 | Energy optimization method of multi-beam low-orbit satellite in high-latitude scene |
Family Cites Families (43)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5321963B2 (en) * | 1973-11-12 | 1978-07-06 | ||
JPS5975725A (en) * | 1982-10-25 | 1984-04-28 | Hitachi Ltd | Channel control system in moving body communication |
DE3689290T2 (en) * | 1985-04-22 | 1994-04-28 | Ncr Co | Process for selecting an optimal transmission channel in a communication system with several stations. |
US4901307A (en) | 1986-10-17 | 1990-02-13 | Qualcomm, Inc. | Spread spectrum multiple access communication system using satellite or terrestrial repeaters |
US5103459B1 (en) | 1990-06-25 | 1999-07-06 | Qualcomm Inc | System and method for generating signal waveforms in a cdma cellular telephone system |
US5351269A (en) * | 1990-12-05 | 1994-09-27 | Scs Mobilecom, Inc. | Overlaying spread spectrum CDMA personal communications system |
US5434798A (en) * | 1991-05-23 | 1995-07-18 | Telefonaktiebolaget L M Ericcson | Reconfiguration in a cellular communications network |
US5245629A (en) * | 1991-10-28 | 1993-09-14 | Motorola, Inc. | Method for compensating for capacity overload in a spread spectrum communication system |
US5448750A (en) * | 1992-04-22 | 1995-09-05 | Telefonaktiebolaget Lm Ericsson | Segregation method of dynamic channel allocation in a mobile radio system |
JPH05316039A (en) * | 1992-05-12 | 1993-11-26 | Nec Corp | Mobile radio telephone exchange system |
US5594720A (en) * | 1993-11-24 | 1997-01-14 | Lucent Technologies Inc. | Multiple access cellular communication with dynamic slot allocation and reduced co-channel interferences |
US5838673A (en) * | 1993-12-16 | 1998-11-17 | Geotek Industries, Inc. | Radio telephone system for minimizing co-channel interference utilizing geographic separation of signals and transmission power control |
JP2606678B2 (en) * | 1994-12-22 | 1997-05-07 | 日本電気株式会社 | Channel allocation method in mobile communication system |
JPH08289367A (en) * | 1995-04-14 | 1996-11-01 | Oki Electric Ind Co Ltd | Mobile communication system |
US5745484A (en) * | 1995-06-05 | 1998-04-28 | Omnipoint Corporation | Efficient communication system using time division multiplexing and timing adjustment control |
FI102649B1 (en) * | 1995-10-13 | 1999-01-15 | Nokia Telecommunications Oy | Increasing the capacity of the cellular radio network |
US5787352A (en) * | 1995-12-29 | 1998-07-28 | At&T Corp. | System and method for management of neighbor-channel interference with power control and directed channel assignment |
US5844894A (en) * | 1996-02-29 | 1998-12-01 | Ericsson Inc. | Time-reuse partitioning system and methods for cellular radio telephone systems |
IL118679A (en) * | 1996-06-18 | 2001-08-26 | Israel State | Adaptive capacity and quality improvements in cellular radio services by the removal of strong interference sources |
JPH09107581A (en) * | 1996-07-03 | 1997-04-22 | Nec Corp | Channel allocation method for mobile communication system |
JPH1065604A (en) * | 1996-08-23 | 1998-03-06 | Sony Corp | Communication method, base station and terminal equipment |
US6122514A (en) * | 1997-01-03 | 2000-09-19 | Cellport Systems, Inc. | Communications channel selection |
US6018663A (en) * | 1997-01-28 | 2000-01-25 | Telefonaktiebolaget Lm Ericsson | Frequency packing for dynamic frequency allocation in a radiocommunication system |
US5974324A (en) * | 1997-02-10 | 1999-10-26 | Ericsson Inc. | Adaptive frequency reuse plan |
US6335922B1 (en) * | 1997-02-11 | 2002-01-01 | Qualcomm Incorporated | Method and apparatus for forward link rate scheduling |
JPH10276127A (en) * | 1997-03-28 | 1998-10-13 | Saitama Nippon Denki Kk | Radio base station equipment with fault detection function and mobile communication system using the same |
FR2761838B1 (en) * | 1997-04-03 | 1999-04-30 | Alsthom Cge Alcatel | METHOD FOR CONTROLLING THE TRANSMISSION POWER OF TERMINALS IN A CELLULAR NETWORK OF CDMA TYPE, BASE STATION AND BASE STATION CONTROLLER USING THE SAME |
