US20050025135A1 - System for facilitating personal communications with multiple wireless transmit/receive units - Google Patents
System for facilitating personal communications with multiple wireless transmit/receive units Download PDFInfo
- Publication number
- US20050025135A1 US20050025135A1 US10/929,132 US92913204A US2005025135A1 US 20050025135 A1 US20050025135 A1 US 20050025135A1 US 92913204 A US92913204 A US 92913204A US 2005025135 A1 US2005025135 A1 US 2005025135A1
- Authority
- US
- United States
- Prior art keywords
- wtru
- group
- wtrus
- data
- network
- 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.)
- Abandoned
Links
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/10—Network architectures or network communication protocols for network security for controlling access to devices or network resources
- H04L63/104—Grouping of entities
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/20—Network architectures or network communication protocols for network security for managing network security; network security policies in general
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/06—Authentication
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/06—Optimizing the usage of the radio link, e.g. header compression, information sizing, discarding information
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/60—Context-dependent security
- H04W12/69—Identity-dependent
- H04W12/76—Group identity
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/06—Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/22—Processing or transfer of terminal data, e.g. status or physical capabilities
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W92/00—Interfaces specially adapted for wireless communication networks
- H04W92/16—Interfaces between hierarchically similar devices
- H04W92/18—Interfaces between hierarchically similar devices between terminal devices
Definitions
- the present invention is directed to personal communication systems. More particularly, the invention is a system for facilitating personal communications of a user having multiple types of electronic devices.
- a cell phone may be used for voice or data communications, a PDA for calendaring and appointments, a laptop for corporate and personal uses. Additional equipment may be located in an automobile, at work or at home. In the future, it is expected that the use of electronic communicating will only increase. Of particular interest is when some or all of the types of electronic devices are wireless devices.
- wireless transmit/receive units In such situations where numerous wireless electronic devices, (hereinafter wireless transmit/receive units or WTRUs), are utilized by a single user to communicate, several technical problems arise concerning: 1) efficiency of signal transmissions to the user; 2) simple and robust security procedures; and 3) mobility management.
- WTRU wireless transmit/receive units
- each WTRU is treated as a separate entity with its own address and communications. Security associations as well as mobility management is done separately for each WTRU.
- the traditional approach is to treat each WTRU as separate equipment with its own address and duplicate the communication processes, whether they be data transmission, user authentication or location updating. This results in reduced efficiency of the network due to multiple transmissions of user data; reduced user convenience due to multiple user authentications; increased signaling traffic; and inability to use smart routing algorithms due to separate location updating.
- the present invention is a system for facilitating personal communications with multiple WTRUs.
- the present invention uses multicasting for efficient transmission. If multiple types of WTRUs have common applications, then a single transmission followed by local synchronization among the WTRUs is used to increase transmission efficiency.
- security With respect to security, by binding the security associations together, redundant user authentications are avoided. Mobility management procedures such as location updating can be done in a combined manner, so that the signaling is reduced. Furthermore, combined mobility management allows optimal routing.
- FIG. 1 is a diagram of a communications system made in accordance with the present invention.
- FIG. 2 illustrates WTRU grouping into group associations.
- FIG. 3 is a diagram of a WTRU database exemplifying possible information related to the WTRU grouping.
- FIG. 4 is a table having information associated with an individual WTRU.
- FIG. 5A-5D are diagrams of different types WTRU multicasting related to the WTRU grouping.
- FIG. 1 a system 10 made in accordance with the present invention is shown.
- the system includes a plurality of WTRUs, (WTRU 1 , WTRU 2 , WTRU 3 ), a cellular wireless network 20 , a WTRU database 22 , a gateway router 24 and a gateway switch 26 .
- the cellular wireless network 20 will be described hereinafter as a single wireless network from a single wireless service provider for simplicity of explanation. However, it should be recognized by those of skill in the art that the cellular wireless network may comprise a plurality of wireless operators. Although this introduces all of the concerns currently associated with roaming, the solution of the present invention is directly applicable to a multiple wireless service provider implementation. In such an application, the WTRU database 22 would be resident on the WTRU's home cellular wireless network 20 .
- the cellular wireless network 20 provides a wireless interface between the wireless WTRUs and the common elements of the system, namely the WTRU database 22 , the gateway router 24 and the gateway switch 26 .
- the WTRU database 22 is coupled to the cellular wireless network 20 , the gateway router 24 and the gateway switch 26 .
- the gateway router 24 provides an interface between the cellular wireless network 20 and the internet 28 .
- the gateway switch 26 provides an interface between the cellular wireless network 20 and the public switch telephone network (PSTN) 30 .
- PSTN public switch telephone network
- a WTRU “group” may refer to the multiple WTRUs of a single user, or may refer to the WTRUs of multiple users to be treated similarly with respect to certain communications, such as multiple users of a corporation.
- a WTRU may be associated with multiple WTRU groups.
- WTRU 1 , WTRU 2 and WTRU 3 may be associated with WTRU group company 1 .
- WTRU 1 may also be part of WTRU group association 1 along with WTRU 5 and WTRU 6 .
- WTRU 2 and WTRU 3 may be part of WTRU group association 2 along with WTRU 4 .
- the WTRU groups are labeled as an association or a company, they may pertain to any group, subgroup, family or individual. Accordingly, the WTRUs may be the multiple electronic devices associated with a particular user.
- the WTRU database 22 will be described in more detail with reference to FIGS. 3 and 4 .
- the WTRU database comprises two basic portions; information related to WTRU groups 50 and information regarding individual WTRUs 80 .
- FIG. 3 the portion of the WTRU database 22 related to WTRU groups 50 is shown.
- the WTRU group 50 information comprises a group ID 52 and a listing of member WTRUs 54 that are associated with a particular group ID 52 .
- WTRU group company 1 includes WTRU 1 , WTRU 2 and WTRU 3 . Accordingly, referring to FIG.
- the first group ID 52 which is listed as company 1 includes three member WTRUs 54 which are WTRU 1 , WTRU 2 and WTRU 3 , Likewise, each group which is pictorially referred to in FIG. 2 has an associated group ID 52 , a listing of member WTRUs 54 and proximity 56 . As shown, there may be one or more member WTRUs 54 associated with a single group ID 52 . Additionally, each WTRU may be associated with one or more group IDs 52 . The proximity 56 column indicates that the member WTRUs are at the same location, such as in a car or office.
- the WTRU information block 80 comprises a plurality of attributes 82 along with the details 84 associated with each attribute.
- the attribute 82 field includes the address 86 , the bearer capabilities 88 , the service subscriptions 90 , the location 92 , the security status 94 , the security binding 96 and the WTRU connectivity 98 .
- the address 86 provides a unique identification to the WTRU 80 .
- the unique address may be a cellular phone number, and IP address or any other type of unique identification to which the cellular wireless network 20 can route a communication.
- the bearer capabilities 88 by the types of radio interfaces supported, the data rate, QoS parameters, etc.
- the service subscriptions 90 identify the cellular wireless network provider services to which the WTRU has subscribed.
- the location 92 provides the current location of the WTRU 80 .
- This location 92 may be the specific geo-coordinates such as that available via the global positioning system (GPS). The location may also be at the cell level or the location area level whereby the cell or location of the WTRU 80 is provided. It should also be noted that unlike many of the other attributes 82 shown in FIG. 4 , the location 92 is preferably updated on a periodic basis as set by the user and/or the network, which may be “constantly” if overhead is not a concern or may be at successively lesser periodic intervals as overhead becomes a concern. The frequency of the updating may be dependent upon loading factors, whereby frequent updating may occur during low loading and less frequent updating my occur during high loading commissions.
- the recognized WTRU 95 field includes the identification's of all the groups to which the device belongs. This entry should be checked periodically to ensure it properly reflects the entries in WTRU group database 22 .
- the security status 94 includes the authentication and authorization status of the WTRU 80 .
- the status field 94 specifies whether or not the WTRU is authenticated by the network or networks. It also specifies if the WTRU has been verified to be authorized to access a particular service or services.
- the security binding 96 refers to the other WTRUs in the groups to which the WTRU 80 is associated. Binding is only within a group, not across differing groups.
- the WTRU connectivity 98 describes the WTRUs to which the WTRU 80 is connected and characterizes each connection, such as whether the connection is Bluetooth, LAN, WAN or any other type of wireless or wired connection.
- a WTRU When a WTRU first accesses the network, it attempts to register with the network. During the registration process, all WTRU fields are updated including any binding data. Registration may only be performed during the initial contact or the system may allow for ongoing registration renewal.
- FIG. 4 contains the list of the capabilities of each of the WTRU, it is intended that the present invention may also include other types and capabilities that are not listed therein.
- the attributes 82 listed in FIG. 4 are not intended to be exhaustive. Additionally, the specific functions of which each WTRU is capable is not central to the present invention.
- Location can be in terms of: a) geo-coordinates, b) a particular cell and c) a location area which typically consist of more than one cells. Any of these implementations would be acceptable for the invention.
- Association 354 is a subgroup containing WTRU 5 and WTRU 6 . If these two WTRUs are in the same approximate geographical location, in a car for example, the proximity indicator 56 for association 3 54 would be set to a “YES” in the WTRU individual database 80 .
- a WTRU changes its location, it does a location update to the network. If location is defined as geo-coordinates, this could result in a lot of signaling overhead. Accordingly, the WTRU may alternatively report only at some regular intervals of time. More generally, location is defined in terms of a location area (LA). A “LA” may be defined in terms of one or more cells or a WLAN hotspot or even in terms of geographic map information. The idea of course is that many situations are common. Whenever, a WTRU crosses a LA boundary, it will initiate a location update. Since we are dealing with a group of WTRUs, the usual location updates will also have to deal with updating ‘connectivity status’ among the WTRUs. This connectivity is one of the attributes of the Group.
- LA location area
- location updating is generalized to include location updates to one or more of the separate WTRUs. As the physical grouping characteristics and/or the local connectivity of the WTRUs change, then the altered characteristics are updated as well. The gain in efficiency is achieved when at least two group members (WTRUs) are co-located allowing the signaling load to be reduced.
- the second facet of the invention deals with the sending of data from a network to one or more of the WTRUs.
- the present invention links WTRUs to groups and assigns addresses which are stored in a database.
- each of these devices may be identified by addresses, such as WTRU 1 , D 2 . . . Dn.
- the addresses allow packets or calls to be routed to the device.
- the addresses may be global, such as with IP addresses, telephone numbers, as per the International Telecommunication Union (ITU) recommendations, or may even be wireless network specific addresses which are not recognized outside of the wireless network.
- ITU International Telecommunication Union
- these N wireless devices are defined to be a logical group G 1 , with an ID.
- the ID may be a wireless network specific multicast address, which allows the packet to be routed or it may simply be a label or a name.
- the multicast address may also be an IP address.
- a particular wireless device may also belong to more than one group.
- the databases of the present invention contain numerous characteristics about each WTRU as well as entries about each WTRU group.
- An example of the database entry for a single WTRU is shown in FIG. 4 .
- An example of the database entry for a Group is shown in FIG. 3 .
- the WTRU entry contains the usual descriptors of the device itself as well as information relating to the logical binding and connectivity to the other devices within the group or groups to which it belongs.
- the logical binding information consists of security associations and other associations.
- An alternative method is to store the logical binding information in the group entry or both.
- optimal routes are prepared for data packets or calls.
- a Group ID which is a wireless network specific label or name.
- An IP packet which is addressed to one of the WTRUs, for example an IP packet for WTRU 1 arrives at the Gateway Router.
- the Gateway Router consults the WTRU database and determines that WTRU 1 belongs to Group G 1 .
- the Group G 1 also includes WTRU 5 and WTRU 6 as illustrated in FIG. 2 .
- the connectivity among WTRU 1 , WTRU 5 and WTRU 6 is then determined. Based on the connectivity information, an optimal route is prepared.
- the link from the Gateway Router to WTRU 1 is of poor quality
- the link to WTRU 5 is of a good quality
- the link between WTRU 1 and WTRU 5 has a known good quality connection between themselves for example, Bluetooth and the WTRUs are in close proximity.
- the Packet may then be routed to WTRU 5 and then relayed to WTRU 1 .
- the packet may be sent to WTRU 6 where it is stored.
- An alert signal is sent to WTRU 1 , which is followed by a subsequent forwarding of the packet to WTRU 1 .
- Yet another embodiment is when a call comes in at the Gateway Switch destined to the device WTRU 1 .
- the link from Gateway Switch to WTRU 1 is poor, the link to WTRU 5 is good, and that WTRU 1 and WTRU 5 are well connected.
- the call is then forwarded to WTRU 5 and relayed to WTRU 1 .
- the call or packet is not stored.
- Another aspect of the invention deals with Group ID in a wireless network, specifically the use of Multicast addressing.
- the Gateway Router consults the WTRU database and determines that WTRU 1 belongs to G 1 .
- the Gateway Router extracts the multicast address of the group G 1 and multicasts the IP packet to all the individual WTRUs.
- a positive acknowledgement is sent back to the Gateway Router. If WTRU 1 was not one of the WTRUs that successfully received the IP packet, the Gateway Router multicasts a message to the group G 1 , requesting that just received IP packet be forwarded to WTRU 1 via local connections.
- the network consults the WTRU database 22 and determines an optimal way to route the packet to the destined WTRUs.
- FIG. 5A uses IP-multicasting or any other type of layer- 2 multicasting procedures.
- An alternative embodiment shown in FIG. 5B sends the packet to one destined WTRU and then lets the local network, such as Bluetooth, send it to other devices.
- Another embodiment shown in FIG. 5C sends the packet to one WTRU and uses it to relay the packet to the other WTRUs in a chained or an ad-hoc manner.
- a fourth embodiment shown in FIG. 5D is to send the packet to one WTRU and send alert signals to the other destined WTRUs. In this embodiment, a packet is stored only at one location and its presence is made known to all other destined WTRUs via an alert signal.
- the WTRU which has stored the packet is unavailable, (powered down for example), then a transfer of the packet to another WTRU is performed. Additionally, if the application for which the packet is destined is a shared application among multiple WTRUs, then appropriate synchronizations are made upon receipt of the packet.
- One manifestation of this invention is that if one WTRU is authenticated, then all the remaining WTRUs in the group associated with the said first WTRU are also treated as being authenticated. Therefore, as soon as one WTRU is authenticated, its authentication status is updated in the WTRU database. At the same time, the authentication status of all remaining WTRUs is also updated. When all the WTRUs in the group become inactive, then the authentication status of all the WTRUs and hence the group is deactivated. In accordance with the present invention, if one WTRU is authenticated, then the entire group is authenticated. In most situations, different WTRUs will have varyingly security algorithms and procedures that may provide strong security for certain WTRUs or weak WTRUs for other WTRUs. For example, a laptop has a username-password authentication approach, compared to a cell phone which has a SIM approach.
