FI117734B - Menetelmä ja arkkitehtuuri kantotaajuussiirtymän ja hajautuskoodin ajoitussiirtymän korjaamiseksi suorasekvenssisessä hajaspektritietoliikennejärjestelmässä - Google Patents

Menetelmä ja arkkitehtuuri kantotaajuussiirtymän ja hajautuskoodin ajoitussiirtymän korjaamiseksi suorasekvenssisessä hajaspektritietoliikennejärjestelmässä Download PDF

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Publication number
FI117734B
FI117734B FI981650A FI981650A FI117734B FI 117734 B FI117734 B FI 117734B FI 981650 A FI981650 A FI 981650A FI 981650 A FI981650 A FI 981650A FI 117734 B FI117734 B FI 117734B
Authority
FI
Finland
Prior art keywords
spreading code
carrier frequency
frequency offset
phase angle
adaptation
Prior art date
Application number
FI981650A
Other languages
English (en)
Finnish (fi)
Swedish (sv)
Other versions
FI981650A (fi
FI981650A0 (fi
Inventor
Chia-Chi Huang
Shin-Yuan Wang
Yuh-Maiw Jong
Original Assignee
Chung Shan Inst Of Science
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
Priority to US09/120,497 priority Critical patent/US6266361B1/en
Application filed by Chung Shan Inst Of Science filed Critical Chung Shan Inst Of Science
Priority to FI981650A priority patent/FI117734B/fi
Publication of FI981650A0 publication Critical patent/FI981650A0/fi
Priority to SE9802606A priority patent/SE9802606L/xx
Priority to NL1009731A priority patent/NL1009731C8/nl
Priority to JP22388498A priority patent/JP2934235B1/ja
Priority to DE19836582A priority patent/DE19836582A1/de
Publication of FI981650A publication Critical patent/FI981650A/fi
Application granted granted Critical
Publication of FI117734B publication Critical patent/FI117734B/fi

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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
    • H04B1/7075—Synchronisation aspects with code phase acquisition
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0014—Carrier regulation
    • H04L2027/0044—Control loops for carrier regulation
    • H04L2027/0046—Open loops
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0014—Carrier regulation
    • H04L2027/0044—Control loops for carrier regulation
    • H04L2027/0063—Elements of loops
    • H04L2027/0065—Frequency error detectors
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0014—Carrier regulation
    • H04L2027/0044—Control loops for carrier regulation
    • H04L2027/0063—Elements of loops
    • H04L2027/0067—Phase error detectors

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Noise Elimination (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Radar Systems Or Details Thereof (AREA)
FI981650A 1998-07-21 1998-07-22 Menetelmä ja arkkitehtuuri kantotaajuussiirtymän ja hajautuskoodin ajoitussiirtymän korjaamiseksi suorasekvenssisessä hajaspektritietoliikennejärjestelmässä FI117734B (fi)

Priority Applications (6)

Application Number Priority Date Filing Date Title
US09/120,497 US6266361B1 (en) 1998-07-21 1998-07-21 Method and architecture for correcting carrier frequency offset and spreading code timing offset in a direct sequence spread spectrum communication system
FI981650A FI117734B (fi) 1998-07-21 1998-07-22 Menetelmä ja arkkitehtuuri kantotaajuussiirtymän ja hajautuskoodin ajoitussiirtymän korjaamiseksi suorasekvenssisessä hajaspektritietoliikennejärjestelmässä
SE9802606A SE9802606L (sv) 1998-07-21 1998-07-23 Förfarande och arkitektur för att korrigera bärfrekvensförskjutning och spridningskodstidsförskjutning i ett kommunikationssystem med direktfrekvensbandspridning
NL1009731A NL1009731C8 (nl) 1998-07-21 1998-07-23 Werkwijze en stelsel voor het corrigeren van een draaggolffrequentieverschuiving en een spreidingscodetemporisatieverschuiving in een communicatiestelsel met een door een richtsequentie verspreid spectrum.
JP22388498A JP2934235B1 (ja) 1998-07-21 1998-08-07 直接シーケンス・スペクトラム拡散通信システムにおける搬送波のオフセットおよび拡散コードのタイミング・オフセットを補正するための方法およびアーキテクチャ
DE19836582A DE19836582A1 (de) 1998-07-21 1998-08-12 Verfahren und Architektur zur Korrektur von Trägerfrequenzoffset und Spreizcodetaktgabeoffset in einem Direct Sequence-Spreizspektrum-Kommunikationssystem