US5923650A (en) * | 1997-04-08 | 1999-07-13 | Qualcomm Incorporated | Method and apparatus for reverse link rate scheduling |
US5914950A (en) | 1997-04-08 | 1999-06-22 | Qualcomm Incorporated | Method and apparatus for reverse link rate scheduling |
US6021329A (en) * | 1997-05-01 | 2000-02-01 | Telefonaktie Bolaget Lm Ericsson (Publ) | Method, and associated apparatus, for determining cell relationships in a radio communication system |
JP3129285B2 (en) * | 1997-06-27 | 2001-01-29 | 日本電気株式会社 | Base station transmission power control method and base station transmission power control apparatus in CDMA mobile communication system |
JPH1155345A (en) * | 1997-07-29 | 1999-02-26 | Matsushita Electric Ind Co Ltd | Communication equipment |
US6167031A (en) * | 1997-08-29 | 2000-12-26 | Telefonaktiebolaget Lm Ericsson (Publ) | Method for selecting a combination of modulation and channel coding schemes in a digital communication system |
US6058105A (en) * | 1997-09-26 | 2000-05-02 | Lucent Technologies Inc. | Multiple antenna communication system and method thereof |
US6185266B1 (en) * | 1997-10-07 | 2001-02-06 | Motorola, Inc. | Method and system for generating a power control metric in an orthogonal transmit diversity communication system |
JPH11298631A (en) * | 1998-04-14 | 1999-10-29 | Sharp Corp | Device and method for selecting communication line |
US6721278B1 (en) * | 1998-04-30 | 2004-04-13 | Telefonaktiebolaget Lm Ericsson (Publ) | Dynamic allocation of packet data channels |
WO1999065158A1 (en) * | 1998-06-10 | 1999-12-16 | Siemens Aktiengesellschaft | Method for maintaining an operating condition of a mobile radio telephone system, mobile station and base station |
US6334057B1 (en) * | 1998-06-30 | 2001-12-25 | Telefonaktiebolaget Lm Ericsson (Publ) | Channel allocation in a telecommunications system with asymmetric uplink and downlink traffic |
US6333926B1 (en) * | 1998-08-11 | 2001-12-25 | Nortel Networks Limited | Multiple user CDMA basestation modem |
US6597705B1 (en) * | 1998-09-10 | 2003-07-22 | Qualcomm Incorporated | Method and apparatus for distributed optimal reverse link scheduling of resources, such as a rate and power in a wireless communication system |
US6230026B1 (en) * | 1998-10-15 | 2001-05-08 | Airnet Communications Corporation | Basestation architecture supporting baseband frequency hopping utilizing time division multiplexed mapping between a radio transceiver and digital signal processing resources |
US6366776B1 (en) * | 1999-09-29 | 2002-04-02 | Trw Inc. | End-to-end transmission techniques for a processing satellite system |
-
2000
- 2000-03-30 US US09/539,157 patent/US6493331B1/en not_active Expired - Lifetime
-
2001
- 2001-03-20 EP EP07024476.9A patent/EP1901442B1/en not_active Expired - Lifetime
- 2001-03-20 EP EP10184256A patent/EP2285172A3/en not_active Withdrawn
- 2001-03-20 AU AU2001249379A patent/AU2001249379B2/en not_active Expired
- 2001-03-20 EP EP10169713.4A patent/EP2237441B1/en not_active Expired - Lifetime
- 2001-03-20 MX MXPA02009418A patent/MXPA02009418A/en active IP Right Grant
- 2001-03-20 KR KR1020087006101A patent/KR100916166B1/en active IP Right Grant
- 2001-03-20 WO PCT/US2001/009325 patent/WO2001076098A2/en active Application Filing
- 2001-03-20 AU AU4937901D patent/AU4937901A/en active Pending
- 2001-03-20 IL IL151705A patent/IL151705A/en active IP Right Grant
- 2001-03-20 UA UA2002097538A patent/UA73979C2/en unknown
- 2001-03-20 EP EP01922596A patent/EP1269654B1/en not_active Expired - Lifetime
- 2001-03-20 CA CA2404055A patent/CA2404055C/en not_active Expired - Lifetime
- 2001-03-20 EP EP07024477.7A patent/EP1901443B1/en not_active Expired - Lifetime
- 2001-03-20 RU RU2002129007/09A patent/RU2264036C2/en active
- 2001-03-20 BR BR0109639-7A patent/BR0109639A/en not_active IP Right Cessation
