TW200419952A - Soft handoff of a CDMA reverse link - Google Patents

Soft handoff of a CDMA reverse link

Info

Publication number
TW200419952A
TW200419952A TW092132400A TW92132400A TW200419952A TW 200419952 A TW200419952 A TW 200419952A TW 092132400 A TW092132400 A TW 092132400A TW 92132400 A TW92132400 A TW 92132400A TW 200419952 A TW200419952 A TW 200419952A
Authority
TW
Taiwan
Prior art keywords
timing
base station
reverse link
soft handoff
subscriber unit
Prior art date
Application number
TW092132400A
Other languages
English (en)
Other versions
TWI357730B (en
Inventor
James A Proctor Jr
Original Assignee
Tantivy Comm Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Tantivy Comm Inc filed Critical Tantivy Comm Inc
Publication of TW200419952A publication Critical patent/TW200419952A/zh
Application granted granted Critical
Publication of TWI357730B publication Critical patent/TWI357730B/zh

Links

Classifications

    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
    • H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
    • H04B7/2628—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile using code-division multiple access [CDMA] or spread spectrum multiple access [SSMA]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H04J13/0007—Code type
    • H04J13/0022—PN, e.g. Kronecker
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H04W52/06—TPC algorithms
    • H04W52/14—Separate analysis of uplink or downlink
    • H04W52/146—Uplink power control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H04W52/38—TPC being performed in particular situations
    • H04W52/40—TPC being performed in particular situations during macro-diversity or soft handoff
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • H04W56/001—Synchronization between nodes
    • H04W56/002—Mutual synchronization
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • H04W56/004—Synchronisation arrangements compensating for timing error of reception due to propagation delay
    • H04W56/0045—Synchronisation arrangements compensating for timing error of reception due to propagation delay compensating for timing error by altering transmission time

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Superconductors And Manufacturing Methods Therefor (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Wire Bonding (AREA)
TW092132400A 2002-11-20 2003-11-19 Soft handoff of a cdma reverse link TWI357730B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US42784702P 2002-11-20 2002-11-20

Publications (2)

Publication Number Publication Date
TW200419952A true TW200419952A (en) 2004-10-01
TWI357730B TWI357730B (en) 2012-02-01

Family

ID=32326600

Family Applications (4)

Application Number Title Priority Date Filing Date
TW092132400A TWI357730B (en) 2002-11-20 2003-11-19 Soft handoff of a cdma reverse link
TW100114978A TWI470946B (zh) 2002-11-20 2003-11-19 無線用戶單元及軟性交接方法
TW096120422A TWI364920B (en) 2002-11-20 2003-11-19 Soft handoff of a cdma reverse link
TW103124639A TWI539762B (zh) 2002-11-20 2003-11-19 分碼多路接取反向鏈路之軟性交接操作

Family Applications After (3)

Application Number Title Priority Date Filing Date
TW100114978A TWI470946B (zh) 2002-11-20 2003-11-19 無線用戶單元及軟性交接方法
TW096120422A TWI364920B (en) 2002-11-20 2003-11-19 Soft handoff of a cdma reverse link
TW103124639A TWI539762B (zh) 2002-11-20 2003-11-19 分碼多路接取反向鏈路之軟性交接操作

Country Status (10)

Country Link
EP (1) EP1565995A4 (zh)
JP (1) JP2006506917A (zh)
KR (2) KR101047967B1 (zh)
CN (1) CN1714516B (zh)
AU (1) AU2003294428A1 (zh)
CA (1) CA2506754A1 (zh)
MX (1) MXPA05005395A (zh)
NO (2) NO338063B1 (zh)
TW (4) TWI357730B (zh)
WO (1) WO2004046893A2 (zh)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7911993B2 (en) 2000-07-19 2011-03-22 Ipr Licensing, Inc. Method and apparatus for allowing soft handoff of a CDMA reverse link utilizing an orthogonal channel structure
US8537656B2 (en) 2000-07-19 2013-09-17 Ipr Licensing, Inc. Method for compensating for multi-path of a CDMA reverse link utilizing an orthogonal channel structure
US6917581B2 (en) 2001-07-17 2005-07-12 Ipr Licensing, Inc. Use of orthogonal or near orthogonal codes in reverse link
US7821995B2 (en) * 2004-09-30 2010-10-26 Alcatel-Lucent Usa Inc. Active session mobility solution for radio link protocol
PT2329629E (pt) * 2008-08-20 2013-06-24 Qualcomm Inc Deslocamento de múltiplas tramas entre células vizinhas, para melhorar o desempenho da sinalização geran quando se utiliza controlo de potência para sinalização
FR2942097A1 (fr) * 2009-02-06 2010-08-13 Thomson Licensing Procede d'emission dans un reseau sans fil et procede de reception correspondant
DK2430869T3 (da) 2009-05-11 2014-01-13 Qualcomm Inc Tidsforskydning af datatransmissioner på samme kanal for at reducere samme kanals interferens
JP5479553B2 (ja) * 2012-09-20 2014-04-23 京セラ株式会社 通信方法およびそれを利用した端末装置