Applications Claiming Priority (12)

Application Number Priority Date Filing Date Title
US09/120,497 US6266361B1 (en) 1998-07-21 1998-07-21 Method and architecture for correcting carrier frequency offset and spreading code timing offset in a direct sequence spread spectrum communication system
US12049798 1998-07-21
FI981650A FI117734B (fi) 1998-07-21 1998-07-22 Menetelmä ja arkkitehtuuri kantotaajuussiirtymän ja hajautuskoodin ajoitussiirtymän korjaamiseksi suorasekvenssisessä hajaspektritietoliikennejärjestelmässä
FI981650 1998-07-22
SE9802606A SE9802606L (sv) 1998-07-21 1998-07-23 Förfarande och arkitektur för att korrigera bärfrekvensförskjutning och spridningskodstidsförskjutning i ett kommunikationssystem med direktfrekvensbandspridning
NL1009731A NL1009731C8 (nl) 1998-07-21 1998-07-23 Werkwijze en stelsel voor het corrigeren van een draaggolffrequentieverschuiving en een spreidingscodetemporisatieverschuiving in een communicatiestelsel met een door een richtsequentie verspreid spectrum.
SE9802606 1998-07-23
NL1009731 1998-07-23
JP22388498A JP2934235B1 (ja) 1998-07-21 1998-08-07 直接シーケンス・スペクトラム拡散通信システムにおける搬送波のオフセットおよび拡散コードのタイミング・オフセットを補正するための方法およびアーキテクチャ
JP22388498 1998-08-07
DE19836582 1998-08-12
DE19836582A DE19836582A1 (de) 1998-07-21 1998-08-12 Verfahren und Architektur zur Korrektur von Trägerfrequenzoffset und Spreizcodetaktgabeoffset in einem Direct Sequence-Spreizspektrum-Kommunikationssystem

Publications (3)

Publication Number Publication Date
FI981650A0 FI981650A0 (fi) 1998-07-22
FI981650A FI981650A (fi) 2000-01-23
FI117734B true FI117734B (fi) 2007-01-31

Family

ID=27545101

Family Applications (1)

Application Number Title Priority Date Filing Date
FI981650A FI117734B (fi) 1998-07-21 1998-07-22 Menetelmä ja arkkitehtuuri kantotaajuussiirtymän ja hajautuskoodin ajoitussiirtymän korjaamiseksi suorasekvenssisessä hajaspektritietoliikennejärjestelmässä

Country Status (6)

Country Link
US (1) US6266361B1 (ja)
JP (1) JP2934235B1 (ja)
DE (1) DE19836582A1 (ja)
FI (1) FI117734B (ja)
NL (1) NL1009731C8 (ja)
SE (1) SE9802606L (ja)