- 2001-03-20 JP JP2001573660A patent/JP4927288B2/en not_active Expired - Lifetime
- 2001-03-20 KR KR1020027012920A patent/KR100896156B1/en active IP Right Grant
- 2001-03-20 CN CN01810340A patent/CN1432221A/en active Pending
- 2001-03-20 CA CA2698363A patent/CA2698363C/en not_active Expired - Fee Related
- 2001-03-20 EP EP10184213A patent/EP2285171A3/en not_active Withdrawn
- 2001-05-14 TW TW090107600A patent/TW512602B/en not_active IP Right Cessation
-
2002
- 2002-09-27 NO NO20024635A patent/NO332501B1/en not_active IP Right Cessation
- 2002-10-23 US US10/279,483 patent/US6744743B2/en not_active Expired - Lifetime
-
2008
- 2008-09-19 HK HK08110417.6A patent/HK1119313A1/en not_active IP Right Cessation
- 2008-09-19 HK HK08110421.0A patent/HK1119314A1/en not_active IP Right Cessation
-
2009
- 2009-04-05 IL IL197980A patent/IL197980A/en active IP Right Grant
-
2011
- 2011-04-05 JP JP2011083932A patent/JP5819086B2/en not_active Expired - Lifetime
- 2011-04-05 JP JP2011083933A patent/JP5265727B2/en not_active Expired - Lifetime
- 2011-04-06 HK HK11103458.6A patent/HK1149385A1/en not_active IP Right Cessation
- 2011-11-18 NO NO20111586A patent/NO335417B1/en not_active IP Right Cessation
- 2011-11-18 NO NO20111585A patent/NO20111585L/en not_active Application Discontinuation
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2005096532A1 (en) * | 2004-03-31 | 2005-10-13 | Nortel Networks Limited | Adaptive scheduling of voice traffic in a multi-carrier communication environment |
US8165009B2 (en) | 2004-03-31 | 2012-04-24 | Rockstar Bidco, LP | Adaptive scheduling of voice traffic in a multi-carrier communication environment |
US20120195280A1 (en) * | 2004-03-31 | 2012-08-02 | Rockstar Bidco, LP | Adaptive scheduling of voice traffic in a multi-carrier communication environment |
US9203578B2 (en) | 2004-03-31 | 2015-12-01 | Apple Inc. | Adaptive scheduling of voice traffic in a multi-carrier communication environment |
US9572172B2 (en) | 2004-03-31 | 2017-02-14 | Apple Inc. | Adaptive scheduling of voice traffic in a multi-carrier communication environment |
Also Published As
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CA2404055A1 (en) | A method of controlling transmission in a communications system using power back-off factors | |
KR100913713B1 (en) | Method and apparatus for controlling uplink transmissions of a wireless communication system | |
US8411624B2 (en) | Method of dynamic resource allocations in wireless systems | |
KR100566210B1 (en) | Apparatus and method for allocating channel in a wireless communication system | |
US8295231B2 (en) | Method of dynamic resource allocations in wireless systems | |
US20090143070A1 (en) | Supporting an Allocation of Radio Resources | |
US20060205412A1 (en) | System and method for controlling resource allocation in a multicell communication system | |
KR20070026244A (en) | Method for allocating resouce in a mobile communication system | |
KR20050023187A (en) | Method of packet scheduling with power | |
KR100800657B1 (en) | Power control apparatus and method for cellular systems using wierline relay stations | |
US8346291B2 (en) | Power control in a coordinated multipoint system | |
KR100938089B1 (en) | Method for scheduling data traffic in wireless communication system | |
KR101239796B1 (en) | Apparatus and method for space division multiple access communication | |
KR20080047021A (en) | Packet scheduling system and method for partial frequency reuse in wireless telecommunication system | |
KR20090090431A (en) | Apparatus and method for allocating of uplink resource in wireless communication system | |
KR20070058774A (en) | Apparatus and method for allocating radio resource in adaptive antenna system | |
AU2001249379A1 (en) | Method and apparatus for controlling transmissions of a communications system |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
MKEX | Expiry |
Effective date: 20210322 |