- the binding of the authentication status of the WTRUs may be explicitly specified using a set of rules.
- WTRU 1 may have a strong authentication scheme compared to WTRU 2 .
- the rule may specify that if WTRU 1 is authenticated, then WTRU 2 is also considered authenticated, but not vice versa.
- Such collection of authentication rules forms the authentication binding.
- This binding information is also stored in the WTRU database, which needs to be duplicated for service authorization as well.
- the security status 94 and security binding 96 of each WTRU is stored in the WTRU database (as shown in FIG. 4 ), which contains the user subscription profile 90 .
- This data will help facilitate the network to determine which WTRU should be used for which types of services. For example, for financial transactions, the WTRU with the highest level of security will be used. On the other hand, Internet browsing for stock quotes may be offered with lesser levels of security. In all cases, the network determines which particular WTRU or a sub-group of WTRUs must be used for providing authentication for the entire group.
Abstract
A system for supporting security and mobility management of wireless communications to multiple wireless transmit/receive units (WTRUs) includes a first database having a listing of each of the WTRUs along with their capabilities, and a second database having a listing of the location of each of the WTRUs. The second database has at least one subgroup which corresponds to at least two WTRUs which are co-located. The WTRUs in the subgroup are treated as a single WTRU for security and mobility management.
Description
- This application is a continuation of U.S. patent application Ser. No. 10/334,190, filed Dec. 30, 2002, which in turn claims priority from U.S. Provisional Patent Application Ser. No. 60/392,201 filed Jun. 28, 2002 which is incorporated by reference as if fully set forth.
- The present invention is directed to personal communication systems. More particularly, the invention is a system for facilitating personal communications of a user having multiple types of electronic devices.
- In view of the tremendous array of electronic devices currently available, individuals currently have multiple different types of equipment for fulfilling their communication needs. For example, a cell phone may be used for voice or data communications, a PDA for calendaring and appointments, a laptop for corporate and personal uses. Additional equipment may be located in an automobile, at work or at home. In the future, it is expected that the use of electronic communicating will only increase. Of particular interest is when some or all of the types of electronic devices are wireless devices.
- In such situations where numerous wireless electronic devices, (hereinafter wireless transmit/receive units or WTRUs), are utilized by a single user to communicate, several technical problems arise concerning: 1) efficiency of signal transmissions to the user; 2) simple and robust security procedures; and 3) mobility management. In prior art systems, each WTRU is treated as a separate entity with its own address and communications. Security associations as well as mobility management is done separately for each WTRU.
- With respect to the communication process, the traditional approach is to treat each WTRU as separate equipment with its own address and duplicate the communication processes, whether they be data transmission, user authentication or location updating. This results in reduced efficiency of the network due to multiple transmissions of user data; reduced user convenience due to multiple user authentications; increased signaling traffic; and inability to use smart routing algorithms due to separate location updating.
- It would be desirable to have a personal communication system which promotes efficiency for signal transmissions to the user by including a simple and robust security procedure and by providing simple mobility management.
- The present invention is a system for facilitating personal communications with multiple WTRUs. By treating all the WTRUs as a single group and by providing a single group identity, the present invention uses multicasting for efficient transmission. If multiple types of WTRUs have common applications, then a single transmission followed by local synchronization among the WTRUs is used to increase transmission efficiency. With respect to security, by binding the security associations together, redundant user authentications are avoided. Mobility management procedures such as location updating can be done in a combined manner, so that the signaling is reduced. Furthermore, combined mobility management allows optimal routing.
-
FIG. 1 is a diagram of a communications system made in accordance with the present invention. -
FIG. 2 illustrates WTRU grouping into group associations. -
FIG. 3 is a diagram of a WTRU database exemplifying possible information related to the WTRU grouping. -
FIG. 4 is a table having information associated with an individual WTRU. -
FIG. 5A-5D are diagrams of different types WTRU multicasting related to the WTRU grouping. - The present invention will be described with reference to the drawings figures wherein like numerals represent like elements throughout. Referring to
FIG. 1 , asystem 10 made in accordance with the present invention is shown. The system includes a plurality of WTRUs, (WTRU 1, WTRU 2, WTRU 3), a cellularwireless network 20, a WTRUdatabase 22, agateway router 24 and agateway switch 26. The cellularwireless network 20 will be described hereinafter as a single wireless network from a single wireless service provider for simplicity of explanation. However, it should be recognized by those of skill in the art that the cellular wireless network may comprise a plurality of wireless operators. Although this introduces all of the concerns currently associated with roaming, the solution of the present invention is directly applicable to a multiple wireless service provider implementation. In such an application, the WTRUdatabase 22 would be resident on the WTRU's home cellularwireless network 20. - The cellular
wireless network 20 provides a wireless interface between the wireless WTRUs and the common elements of the system, namely the WTRUdatabase 22, thegateway router 24 and thegateway switch 26. The WTRUdatabase 22 is coupled to the cellularwireless network 20, thegateway router 24 and thegateway switch 26. Thegateway router 24 provides an interface between the cellularwireless network 20 and theinternet 28. Thegateway switch 26 provides an interface between the cellularwireless network 20 and the public switch telephone network (PSTN) 30. As will be explained in detail hereinafter, the WTRUdatabase 22 operates in conjunction with thegateway router 24 and thegateway switch 26 to seamlessly integrate communications to a particular WTRU group. - As used hereinafter, a WTRU “group” may refer to the multiple WTRUs of a single user, or may refer to the WTRUs of multiple users to be treated similarly with respect to certain communications, such as multiple users of a corporation. As such, a WTRU may be associated with multiple WTRU groups. For example, as shown in
FIG. 2 , WTRU 1, WTRU 2 and WTRU 3 may be associated with WTRUgroup company 1. WTRU 1 may also be part of WTRUgroup association 1 along with WTRU 5 and WTRU 6. Likewise, WTRU 2 and WTRU 3 may be part of WTRUgroup association 2 along with WTRU 4. It should also be noted that although the WTRU groups are labeled as an association or a company, they may pertain to any group, subgroup, family or individual. Accordingly, the WTRUs may be the multiple electronic devices associated with a particular user. - The WTRU
database 22 will be described in more detail with reference toFIGS. 3 and 4 . The WTRU database comprises two basic portions; information related toWTRU groups 50 and information regardingindividual WTRUs 80. Referring toFIG. 3 , the portion of the WTRUdatabase 22 related to WTRUgroups 50 is shown. The WTRUgroup 50 information comprises agroup ID 52 and a listing of member WTRUs 54 that are associated with aparticular group ID 52. For example, referring back toFIG. 2 , WTRUgroup company 1 includes WTRU 1, WTRU 2 and WTRU 3. Accordingly, referring toFIG. 3 , thefirst group ID 52 which is listed ascompany 1 includes three member WTRUs 54 which are WTRU 1, WTRU 2 and WTRU 3, Likewise, each group which is pictorially referred to inFIG. 2 has an associatedgroup ID 52, a listing of member WTRUs 54 and proximity 56. As shown, there may be one or more member WTRUs 54 associated with asingle group ID 52. Additionally, each WTRU may be associated with one ormore group IDs 52. The proximity 56 column indicates that the member WTRUs are at the same location, such as in a car or office. - Referring to
FIG. 4 , the information associated with an individual WTRU 80 is shown. It should be noted that the information for anindividual WTRU 80 is associated with each WTRU. The WTRUinformation block 80 comprises a plurality ofattributes 82 along with thedetails 84 associated with each attribute. - Preferably, the
attribute 82 field includes theaddress 86, thebearer capabilities 88, theservice subscriptions 90, thelocation 92, thesecurity status 94, the security binding 96 and theWTRU connectivity 98. Theaddress 86 provides a unique identification to the WTRU 80. For example, the unique address may be a cellular phone number, and IP address or any other type of unique identification to which thecellular wireless network 20 can route a communication. Thebearer capabilities 88 by the types of radio interfaces supported, the data rate, QoS parameters, etc. Theservice subscriptions 90 identify the cellular wireless network provider services to which the WTRU has subscribed. Thelocation 92 provides the current location of theWTRU 80. - This
location 92 may be the specific geo-coordinates such as that available via the global positioning system (GPS). The location may also be at the cell level or the location area level whereby the cell or location of theWTRU 80 is provided. It should also be noted that unlike many of theother attributes 82 shown inFIG. 4 , thelocation 92 is preferably updated on a periodic basis as set by the user and/or the network, which may be “constantly” if overhead is not a concern or may be at successively lesser periodic intervals as overhead becomes a concern. The frequency of the updating may be dependent upon loading factors, whereby frequent updating may occur during low loading and less frequent updating my occur during high loading commissions. The recognizedWTRU 95 field includes the identification's of all the groups to which the device belongs. This entry should be checked periodically to ensure it properly reflects the entries inWTRU group database 22. - The
security status 94 includes the authentication and authorization status of theWTRU 80. Thestatus field 94 specifies whether or not the WTRU is authenticated by the network or networks. It also specifies if the WTRU has been verified to be authorized to access a particular service or services. The security binding 96 refers to the other WTRUs in the groups to which theWTRU 80 is associated. Binding is only within a group, not across differing groups. TheWTRU connectivity 98 describes the WTRUs to which theWTRU 80 is connected and characterizes each connection, such as whether the connection is Bluetooth, LAN, WAN or any other type of wireless or wired connection. - When a WTRU first accesses the network, it attempts to register with the network. During the registration process, all WTRU fields are updated including any binding data. Registration may only be performed during the initial contact or the system may allow for ongoing registration renewal.
- Although
FIG. 4 contains the list of the capabilities of each of the WTRU, it is intended that the present invention may also include other types and capabilities that are not listed therein. Theattributes 82 listed inFIG. 4 are not intended to be exhaustive. Additionally, the specific functions of which each WTRU is capable is not central to the present invention. Location can be in terms of: a) geo-coordinates, b) a particular cell and c) a location area which typically consist of more than one cells. Any of these implementations would be acceptable for the invention. - One or more sub-groups may be defined to take into account that some of the WTRUs may physically be in the same location. Association 354 is a
subgroup containing WTRU 5 andWTRU 6. If these two WTRUs are in the same approximate geographical location, in a car for example, the proximity indicator 56 forassociation 3 54 would be set to a “YES” in the WTRUindividual database 80. - Preferably, whenever a WTRU changes its location, it does a location update to the network. If location is defined as geo-coordinates, this could result in a lot of signaling overhead. Accordingly, the WTRU may alternatively report only at some regular intervals of time. More generally, location is defined in terms of a location area (LA). A “LA” may be defined in terms of one or more cells or a WLAN hotspot or even in terms of geographic map information. The idea of course is that many situations are common. Whenever, a WTRU crosses a LA boundary, it will initiate a location update. Since we are dealing with a group of WTRUs, the usual location updates will also have to deal with updating ‘connectivity status’ among the WTRUs. This connectivity is one of the attributes of the Group.
- Traditional mobility management involves location updates. In accordance with the present invention, location updating is generalized to include location updates to one or more of the separate WTRUs. As the physical grouping characteristics and/or the local connectivity of the WTRUs change, then the altered characteristics are updated as well. The gain in efficiency is achieved when at least two group members (WTRUs) are co-located allowing the signaling load to be reduced.
- The second facet of the invention deals with the sending of data from a network to one or more of the WTRUs. The present invention links WTRUs to groups and assigns addresses which are stored in a database.
- In a system with N wireless devices (WTRUs), each of these devices may be identified by addresses, such as WTRU1, D2 . . . Dn. The addresses allow packets or calls to be routed to the device. The addresses may be global, such as with IP addresses, telephone numbers, as per the International Telecommunication Union (ITU) recommendations, or may even be wireless network specific addresses which are not recognized outside of the wireless network.
- Within the wireless/cellular network, these N wireless devices are defined to be a logical group G1, with an ID. The ID may be a wireless network specific multicast address, which allows the packet to be routed or it may simply be a label or a name. The multicast address may also be an IP address. A particular wireless device may also belong to more than one group.
- The databases of the present invention, as described in the above paragraphs, contain numerous characteristics about each WTRU as well as entries about each WTRU group. An example of the database entry for a single WTRU is shown in
FIG. 4 . An example of the database entry for a Group is shown inFIG. 3 . It should be noted that inFIG. 4 , the WTRU entry contains the usual descriptors of the device itself as well as information relating to the logical binding and connectivity to the other devices within the group or groups to which it belongs. The logical binding information consists of security associations and other associations. An alternative method is to store the logical binding information in the group entry or both. - In an embodiment of the present invention, optimal routes are prepared for data packets or calls. First a Group ID, which is a wireless network specific label or name, is determined. An IP packet which is addressed to one of the WTRUs, for example an IP packet for WTRU1 arrives at the Gateway Router. The Gateway Router consults the WTRU database and determines that WTRU1 belongs to Group G1. The Group G1 also includes WTRU5 and WTRU6 as illustrated in
FIG. 2 . The connectivity among WTRU1, WTRU5 and WTRU6 is then determined. Based on the connectivity information, an optimal route is prepared. To illustrate the routing, assume that the link from the Gateway Router to WTRU1 is of poor quality, the link to WTRU5 is of a good quality, and the link between WTRU1 and WTRU5 has a known good quality connection between themselves for example, Bluetooth and the WTRUs are in close proximity. The Packet may then be routed to WTRU5 and then relayed to WTRU1. - In another embodiment in which the WTRU1 does not have enough memory to store the entire IP packet or packets. In this situation, the packet may be sent to WTRU6 where it is stored. An alert signal is sent to WTRU1, which is followed by a subsequent forwarding of the packet to WTRU1.
- In yet another embodiment is when a call comes in at the Gateway Switch destined to the device WTRU1. As in the first embodiment, assume that the link from Gateway Switch to WTRU1 is poor, the link to WTRU5 is good, and that WTRU1 and WTRU5 are well connected. The call is then forwarded to WTRU5 and relayed to WTRU1. In this embodiment the call or packet is not stored.
- Another aspect of the invention deals with Group ID in a wireless network, specifically the use of Multicast addressing. To illustrate, assume that an IP packet has arrived at the Gateway Router, and the IP packet is destined to WTRU-WTRU1. The Gateway Router consults the WTRU database and determines that WTRU1 belongs to G1. The Gateway Router extracts the multicast address of the group G1 and multicasts the IP packet to all the individual WTRUs. When the IP packet is received by one or more of the WTRUs of G1, a positive acknowledgement is sent back to the Gateway Router. If WTRU1 was not one of the WTRUs that successfully received the IP packet, the Gateway Router multicasts a message to the group G1, requesting that just received IP packet be forwarded to WTRU1 via local connections.
- When a packet of data is to be sent to one or more of the WTRUs, the network consults the
WTRU database 22 and determines an optimal way to route the packet to the destined WTRUs. - An embodiment shown in
FIG. 5A uses IP-multicasting or any other type of layer-2 multicasting procedures. An alternative embodiment shown inFIG. 5B sends the packet to one destined WTRU and then lets the local network, such as Bluetooth, send it to other devices. Another embodiment shown inFIG. 5C sends the packet to one WTRU and uses it to relay the packet to the other WTRUs in a chained or an ad-hoc manner. A fourth embodiment shown inFIG. 5D is to send the packet to one WTRU and send alert signals to the other destined WTRUs. In this embodiment, a packet is stored only at one location and its presence is made known to all other destined WTRUs via an alert signal. If the WTRU which has stored the packet is unavailable, (powered down for example), then a transfer of the packet to another WTRU is performed. Additionally, if the application for which the packet is destined is a shared application among multiple WTRUs, then appropriate synchronizations are made upon receipt of the packet. - In still yet another facet of the invention is the efficient security solutions pertaining to a group of WTRUs, which have a single group ID. One of the key security protocols is user authentication.
- One manifestation of this invention is that if one WTRU is authenticated, then all the remaining WTRUs in the group associated with the said first WTRU are also treated as being authenticated. Therefore, as soon as one WTRU is authenticated, its authentication status is updated in the WTRU database. At the same time, the authentication status of all remaining WTRUs is also updated. When all the WTRUs in the group become inactive, then the authentication status of all the WTRUs and hence the group is deactivated. In accordance with the present invention, if one WTRU is authenticated, then the entire group is authenticated. In most situations, different WTRUs will have varyingly security algorithms and procedures that may provide strong security for certain WTRUs or weak WTRUs for other WTRUs. For example, a laptop has a username-password authentication approach, compared to a cell phone which has a SIM approach.
- Accordingly, the binding of the authentication status of the WTRUs may be explicitly specified using a set of rules. For example, WTRU1 may have a strong authentication scheme compared to WTRU2. Then, the rule may specify that if WTRU1 is authenticated, then WTRU2 is also considered authenticated, but not vice versa. Such collection of authentication rules forms the authentication binding. This binding information is also stored in the WTRU database, which needs to be duplicated for service authorization as well.
- Accordingly, in one embodiment, the
security status 94 and security binding 96 of each WTRU is stored in the WTRU database (as shown inFIG. 4 ), which contains theuser subscription profile 90. This data will help facilitate the network to determine which WTRU should be used for which types of services. For example, for financial transactions, the WTRU with the highest level of security will be used. On the other hand, Internet browsing for stock quotes may be offered with lesser levels of security. In all cases, the network determines which particular WTRU or a sub-group of WTRUs must be used for providing authentication for the entire group. - Although the present invention has been described in detail, it is to be understood that the invention is not limited thereto, and that various changes can be made therein without departing from the spirit and scope of the invention, which is defined by the attached claims.
Claims (23)
1. A method for optimizing a communication between a network and a wireless transmit/receive unit (WTRU), the WTRU being associated with other WTRUs in a group, and the WTRUs in the group having a local connection with each other, the method comprising:
establishing a database containing information regarding capabilities of a WTRU and an association of the WTRU with other WTRUs in a group to which the WTRU belongs; and,
optimizing a transmission of data directed to the WTRU based on the WTRU capabilities and the association of the WTRU with other WTRUs in the group.
2. The method of claim 1 wherein the database contains information regarding addresses, bearer capabilities, service subscriptions, locations, security status, security binding, and WTRU connectivity.
3. The method of claim 1 wherein the step of optimizing a transmission comprises:
identifying a group identification (ID) of the group to which the WTRU belongs;
identifying the connectivity among WTRUs in the group; and,
finding a route for transmission of the data based on the connectivity.
4. The method of claim 3 wherein the data is first transmitted to one of the WTRUs in the group and the WTRU that received the data from the network transmits the data to other WTRUs in the group using the local connection.
5. The method of claim 4 wherein the WTRU that received the data from the network sends an alarm to other WTRUs in the group before sending the data to the other WTRUs.
6. The method of claim 3 wherein the data is first transmitted to one of the WTRUs in the group and the data is relayed from one WTRU to another WTRU in the group one by one.
7. The method of claim 6 wherein the data is stored in each WTRU until the last member of the group receives the data.
8. The method of claim 1 wherein the network considers a security status of each WTRU in the group as being verified once a security status of one WTRU in the group is verified.
9. The method of claim 1 wherein a location of the WTRU is updated in the database once a location of the WTRU changes.
10. A system for optimizing a communication between a network and a wireless transmit/receive unit (WTRU), the WTRU being associated to other WTRUs in a group to which the WTRU belongs, the system comprising:
a network comprising:
a database containing information regarding capabilities of a WTRU and an association of the WTRU with other WTRUs in a group to which the WTRU belongs;
means for optimizing a transmission of data directed to one of WTRUs in the group based on the capabilities of the WTRU and the association of the WTRU with other WTRUs in the group; and
a plurality of WTRUs, each WTRU configured to communicate with other WTRUs via a local connection.
11. The system of claim 10 wherein the database includes information regarding addresses, bearer capabilities, service subscriptions, locations, security status, security binding, and WTRU connectivity.
12. The system of claim 10 wherein the means for optimizing a transmission comprises:
means for identifying a group identification (ID) of a group to which the WTRU belongs;
means for identifying the connectivity among WTRUs in the group; and,
means for finding a route for transmission of the data based on the connectivity.
13. The system of claim 12 wherein the network is configured to first transmit data to one of the WTRUs in the group, and the WTRU that received the data from the network is configured to transmit the data to other WTRUs in the group using the local connection.
14. The system of claim 13 wherein the WTRU that received the data from the network is configured to send an alarm to other WTRUs in the group before sending the data to other WTRUs.
15. The system of claim 12 wherein the network is configured to first transmit data to one of the WTRUs in the group such that the data is relayed from one WTRU to another WTRU in the group one by one.
16. The system of claim 15 wherein the data is stored in each WTRU until the last member of the group receives the data.
17. The system of claim 10 wherein the network further comprises a means for checking a security status of a WTRU, whereby the network considers a security status of each WTRU in a group as being verified once a security status of one WTRU in the group is verified.
18. The system of claim 10 wherein each WTRU further comprises a means for updating the location of the WTRU in the database.
19. A network station for a wireless communication system comprising:
a database configured to contain information regarding capabilities of a wireless transmit/receive unit (WTRU) and an association of the WTRU with other WTRUs in a group to which the WTRU belongs; and
means for optimizing a transmission of data directed to one of WTRUs in the group based on the capabilities of the WTRU and the association of the WTRU with other WTRUs in the group.
20. The network station of claim 19 wherein the database is configured to include information regarding addresses, bearer capabilities, service subscriptions, locations, security status, security binding, and WTRU connectivity.
21. The network station of claim 19 wherein the means for optimizing a transmission comprises:
means for identifying a group identification (ID) of a group to which the WTRU belongs;
means for identifying the connectivity among WTRUs in the group; and
means for finding a route for transmission of the data based on the connectivity.
22. The network station of claim 19 wherein the means for optimizing a transmission is configured to transmit data to one of the WTRUs in the group such that the data is relayed from one WTRU to another WTRU in the group one by one.
