DE69432555D1 - Direktsequenzspreizspektrumempfänger unter Verwendung eines während konstanter gleitender Zeitintervalle gemittelten Pilotsignales - Google Patents

Direktsequenzspreizspektrumempfänger unter Verwendung eines während konstanter gleitender Zeitintervalle gemittelten Pilotsignales

Info

Publication number
DE69432555D1
DE69432555D1 DE69432555T DE69432555T DE69432555D1 DE 69432555 D1 DE69432555 D1 DE 69432555D1 DE 69432555 T DE69432555 T DE 69432555T DE 69432555 T DE69432555 T DE 69432555T DE 69432555 D1 DE69432555 D1 DE 69432555D1
Authority
DE
Germany
Prior art keywords
time intervals
pilot signal
spread spectrum
direct sequence
sequence spread
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
DE69432555T
Other languages
English (en)
Other versions
DE69432555T2 (de
Inventor
Tomoya Kaku
Sean O'regan
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.)
NEC Corp
Original Assignee
NEC 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 NEC Corp filed Critical NEC Corp
Publication of DE69432555D1 publication Critical patent/DE69432555D1/de
Application granted granted Critical
Publication of DE69432555T2 publication Critical patent/DE69432555T2/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Complex Calculations (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
DE1994632555 1993-12-30 1994-12-29 Direktsequenzspreizspektrumempfänger unter Verwendung eines während konstanter gleitender Zeitintervalle gemittelten Pilotsignales Expired - Fee Related DE69432555T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP35455393A JP2605615B2 (ja) 1993-12-30 1993-12-30 スペクトラム拡散受信機
JP35455393 1993-12-30

Publications (2)

Publication Number Publication Date
DE69432555D1 true DE69432555D1 (de) 2003-05-28
DE69432555T2 DE69432555T2 (de) 2004-05-06

Family

ID=18438332

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1994632555 Expired - Fee Related DE69432555T2 (de) 1993-12-30 1994-12-29 Direktsequenzspreizspektrumempfänger unter Verwendung eines während konstanter gleitender Zeitintervalle gemittelten Pilotsignales

Country Status (7)

Country Link
US (1) US5548613A (de)
EP (1) EP0661829B1 (de)
JP (1) JP2605615B2 (de)
KR (1) KR0142035B1 (de)
AU (1) AU681209B2 (de)
CA (1) CA2139269C (de)
DE (1) DE69432555T2 (de)

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US6788708B1 (en) * 1997-03-30 2004-09-07 Intel Corporation Code synchronization unit and method
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US6348744B1 (en) 1998-04-14 2002-02-19 Conexant Systems, Inc. Integrated power management module
JPH11340949A (ja) * 1998-05-21 1999-12-10 Matsushita Electric Ind Co Ltd Ｃｄｍａ通信装置及びｃｄｍａ通信方法
US6724741B1 (en) 1998-06-29 2004-04-20 L-3 Communications Corporation PN code selection for synchronous CDMA
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US7545854B1 (en) 1998-09-01 2009-06-09 Sirf Technology, Inc. Doppler corrected spread spectrum matched filter
US7711038B1 (en) 1998-09-01 2010-05-04 Sirf Technology, Inc. System and method for despreading in a spread spectrum matched filter
US6041073A (en) * 1998-09-18 2000-03-21 Golden Bridge Technology, Inc. Multi-clock matched filter for receiving signals with multipath
US6693953B2 (en) 1998-09-30 2004-02-17 Skyworks Solutions, Inc. Adaptive wireless communication receiver
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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
US6606349B1 (en) 1999-02-04 2003-08-12 Sirf Technology, Inc. Spread spectrum receiver performance improvement
US6448925B1 (en) 1999-02-04 2002-09-10 Conexant Systems, Inc. Jamming detection and blanking for GPS receivers
US6304216B1 (en) 1999-03-30 2001-10-16 Conexant Systems, Inc. Signal detector employing correlation analysis of non-uniform and disjoint sample segments
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US6351486B1 (en) * 1999-05-25 2002-02-26 Conexant Systems, Inc. Accelerated selection of a base station in a wireless communication system
FR2797122B1 (fr) * 1999-07-30 2006-08-04 Commissariat Energie Atomique Procede de transmission de donnees utilisant des jeux repetitifs de sequences d'etalement, emetteur et recepteur correspondants
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US6714158B1 (en) * 2000-04-18 2004-03-30 Sirf Technology, Inc. Method and system for data detection in a global positioning system satellite receiver
US6931055B1 (en) 2000-04-18 2005-08-16 Sirf Technology, Inc. Signal detector employing a doppler phase correction system
US6788655B1 (en) 2000-04-18 2004-09-07 Sirf Technology, Inc. Personal communications device with ratio counter
US6952440B1 (en) 2000-04-18 2005-10-04 Sirf Technology, Inc. Signal detector employing a Doppler phase correction system
US7885314B1 (en) 2000-05-02 2011-02-08 Kenneth Scott Walley Cancellation system and method for a wireless positioning system
US6778136B2 (en) 2001-12-13 2004-08-17 Sirf Technology, Inc. Fast acquisition of GPS signal
JP2001345739A (ja) * 2000-06-06 2001-12-14 Nec Corp Ｒａｋｅ受信装置
US6628702B1 (en) * 2000-06-14 2003-09-30 Qualcomm, Incorporated Method and apparatus for demodulating signals processed in a transmit diversity mode
JP3695316B2 (ja) * 2000-11-24 2005-09-14 株式会社日本自動車部品総合研究所 スペクトラム拡散受信機の相関検出器
EP1367759B1 (de) 2000-12-28 2005-05-04 Com-Research GmbH Solutions for Communication Systems Empfänger zur Interferenzunterdrückung für TDMA-und/oder FDMA-Übertragung
JP3637884B2 (ja) * 2001-06-01 2005-04-13 ソニー株式会社 逆拡散装置、伝播路推定装置、受信装置ならびに干渉抑圧装置、逆拡散、伝播路推定、受信および干渉抑圧方法、該プログラムおよび該プログラムを記録した記録媒体
KR100391981B1 (ko) * 2001-06-16 2003-07-22 삼성전자주식회사 복수의 안테나를 통해 전송된 신호에서 데이터를 재생하는장치
US7292624B2 (en) * 2002-08-27 2007-11-06 Itt Manufacturing, Inc. Method and apparatus for robust acquisition of spread spectrum signals
WO2004077693A1 (en) * 2003-02-28 2004-09-10 Ttpcom Limited Application of spreading codes to signals
US20050209762A1 (en) * 2004-03-18 2005-09-22 Ford Global Technologies, Llc Method and apparatus for controlling a vehicle using an object detection system and brake-steer
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
EP1847029B1 (de) 2005-01-31 2014-03-12 ST-Ericsson SA Verfahren und vorrichtung zum verbreiten von daten in einem drahtlosen kommunikationssystem
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US8244174B1 (en) * 2006-11-15 2012-08-14 The Board Of Trustees Of The Leland Stanford Junior University System for mobile station positioning
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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

Also Published As

Publication number Publication date
JP2605615B2 (ja) 1997-04-30
EP0661829B1 (de) 2003-04-23
KR0142035B1 (ko) 1998-07-01
CA2139269C (en) 2001-03-20
EP0661829A3 (de) 1998-04-15
US5548613A (en) 1996-08-20
KR950022350A (ko) 1995-07-28
AU8176094A (en) 1995-07-06
EP0661829A2 (de) 1995-07-05
CA2139269A1 (en) 1995-07-01
DE69432555T2 (de) 2004-05-06
JPH07202756A (ja) 1995-08-04
AU681209B2 (en) 1997-08-21

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Legal Events

Date Code Title Description
8332 No legal effect for de
8370 Indication of lapse of patent is to be deleted
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee