ATE397327T1 - Verfahren und vorrichtung zur effizienten walsh- kodierung und summierung von signalen in einem kommunikationssystem - Google Patents

Verfahren und vorrichtung zur effizienten walsh- kodierung und summierung von signalen in einem kommunikationssystem

Info

Publication number
ATE397327T1
ATE397327T1 AT01979316T AT01979316T ATE397327T1 AT E397327 T1 ATE397327 T1 AT E397327T1 AT 01979316 T AT01979316 T AT 01979316T AT 01979316 T AT01979316 T AT 01979316T AT E397327 T1 ATE397327 T1 AT E397327T1
Authority
AT
Austria
Prior art keywords
block
phase
signals
data
data symbols
Prior art date
Application number
AT01979316T
Other languages
English (en)
Inventor
Nikolai Schlegel
James Hurt
Original Assignee
Qualcomm 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 Qualcomm Inc filed Critical Qualcomm Inc
Application granted granted Critical
Publication of ATE397327T1 publication Critical patent/ATE397327T1/de

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69—Spread spectrum techniques
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H04J13/0007—Code type
    • H04J13/004—Orthogonal
    • H04J13/0048—Walsh
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M13/00—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
    • H03M13/27—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes using interleaving techniques
    • H03M13/2703—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes using interleaving techniques the interleaver involving at least two directions

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Probability & Statistics with Applications (AREA)
  • Theoretical Computer Science (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Error Detection And Correction (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Radio Relay Systems (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
AT01979316T 2000-09-29 2001-09-27 Verfahren und vorrichtung zur effizienten walsh- kodierung und summierung von signalen in einem kommunikationssystem ATE397327T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/676,346 US6847677B1 (en) 2000-09-29 2000-09-29 Method and apparatus for efficient Walsh covering and summing of signals in a communication system

Publications (1)

Publication Number Publication Date
ATE397327T1 true ATE397327T1 (de) 2008-06-15

Family

ID=24714158

Family Applications (1)

Application Number Title Priority Date Filing Date
AT01979316T ATE397327T1 (de) 2000-09-29 2001-09-27 Verfahren und vorrichtung zur effizienten walsh- kodierung und summierung von signalen in einem kommunikationssystem

Country Status (11)

Country Link
US (2) US6847677B1 (de)
EP (1) EP1320940B1 (de)
JP (1) JP4913312B2 (de)
KR (1) KR100838959B1 (de)
CN (1) CN100474785C (de)
AT (1) ATE397327T1 (de)
AU (1) AU2002211290A1 (de)
BR (1) BR0114239A (de)
DE (1) DE60134244D1 (de)
TW (1) TW510090B (de)
WO (1) WO2002027959A2 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6731668B2 (en) * 2001-01-05 2004-05-04 Qualcomm Incorporated Method and system for increased bandwidth efficiency in multiple input—multiple output channels
US7158556B2 (en) * 2002-04-29 2007-01-02 Qualcomm, Incorporated Reliable conveyance of orthogonal space information
US7161971B2 (en) * 2002-04-29 2007-01-09 Qualcomm, Incorporated Sending transmission format information on dedicated channels
KR100526541B1 (ko) * 2003-02-28 2005-11-08 삼성전자주식회사 이동통신 시스템의 기지국 모뎀에서 심볼 버퍼 메모리장치 및 방법
US20100015979A1 (en) * 2005-11-28 2010-01-21 Kyocera Corporation Communication Method, Mobile Terminal and Base Station
CA2892508A1 (en) 2012-11-26 2014-05-30 Adc Telecommunications, Inc. Timeslot mapping and/or aggregation element for digital radio frequency transport architecture

Family Cites Families (20)

* 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
IL111469A0 (en) 1993-11-01 1994-12-29 Omnipoint Corp Despreading/demodulating direct sequence spread spectrum signals
KR960003102B1 (ko) * 1993-12-01 1996-03-04 재단법인 한국전자통신연구소 씨.디.엠.에이(cdma) 이동통신 기지국 변조장치의 채널 변조회로 및 그를 이용한 변조장치
US5710768A (en) 1994-09-30 1998-01-20 Qualcomm Incorporated Method of searching for a bursty signal
JPH0955714A (ja) * 1995-08-11 1997-02-25 Sharp Corp スペクトル拡散通信システム
US5926500A (en) * 1996-05-28 1999-07-20 Qualcomm Incorporated Reduced peak-to-average transmit power high data rate CDMA wireless communication system
US5950131A (en) * 1996-10-29 1999-09-07 Motorola, Inc. Method and apparatus for fast pilot channel acquisition using a matched filter in a CDMA radiotelephone
US6185199B1 (en) * 1997-07-23 2001-02-06 Qualcomm Inc. Method and apparatus for data transmission using time gated frequency division duplexing
KR100269593B1 (ko) * 1997-12-02 2000-10-16 정선종 다중 채널을 위한 직교 복소 확산 방법 및 그 장치
CN1243360A (zh) * 1998-04-08 2000-02-02 朗迅科技公司 使用扩展代码组的数字调制系统
US6445714B1 (en) * 1998-08-19 2002-09-03 Nortel Networks Limited Code generator for multiple correlators
JP4332270B2 (ja) * 1998-12-17 2009-09-16 ノーテル・ネットワークス・リミテッド 伝送遅延を判定する装置およびその方法
US6721349B1 (en) * 1999-01-28 2004-04-13 Qualcomm Incorporated Method and apparatus for reducing peak-to-average ratio in a CDMA communication system
WO2001056240A1 (en) * 2000-01-28 2001-08-02 Morphics Technology Inc. Apparatus and method for sub-chip offset correlation in spread-spectrum communication systems
US7233627B2 (en) 2000-02-23 2007-06-19 Ipr Licensing, Inc. Method for searching pilot signals to synchronize a CDMA receiver with an associated transmitter
US6522683B1 (en) * 2000-08-10 2003-02-18 Qualcomm, Incorporated Method and apparatus for adaptive linear equalization for walsh covered modulation
JP4265864B2 (ja) * 2000-08-15 2009-05-20 富士通株式会社 同期追跡回路
US6639907B2 (en) 2000-09-26 2003-10-28 Qualcomm, Incorporated Method and apparatus for processing paging indicator bits transmitted on a quick paging channel
US6975584B1 (en) * 2000-09-29 2005-12-13 Qualcomm, Incorporated Communication system method and apparatus

Also Published As

Publication number Publication date
CN100474785C (zh) 2009-04-01
US6847677B1 (en) 2005-01-25
JP4913312B2 (ja) 2012-04-11
WO2002027959A3 (en) 2002-08-29
US7940832B2 (en) 2011-05-10
BR0114239A (pt) 2006-09-12
WO2002027959A2 (en) 2002-04-04
JP2004515093A (ja) 2004-05-20
KR20030034231A (ko) 2003-05-01
EP1320940A2 (de) 2003-06-25
EP1320940B1 (de) 2008-05-28
KR100838959B1 (ko) 2008-06-16
DE60134244D1 (de) 2008-07-10
CN1541455A (zh) 2004-10-27
AU2002211290A1 (en) 2002-04-08
TW510090B (en) 2002-11-11
US20050201448A1 (en) 2005-09-15

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Legal Events

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