DE69735077D1 - Spreizspektrumübertragungsgerät - Google Patents

Spreizspektrumübertragungsgerät

Info

Publication number
DE69735077D1
DE69735077D1 DE69735077T DE69735077T DE69735077D1 DE 69735077 D1 DE69735077 D1 DE 69735077D1 DE 69735077 T DE69735077 T DE 69735077T DE 69735077 T DE69735077 T DE 69735077T DE 69735077 D1 DE69735077 D1 DE 69735077D1
Authority
DE
Germany
Prior art keywords
spreizspektrumübertragungsgerät
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 - Fee Related
Application number
DE69735077T
Other languages
English (en)
Other versions
DE69735077T2 (de
Inventor
Naoki Okamoto
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.)
Sharp Corp
Original Assignee
Sharp 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 Sharp Corp filed Critical Sharp Corp
Publication of DE69735077D1 publication Critical patent/DE69735077D1/de
Application granted granted Critical
Publication of DE69735077T2 publication Critical patent/DE69735077T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • 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
    • 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
    • H04B1/7097—Interference-related 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
    • H04B1/7097—Interference-related aspects
    • H04B1/7103—Interference-related aspects the interference being multiple access interference
    • H04B1/7107—Subtractive interference cancellation
    • 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]

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Radio Transmission System (AREA)
DE1997635077 1996-03-05 1997-03-05 Spreizspektrumübertragungsgerät Expired - Fee Related DE69735077T2 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP4711896 1996-03-05
JP4711896 1996-03-05
JP1013597 1997-01-23
JP1013597A JP3337613B2 (ja) 1996-03-05 1997-01-23 スペクトル拡散通信システム

Publications (2)

Publication Number Publication Date
DE69735077D1 true DE69735077D1 (de) 2006-04-06
DE69735077T2 DE69735077T2 (de) 2006-08-24

Family

ID=26345344

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1997635077 Expired - Fee Related DE69735077T2 (de) 1996-03-05 1997-03-05 Spreizspektrumübertragungsgerät

Country Status (4)

Country Link
US (1) US5949816A (de)
EP (1) EP0794627B1 (de)
JP (1) JP3337613B2 (de)
DE (1) DE69735077T2 (de)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3585333B2 (ja) * 1996-12-26 2004-11-04 松下電器産業株式会社 Ｃｄｍａ基地局装置
JP3242856B2 (ja) * 1997-02-17 2001-12-25 シャープ株式会社 スペクトル直接拡散通信システム
JPH10262029A (ja) 1997-03-18 1998-09-29 Sharp Corp 遅延多重方式対応スペクトル直接拡散通信システム及び該システムを用いる通信方法
JP3242860B2 (ja) 1997-04-08 2001-12-25 シャープ株式会社 スペクトル直接拡散通信システムにおける相関同期回路
JP3408944B2 (ja) 1997-04-24 2003-05-19 シャープ株式会社 スペクトル直接拡散通信システムにおける復調装置及び同システムにおける相関器
JP3325812B2 (ja) 1997-09-22 2002-09-17 シャープ株式会社 スペクトル直接拡散通信システムにおけるクロック再生回路
JP3891373B2 (ja) * 1998-03-26 2007-03-14 ソニー株式会社 復調装置及び復調方法
JP3031351B2 (ja) * 1998-09-24 2000-04-10 日本電気株式会社 Ｃｄｍａ受信装置及びそれに用いるパス検出方法並びにその制御プログラムを記録した記録媒体
JP3264259B2 (ja) * 1998-12-10 2002-03-11 日本電気株式会社 Ｃｄｍａ受信装置
JP3322243B2 (ja) 1999-06-30 2002-09-09 日本電気株式会社 直接拡散ｃｄｍａ受信機
US6683924B1 (en) * 1999-10-19 2004-01-27 Ericsson Inc. Apparatus and methods for selective correlation timing in rake receivers
US6859484B2 (en) * 1999-12-27 2005-02-22 Nec Corporation Transmission diversity detection circuit and detection method
JP3673700B2 (ja) * 2000-06-27 2005-07-20 株式会社日立製作所 スペクトル拡散信号を用いた測距及び位置測定方法、その方法を行う装置
JP3468509B2 (ja) * 2000-08-22 2003-11-17 Ｎｅｃマイクロシステム株式会社 ページングモード制御方法
US7769078B2 (en) * 2000-12-22 2010-08-03 Telefonaktiebolaget Lm Ericsson (Publ) Apparatus, methods and computer program products for delay selection in a spread-spectrum receiver
JP3581357B2 (ja) * 2002-05-22 2004-10-27 松下電器産業株式会社 通信端末装置及び拡散コード推定方法
EP1643669B1 (de) 2003-08-12 2018-02-21 Godo Kaisha IP Bridge 1 Funkkommunikationsvorrichtung und verfahren zum senden von pilotsymbolen
US7702338B2 (en) * 2004-09-29 2010-04-20 Qualcomm Incorporated Method for finding the location of a mobile terminal in a cellular radio system
EP1777545A1 (de) * 2005-10-24 2007-04-25 Mitsubishi Electric Information Technology Centre Europe B.V. Objekterkennung

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2803237B2 (ja) * 1989-11-07 1998-09-24 ダイキン工業株式会社 データ伝送方法およびその装置
JP2896817B2 (ja) * 1990-06-14 1999-05-31 クラリオン株式会社 スペクトラム拡散通信装置
DE4202786A1 (de) * 1991-01-31 1992-09-03 Clarion Co Ltd Spreizspektrum-kommunikationsanordnung
JPH04360434A (ja) * 1991-06-07 1992-12-14 Canon Inc スペクトル拡散送信装置及びスペクトル拡散受信装置
JP3179554B2 (ja) * 1992-03-06 2001-06-25 株式会社リコー スペクトラム拡散通信システム
JP2982504B2 (ja) * 1992-07-31 1999-11-22 日本電気株式会社 適応受信機
JP2605648B2 (ja) * 1994-12-22 1997-04-30 日本電気株式会社 Ｓｓ受信機における逆拡散符号位相検出装置
JP2697648B2 (ja) * 1994-12-26 1998-01-14 日本電気株式会社 判定帰還形等化器
JP2751869B2 (ja) * 1995-04-28 1998-05-18 日本電気株式会社 送信ダイバシティ方式
US5960028A (en) * 1995-08-11 1999-09-28 Sharp Kabushiki Kaisha Spread spectrum communication system
JP2858561B2 (ja) * 1996-05-30 1999-02-17 日本電気株式会社 デジタルｄｌｌ回路

Also Published As

Publication number Publication date
US5949816A (en) 1999-09-07
EP0794627A2 (de) 1997-09-10
JP3337613B2 (ja) 2002-10-21
JPH09298491A (ja) 1997-11-18
DE69735077T2 (de) 2006-08-24
EP0794627B1 (de) 2006-01-11
EP0794627A3 (de) 1999-11-17

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee