WO2004025975A3 - Cellular network handoff decision mechanism - Google Patents
Cellular network handoff decision mechanism Download PDFInfo
- Publication number
- WO2004025975A3 WO2004025975A3 PCT/US2003/028353 US0328353W WO2004025975A3 WO 2004025975 A3 WO2004025975 A3 WO 2004025975A3 US 0328353 W US0328353 W US 0328353W WO 2004025975 A3 WO2004025975 A3 WO 2004025975A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- interval
- determining
- handoff decision
- signal strength
- cellular network
- Prior art date
Links
- 230000001413 cellular effect Effects 0.000 title abstract 3
- 238000012935 Averaging Methods 0.000 abstract 3
- 238000005070 sampling Methods 0.000 abstract 3
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/24—Reselection being triggered by specific parameters
- H04W36/30—Reselection being triggered by specific parameters by measured or perceived connection quality data
- H04W36/302—Reselection being triggered by specific parameters by measured or perceived connection quality data due to low signal strength
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/24—Reselection being triggered by specific parameters
- H04W36/32—Reselection being triggered by specific parameters by location or mobility data, e.g. speed data
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/24—Reselection being triggered by specific parameters
- H04W36/30—Reselection being triggered by specific parameters by measured or perceived connection quality data
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/24—Reselection being triggered by specific parameters
- H04W36/32—Reselection being triggered by specific parameters by location or mobility data, e.g. speed data
- H04W36/322—Reselection being triggered by specific parameters by location or mobility data, e.g. speed data by location data
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/16—Performing reselection for specific purposes
- H04W36/18—Performing reselection for specific purposes for allowing seamless reselection, e.g. soft reselection
Abstract
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2003270499A AU2003270499A1 (en) | 2002-09-11 | 2003-09-11 | Cellular network handoff decision mechanism |
US11/075,983 US7218933B2 (en) | 2002-09-11 | 2005-03-10 | Cellular network handoff decision mechanism |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US40957402P | 2002-09-11 | 2002-09-11 | |
US60/409,574 | 2002-09-11 | ||
US41344802P | 2002-09-26 | 2002-09-26 | |
US60/413,448 | 2002-09-26 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US11/075,983 Continuation US7218933B2 (en) | 2002-09-11 | 2005-03-10 | Cellular network handoff decision mechanism |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2004025975A2 WO2004025975A2 (en) | 2004-03-25 |
WO2004025975A3 true WO2004025975A3 (en) | 2004-06-10 |
Family
ID=31997831
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2003/028353 WO2004025975A2 (en) | 2002-09-11 | 2003-09-11 | Cellular network handoff decision mechanism |
Country Status (3)
Country | Link |
---|---|
US (1) | US7218933B2 (en) |
AU (1) | AU2003270499A1 (en) |
WO (1) | WO2004025975A2 (en) |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8160020B2 (en) | 2001-06-25 | 2012-04-17 | Airvana Network Solutions, Inc. | Radio network control |
US8195187B2 (en) | 2001-06-25 | 2012-06-05 | Airvana Network Solutions, Inc. | Radio network control |
US7016673B2 (en) * | 2002-10-01 | 2006-03-21 | Interdigital Technology Corporation | Wireless communication method and system with controlled WTRU peer-to-peer communications |
TWI269551B (en) * | 2004-07-02 | 2006-12-21 | Groundhog Technologies Taiwan | Method for detecting and reducing ping-pong handover effect of cellular network |
US7821997B2 (en) | 2005-03-15 | 2010-10-26 | Nokia Corporation | Computer implemented method, system, and intergrated circuitry for determining a characteristic of a received signal to have fallen beneth a threshold |
US8099504B2 (en) | 2005-06-24 | 2012-01-17 | Airvana Network Solutions, Inc. | Preserving sessions in a wireless network |
US20060291420A1 (en) * | 2005-06-27 | 2006-12-28 | Dennis Ng | Network-initiated dormant handoffs |
US7751835B2 (en) | 2005-10-04 | 2010-07-06 | Airvana, Inc. | Non-circular paging areas |
US8619702B2 (en) | 2005-12-16 | 2013-12-31 | Ericsson Evdo Inc. | Radio network control |
US8094630B2 (en) * | 2005-12-16 | 2012-01-10 | Airvana Network Solutions, Inc. | Radio frequency dragging prevention |
US8145221B2 (en) | 2005-12-16 | 2012-03-27 | Airvana Network Solutions, Inc. | Radio network communication |
US8085696B2 (en) | 2006-07-14 | 2011-12-27 | Airvana Networks Solutions, Inc. | Dynamic modification of route update protocols |
US20080232326A1 (en) * | 2007-03-19 | 2008-09-25 | Bengt Lindoff | Method and Apparatus for Reducing Interference in Wireless Communication Networks by Enabling More Opportune Handover |
US8843638B2 (en) | 2007-12-13 | 2014-09-23 | Ericsson Evdo Inc. | Handing off active connections |
US8711768B2 (en) * | 2008-01-16 | 2014-04-29 | Qualcomm Incorporated | Serving base station selection based on backhaul capability |
US8055256B2 (en) * | 2008-05-30 | 2011-11-08 | Motorola Mobility, Inc. | Method and apparatus for selecting scanning rates in a multi-mode communication device |
US9521565B2 (en) * | 2008-11-17 | 2016-12-13 | Qualcomm Incorporated | Declaring radio link failure based on target-specific threshold |
US9155014B2 (en) | 2008-11-17 | 2015-10-06 | Qualcomm Incorporated | Conditional access terminal initiation of delayed handover |
CN102647766B (en) * | 2011-02-21 | 2014-07-16 | 鼎桥通信技术有限公司 | Method and device for migrating user in high-speed rail communication network |
CN103178927B (en) * | 2011-12-22 | 2016-05-18 | 中国电信股份有限公司 | Select to activate the method and apparatus of pilot signal |
WO2015168911A1 (en) * | 2014-05-08 | 2015-11-12 | 华为技术有限公司 | Apparatus and method for controlling soft switch proportion |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5995836A (en) * | 1997-12-24 | 1999-11-30 | Telefonaktiebolaget Lm Ericsson | Method and system for variable handoff hysteresis in a radiocommunication system |
US6049715A (en) * | 1994-06-01 | 2000-04-11 | Nortel Networks Corporation | Method and apparatus for evaluating a received signal in a wireless communication utilizing long and short term values |
US6320855B1 (en) * | 1999-09-09 | 2001-11-20 | Qualcom Incorporated | Method and system for initiating idle handoff in a wireless communications system |
US20020082012A1 (en) * | 2000-12-22 | 2002-06-27 | Shu-Shaw Wang | Apparatus, and associated method, for adaptively selecting a handoff threshold in a radio communication system |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5940452A (en) * | 1995-11-29 | 1999-08-17 | Motorola, Inc. | Dual mode radio subscriber unit having a diversity receiver apparatus and method therefor |
US5940761A (en) * | 1997-01-15 | 1999-08-17 | Qaulcomm Incorporated | Method and apparatus for performing mobile assisted hard handoff between communication systems |
US5999816A (en) * | 1997-02-18 | 1999-12-07 | Qualcomm Incorporated | Method and apparatus for performing mobile assisted hard handoff between communication systems |
US6307849B1 (en) * | 1997-09-08 | 2001-10-23 | Qualcomm Incorporated | Method and system for changing forward traffic channel power allocation during soft handoff |
KR100258222B1 (en) * | 1997-11-29 | 2000-06-01 | 서평원 | A handoff guard channel setting method of base station |
JP3967472B2 (en) * | 1998-09-07 | 2007-08-29 | 富士通株式会社 | CDMA receiver |
US6240291B1 (en) * | 1999-09-09 | 2001-05-29 | The Board Of Trustees Of The Leland Stamford Junior University | Method for handoff in wireless communication systems using pattern recognition |
US7006841B2 (en) * | 2000-12-20 | 2006-02-28 | Lucent Technologies Inc | Method to control base station transmit power drift during soft handoffs |
-
2003
- 2003-09-11 AU AU2003270499A patent/AU2003270499A1/en not_active Abandoned
- 2003-09-11 WO PCT/US2003/028353 patent/WO2004025975A2/en not_active Application Discontinuation
-
2005
- 2005-03-10 US US11/075,983 patent/US7218933B2/en not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6049715A (en) * | 1994-06-01 | 2000-04-11 | Nortel Networks Corporation | Method and apparatus for evaluating a received signal in a wireless communication utilizing long and short term values |
US5995836A (en) * | 1997-12-24 | 1999-11-30 | Telefonaktiebolaget Lm Ericsson | Method and system for variable handoff hysteresis in a radiocommunication system |
US6320855B1 (en) * | 1999-09-09 | 2001-11-20 | Qualcom Incorporated | Method and system for initiating idle handoff in a wireless communications system |
US20020082012A1 (en) * | 2000-12-22 | 2002-06-27 | Shu-Shaw Wang | Apparatus, and associated method, for adaptively selecting a handoff threshold in a radio communication system |
Also Published As
Publication number | Publication date |
---|---|
US7218933B2 (en) | 2007-05-15 |
US20050181795A1 (en) | 2005-08-18 |
WO2004025975A2 (en) | 2004-03-25 |
AU2003270499A1 (en) | 2004-04-30 |
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