DE69900302D1 - Empfänger und Verfahren für CDMA Übertragung mit verbessertem Wegsucher - Google Patents

Empfänger und Verfahren für CDMA Übertragung mit verbessertem Wegsucher

Info

Publication number
DE69900302D1
DE69900302D1 DE69900302T DE69900302T DE69900302D1 DE 69900302 D1 DE69900302 D1 DE 69900302D1 DE 69900302 T DE69900302 T DE 69900302T DE 69900302 T DE69900302 T DE 69900302T DE 69900302 D1 DE69900302 D1 DE 69900302D1
Authority
DE
Germany
Prior art keywords
receiver
cdma transmission
path finder
improved path
improved
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
DE69900302T
Other languages
English (en)
Other versions
DE69900302T2 (de
Inventor
Elie Bejjani
Rocha Alexandre Da
Jean-Hugues Perrin
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.)
Alcatel Lucent SAS
Original Assignee
Alcatel SA
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 Alcatel SA filed Critical Alcatel SA
Application granted granted Critical
Publication of DE69900302D1 publication Critical patent/DE69900302D1/de
Publication of DE69900302T2 publication Critical patent/DE69900302T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H04B1/7097—Interference-related aspects
    • H04B1/711—Interference-related aspects the interference being multi-path interference
    • H04B1/7115—Constructive combining of multi-path signals, i.e. RAKE receivers
    • 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
    • H04B1/711—Interference-related aspects the interference being multi-path interference
    • H04B1/7113—Determination of path profile
    • 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
    • H04B1/711—Interference-related aspects the interference being multi-path interference
    • H04B1/7115—Constructive combining of multi-path signals, i.e. RAKE receivers
    • H04B1/712—Weighting of fingers for combining, e.g. amplitude control or phase rotation using an inner loop

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)
DE69900302T 1999-06-24 1999-06-24 Empfänger und Verfahren für CDMA Übertragung mit verbessertem Wegsucher Expired - Fee Related DE69900302T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP99440160A EP1069697B1 (de) 1999-06-24 1999-06-24 Empfänger und Verfahren für CDMA Übertragung mit verbessertem Wegsucher

Publications (2)

Publication Number Publication Date
DE69900302D1 true DE69900302D1 (de) 2001-10-25
DE69900302T2 DE69900302T2 (de) 2002-05-08

Family

ID=8242347

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69900302T Expired - Fee Related DE69900302T2 (de) 1999-06-24 1999-06-24 Empfänger und Verfahren für CDMA Übertragung mit verbessertem Wegsucher

Country Status (6)

Country Link
US (1) US6430166B1 (de)
EP (1) EP1069697B1 (de)
JP (1) JP2001036433A (de)
CN (1) CN1142647C (de)
DE (1) DE69900302T2 (de)
ES (1) ES2162512T3 (de)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3369513B2 (ja) * 1999-07-02 2003-01-20 松下電器産業株式会社 通信端末装置及び無線受信方法
EP1195016B1 (de) * 1999-07-15 2004-07-07 Infineon Technologies AG Verfahren zur schätzung der kanalimpulsantwort eines mobilfunkkanals
CN100385833C (zh) * 1999-12-28 2008-04-30 株式会社Ntt都科摩 路径搜索方法与信道估计方法以及通信装置
JP3581072B2 (ja) * 2000-01-24 2004-10-27 株式会社エヌ・ティ・ティ・ドコモ チャネル構成方法及びその方法を利用する基地局
US6801564B2 (en) * 2000-02-23 2004-10-05 Ipr Licensing, Inc. Reverse link correlation filter in wireless communication systems
CN1120591C (zh) * 2000-12-18 2003-09-03 信息产业部电信传输研究所 直接扩频/码分多址综合扩频相干接收装置
CN1140075C (zh) * 2000-12-18 2004-02-25 信息产业部电信传输研究所 基于多径能量窗的码分多址系统初始同步与小区搜索装置
GB0031834D0 (en) * 2000-12-29 2001-02-14 Nokia Networks Oy Parameter estimation for adaptive antenna system
GB0031841D0 (en) * 2000-12-29 2001-02-14 Nokia Networks Oy Interference power estimation for adaptive antenna system
US20030072282A1 (en) * 2001-10-17 2003-04-17 Ying-Chang Liang Code division multiple access downlink receiver
EP1496628B1 (de) * 2002-04-03 2013-06-05 NEC Corporation Mobilkommunikationssystem, mobilstation, basisstation, kommunikationsweg-qualitätsschätzverfahren dafür
JP4052060B2 (ja) * 2002-08-21 2008-02-27 日本電気株式会社 Ｃｄｍａ無線装置及びそれに用いる簡易パス推定方法
KR20040021162A (ko) * 2002-09-02 2004-03-10 삼성전자주식회사 등화성능을 향상시키는 등화기를 갖는 잔류측파대수신기및 그의 등화방법
EP1401112A1 (de) * 2002-09-18 2004-03-24 Telefonaktiebolaget L M Ericsson (Publ) Schätzung der Mehrwegeverzögerungszeit und Wegeauswahl für gemeinsame und zugeordnete Kanäle
WO2004028020A1 (en) * 2002-09-18 2004-04-01 Telefonaktiebolaget Lm Ericsson (Publ) Delay estimation and path selection for common and dedicated channels
FR2853170A1 (fr) * 2003-03-31 2004-10-01 Nortel Networks Ltd Procede de traitement d'un signal par un recepteur radio et recepteur radio pour la mise en oeuvre du procede
JP3665322B2 (ja) * 2003-10-24 2005-06-29 松下電器産業株式会社 無線受信装置およびフィンガ割り当て方法
EP1533912B1 (de) * 2003-11-22 2009-01-07 Alcatel Lucent Verfahren zur Ermittlung der Verzögerungen in einem Mehrpfad-Kanal
US7426175B2 (en) * 2004-03-30 2008-09-16 Motorola, Inc. Method and apparatus for pilot signal transmission
JPWO2006088089A1 (ja) * 2005-02-16 2008-07-03 日本電気株式会社 Ｃｄｍａ受信装置及びパスサーチ方法
US7826807B2 (en) * 2005-03-09 2010-11-02 Qualcomm Incorporated Methods and apparatus for antenna control in a wireless terminal
US7817604B2 (en) * 2005-06-13 2010-10-19 Telefonaktiebolaget L M Ericsson (Publ) Shared control channel detection strategies
DE102006056158B4 (de) * 2006-11-28 2011-11-17 Infineon Technologies Ag Kanalschätzung für OFDM Systeme
US9941925B1 (en) * 2014-02-21 2018-04-10 Rockwell Collins, Inc. Communication system supporting high-precision measurements utilizing reference sequence re-modulation

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5671221A (en) * 1995-06-14 1997-09-23 Sharp Microelectronics Technology, Inc. Receiving method and apparatus for use in a spread-spectrum communication system
JP3598609B2 (ja) * 1995-09-20 2004-12-08 双葉電子工業株式会社 スペクトル拡散通信システムにおける受信装置
JP2853742B2 (ja) * 1997-06-10 1999-02-03 日本電気株式会社 直接拡散／符号分割多重方式干渉除去受信装置
JP2924864B2 (ja) * 1997-06-16 1999-07-26 日本電気株式会社 適応レイク受信方式

Also Published As

Publication number Publication date
US6430166B1 (en) 2002-08-06
JP2001036433A (ja) 2001-02-09
DE69900302T2 (de) 2002-05-08
EP1069697B1 (de) 2001-09-19
EP1069697A1 (de) 2001-01-17
CN1142647C (zh) 2004-03-17
CN1301091A (zh) 2001-06-27
ES2162512T3 (es) 2001-12-16

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: ALCATEL LUCENT, PARIS, FR

8339 Ceased/non-payment of the annual fee