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US6546056B1 (en) * 1999-05-28 2003-04-08 3Com Corporation Timing recovery in a multi-tone modem
JP2001016135A (ja) * 1999-06-29 2001-01-19 Nec Corp 自動周波数制御方法と自動周波数制御方式とｃｄｍａ受信機
DE19939811A1 (de) * 1999-08-21 2001-02-22 Bosch Gmbh Robert Verfahren zum Ausregeln eines Frequenzoffsets im Empfänger einer Basisstation eines Nachrichtenübertragungssystems
US6760366B1 (en) * 1999-11-29 2004-07-06 Qualcomm Incorporated Method and apparatus for pilot search using a matched filter
GB2359456B (en) * 2000-02-19 2003-09-17 Nec Technologies Method for frequency offset estimation in a direct sequence spread spectrum communications receiver
JP3656526B2 (ja) 2000-07-17 2005-06-08 株式会社日立製作所 無線通信基地局、無線位置測定システム、送信タイミング測定装置ならびに位置測定センタ装置
US8184523B2 (en) * 2001-06-22 2012-05-22 Thompson Licensing Method and system for compensation of a carrier frequency offset in an OFDM receiver
CN1203622C (zh) 2001-06-25 2005-05-25 索尼株式会社 扩频信号解调方法和装置
US7826493B2 (en) * 2001-08-27 2010-11-02 Broadcom Corp. Frequency offset correction circuit for WCDMA
US7106787B2 (en) * 2001-11-28 2006-09-12 Broadcom Corporation Acquisition matched filter for W-CDMA systems providing frequency offset robustness
US7075948B2 (en) * 2002-05-22 2006-07-11 Stmicroelectronics, Inc. Frequency offset estimator
GB2394131B (en) * 2002-10-10 2005-11-30 Matsushita Electric Ind Co Ltd Frequency offset estimator
JP4253703B2 (ja) * 2003-09-30 2009-04-15 Ｏｋｉセミコンダクタ株式会社 受信装置
US20050195888A1 (en) * 2004-03-05 2005-09-08 Wen-Sheng Hou Carrier frequency offset estimation in preambled systems
US20090037506A1 (en) * 2005-03-09 2009-02-05 Nec Receiving apparatus and method
WO2007004910A1 (en) * 2005-06-30 2007-01-11 Intel Corporation Downlink preamble processing techniques for initial acquisition
TWI294730B (en) * 2005-07-01 2008-03-11 Benq Corp Seamless wlan channel migration
US7899107B1 (en) 2006-04-17 2011-03-01 Marvell International Ltd. Preamble detection using low-complexity cross-correlation
US7991077B1 (en) * 2006-05-31 2011-08-02 Marvell International Ltd. Preamble detection with multiple receive antennas
US7961816B2 (en) * 2007-11-28 2011-06-14 Industrial Technology Research Institute Device for and method of signal synchronization in a communication system
US7843386B2 (en) * 2008-10-14 2010-11-30 The Boeing Company System and method for determining the beam center location of an antenna
US8952848B2 (en) 2008-10-21 2015-02-10 The Boeing Company System and method for determining the location of the phase center of an antenna
US9071493B2 (en) * 2009-06-29 2015-06-30 Qualcomm Incorporated Dual frequency tracking loop for OFDMA systems
US8331417B2 (en) 2010-04-20 2012-12-11 Los Alamos National Security, Llc Energy efficiency in wireless communication systems
US20140161000A1 (en) * 2012-12-10 2014-06-12 Futurewei Technologies, Inc. Timing offset correction in a tdd vectored system
KR101811221B1 (ko) * 2016-02-17 2017-12-21 주식회사 이노와이어리스 신호 분석기의 ｗｃｄｍａ 신호 타이밍 오프셋 처리 방법
EP3282597A1 (en) 2016-08-12 2018-02-14 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Communication system and transmitter

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Also Published As

Publication number Publication date
US6266361B1 (en) 2001-07-24
FI981650A (fi) 2000-01-23
JP2000068893A (ja) 2000-03-03
NL1009731C2 (ja) 2000-01-25
NL1009731C8 (nl) 2002-12-05
DE19836582A1 (de) 2000-02-24
FI981650A0 (fi) 1998-07-22
JP2934235B1 (ja) 1999-08-16
SE9802606D0 (sv) 1998-07-23
SE511515C2 (sv) 1999-10-11
SE9802606L (sv) 1999-10-11

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