DE69938097D1 - Vorrichtung und verfahren zur suche einer pn-phasensequenz in einem mobilen mehrfachträger-cdma-kommunikationssystem - Google Patents

Vorrichtung und verfahren zur suche einer pn-phasensequenz in einem mobilen mehrfachträger-cdma-kommunikationssystem

Info

Publication number
DE69938097D1
DE69938097D1 DE69938097T DE69938097T DE69938097D1 DE 69938097 D1 DE69938097 D1 DE 69938097D1 DE 69938097 T DE69938097 T DE 69938097T DE 69938097 T DE69938097 T DE 69938097T DE 69938097 D1 DE69938097 D1 DE 69938097D1
Authority
DE
Germany
Prior art keywords
searching
communication system
phase sequence
cdma communication
mobile multi
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
DE69938097T
Other languages
English (en)
Other versions
DE69938097T2 (de
Inventor
Sang-Bum Kim
Hye-Jeong Kim
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.)
Samsung Electronics Co Ltd
Original Assignee
Samsung Electronics Co Ltd
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 Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Publication of DE69938097D1 publication Critical patent/DE69938097D1/de
Application granted granted Critical
Publication of DE69938097T2 publication Critical patent/DE69938097T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • 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
    • H04B1/7075—Synchronisation aspects with code phase acquisition
    • H04B1/708—Parallel implementation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2647—Arrangements specific to the receiver only
    • H04L27/2655—Synchronisation arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2647—Arrangements specific to the receiver only
    • H04L27/2655—Synchronisation arrangements
    • H04L27/2666—Acquisition of further OFDM parameters, e.g. bandwidth, subcarrier spacing, or guard interval length
    • 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
    • H04B1/7075—Synchronisation aspects with code phase acquisition
    • H04B1/70754—Setting of search window, i.e. range of code offsets to be searched
    • 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
    • H04B1/7075—Synchronisation aspects with code phase acquisition
    • H04B1/70755—Setting of lock conditions, e.g. threshold
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2602—Signal structure
    • H04L27/261—Details of reference signals
    • H04L27/2613—Structure of the reference signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0014—Three-dimensional division
    • H04L5/0016—Time-frequency-code
    • H04L5/0021—Time-frequency-code in which codes are applied as a frequency-domain sequences, e.g. MC-CDMA

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
DE1999638097 1998-09-24 1999-09-27 Vorrichtung und verfahren zur suche einer pn-phasensequenz in einem mobilen mehrfachträger-cdma-kommunikationssystem Expired - Fee Related DE69938097T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
KR19980039747 1998-09-24
KR9839747 1998-09-24
PCT/KR1999/000583 WO2000018142A2 (en) 1998-09-24 1999-09-27 Apparatus and method of searching for pn sequence phase in multi-carrier cdma mobile communication system

Publications (2)

Publication Number Publication Date
DE69938097D1 true DE69938097D1 (de) 2008-03-20
DE69938097T2 DE69938097T2 (de) 2008-06-12

Family

ID=19551829

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1999638097 Expired - Fee Related DE69938097T2 (de) 1998-09-24 1999-09-27 Vorrichtung und verfahren zur suche einer pn-phasensequenz in einem mobilen mehrfachträger-cdma-kommunikationssystem

Country Status (10)

Country Link
US (1) US6944149B1 (de)
EP (1) EP1048178B1 (de)
JP (1) JP3396472B2 (de)
CN (1) CN1138368C (de)
AU (1) AU746536B2 (de)
BR (1) BR9907783A (de)
CA (1) CA2310812C (de)
DE (1) DE69938097T2 (de)
RU (1) RU2180467C2 (de)
WO (1) WO2000018142A2 (de)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6396819B1 (en) 1998-03-21 2002-05-28 Richard D. Fleeter Low-cost satellite communication system
JP3764827B2 (ja) * 1999-03-01 2006-04-12 富士通株式会社 マルチキャリアスペクトル拡散通信における受信機、及び受信方法
US6925067B2 (en) * 1999-04-23 2005-08-02 Qualcomm, Incorporated Configuration of overhead channels in a mixed bandwidth system
US7227884B2 (en) 2000-02-28 2007-06-05 Aeroastro, Inc. Spread-spectrum receiver with progressive fourier transform
US7433391B2 (en) * 2000-02-28 2008-10-07 Aeroastro, Inc. Spread-spectrum receiver with fast M-sequence transform
US7596170B2 (en) * 2000-02-28 2009-09-29 Aeroastro, Inc. Coherent detection without transmission preamble
FR2834596B1 (fr) * 2002-01-10 2004-03-12 Wavecom Sa Procede de gestion de communications dans un reseau, signal, dispositif emetteur et terminal recepteur correspondants
KR100929081B1 (ko) * 2002-09-10 2009-11-30 삼성전자주식회사 이동단말에서 파일롯 신호의 의사잡음 시퀀스 위상을 추적하기 위한 장치 및 방법
US7298777B2 (en) * 2003-06-06 2007-11-20 Texas Instruments Incorporated Searching in a spread spectrum communications
EP1905181A2 (de) * 2005-07-07 2008-04-02 Nokia Corporation Techniken zur verbesserung der redundanz für drahtlose mehrträgersysteme
US7592953B2 (en) 2005-12-30 2009-09-22 Comtech Mobile Datacom Corporation Mobile satellite communications
US8275080B2 (en) * 2006-11-17 2012-09-25 Comtech Mobile Datacom Corporation Self-supporting simplex packets
US8284749B2 (en) * 2008-03-10 2012-10-09 Comtech Mobile Datacom Corporation Time slot synchronized, flexible bandwidth communication system
US8548107B1 (en) 2009-01-26 2013-10-01 Comtech Mobile Datacom Corporation Advanced multi-user detector
US9106364B1 (en) 2009-01-26 2015-08-11 Comtech Mobile Datacom Corporation Signal processing of a high capacity waveform
EP2443864B1 (de) * 2009-06-15 2014-01-01 Nokia Solutions and Networks Oy Overheadreduktion für Mehrträgerübertragungssysteme
US8675711B1 (en) 2009-09-25 2014-03-18 Comtech Mobile Datacom Corporation System and methods for dynamic spread spectrum usage

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4550414A (en) * 1983-04-12 1985-10-29 Charles Stark Draper Laboratory, Inc. Spread spectrum adaptive code tracker
US5490165A (en) * 1993-10-28 1996-02-06 Qualcomm Incorporated Demodulation element assignment in a system capable of receiving multiple signals
JP2655068B2 (ja) * 1993-12-30 1997-09-17 日本電気株式会社 スペクトラム拡散受信機
US5710768A (en) * 1994-09-30 1998-01-20 Qualcomm Incorporated Method of searching for a bursty signal
ZA965340B (en) * 1995-06-30 1997-01-27 Interdigital Tech Corp Code division multiple access (cdma) communication system
KR0150279B1 (ko) * 1995-12-18 1998-11-02 양승택 코드확산 통신시스템의 수신기에서의 코드 추적기
JP2780697B2 (ja) * 1996-03-22 1998-07-30 日本電気株式会社 相関復調における同期捕捉方法及び装置
US6144649A (en) * 1997-02-27 2000-11-07 Motorola, Inc. Method and apparatus for acquiring a pilot signal in a CDMA receiver
US6263010B1 (en) * 1997-08-04 2001-07-17 Kabushiki Kaisha Toshiba Spread spectrum communication apparatus
US6760366B1 (en) * 1999-11-29 2004-07-06 Qualcomm Incorporated Method and apparatus for pilot search using a matched filter

Also Published As

Publication number Publication date
BR9907783A (pt) 2000-11-28
JP3396472B2 (ja) 2003-04-14
US6944149B1 (en) 2005-09-13
CN1138368C (zh) 2004-02-11
EP1048178B1 (de) 2008-02-06
DE69938097T2 (de) 2008-06-12
WO2000018142A2 (en) 2000-03-30
CA2310812A1 (en) 2000-03-30
CA2310812C (en) 2003-10-28
WO2000018142A3 (en) 2000-07-13
JP2002525991A (ja) 2002-08-13
RU2180467C2 (ru) 2002-03-10
EP1048178A2 (de) 2000-11-02
CN1286850A (zh) 2001-03-07
AU746536B2 (en) 2002-05-02
AU5764199A (en) 2000-04-10
RU2000112881A (ru) 2004-02-27

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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