DE69836843D1 - Quadratur Spreizspektrumsignaldemodulation - Google Patents

Quadratur Spreizspektrumsignaldemodulation

Info

Publication number
DE69836843D1
DE69836843D1 DE69836843T DE69836843T DE69836843D1 DE 69836843 D1 DE69836843 D1 DE 69836843D1 DE 69836843 T DE69836843 T DE 69836843T DE 69836843 T DE69836843 T DE 69836843T DE 69836843 D1 DE69836843 D1 DE 69836843D1
Authority
DE
Germany
Prior art keywords
spread spectrum
spectrum signal
signal demodulation
quadrature spread
quadrature
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.)
Expired - Lifetime
Application number
DE69836843T
Other languages
English (en)
Other versions
DE69836843T2 (de
Inventor
Jun Iwasaki
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.)
Sony Corp
Original Assignee
Sony Corp
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 Sony Corp filed Critical Sony Corp
Application granted granted Critical
Publication of DE69836843D1 publication Critical patent/DE69836843D1/de
Publication of DE69836843T2 publication Critical patent/DE69836843T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • H04B1/707—Spread spectrum techniques using direct sequence modulation
    • H04B1/7073—Synchronisation aspects
    • 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
    • H04B1/707—Spread spectrum techniques using direct sequence modulation
    • 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
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H04J13/10—Code generation

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Logic Circuits (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
DE1998636843 1997-01-21 1998-01-20 Quadratur Spreizspektrumsignaldemodulation Expired - Lifetime DE69836843T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP891997 1997-01-21
JP00891997A JP3796870B2 (ja) 1997-01-21 1997-01-21 受信装置及び受信方法、並びに携帯電話システムの端末装置

Publications (2)

Publication Number Publication Date
DE69836843D1 true DE69836843D1 (de) 2007-02-22
DE69836843T2 DE69836843T2 (de) 2007-10-18

Family

ID=11706075

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1998636843 Expired - Lifetime DE69836843T2 (de) 1997-01-21 1998-01-20 Quadratur Spreizspektrumsignaldemodulation

Country Status (6)

Country Link
US (1) US6084851A (de)
EP (1) EP0854586B1 (de)
JP (1) JP3796870B2 (de)
KR (1) KR100522103B1 (de)
CN (1) CN1115817C (de)
DE (1) DE69836843T2 (de)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6173007B1 (en) 1997-01-15 2001-01-09 Qualcomm Inc. High-data-rate supplemental channel for CDMA telecommunications system
JPH10210139A (ja) * 1997-01-20 1998-08-07 Sony Corp 音声記録機能付き電話装置及び音声記録機能付き電話装置の音声記録方法
JP2901585B1 (ja) * 1998-03-20 1999-06-07 埼玉日本電気株式会社 無線通信システム並びにこのシステムに使用する送信装置及び受信装置
FR2783113B1 (fr) * 1998-09-04 2006-08-04 Commissariat Energie Atomique Procede de reception de signaux amrc avec synchronisation obtenue par double multiplication retardee et recepteur correspondant
CA2349222C (en) * 1998-11-17 2005-12-06 Samsung Electronics Co., Ltd. Channel spreading device and method for cdma communication system
JP3116923B2 (ja) * 1998-11-25 2000-12-11 日本電気株式会社 周波数拡散変調回路
KR100354164B1 (ko) * 1999-01-30 2002-09-28 엘지전자 주식회사 신호 복조 장치
KR100442607B1 (ko) * 1999-02-04 2004-08-02 삼성전자주식회사 이동통신시스템의 채널확산 장치 및 방법
JP4360739B2 (ja) * 1999-05-24 2009-11-11 株式会社アドバンテスト 直交復調装置、方法、記録媒体
US6625637B1 (en) * 1999-12-09 2003-09-23 Koninklijke Philips Electronics N.V. Method and apparatus for synthesizing communication support based on communication types of application
KR100322744B1 (ko) * 2000-01-11 2002-02-07 윤종용 코드분할다중접속 신호의 역확산 장치 및 방법
AUPR206300A0 (en) 2000-12-13 2001-01-11 Advanced Communications Technologies (Australia) Pty Ltd A method for quadrature spreading
JP4572482B2 (ja) * 2001-04-11 2010-11-04 株式会社デンソー Ｃｄｍａ方式の無線通信機の復調装置
KR100887691B1 (ko) * 2003-02-28 2009-03-11 엠스타 소프트웨어 알앤디 (센젠) 리미티드 신호들에 확산 코드들을 적용
KR100835637B1 (ko) * 2004-03-19 2008-06-05 주식회사 현대오토넷 음성 신호 처리 장치 및 그 동작방법
WO2006079948A1 (en) * 2005-01-31 2006-08-03 Nxp B.V. Method and apparatus for despread data in wireless communication system
CN101142755B (zh) * 2005-01-31 2015-08-26 Nxp股份有限公司 在无线通信系统中对数据进行解扩的方法和设备
EP1724602B1 (de) * 2005-05-10 2014-04-23 STMicroelectronics (Research & Development) Limited System, Ortungsgerät und Verfahren zur Signalakquisition
KR20100014285A (ko) * 2006-12-06 2010-02-10 지티이 코포레이션 직교 의사 랜덤 노이즈의 역확산 방법

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2844271B2 (ja) * 1991-05-29 1999-01-06 日本無線株式会社 スペクトル拡散通信装置
JPH05175938A (ja) * 1991-12-20 1993-07-13 Clarion Co Ltd スペクトラム拡散受信装置
JP2771757B2 (ja) * 1992-06-29 1998-07-02 三菱電機株式会社 スペクトル拡散通信用受信装置のデータ復調回路
US5329547A (en) * 1993-03-11 1994-07-12 Motorola, Inc. Method and apparatus for coherent communication in a spread-spectrum communication system
US5305349A (en) * 1993-04-29 1994-04-19 Ericsson Ge Mobile Communications Inc. Quantized coherent rake receiver
US5414728A (en) * 1993-11-01 1995-05-09 Qualcomm Incorporated Method and apparatus for bifurcating signal transmission over in-phase and quadrature phase spread spectrum communication channels
JP2605615B2 (ja) * 1993-12-30 1997-04-30 日本電気株式会社 スペクトラム拡散受信機
KR950035142A (ko) * 1994-03-10 1995-12-30 가나미야지 준 수신장치, 기지국 수신 시스템 및 이동국 수신시스템
JP3202125B2 (ja) * 1994-03-10 2001-08-27 沖電気工業株式会社 符号分割多元接続システム

Also Published As

Publication number Publication date
JP3796870B2 (ja) 2006-07-12
CN1194519A (zh) 1998-09-30
EP0854586A2 (de) 1998-07-22
DE69836843T2 (de) 2007-10-18
CN1115817C (zh) 2003-07-23
EP0854586B1 (de) 2007-01-10
JPH10209917A (ja) 1998-08-07
KR19980070609A (ko) 1998-10-26
EP0854586A3 (de) 2003-05-14
KR100522103B1 (ko) 2006-01-12
US6084851A (en) 2000-07-04

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