CA2506754A1 - Soft handoff of a cdma reverse link - Google Patents

Soft handoff of a cdma reverse link Download PDF

Info

Publication number
CA2506754A1
CA2506754A1 CA002506754A CA2506754A CA2506754A1 CA 2506754 A1 CA2506754 A1 CA 2506754A1 CA 002506754 A CA002506754 A CA 002506754A CA 2506754 A CA2506754 A CA 2506754A CA 2506754 A1 CA2506754 A1 CA 2506754A1
Authority
CA
Canada
Prior art keywords
base station
timing
reverse link
subscriber unit
signal
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
Application number
CA002506754A
Other languages
English (en)
French (fr)
Inventor
James A. Proctor, Jr.
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
IPR Licensing Inc
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2506754A1 publication Critical patent/CA2506754A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/24Radio transmission systems, i.e. using radiation field for communication between two or more posts
    • H04B7/26Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
    • H04B7/2628Radio 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]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04JMULTIPLEX COMMUNICATION
    • H04J13/00Code division multiplex systems
    • H04J13/0007Code type
    • H04J13/0022PN, e.g. Kronecker
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W36/00Hand-off or reselection arrangements
    • H04W36/16Performing reselection for specific purposes
    • H04W36/18Performing reselection for specific purposes for allowing seamless reselection, e.g. soft reselection
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W52/00Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04TPC
    • H04W52/06TPC algorithms
    • H04W52/14Separate analysis of uplink or downlink
    • H04W52/146Uplink power control
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W52/00Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04TPC
    • H04W52/38TPC being performed in particular situations
    • H04W52/40TPC being performed in particular situations during macro-diversity or soft handoff
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W56/00Synchronisation arrangements
    • H04W56/001Synchronization between nodes
    • H04W56/002Mutual synchronization
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W56/00Synchronisation arrangements
    • H04W56/004Synchronisation arrangements compensating for timing error of reception due to propagation delay
    • H04W56/0045Synchronisation 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)
CA002506754A 2002-11-20 2003-11-20 Soft handoff of a cdma reverse link Abandoned CA2506754A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US42784702P 2002-11-20 2002-11-20
US60/427,847 2002-11-20
PCT/US2003/037272 WO2004046893A2 (en) 2002-11-20 2003-11-20 Soft handoff of a cdma reverse link

Publications (1)

Publication Number Publication Date
CA2506754A1 true CA2506754A1 (en) 2004-06-03

Family

ID=32326600

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002506754A Abandoned CA2506754A1 (en) 2002-11-20 2003-11-20 Soft handoff of a cdma reverse link

Country Status (10)

Country Link
EP (1) EP1565995A4 (ko)
JP (1) JP2006506917A (ko)
KR (2) KR101019460B1 (ko)
CN (1) CN1714516B (ko)
AU (1) AU2003294428A1 (ko)
CA (1) CA2506754A1 (ko)
MX (1) MXPA05005395A (ko)
NO (2) NO338063B1 (ko)
TW (4) TWI470946B (ko)
WO (1) WO2004046893A2 (ko)

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
US8948031B2 (en) 2008-08-20 2015-02-03 Qualcomm Incorporated Multiple-frame offset between neighbor cells to enhance the GERAN signaling performance when power control for signaling is in use
FR2942097A1 (fr) 2009-02-06 2010-08-13 Thomson Licensing Procede d'emission dans un reseau sans fil et procede de reception correspondant
ES2439796T3 (es) 2009-05-11 2014-01-24 Qualcomm Incorporated Desplazamiento temporal de transmisiones de datos cocanal para reducir la interferencia cocanal
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
DE69900938T2 (de) * 1999-04-30 2003-01-16 Alcatel, Paris Weiches Übergabeverfahren für CDMA unter Verwendung von Rückkanal Messdaten
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
JP3730217B2 (ja) * 2000-06-24 2005-12-21 サムスン エレクトロニクス カンパニー リミテッド 符号分割多重接続通信システムにおけるアップリンク同期伝送方式の同期化のための装置及び方法
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
TW200419952A (en) 2004-10-01
WO2004046893A2 (en) 2004-06-03
NO20052945D0 (no) 2005-06-16
NO20160875A1 (no) 2005-08-17
CN1714516A (zh) 2005-12-28
AU2003294428A8 (en) 2004-06-15
TWI357730B (en) 2012-02-01
KR101047967B1 (ko) 2011-07-12
CN1714516B (zh) 2011-06-08
TW201521368A (zh) 2015-06-01
TWI470946B (zh) 2015-01-21
NO338063B1 (no) 2016-07-25
TWI364920B (en) 2012-05-21
EP1565995A4 (en) 2006-12-06
KR101019460B1 (ko) 2011-03-07
EP1565995A2 (en) 2005-08-24
AU2003294428A1 (en) 2004-06-15
NO342812B1 (no) 2018-08-13
TW200824320A (en) 2008-06-01
TW201206095A (en) 2012-02-01
KR20050085092A (ko) 2005-08-29
MXPA05005395A (es) 2005-11-23
NO20052945L (no) 2005-08-17
KR20070055642A (ko) 2007-05-30
JP2006506917A (ja) 2006-02-23
TWI539762B (zh) 2016-06-21
WO2004046893A3 (en) 2004-10-28

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Legal Events

Date Code Title Description
EEER Examination request
FZDE Discontinued

Effective date: 20190917