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5101501A (en) 1989-11-07 1992-03-31 Qualcomm Incorporated Method and system for providing a soft handoff in communications in a cdma cellular telephone system
US5103459B1 (en) * 1990-06-25 1999-07-06 Qualcomm Inc System and method for generating signal waveforms in a cdma cellular telephone system
JP2677191B2 (ja) * 1994-03-15 1997-11-17 日本電気株式会社 Ｃｄｍａ通信方式
ZA955605B (en) * 1994-07-13 1996-04-10 Qualcomm Inc System and method for simulating user interference received by subscriber units in a spread spectrum communication network
US5691974A (en) * 1995-01-04 1997-11-25 Qualcomm Incorporated Method and apparatus for using full spectrum transmitted power in a spread spectrum communication system for tracking individual recipient phase, time and energy
JPH1013918A (ja) * 1996-06-19 1998-01-16 Toshiba Corp 符号分割多元接続方式を採用した移動通信システムとその無線通信装置
JPH1022874A (ja) * 1996-07-09 1998-01-23 Hitachi Ltd Ｃｄｍａ通信システムおよび通信方法
JPH1028077A (ja) * 1996-07-11 1998-01-27 Takuro Sato 通信装置
US5937019A (en) 1996-08-07 1999-08-10 Qualcomm Incorporated Method and apparatus for reliable intersystem handoff in a CDMA system
KR100407355B1 (ko) * 1998-02-14 2004-04-03 삼성전자주식회사 이동통신시스템의역방향링크시간정렬장치및방법
US5956641A (en) * 1998-03-30 1999-09-21 Motorola, Inc. System and method for facilitating a handoff of at least one mobile unit in a telecommunication system
JP2000278759A (ja) * 1999-03-26 2000-10-06 Oki Electric Ind Co Ltd 送信タイミング制御装置
JP2000286784A (ja) * 1999-03-31 2000-10-13 Oki Electric Ind Co Ltd 無線端末、無線基地局、及び無線通信システム
ES2173717T3 (es) * 1999-04-30 2002-10-16 Cit Alcatel Metodo de entrega suave en cdma utilizando mediciones de enlace ascendente.
JP2001016159A (ja) * 1999-06-28 2001-01-19 Fujitsu Ltd 基地局及び移動局
US8099122B1 (en) * 2000-06-05 2012-01-17 Qualcomm Incorporated Method and apparatus for improved forward link power control while in soft handoff
DE60134107D1 (de) * 2000-06-24 2008-07-03 Samsung Electronics Co Ltd Vorrichtung und verfahren zur synchronisation eines synchronen übertragungsverfahren in aufwärtsrichtung in einem cdma-kommunikationssystem
US7006428B2 (en) * 2000-07-19 2006-02-28 Ipr Licensing, Inc. Method for allowing multi-user orthogonal and non-orthogonal interoperability of code channels
DE60104243T2 (de) * 2000-08-09 2006-06-14 Sk Telecom Co Weiterreichungsverfahren in drahtlosen Telekommunikationssystemen mit USTS Unterstützung
US7054292B2 (en) * 2000-10-27 2006-05-30 L-3 Communications Corporation Hybrid synchronous space/code multiple access system using an adaptive antenna system
US6930470B2 (en) * 2001-03-01 2005-08-16 Nortel Networks Limited System and method for code division multiple access communication in a wireless communication environment
US6917581B2 (en) * 2001-07-17 2005-07-12 Ipr Licensing, Inc. Use of orthogonal or near orthogonal codes in reverse link

Also Published As

Publication number Publication date
WO2004046893A3 (en) 2004-10-28
NO20052945D0 (no) 2005-06-16
TWI364920B (en) 2012-05-21
TW201521368A (zh) 2015-06-01
TWI470946B (zh) 2015-01-21
TWI539762B (zh) 2016-06-21
TW201206095A (en) 2012-02-01
KR20050085092A (ko) 2005-08-29
AU2003294428A8 (en) 2004-06-15
EP1565995A2 (en) 2005-08-24
NO338063B1 (no) 2016-07-25
NO20052945L (no) 2005-08-17
NO342812B1 (no) 2018-08-13
TW200824320A (en) 2008-06-01
NO20160875A1 (no) 2005-08-17
JP2006506917A (ja) 2006-02-23
CN1714516A (zh) 2005-12-28
CA2506754A1 (en) 2004-06-03
CN1714516B (zh) 2011-06-08
EP1565995A4 (en) 2006-12-06
AU2003294428A1 (en) 2004-06-15
TWI357730B (en) 2012-02-01
MXPA05005395A (es) 2005-11-23
KR20070055642A (ko) 2007-05-30
KR101019460B1 (ko) 2011-03-07
KR101047967B1 (ko) 2011-07-12
WO2004046893A2 (en) 2004-06-03

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Legal Events

Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees