ITTO971043A0 - Dispositivo per la correzione di un offset di frequenza in un sistema di ricezione ofdm. - Google Patents

Dispositivo per la correzione di un offset di frequenza in un sistema di ricezione ofdm.

Info

Publication number
ITTO971043A0
ITTO971043A0 IT97TO001043A ITTO971043A ITTO971043A0 IT TO971043 A0 ITTO971043 A0 IT TO971043A0 IT 97TO001043 A IT97TO001043 A IT 97TO001043A IT TO971043 A ITTO971043 A IT TO971043A IT TO971043 A0 ITTO971043 A0 IT TO971043A0
Authority
IT
Italy
Prior art keywords
correcting
frequency offset
reception system
ofdm reception
ofdm
Prior art date
Application number
IT97TO001043A
Other languages
English (en)
Inventor
Young-Rok Park
Olivier Dejonghe
Original Assignee
Daewoo 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 Daewoo Electronics Co Ltd filed Critical Daewoo Electronics Co Ltd
Publication of ITTO971043A0 publication Critical patent/ITTO971043A0/it
Publication of ITTO971043A1 publication Critical patent/ITTO971043A1/it
Application granted granted Critical
Publication of IT1296596B1 publication Critical patent/IT1296596B1/it

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • 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
    • 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
    • H04L27/2668—Details of algorithms
    • H04L27/2673—Details of algorithms characterised by synchronisation parameters
    • H04L27/2675—Pilot or known symbols

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Television Systems (AREA)
  • Radio Transmission System (AREA)
  • Radio Relay Systems (AREA)
  • Circuits Of Receivers In General (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
IT97TO001043 1996-11-29 1997-12-01 Dispositivo per la correzione di un offset di frequenza in un sistema di ricezione ofdm. IT1296596B1 (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR19960060088 1996-11-29

Publications (3)

Publication Number Publication Date
ITTO971043A0 true ITTO971043A0 (it) 1997-12-01
ITTO971043A1 ITTO971043A1 (it) 1998-05-29
IT1296596B1 IT1296596B1 (it) 1999-07-14

Family

ID=19484837

Family Applications (1)

Application Number Title Priority Date Filing Date
IT97TO001043 IT1296596B1 (it) 1996-11-29 1997-12-01 Dispositivo per la correzione di un offset di frequenza in un sistema di ricezione ofdm.

Country Status (8)

Country Link
US (1) US6035003A (it)
JP (1) JP3965638B2 (it)
KR (1) KR100261734B1 (it)
CN (1) CN1172501C (it)
DE (1) DE19753084B4 (it)
FR (1) FR2756687B1 (it)
GB (1) GB2319935B (it)
IT (1) IT1296596B1 (it)

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JP3485117B2 (ja) * 1993-09-10 2004-01-13 ドイチェ トムソン−ブラント ゲーエムベーハー Ｏｆｄｍ方式の基準信号の伝送方法
SE9703630L (sv) * 1997-03-03 1998-09-04 Telia Ab Förbättringar av, eller med avseende på, synkronisering
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US6704374B1 (en) * 2000-02-16 2004-03-09 Thomson Licensing S.A. Local oscillator frequency correction in an orthogonal frequency division multiplexing system
KR100615887B1 (ko) * 2000-04-07 2006-08-25 삼성전자주식회사 되먹임 기능을 갖는 무선 통신 시스템 및 그 방법
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KR100385772B1 (ko) * 2000-11-15 2003-06-02 (주)씨앤에스 테크놀로지 Ｏｆｄｍ 프레임 옵셋 추정방법 및 그 시스템
US20020065047A1 (en) * 2000-11-30 2002-05-30 Moose Paul H. Synchronization, channel estimation and pilot tone tracking system
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US6549561B2 (en) * 2001-02-21 2003-04-15 Magis Networks, Inc. OFDM pilot tone tracking for wireless LAN
US7248652B2 (en) * 2001-02-28 2007-07-24 Agere Systems Inc. Method and apparatus for recovering timing information in orthogonal frequency division multiplexing (OFDM) systems
US7218691B1 (en) 2001-03-05 2007-05-15 Marvell International Ltd. Method and apparatus for estimation of orthogonal frequency division multiplexing symbol timing and carrier frequency offset
US8619922B1 (en) 2002-02-04 2013-12-31 Marvell International Ltd. Method and apparatus for acquisition and tracking of orthogonal frequency division multiplexing symbol timing, carrier frequency offset and phase noise
US20020136282A1 (en) * 2001-03-26 2002-09-26 Quang Nguyen Optimum UMTS modem
US20020138807A1 (en) * 2001-03-26 2002-09-26 Quang Nguyen Optimum UMTS modem
KR100398331B1 (ko) * 2001-04-16 2003-09-19 광주과학기술원 직교 주파수 분할 다중화 시스템의 신호 수신단 및 그신호 수신방법
US7305053B2 (en) * 2001-11-06 2007-12-04 Nxp B.V. Dat-aided frequency offset detection using phase unwrapping
US7209433B2 (en) * 2002-01-07 2007-04-24 Hitachi, Ltd. Channel estimation and compensation techniques for use in frequency division multiplexed systems
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KR100453696B1 (ko) * 2002-05-20 2004-10-20 전자부품연구원 무선 이동 디지털 통신 시스템에서의 개선된 주파수오프셋 추정 방법
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US7433298B1 (en) 2002-08-19 2008-10-07 Marvell International Ltd. Compensation for residual frequency offset, phase noise and I/Q imbalance in OFDM modulated communications
KR100553544B1 (ko) * 2002-08-31 2006-02-20 삼성탈레스 주식회사 버스트 직교 주파수분할 다중 전송 시스템에서 주파수 오프셋 추정 및 채널 등화방법
US7889819B2 (en) * 2002-10-04 2011-02-15 Apurva Mody Methods and systems for sampling frequency offset detection, correction and control for MIMO OFDM systems
US7308063B2 (en) * 2002-12-20 2007-12-11 Nokia Corporation Apparatus, and associated method, for effectuating post-FFT correction of fine frequency offset
US20050080576A1 (en) * 2003-10-10 2005-04-14 Dickerson Robert T. Method and system for frequency domain time correlation
US7599453B2 (en) * 2005-04-21 2009-10-06 Telefonaktiebolaget L M Ericsson (Publ) Doppler spread estimation for OFDM systems
US7684473B2 (en) * 2005-06-01 2010-03-23 Qualcomm Incorporated Receiver for wireless communication network with extended range
US7894818B2 (en) * 2005-06-15 2011-02-22 Samsung Electronics Co., Ltd. Apparatus and method for multiplexing broadcast and unicast traffic in a multi-carrier wireless network
FI20055711A0 (fi) * 2005-12-29 2005-12-29 Nokia Corp Häiriön poisto radiovastaanottimessa
CN101136881B (zh) * 2006-08-31 2012-10-10 世意法（北京）半导体研发有限责任公司 一种ofdma上行链路接收机和估计载波频偏的方法
US7796706B2 (en) * 2007-03-15 2010-09-14 Nokia Corporation Digital broadcast service discovery correlation
US7787548B2 (en) * 2007-03-15 2010-08-31 Nokia Corporation Digital broadcast service discovery correlation
CN101431493B (zh) * 2007-11-07 2012-11-21 中国科学院微电子研究所 用于ofdm分组检测、频偏估计的系统及方法
KR100947604B1 (ko) 2007-12-17 2010-03-15 한국전자통신연구원 이동통신 시스템에서 2차 루프 필터를 사용하는 주파수오차 추정기 및 그 동작방법
CN101841347A (zh) * 2009-03-16 2010-09-22 鼎桥通信技术有限公司 一种频偏估计方法及装置
CN102523028B (zh) * 2011-12-09 2015-01-21 武汉虹信通信技术有限责任公司 一种本地频率参考源传送到远端的方法
JP6080169B2 (ja) * 2014-03-14 2017-02-15 古河電気工業株式会社 送受信システム、送信装置、および、受信装置
JP7204627B2 (ja) 2019-10-11 2023-01-16 株式会社東芝 無線通信装置

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DE69217140T2 (de) * 1991-08-07 1997-07-03 Toshiba Ave Kk QPSK-Demodulator mit automatischer Frequenznachregelung
JP3074103B2 (ja) * 1993-11-16 2000-08-07 株式会社東芝 Ｏｆｄｍ同期復調回路
JPH07212421A (ja) * 1994-01-19 1995-08-11 Toshiba Corp Ａｆｃ回路
JP2989742B2 (ja) * 1994-05-20 1999-12-13 株式会社日立製作所 ディジタル放送システムおよび該ディジタル放送用の送信システムならびに該ディジタル放送用の受信システム
US5774450A (en) * 1995-01-10 1998-06-30 Matsushita Electric Industrial Co., Ltd. Method of transmitting orthogonal frequency division multiplexing signal and receiver thereof
JP3130752B2 (ja) * 1995-02-24 2001-01-31 株式会社東芝 Ｏｆｄｍ伝送受信方式及び送受信装置
SE514986C2 (sv) * 1995-03-01 2001-05-28 Telia Ab Metod och anordning för synkronisering vid OFDM-system
JPH09219693A (ja) * 1996-02-09 1997-08-19 Mitsubishi Electric Corp デジタル放送受信機
CA2183140C (en) * 1996-08-12 2001-11-20 Telecommunications Research Laboratories Ofdm timing and frequency recovery system

Also Published As

Publication number Publication date
JPH10190613A (ja) 1998-07-21
GB9725274D0 (en) 1998-01-28
IT1296596B1 (it) 1999-07-14
JP3965638B2 (ja) 2007-08-29
CN1172501C (zh) 2004-10-20
ITTO971043A1 (it) 1998-05-29
FR2756687A1 (fr) 1998-06-05
KR19980042922A (ko) 1998-08-17
GB2319935B (en) 2001-10-24
CN1193875A (zh) 1998-09-23
GB2319935A (en) 1998-06-03
DE19753084A1 (de) 1998-06-04
KR100261734B1 (ko) 2000-07-15
US6035003A (en) 2000-03-07
DE19753084B4 (de) 2007-10-18
FR2756687B1 (fr) 2001-10-05

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