TWI279990B - FFT carrier frequency offset estimation for OFDM signal - Google Patents

FFT carrier frequency offset estimation for OFDM signal Download PDF

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Publication number
TWI279990B
TWI279990B TW094121525A TW94121525A TWI279990B TW I279990 B TWI279990 B TW I279990B TW 094121525 A TW094121525 A TW 094121525A TW 94121525 A TW94121525 A TW 94121525A TW I279990 B TWI279990 B TW I279990B
Authority
TW
Taiwan
Prior art keywords
receiver
ofdm signal
frequency offset
carrier frequency
energy
Prior art date
Application number
TW094121525A
Other languages
English (en)
Chinese (zh)
Other versions
TW200623660A (en
Inventor
Ludwig Schwoerer
Andre Kaufmann
Original Assignee
Nokia 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 Nokia Corp filed Critical Nokia Corp
Publication of TW200623660A publication Critical patent/TW200623660A/zh
Application granted granted Critical
Publication of TWI279990B publication Critical patent/TWI279990B/zh

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Classifications

    • 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
    • H04L27/2676—Blind, i.e. without using known symbols
    • 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
    • H04L27/2681—Details of algorithms characterised by constraints
    • H04L27/2685—Speed of convergence

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Circuits Of Receivers In General (AREA)
  • Mobile Radio Communication Systems (AREA)
TW094121525A 2004-06-28 2005-06-28 FFT carrier frequency offset estimation for OFDM signal TWI279990B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/FI2004/000390 WO2006000614A1 (en) 2004-06-28 2004-06-28 Fft carrier frequency offset estimation for ofdm signal

Publications (2)

Publication Number Publication Date
TW200623660A TW200623660A (en) 2006-07-01
TWI279990B true TWI279990B (en) 2007-04-21

Family

ID=35781579

Family Applications (1)

Application Number Title Priority Date Filing Date
TW094121525A TWI279990B (en) 2004-06-28 2005-06-28 FFT carrier frequency offset estimation for OFDM signal

Country Status (6)

Country Link
US (1) US8275052B2 (enExample)
EP (1) EP1762066B1 (enExample)
JP (1) JP4782113B2 (enExample)
CN (1) CN1993954B (enExample)
TW (1) TWI279990B (enExample)
WO (1) WO2006000614A1 (enExample)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8259828B2 (en) * 2008-02-12 2012-09-04 Mediatek Inc. Sub-carrier alignment mechanism for OFDM multi-carrier systems
US8891350B2 (en) 2008-07-07 2014-11-18 Mediatek Inc. Method and apparatus of data transmission over guard sub-carriers in multi-carrier OFDM systems
BR112014003231A2 (pt) * 2011-08-12 2017-03-14 Entropic Communications Inc método para selecionar bandas de frequência em dispositivo de rede para várias redes nativas
US9699667B2 (en) * 2012-01-09 2017-07-04 Qualcomm Incorporated Systems and methods to transmit configuration change messages between an access point and a station
CN102904843B (zh) * 2012-08-02 2015-04-22 京信通信系统（广州）有限公司 频偏估计的方法及装置
TWI467976B (zh) * 2012-09-28 2015-01-01 Mstar Semiconductor Inc 多載波通信系統的頻率偏補估計方法與相關裝置
EP2720427A1 (en) * 2012-10-12 2014-04-16 ST-Ericsson SA Estimation of CFO based on relative values of frequency bins corresponding to used subcarriers of received preamble symbols for OFDM systems
US9350590B2 (en) * 2013-10-25 2016-05-24 Texas Instruments Incorporated Method, system and apparatus for carrier frequency offset correction and channel estimation
US20200374079A1 (en) * 2019-08-15 2020-11-26 Andrey Chervyakov Single tap and single frequency network (sfn) high-speed train (hst) technologies
US10999116B1 (en) 2019-10-17 2021-05-04 Sirius Xm Radio Inc. Dynamic trigger compensation in OFDM systems

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JPH0795175A (ja) * 1993-09-27 1995-04-07 Toshiba Corp Ｏｆｄｍ信号復調装置
JP3074103B2 (ja) * 1993-11-16 2000-08-07 株式会社東芝 Ｏｆｄｍ同期復調回路
GB9625094D0 (en) 1996-12-03 1997-01-22 Ensigma Ltd Apparatus and methods for measuring coarse frequency offset of a multi-carrier signal
JP3563231B2 (ja) 1997-04-04 2004-09-08 株式会社デノン 周波数制御装置および方法、受信装置、ならびに、通信装置
JP3145054B2 (ja) * 1997-05-15 2001-03-12 富士通テン株式会社 直交周波数分割多重方式用受信機
JP3649560B2 (ja) * 1997-09-18 2005-05-18 株式会社デノン 直交周波数分割多重信号発生装置および方法、復調装置、通信装置、直交周波数分割多重信号発生プログラムが格納された記憶媒体および復調プログラムが格納された記憶媒体
JP3586084B2 (ja) * 1997-10-31 2004-11-10 株式会社デノン 周波数制御装置及び受信装置ならびに通信装置
JP2000124873A (ja) * 1998-10-14 2000-04-28 Matsushita Electric Ind Co Ltd Ｏｆｄｍ用送信装置および受信装置
US6650617B1 (en) * 2000-02-22 2003-11-18 Thomson Licensing S.A. Reduced complexity FFT window synchronization for an orthogonal frequency division multiplexing system
US7012881B2 (en) 2000-12-29 2006-03-14 Samsung Electronic Co., Ltd. Timing and frequency offset estimation scheme for OFDM systems by using an analytic tone
EP1391094A1 (en) * 2001-05-31 2004-02-25 Nortel Networks Limited Apparatus and method for measuring sub-carrier frequencies and sub-carrier frequency offsets
CA2390253A1 (en) * 2001-06-11 2002-12-11 Unique Broadband Systems, Inc. Ofdm multiple sub-channel communication system
TWI225335B (en) 2001-09-24 2004-12-11 Atheros Comm Inc Post-FFT scaling to reduce multiple effects and fine-frequency offset estimation and calculation and use to improve communication system performance
US7139320B1 (en) * 2001-10-11 2006-11-21 Texas Instruments Incorporated Method and apparatus for multicarrier channel estimation and synchronization using pilot sequences
JP3631200B2 (ja) * 2001-12-10 2005-03-23 三菱電機株式会社 直交周波数分割多重信号受信装置
US7039131B2 (en) * 2002-08-02 2006-05-02 Agere Systems Inc. Carrier frequency offset estimation in a wireless communication system
TW583853B (en) * 2002-08-16 2004-04-11 Realtek Semiconductor Corp Compensation method for synchronization of sampling frequency and carrier frequency in multi-carrier communication system and apparatus thereof
KR100576010B1 (ko) * 2002-10-08 2006-05-02 삼성전자주식회사 직교주파수분할다중 통신시스템의 보호구간 삽입/제거장치 및 방법
KR100488802B1 (ko) * 2002-12-09 2005-05-12 한국전자통신연구원 직교 주파수 분할 다중화 무선 통신 시스템에서의 반송파주파수 오차와 샘플링 주파수 오차 추적 방법 및 그 장치
CN1217503C (zh) * 2003-05-01 2005-08-31 清华大学 无导频辅助的正交频分复用全数字同步跟踪方法及系统
US20040228270A1 (en) * 2003-05-13 2004-11-18 Hou-Shin Chen Method of processing an OFDM signal and OFDM receiver using the same
TWI235560B (en) * 2003-10-31 2005-07-01 Ind Tech Res Inst Apparatus and method for synchronization of OFDM systems
JP4067505B2 (ja) * 2004-03-18 2008-03-26 三菱電機株式会社 Ｏｆｄｍ信号受信装置

Also Published As

Publication number Publication date
EP1762066B1 (en) 2012-12-12
CN1993954A (zh) 2007-07-04
CN1993954B (zh) 2013-01-02
US8275052B2 (en) 2012-09-25
JP4782113B2 (ja) 2011-09-28
EP1762066A1 (en) 2007-03-14
JP2008504726A (ja) 2008-02-14
US20090161771A1 (en) 2009-06-25
WO2006000614A1 (en) 2006-01-05
TW200623660A (en) 2006-07-01

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