TWI364920B - Soft handoff of a cdma reverse link - Google Patents

Soft handoff of a cdma reverse link Download PDF

Info

Publication number
TWI364920B
TWI364920B TW096120422A TW96120422A TWI364920B TW I364920 B TWI364920 B TW I364920B TW 096120422 A TW096120422 A TW 096120422A TW 96120422 A TW96120422 A TW 96120422A TW I364920 B TWI364920 B TW I364920B
Authority
TW
Taiwan
Prior art keywords
base station
reverse link
channel
code
signal
Prior art date
Application number
TW096120422A
Other languages
English (en)
Chinese (zh)
Other versions
TW200824320A (en
Inventor
Jr James A Proctor
Original Assignee
Ipr Licensing 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 Ipr Licensing Inc filed Critical Ipr Licensing Inc
Publication of TW200824320A publication Critical patent/TW200824320A/zh
Application granted granted Critical
Publication of TWI364920B publication Critical patent/TWI364920B/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
    • 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. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—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. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—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)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Superconductors And Manufacturing Methods Therefor (AREA)
  • Wire Bonding (AREA)
TW096120422A 2002-11-20 2003-11-19 Soft handoff of a cdma reverse link TWI364920B (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
TW200824320A TW200824320A (en) 2008-06-01
TWI364920B true TWI364920B (en) 2012-05-21

Family

ID=32326600

Family Applications (4)

Application Number Title Priority Date Filing Date
TW096120422A TWI364920B (en) 2002-11-20 2003-11-19 Soft handoff of a cdma reverse link
TW092132400A TWI357730B (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
TW100114978A TWI470946B (zh) 2002-11-20 2003-11-19 無線用戶單元及軟性交接方法

Family Applications After (3)

Application Number Title Priority Date Filing Date
TW092132400A TWI357730B (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
TW100114978A TWI470946B (zh) 2002-11-20 2003-11-19 無線用戶單元及軟性交接方法

Country Status (10)

Country Link
EP (1) EP1565995A4 (fr)
JP (1) JP2006506917A (fr)
KR (2) KR101047967B1 (fr)
CN (1) CN1714516B (fr)
AU (1) AU2003294428A1 (fr)
CA (1) CA2506754A1 (fr)
MX (1) MXPA05005395A (fr)
NO (2) NO338063B1 (fr)
TW (4) TWI364920B (fr)
WO (1) WO2004046893A2 (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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
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
PL2329629T3 (pl) 2008-08-20 2013-08-30 Qualcomm Inc Przesunięcie wieloramek pomiędzy sąsiednimi komórkami dla poprawy wydajności sygnalizacji sieci GERAN przy stosowanym sterowaniu mocą sygnalizacji
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
KR100419409B1 (ko) * 2000-06-24 2004-02-19 삼성전자주식회사 동기 부호분할다중접속 통신시스템의 역방향 동기 전송방식에 대한 동기화를 위한 장치 및 방법
US7006428B2 (en) * 2000-07-19 2006-02-28 Ipr Licensing, Inc. Method for allowing multi-user orthogonal and non-orthogonal interoperability of code channels
JP4825372B2 (ja) * 2000-08-09 2011-11-30 エスケーテレコム株式会社 逆方向同期伝送方式を支援する無線通信システムにおけるハンドオーバ方法
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
CA2506754A1 (fr) 2004-06-03
KR20050085092A (ko) 2005-08-29
EP1565995A4 (fr) 2006-12-06
TW200824320A (en) 2008-06-01
KR101047967B1 (ko) 2011-07-12
TW201206095A (en) 2012-02-01
NO338063B1 (no) 2016-07-25
WO2004046893A2 (fr) 2004-06-03
MXPA05005395A (es) 2005-11-23
NO20052945D0 (no) 2005-06-16
TW201521368A (zh) 2015-06-01
TWI470946B (zh) 2015-01-21
WO2004046893A3 (fr) 2004-10-28
TWI539762B (zh) 2016-06-21
NO20160875A1 (no) 2005-08-17
CN1714516A (zh) 2005-12-28
KR20070055642A (ko) 2007-05-30
AU2003294428A1 (en) 2004-06-15
TWI357730B (en) 2012-02-01
TW200419952A (en) 2004-10-01
AU2003294428A8 (en) 2004-06-15
CN1714516B (zh) 2011-06-08
EP1565995A2 (fr) 2005-08-24
KR101019460B1 (ko) 2011-03-07
JP2006506917A (ja) 2006-02-23
NO342812B1 (no) 2018-08-13
NO20052945L (no) 2005-08-17

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TWI364920B (en) Soft handoff of a cdma reverse link
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