DE602004006406D1 - Frequenzsynchronisationsvorrichtung und frequenzsynchronisationsverfahren - Google Patents

Frequenzsynchronisationsvorrichtung und frequenzsynchronisationsverfahren

Info

Publication number
DE602004006406D1
DE602004006406D1 DE602004006406T DE602004006406T DE602004006406D1 DE 602004006406 D1 DE602004006406 D1 DE 602004006406D1 DE 602004006406 T DE602004006406 T DE 602004006406T DE 602004006406 T DE602004006406 T DE 602004006406T DE 602004006406 D1 DE602004006406 D1 DE 602004006406D1
Authority
DE
Germany
Prior art keywords
frequency synchronization
synchronization process
synchronization device
frequency
synchronization
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
DE602004006406T
Other languages
English (en)
Other versions
DE602004006406T2 (de
Inventor
Yukihiro Omoto
Naganori Shirakata
Yoshio Urabe
Yasuo Harada
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.)
Panasonic Corp
Original Assignee
Matsushita Electric Industrial 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Publication of DE602004006406D1 publication Critical patent/DE602004006406D1/de
Application granted granted Critical
Publication of DE602004006406T2 publication Critical patent/DE602004006406T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0014—Carrier regulation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/04—Speed or phase control by synchronisation signals
    • H04L7/041—Speed or phase control by synchronisation signals using special codes as synchronising signal
    • H04L7/042—Detectors therefor, e.g. correlators, state machines
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0014—Carrier regulation
    • H04L2027/0024—Carrier regulation at the receiver end
    • H04L2027/0026—Correction of carrier offset
    • H04L2027/003—Correction of carrier offset at baseband only
    • 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
    • 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
    • H04L27/2657—Carrier synchronisation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/04—Speed or phase control by synchronisation signals
    • H04L7/041—Speed or phase control by synchronisation signals using special codes as synchronising signal
    • H04L7/043—Pseudo-noise [PN] codes variable during transmission

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
DE602004006406T 2003-03-31 2004-03-30 Frequenzsynchronisationsvorrichtung und frequenzsynchronisationsverfahren Expired - Fee Related DE602004006406T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2003094926 2003-03-31
JP2003094926 2003-03-31
PCT/JP2004/004495 WO2004088914A1 (en) 2003-03-31 2004-03-30 Frequency synchronization apparatus and frequency synchronization method

Publications (2)

Publication Number Publication Date
DE602004006406D1 true DE602004006406D1 (de) 2007-06-21
DE602004006406T2 DE602004006406T2 (de) 2007-09-06

Family

ID=33127415

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602004006406T Expired - Fee Related DE602004006406T2 (de) 2003-03-31 2004-03-30 Frequenzsynchronisationsvorrichtung und frequenzsynchronisationsverfahren

Country Status (7)

Country Link
US (1) US20060233225A1 (de)
EP (1) EP1618696B1 (de)
JP (1) JP2006522553A (de)
CN (1) CN1768501A (de)
CA (1) CA2514886A1 (de)
DE (1) DE602004006406T2 (de)
WO (1) WO2004088914A1 (de)