23. The network station of claim 19 further comprising means for checking a security status of a WTRU, whereby a security status of each WTRU in a group is considered as being verified once a security status of one WTRU in the group is verified.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/929,132 US20050025135A1 (en) | 2002-06-28 | 2004-08-27 | System for facilitating personal communications with multiple wireless transmit/receive units |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US39220102P | 2002-06-28 | 2002-06-28 | |
US10/334,190 US6853628B2 (en) | 2002-06-28 | 2002-12-30 | System for facilitating personal communications with multiple wireless transmit/receive units |
US10/929,132 US20050025135A1 (en) | 2002-06-28 | 2004-08-27 | System for facilitating personal communications with multiple wireless transmit/receive units |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10/334,190 Continuation US6853628B2 (en) | 2002-06-28 | 2002-12-30 | System for facilitating personal communications with multiple wireless transmit/receive units |
Publications (1)
Publication Number | Publication Date |
---|---|
US20050025135A1 true US20050025135A1 (en) | 2005-02-03 |
Family
ID=29254308
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10/334,190 Expired - Fee Related US6853628B2 (en) | 2002-06-28 | 2002-12-30 | System for facilitating personal communications with multiple wireless transmit/receive units |
US10/929,132 Abandoned US20050025135A1 (en) | 2002-06-28 | 2004-08-27 | System for facilitating personal communications with multiple wireless transmit/receive units |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10/334,190 Expired - Fee Related US6853628B2 (en) | 2002-06-28 | 2002-12-30 | System for facilitating personal communications with multiple wireless transmit/receive units |
Country Status (15)
Country | Link |
---|---|
US (2) | US6853628B2 (en) |
EP (1) | EP1527572B1 (en) |
JP (1) | JP3889424B2 (en) |
KR (3) | KR100606224B1 (en) |
CN (1) | CN1663200A (en) |
AR (1) | AR040290A1 (en) |
AT (1) | ATE357795T1 (en) |
AU (1) | AU2003243698A1 (en) |
CA (1) | CA2490933C (en) |
DE (2) | DE60312697T2 (en) |
ES (1) | ES2285185T3 (en) |
MY (1) | MY133620A (en) |
NO (1) | NO20050233L (en) |
TW (4) | TW200503565A (en) |
WO (1) | WO2004004254A1 (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20060182126A1 (en) * | 2005-02-15 | 2006-08-17 | Matsushita Electric Industrial Co., Ltd. | Hybrid approach in design of networking strategies employing multi-hop and mobile infostation networks |
US20070124380A1 (en) * | 2005-11-23 | 2007-05-31 | Sun Microsystems, Inc. | Method and system for servicing requests in a dynamic cluster |
EP1875627A2 (en) * | 2005-04-25 | 2008-01-09 | Interdigital Technology Corporation | Method and system for efficient addressing and power savings in wireless systems |
US20120147889A1 (en) * | 2010-12-10 | 2012-06-14 | Electronics And Telecommunications Research Institute | Apparatus and method for virtualizing multiple terminals |
Families Citing this family (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7505426B2 (en) * | 2000-12-29 | 2009-03-17 | Tropos Networks | Multi-channel mesh network |
US20040215816A1 (en) * | 2002-12-16 | 2004-10-28 | Hayes Stephen T | Apparatus and methods for communication among devices |
BRPI0406665A (en) * | 2003-01-09 | 2005-12-06 | Thomson Licensing Sa | Method and equipment for mapping an mpeg transport stream to ip packets for wlan irradiation |
US6940844B2 (en) | 2003-10-17 | 2005-09-06 | Interdigital Technology Corporation | Method and apparatus for reporting WLAN capabilities of a dual mode GPRS/WLAN or UMTS/WLAN WTRU |
US7761092B2 (en) * | 2004-02-06 | 2010-07-20 | Sony Corporation | Systems and methods for communicating with multiple devices |
US7904113B2 (en) * | 2004-11-12 | 2011-03-08 | Interdigital Technology Corporation | Method and apparatus for detecting and selectively utilizing peripheral devices |
US7286056B2 (en) * | 2005-03-22 | 2007-10-23 | Lawrence Kates | System and method for pest detection |
US20080057294A1 (en) * | 2006-09-01 | 2008-03-06 | Fina Technology, Inc. | High impact polystyrene tile |
US8116748B2 (en) * | 2006-12-14 | 2012-02-14 | At&T Intellectual Property I, Lp | Management of locations of group members via mobile communications devices |
US20080147773A1 (en) * | 2006-12-14 | 2008-06-19 | Bellsouth Intellectual Property Corp. | Ratings systems via mobile communications devices |
US7738898B2 (en) * | 2006-12-14 | 2010-06-15 | At&T Intellectual Property I, L.P. | Methods and devices for mobile communication device group behavior |
US8566602B2 (en) | 2006-12-15 | 2013-10-22 | At&T Intellectual Property I, L.P. | Device, system and method for recording personal encounter history |
US7646297B2 (en) | 2006-12-15 | 2010-01-12 | At&T Intellectual Property I, L.P. | Context-detected auto-mode switching |
US8160548B2 (en) * | 2006-12-15 | 2012-04-17 | At&T Intellectual Property I, Lp | Distributed access control and authentication |
US20080146250A1 (en) * | 2006-12-15 | 2008-06-19 | Jeffrey Aaron | Method and System for Creating and Using a Location Safety Indicator |
US7930651B2 (en) * | 2007-01-18 | 2011-04-19 | Research In Motion Limited | Agenda display in an electronic device |
US8787884B2 (en) | 2007-01-25 | 2014-07-22 | At&T Intellectual Property I, L.P. | Advertisements for mobile communications devices via pre-positioned advertisement components |
US8649798B2 (en) * | 2007-01-25 | 2014-02-11 | At&T Intellectual Property I, L.P. | Methods and devices for attracting groups based upon mobile communications device location |
US20080183571A1 (en) * | 2007-01-30 | 2008-07-31 | Jeffrey Aaron | Methods and systems for provisioning and using an electronic coupon |
US8199003B2 (en) | 2007-01-30 | 2012-06-12 | At&T Intellectual Property I, Lp | Devices and methods for detecting environmental circumstances and responding with designated communication actions |
US8335504B2 (en) * | 2007-08-23 | 2012-12-18 | At&T Intellectual Property I, Lp | Methods, devices and computer readable media for providing quality of service indicators |
US9148889B2 (en) | 2009-06-01 | 2015-09-29 | Qualcomm Incorporated | Control of multiple radios using a database of interference-related information |
US9185718B2 (en) | 2009-06-29 | 2015-11-10 | Qualcomm Incorporated | Centralized coexistence manager for controlling operation of multiple radios |
US9135197B2 (en) | 2009-07-29 | 2015-09-15 | Qualcomm Incorporated | Asynchronous interface for multi-radio coexistence manager |
US9185719B2 (en) | 2009-08-18 | 2015-11-10 | Qualcomm Incorporated | Method and apparatus for mapping applications to radios in a wireless communication device |
US9130656B2 (en) | 2010-10-13 | 2015-09-08 | Qualcomm Incorporated | Multi-radio coexistence |
KR101813058B1 (en) | 2011-06-30 | 2017-12-28 | 삼성전자 주식회사 | Method for processing signal of devices of user in mobile communication system |
US9819560B2 (en) * | 2014-12-24 | 2017-11-14 | Mediatek Inc. | Dynamic data distribution method in private network and associated electronic device |
Citations (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5727057A (en) * | 1994-12-27 | 1998-03-10 | Ag Communication Systems Corporation | Storage, transmission, communication and access to geographical positioning data linked with standard telephony numbering and encoded for use in telecommunications and related services |
US5748736A (en) * | 1996-06-14 | 1998-05-05 | Mittra; Suvo | System and method for secure group communications via multicast or broadcast |
US5893091A (en) * | 1997-04-11 | 1999-04-06 | Immediata Corporation | Multicasting with key words |
US5956636A (en) * | 1996-07-16 | 1999-09-21 | At&T Wireless Services Inc. | Method and system for automatic activation of a wireless device |
US5960341A (en) * | 1994-09-28 | 1999-09-28 | U S West, Inc. | Positioning system having an RF-measurements databank |
US6141347A (en) * | 1998-08-26 | 2000-10-31 | Motorola, Inc. | Wireless communication system incorporating multicast addressing and method for use |
US6151514A (en) * | 1998-04-22 | 2000-11-21 | Nortel Networks Corporation | Method and apparatus for normalizing DTMF messages from a cellular mobile station |
US6249516B1 (en) * | 1996-12-06 | 2001-06-19 | Edwin B. Brownrigg | Wireless network gateway and method for providing same |
US6304556B1 (en) * | 1998-08-24 | 2001-10-16 | Cornell Research Foundation, Inc. | Routing and mobility management protocols for ad-hoc networks |
US6307929B1 (en) * | 2000-04-26 | 2001-10-23 | Lucent Technologies Inc. | Apparatus, method and system for providing conditional answering in multiple leg telecommunication sessions |
US6311063B1 (en) * | 1997-12-10 | 2001-10-30 | Mci Communications Corporation | Method of and system for emulation of multiple subscriber profiles on a single mobile phone in a wireless telecommunications network |
US20010036224A1 (en) * | 2000-02-07 | 2001-11-01 | Aaron Demello | System and method for the delivery of targeted data over wireless networks |
US6480713B2 (en) * | 2000-12-06 | 2002-11-12 | Xybernaut Corporation | System and method of accessing and recording messages at coordinate way points |
US6519098B2 (en) * | 1995-09-12 | 2003-02-11 | Olympus Optical Co., Ltd. | Objective lens system |
US6577609B2 (en) * | 2000-09-29 | 2003-06-10 | Symbol Technologies, Inc. | Local addressing of mobile units in a WLAN with multicast packet addressing |
US6594703B1 (en) * | 1999-06-02 | 2003-07-15 | Yunzhou Li | Apparatus and method of minimizing internal multicast traffic |
US6606706B1 (en) * | 1999-02-08 | 2003-08-12 | Nortel Networks Limited | Hierarchical multicast traffic security system in an internetwork |
US6654602B1 (en) * | 2000-04-14 | 2003-11-25 | Gte Wireless Service Corporation | Services for subscriber units with dissimilar service configuration capabilities |
US6681107B2 (en) * | 2000-12-06 | 2004-01-20 | Xybernaut Corporation | System and method of accessing and recording messages at coordinate way points |
US6882856B1 (en) * | 2000-04-20 | 2005-04-19 | Motorola, Inc. | Method for dynamically configuring group calls in a radio system |
US6978136B2 (en) * | 2002-07-15 | 2005-12-20 | Motorola, Inc. | Method and wireless device for establishing a communication interface for a communication session |
US6993327B2 (en) * | 2001-10-29 | 2006-01-31 | Motorola, Inc. | Multicast distribution of presence information for an instant messaging system |
US7042988B2 (en) * | 2001-09-28 | 2006-05-09 | Bluesocket, Inc. | Method and system for managing data traffic in wireless networks |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6556820B1 (en) * | 1998-12-16 | 2003-04-29 | Nokia Corporation | Mobility management for terminals with multiple subscriptions |
GB9930087D0 (en) * | 1999-12-20 | 2000-02-09 | Nokia Networks Oy | Profile splitting |
US6591098B1 (en) * | 2000-11-07 | 2003-07-08 | At&T Wireless Services, Inc. | System and method for using a temporary electronic serial number for over-the-air activation of a mobile device |
-
2002
- 2002-12-30 US US10/334,190 patent/US6853628B2/en not_active Expired - Fee Related
-
2003
- 2003-06-20 TW TW093105010A patent/TW200503565A/en unknown
- 2003-06-20 TW TW092116912A patent/TWI264209B/en not_active IP Right Cessation
- 2003-06-20 AT AT03761970T patent/ATE357795T1/en not_active IP Right Cessation
- 2003-06-20 CA CA002490933A patent/CA2490933C/en not_active Expired - Fee Related
- 2003-06-20 AU AU2003243698A patent/AU2003243698A1/en not_active Abandoned
- 2003-06-20 EP EP03761970A patent/EP1527572B1/en not_active Expired - Lifetime
- 2003-06-20 TW TW095120455A patent/TW200715882A/en unknown
- 2003-06-20 CN CN038149761A patent/CN1663200A/en active Pending
- 2003-06-20 ES ES03761970T patent/ES2285185T3/en not_active Expired - Lifetime
- 2003-06-20 KR KR1020047021308A patent/KR100606224B1/en not_active IP Right Cessation
- 2003-06-20 JP JP2004517725A patent/JP3889424B2/en not_active Expired - Fee Related
- 2003-06-20 DE DE60312697T patent/DE60312697T2/en not_active Expired - Lifetime
- 2003-06-20 WO PCT/US2003/019568 patent/WO2004004254A1/en active IP Right Grant
- 2003-06-25 TW TW092211637U patent/TW587886U/en not_active IP Right Cessation
- 2003-06-27 MY MYPI20032426A patent/MY133620A/en unknown
- 2003-06-27 AR ARP030102327A patent/AR040290A1/en active IP Right Grant
- 2003-06-27 DE DE20309953U patent/DE20309953U1/en not_active Expired - Lifetime
- 2003-06-28 KR KR20-2003-0020585U patent/KR200332330Y1/en not_active IP Right Cessation
-
2004
- 2004-08-27 US US10/929,132 patent/US20050025135A1/en not_active Abandoned
- 2004-10-26 KR KR1020040085678A patent/KR100659005B1/en not_active IP Right Cessation
-
2005
- 2005-01-14 NO NO20050233A patent/NO20050233L/en not_active Application Discontinuation
Patent Citations (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5960341A (en) * | 1994-09-28 | 1999-09-28 | U S West, Inc. | Positioning system having an RF-measurements databank |
US5727057A (en) * | 1994-12-27 | 1998-03-10 | Ag Communication Systems Corporation | Storage, transmission, communication and access to geographical positioning data linked with standard telephony numbering and encoded for use in telecommunications and related services |
US6519098B2 (en) * | 1995-09-12 | 2003-02-11 | Olympus Optical Co., Ltd. | Objective lens system |
US5748736A (en) * | 1996-06-14 | 1998-05-05 | Mittra; Suvo | System and method for secure group communications via multicast or broadcast |
US5956636A (en) * | 1996-07-16 | 1999-09-21 | At&T Wireless Services Inc. | Method and system for automatic activation of a wireless device |
US6249516B1 (en) * | 1996-12-06 | 2001-06-19 | Edwin B. Brownrigg | Wireless network gateway and method for providing same |
US5893091A (en) * | 1997-04-11 | 1999-04-06 | Immediata Corporation | Multicasting with key words |
US6311063B1 (en) * | 1997-12-10 | 2001-10-30 | Mci Communications Corporation | Method of and system for emulation of multiple subscriber profiles on a single mobile phone in a wireless telecommunications network |
US6151514A (en) * | 1998-04-22 | 2000-11-21 | Nortel Networks Corporation | Method and apparatus for normalizing DTMF messages from a cellular mobile station |
