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DE602005003273D1 - Verfahren zum Schätzen des Frequenzversatzes in einem Kommunikationssystem über einen Rayleigh-Fading-Kanal - Google Patents

Verfahren zum Schätzen des Frequenzversatzes in einem Kommunikationssystem über einen Rayleigh-Fading-Kanal

Info

Publication number
DE602005003273D1
DE602005003273D1 DE602005003273T DE602005003273T DE602005003273D1 DE 602005003273 D1 DE602005003273 D1 DE 602005003273D1 DE 602005003273 T DE602005003273 T DE 602005003273T DE 602005003273 T DE602005003273 T DE 602005003273T DE 602005003273 D1 DE602005003273 D1 DE 602005003273D1
Authority
DE
Germany
Prior art keywords
communication system
frequency offset
system over
fading channel
rayleigh fading
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.)
Active
Application number
DE602005003273T
Other languages
English (en)
Other versions
DE602005003273T2 (de
Inventor
Young-Ho Jung
Jae-Hak Chung
Jae-Yeol Kim
Jae-Yeun Yun
Young-Uhk Kim
Yong-Hoon Lee
Won-Yong Shin
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
Korea Advanced Institute of Science and Technology KAIST
Original Assignee
Samsung Electronics Co Ltd
Korea Advanced Institute of Science and Technology KAIST
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, Korea Advanced Institute of Science and Technology KAIST filed Critical Samsung Electronics Co Ltd
Publication of DE602005003273D1 publication Critical patent/DE602005003273D1/de
Application granted granted Critical
Publication of DE602005003273T2 publication Critical patent/DE602005003273T2/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0045—Arrangements at the receiver end
    • H04L1/0054—Maximum-likelihood or sequential decoding, e.g. Viterbi, Fano, ZJ algorithms
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202—Channel estimation
    • H04L25/0224—Channel estimation using sounding signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
    • H04L27/22—Demodulator circuits; Receiver circuits
    • H04L27/227—Demodulator circuits; Receiver circuits using coherent demodulation
    • 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
    • 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
    • H04L27/2689—Link with other circuits, i.e. special connections between synchronisation arrangements and other circuits for achieving synchronisation
    • H04L27/2695—Link with other circuits, i.e. special connections between synchronisation arrangements and other circuits for achieving synchronisation with channel estimation, e.g. determination of delay spread, derivative or peak tracking
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Artificial Intelligence (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
DE602005003273T 2004-07-22 2005-07-22 Verfahren zum Schätzen des Frequenzversatzes in einem Kommunikationssystem über einen Rayleigh-Fading-Kanal Active DE602005003273T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020040057285A KR100606113B1 (ko) 2004-07-22 2004-07-22 빠른 레일리 페이딩 채널 환경의 이동통신 시스템에서최우 주파수 오프셋 추정 방법
KR2004057285 2004-07-22

Publications (2)

Publication Number Publication Date
DE602005003273D1 true DE602005003273D1 (de) 2007-12-27
DE602005003273T2 DE602005003273T2 (de) 2008-03-13

Family

ID=36080960

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602005003273T Active DE602005003273T2 (de) 2004-07-22 2005-07-22 Verfahren zum Schätzen des Frequenzversatzes in einem Kommunikationssystem über einen Rayleigh-Fading-Kanal

Country Status (5)

Country Link
US (1) US20060018412A1 (de)
EP (1) EP1619846B1 (de)
KR (1) KR100606113B1 (de)
CN (1) CN1738300B (de)
DE (1) DE602005003273T2 (de)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004039016A1 (de) * 2004-08-11 2006-02-23 Rohde & Schwarz Gmbh & Co. Kg Verfahren und Vorrichtung zum Schätzen der Frequenz und/oder der Phase mit blockweiser Grobschätzung
US8228950B2 (en) * 2005-09-18 2012-07-24 Alvarion Ltd. Method and device for handling ranging signals in a wireless communications network
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
KR100846219B1 (ko) * 2007-01-02 2008-07-15 세종대학교산학협력단 주파수의 오차 추정 장치 및 그 방법
KR101548324B1 (ko) * 2007-08-08 2015-09-07 한국전자통신연구원 무선통신시스템에서 신호형성방법 및 장치
US7929937B2 (en) * 2007-10-24 2011-04-19 The Trustees Of Princeton University System and method for blind estimation of multiple carrier frequency offsets and separation of user signals in wireless communications systems
TWI353756B (en) * 2008-03-11 2011-12-01 Univ Nat Chiao Tung Method for ofdm and ofdma channel estimation
KR101081936B1 (ko) 2010-04-05 2011-11-09 성균관대학교산학협력단 훈련 심볼을 이용한 ｏｆｄｍ 시스템 주파수 옵셋 추정 방법 및 장치
KR101433905B1 (ko) * 2010-12-22 2014-09-23 한국전자통신연구원 자동 주파수 제어 장치 및 방법
WO2014074094A1 (en) * 2012-11-07 2014-05-15 Johnson Controls Technology Company Frequency shifting method for universal transmitters
KR20170041055A (ko) * 2015-10-06 2017-04-14 삼성에스디에스 주식회사 사용자 위치 추적 방법
US10848348B1 (en) * 2019-09-09 2020-11-24 GM Global Technology Operations LLC Low-complexity channel estimator for OFDM receivers
CN111934795A (zh) * 2020-08-18 2020-11-13 电子科技大学 干扰环境中信噪比和干扰功率的估计方法
CN114217266B (zh) * 2021-11-30 2024-06-11 清华大学 基于天线数据时域拟合的降低信道误差的处理方法
CN114839478A (zh) * 2022-05-10 2022-08-02 国网山东省电力公司淄博供电公司 一种基于最大似然估计的配电网相量和频率测量方法
CN115242587B (zh) * 2022-07-27 2023-08-01 西安电子科技大学 一种低信噪比环境下基于数据辅助的载波频偏估计方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6304618B1 (en) * 1998-08-31 2001-10-16 Ericsson Inc. Methods and systems for reducing co-channel interference using multiple timings for a received signal
DE69942222D1 (de) * 1999-02-11 2010-05-20 Motorola Inc Schätzung von Träger- und Abtastungsfrequenzverschiebungen in Mehrträgerempfängern
CN1248439C (zh) * 2002-08-22 2006-03-29 上海交通大学 正交频分复用系统中频率同步实现方法
US6975839B2 (en) * 2002-09-19 2005-12-13 Nokia Corporation Apparatus, and associated method, for estimating frequency offset using filtered, down-sampled likelihood polynomials
CA2483117C (en) * 2003-09-29 2013-10-29 Xianbin Wang Multi-symbol encapsulated ofdm system

Also Published As

Publication number Publication date
CN1738300A (zh) 2006-02-22
US20060018412A1 (en) 2006-01-26
DE602005003273T2 (de) 2008-03-13
EP1619846A1 (de) 2006-01-25
KR100606113B1 (ko) 2006-07-28
CN1738300B (zh) 2011-02-09
EP1619846B1 (de) 2007-11-14
KR20060009434A (ko) 2006-02-01

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