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CN1914839B (zh) * 2004-04-14 2010-05-05 松下电器产业株式会社 接收装置
TWI256815B (en) * 2004-07-27 2006-06-11 Mediatek Inc Frequency synchronization device and the method thereof
JP4031003B2 (ja) * 2005-03-03 2008-01-09 日本電波工業株式会社 微弱電力によるスペクトル拡散通信方法及びシステム、高周波無線機
US20070127358A1 (en) * 2005-11-23 2007-06-07 Qualcomm Incorporated Phase correction in a test receiver
KR20080098034A (ko) * 2006-02-16 2008-11-06 톰슨 라이센싱 낮은 신호-대-노이즈 비율에서 ａｔｓｃ 신호를 감지하기 위한 장치 및 방법
US7693231B2 (en) * 2006-05-15 2010-04-06 Qualcomm Incorporated System and method of calculating noise variance
JP4730219B2 (ja) * 2006-06-13 2011-07-20 パナソニック株式会社 同期検波復調装置
US8027329B2 (en) * 2007-02-07 2011-09-27 Telefonaktiebolaget Lm Ericsson (Publ) Preamble design for synchronization and cell search
FI20075282A0 (fi) * 2007-04-23 2007-04-23 Nokia Corp Taajuusvirheen estimointialgoritmi
JP5194775B2 (ja) * 2007-12-21 2013-05-08 日本電気株式会社 光チャネルモニタのデータ収集方法およびプログラムならびに伝送装置
US8396176B2 (en) * 2008-02-04 2013-03-12 Nec Corporation OFDM receiving device and OFDM receiving method
US8135096B2 (en) * 2008-03-12 2012-03-13 Broadcom Corporation Method and system for the extension of frequency offset estimation range based on correlation of complex sequences
US8958441B2 (en) 2008-06-05 2015-02-17 Qualcomm Incorporated System and method of an in-band modem for data communications over digital wireless communication networks
RU2496242C2 (ru) * 2008-06-05 2013-10-20 Квэлкомм Инкорпорейтед Система и способ внутриполосного модема для передач данных по цифровым беспроводным сетям связи
US8725502B2 (en) 2008-06-05 2014-05-13 Qualcomm Incorporated System and method of an in-band modem for data communications over digital wireless communication networks
US8503517B2 (en) 2008-06-05 2013-08-06 Qualcomm Incorporated System and method of an in-band modem for data communications over digital wireless communication networks
US8964788B2 (en) 2008-06-05 2015-02-24 Qualcomm Incorporated System and method of an in-band modem for data communications over digital wireless communication networks
US8825480B2 (en) 2008-06-05 2014-09-02 Qualcomm Incorporated Apparatus and method of obtaining non-speech data embedded in vocoder packet
US9083521B2 (en) 2008-06-05 2015-07-14 Qualcomm Incorporated System and method of an in-band modem for data communications over digital wireless communication networks
US20100002678A1 (en) * 2008-07-02 2010-01-07 Kabushiki Kaisha Toshiba Mobile radio terminal and radio communication method
ATE544244T1 (de) * 2008-08-29 2012-02-15 Broadcom Corp Verfahren und system zur erweiterung der frequenzversatzbereichsschätzung auf grundlage der korrelation komplexer sequenzen
ATE545221T1 (de) * 2008-09-05 2012-02-15 Ericsson Telefon Ab L M Technik zum synchronisieren eines endgeräts mit einem drahtlosen netz
EP2406691A4 (de) 2009-03-10 2012-08-01 Allen Vanguard Corp Vorrichtung und verfahren zur erzeugung eines taktsignals
US8743864B2 (en) 2009-06-16 2014-06-03 Qualcomm Incorporated System and method for supporting higher-layer protocol messaging in an in-band modem
US8855100B2 (en) 2009-06-16 2014-10-07 Qualcomm Incorporated System and method for supporting higher-layer protocol messaging in an in-band modem
WO2011008238A2 (en) * 2009-06-29 2011-01-20 Thomson Licensing Method and apparatus for robust and high efficiency fec frame header recovery
US9288096B2 (en) 2009-12-07 2016-03-15 Qualcomm Incorporated Enabling phase tracking for a communication device
CN102135596B (zh) * 2010-01-22 2013-04-24 上海华虹Nec电子有限公司 在并行测试机台上实现芯片频率微调的方法
US9065713B2 (en) * 2010-11-02 2015-06-23 Panasonic Intellectual Property Management Co., Ltd. OFDM reception device, OFDM reception circuit, OFDM reception method, and OFDM reception program
FI123504B (fi) * 2011-05-25 2013-06-14 Tellabs Oy Menetelmä ja laite taajuustahdistuksen ohjaamiseksi
CN102195767A (zh) * 2011-05-27 2011-09-21 杭州箭源电子有限公司 一种采样频率同步方法及装置
CN102664844B (zh) * 2012-04-11 2014-10-29 苏州英菲泰尔电子科技有限公司 解调器中码片定时恢复和载波频偏消除的方法
CN102857961A (zh) * 2012-09-14 2013-01-02 中国人民解放军总参谋部第五十七研究所 一种存在频率偏移的通信信号时差测量方法
CN102932297B (zh) * 2012-10-16 2015-05-13 成都嘉泰华力科技有限责任公司 微波信号检波同步系统及方法
WO2014132599A1 (ja) * 2013-02-27 2014-09-04 パナソニック株式会社 受信装置、位相誤差推定方法、及び位相誤差補正方法
CN104579620B (zh) * 2013-10-10 2017-12-05 富士通株式会社 序列同步装置、方法以及接收机
KR101637940B1 (ko) * 2015-02-25 2016-07-11 (주)에프씨아이 Ofdm 심볼을 동기화하는 방법
US10027471B2 (en) 2015-06-11 2018-07-17 Avago Technologies General Ip (Singapore) Pte. Ltd. Synchronization and training stage operation
JP6299822B2 (ja) * 2016-08-29 2018-03-28 Ｎｔｔエレクトロニクス株式会社 既知信号検出方法
DE102017220828A1 (de) * 2017-11-22 2019-05-23 Robert Bosch Gmbh Verfahren und System zur Unterdrückung eines Störsignals bei der Detektion eines Chirp-Signals
JP7283741B2 (ja) * 2019-04-17 2023-05-30 Ｎｅｃネットワーク・センサ株式会社 受信機、受信方法、及び、受信処理プログラム
JP6916840B2 (ja) * 2019-06-26 2021-08-11 株式会社タムラ製作所 情報通信システム及び情報通信装置
CN110739709A (zh) * 2019-11-06 2020-01-31 湖南微网能源技术有限公司 一种多机控制同步方法
JP7397828B2 (ja) * 2021-07-26 2023-12-13 アンリツ株式会社 受信装置及び受信方法、並びに該受信装置を備えた移動端末試験装置
CN115333715B (zh) * 2022-08-12 2024-03-29 上海金卓科技有限公司 一种窄带通信系统的同步方法、装置、通信设备及介质
CN115510388B (zh) * 2022-11-23 2023-03-24 深圳市恒运昌真空技术有限公司 信号同步方法、装置和等离子电源系统