US6304556B1 (en) * | 1998-08-24 | 2001-10-16 | Cornell Research Foundation, Inc. | Routing and mobility management protocols for ad-hoc networks |
US6141347A (en) * | 1998-08-26 | 2000-10-31 | Motorola, Inc. | Wireless communication system incorporating multicast addressing and method for use |
US6606706B1 (en) * | 1999-02-08 | 2003-08-12 | Nortel Networks Limited | Hierarchical multicast traffic security system in an internetwork |
US6594703B1 (en) * | 1999-06-02 | 2003-07-15 | Yunzhou Li | Apparatus and method of minimizing internal multicast traffic |
US20010036224A1 (en) * | 2000-02-07 | 2001-11-01 | Aaron Demello | System and method for the delivery of targeted data over wireless networks |
US6654602B1 (en) * | 2000-04-14 | 2003-11-25 | Gte Wireless Service Corporation | Services for subscriber units with dissimilar service configuration capabilities |
US6882856B1 (en) * | 2000-04-20 | 2005-04-19 | Motorola, Inc. | Method for dynamically configuring group calls in a radio system |
US6307929B1 (en) * | 2000-04-26 | 2001-10-23 | Lucent Technologies Inc. | Apparatus, method and system for providing conditional answering in multiple leg telecommunication sessions |
US6577609B2 (en) * | 2000-09-29 | 2003-06-10 | Symbol Technologies, Inc. | Local addressing of mobile units in a WLAN with multicast packet addressing |
US6480713B2 (en) * | 2000-12-06 | 2002-11-12 | Xybernaut Corporation | System and method of accessing and recording messages at coordinate way points |
US6681107B2 (en) * | 2000-12-06 | 2004-01-20 | Xybernaut Corporation | System and method of accessing and recording messages at coordinate way points |
US7042988B2 (en) * | 2001-09-28 | 2006-05-09 | Bluesocket, Inc. | Method and system for managing data traffic in wireless networks |
US6993327B2 (en) * | 2001-10-29 | 2006-01-31 | Motorola, Inc. | Multicast distribution of presence information for an instant messaging system |
US6978136B2 (en) * | 2002-07-15 | 2005-12-20 | Motorola, Inc. | Method and wireless device for establishing a communication interface for a communication session |
Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20060182126A1 (en) * | 2005-02-15 | 2006-08-17 | Matsushita Electric Industrial Co., Ltd. | Hybrid approach in design of networking strategies employing multi-hop and mobile infostation networks |
US10206168B2 (en) | 2005-04-25 | 2019-02-12 | Interdigital Technology Corporation | Method and apparatus for efficient addressing and power savings in wireless communications |
US11889414B2 (en) | 2005-04-25 | 2024-01-30 | Interdigital Technology Corporation | Method and apparatus for efficient addressing and power savings in wireless communications |
EP1875627A2 (en) * | 2005-04-25 | 2008-01-09 | Interdigital Technology Corporation | Method and system for efficient addressing and power savings in wireless systems |
EP1875627A4 (en) * | 2005-04-25 | 2012-05-02 | Interdigital Tech Corp | Method and system for efficient addressing and power savings in wireless systems |
US11399342B2 (en) | 2005-04-25 | 2022-07-26 | Interdigital Technology Corporation | Method and apparatus for efficient addressing and power savings in wireless communications |
US10681631B2 (en) | 2005-04-25 | 2020-06-09 | Interdigial Technology Corporation | Method and apparatus for efficient addressing and power savings in wireless communications |
US9042290B2 (en) | 2005-04-25 | 2015-05-26 | Interdigital Technology Corporation | Method and apparatus for efficient addressing and power savings in wireless communications |
US9693303B2 (en) | 2005-04-25 | 2017-06-27 | Interdigital Technology Corporation | Method and apparatus for efficient addressing and power savings in wireless communications |
US7743167B2 (en) * | 2005-11-23 | 2010-06-22 | Oracle America, Inc. | Method and system for servicing requests in a dynamic cluster |
US20070124380A1 (en) * | 2005-11-23 | 2007-05-31 | Sun Microsystems, Inc. | Method and system for servicing requests in a dynamic cluster |
US8817791B2 (en) * | 2010-12-10 | 2014-08-26 | Electronics And Telecommunications Research Institute | Apparatus and method for virtualizing multiple terminals |
US20120147889A1 (en) * | 2010-12-10 | 2012-06-14 | Electronics And Telecommunications Research Institute | Apparatus and method for virtualizing multiple terminals |
Also Published As
Publication number | Publication date |
---|---|
TW587886U (en) | 2004-05-11 |
AU2003243698A1 (en) | 2004-01-19 |
JP3889424B2 (en) | 2007-03-07 |
CA2490933C (en) | 2007-10-09 |
TWI264209B (en) | 2006-10-11 |
EP1527572B1 (en) | 2007-03-21 |
EP1527572A1 (en) | 2005-05-04 |
DE60312697D1 (en) | 2007-05-03 |
DE60312697T2 (en) | 2007-12-06 |
TW200715882A (en) | 2007-04-16 |
TW200503565A (en) | 2005-01-16 |
CA2490933A1 (en) | 2004-01-08 |
US20040001457A1 (en) | 2004-01-01 |
DE20309953U1 (en) | 2003-10-09 |
ES2285185T3 (en) | 2007-11-16 |
NO20050233L (en) | 2005-01-14 |
MY133620A (en) | 2007-11-30 |
JP2005531981A (en) | 2005-10-20 |
US6853628B2 (en) | 2005-02-08 |
CN1663200A (en) | 2005-08-31 |
KR100606224B1 (en) | 2006-07-31 |
ATE357795T1 (en) | 2007-04-15 |
KR20040094661A (en) | 2004-11-10 |
KR100659005B1 (en) | 2006-12-21 |
EP1527572A4 (en) | 2005-08-03 |
AR040290A1 (en) | 2005-03-23 |
TW200401553A (en) | 2004-01-16 |
WO2004004254A1 (en) | 2004-01-08 |
KR20050010980A (en) | 2005-01-28 |
KR200332330Y1 (en) | 2003-11-07 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US6853628B2 (en) | System for facilitating personal communications with multiple wireless transmit/receive units | |
US7313628B2 (en) | Protocol to determine optimal target access routers for seamless IP-level handover | |
US7171199B1 (en) | Method and system for directing a data message in a wireless communications network including multiple wireless systems | |
AU673690B2 (en) | Method for call establishment | |
US5742598A (en) | Network for efficiently locating resources and routing service requests received from individual node connections | |
US7133670B1 (en) | Roaming agreement application and database for carrying out roaming between private and public wireless networks | |
US20050130634A1 (en) | Location awareness in wireless networks | |
US20050135305A1 (en) | Automatic peer discovery | |
US7050416B2 (en) | Technique for IP communication among wireless devices | |
US6223035B1 (en) | Method and apparatus for providing a subscriber record for packet data registration of a mobile station | |
AU2002311540A1 (en) | Protocol to determine optimal target access routers for seamless IP-level handover | |
JP2002525933A (en) | Data network computing device call processing | |
AU1064299A (en) | Crimped multicomponent filaments and spunbond webs made therefrom | |
US6151495A (en) | GRAN access port addressing method and apparatus | |
JP2007028233A (en) | Wireless lan system | |
US20030048762A1 (en) | Seamless integrated network system for wireless communication systems | |
JP2007028234A (en) | Wireless lan system | |
JP2007028231A (en) | Wireless lan system | |
JPH11225363A (en) | Mobile communication system |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
STCB | Information on status: application discontinuation |
Free format text: ABANDONED -- FAILURE TO PAY ISSUE FEE |