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JP2812347B2 (ja) * 1992-02-17 1998-10-22 日本電気株式会社 再同期復調装置
DE69802212T2 (de) * 1998-04-14 2002-06-27 Fraunhofer Ges Forschung Grobe frequenzsynchronisierung in mehrträgersystemen
US6049577A (en) * 1998-05-28 2000-04-11 Glenayre Electronics, Inc. Header synchronization detector
JP3486576B2 (ja) * 1999-05-18 2004-01-13 シャープ株式会社 Ｏｆｄｍ受信装置及びその周波数オフセット補償方法
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AU740804B2 (en) * 1999-07-19 2001-11-15 Nippon Telegraph & Telephone Corporation OFDM packet communication receiver system
JP3596442B2 (ja) * 1999-07-19 2004-12-02 日本電信電話株式会社 無線パケット通信用ｏｆｄｍ受信装置
US6914947B2 (en) * 2001-02-28 2005-07-05 Telefonaktiebolaget L M Ericsson (Publ) Method and apparatus for handling time-drift
US7088782B2 (en) * 2001-04-24 2006-08-08 Georgia Tech Research Corporation Time and frequency synchronization in multi-input, multi-output (MIMO) systems
US20040047368A1 (en) * 2002-08-28 2004-03-11 Xu Jin Biao Frame synchronization for OFDM systems
US7164737B2 (en) * 2002-12-20 2007-01-16 Lg Electronics Inc. Method for estimating doppler frequency

Also Published As

Publication number Publication date
JP2006522553A (ja) 2006-09-28
US20060233225A1 (en) 2006-10-19
CA2514886A1 (en) 2004-10-14
WO2004088914A1 (en) 2004-10-14
EP1618696A1 (de) 2006-01-25
EP1618696B1 (de) 2007-05-09
CN1768501A (zh) 2006-05-03
DE602004006406T2 (de) 2007-09-06

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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: PANASONIC CORP., KADOMA, OSAKA, JP

8339 Ceased/non-payment of the annual fee