ATE349844T1 - Kanalschätzer für ein ofdm system - Google Patents

Kanalschätzer für ein ofdm system

Info

Publication number
ATE349844T1
ATE349844T1 AT00114424T AT00114424T ATE349844T1 AT E349844 T1 ATE349844 T1 AT E349844T1 AT 00114424 T AT00114424 T AT 00114424T AT 00114424 T AT00114424 T AT 00114424T AT E349844 T1 ATE349844 T1 AT E349844T1
Authority
AT
Austria
Prior art keywords
ofdm system
channel estimation
present
channel estimator
basis
Prior art date
Application number
AT00114424T
Other languages
English (en)
Inventor
Richard Adv Stirling-Gallacher
Zhaocheng Wang
Thomas Doelle
Original Assignee
Sony Deutschland Gmbh
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 Sony Deutschland Gmbh filed Critical Sony Deutschland Gmbh
Application granted granted Critical
Publication of ATE349844T1 publication Critical patent/ATE349844T1/de

Links

Classifications

    • 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
    • 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
AT00114424T 2000-07-05 2000-07-05 Kanalschätzer für ein ofdm system ATE349844T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP00114424A EP1170916B1 (de) 2000-07-05 2000-07-05 Kanalschätzer für ein OFDM System

Publications (1)

Publication Number Publication Date
ATE349844T1 true ATE349844T1 (de) 2007-01-15

Family

ID=8169171

Family Applications (1)

Application Number Title Priority Date Filing Date
AT00114424T ATE349844T1 (de) 2000-07-05 2000-07-05 Kanalschätzer für ein ofdm system

Country Status (5)

Country Link
US (1) US7689242B2 (de)
EP (1) EP1170916B1 (de)
JP (1) JP2002101068A (de)
AT (1) ATE349844T1 (de)
DE (1) DE60032593T2 (de)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1530336B1 (de) 1999-01-08 2009-06-10 Sony Deutschland GmbH Synchronisierungspräambelstruktur für OFDM-System
US7230975B2 (en) * 2001-08-07 2007-06-12 Qualcomm Incorporated Adaptive pilot filter for a wireless communication system
US7209433B2 (en) * 2002-01-07 2007-04-24 Hitachi, Ltd. Channel estimation and compensation techniques for use in frequency division multiplexed systems
US7173991B2 (en) 2002-06-17 2007-02-06 Hitachi, Ltd. Methods and apparatus for spectral filtering channel estimates
US7139340B2 (en) * 2002-06-28 2006-11-21 Hitachi, Ltd. Robust OFDM carrier recovery methods and apparatus
US7386057B2 (en) 2003-02-20 2008-06-10 Nec Corporation Iterative soft interference cancellation and filtering for spectrally efficient high-speed transmission in MIMO systems
US7310301B1 (en) * 2003-04-18 2007-12-18 General Dynamics C4 Systems, Inc. Multi-carrier modulation with source information allocated over variable quality communication channel
CN100505596C (zh) * 2003-06-10 2009-06-24 北京邮电大学 一种适用于正交频分多址系统的信道估计方法
US20050059366A1 (en) 2003-09-16 2005-03-17 Atheros Communications, Inc. Spur mitigation techniques
KR100557158B1 (ko) * 2003-11-12 2006-03-03 삼성전자주식회사 직교 주파수 분할 다중 방식을 사용하는 이동통신시스템에서 부반송파 할당을 위한 장치 및 방법
US7570722B1 (en) 2004-02-27 2009-08-04 Marvell International Ltd. Carrier frequency offset estimation for OFDM systems
EP1757052A1 (de) * 2004-05-28 2007-02-28 Koninklijke Philips Electronics N.V. Verfahren zur signalverarbeitung und signalprozessor in einem ofdm-system
KR100651556B1 (ko) * 2004-06-30 2006-11-29 삼성전자주식회사 통신 시스템에서 ｃｉｎｒ 추정 장치 및 방법
FR2873877B1 (fr) 2004-08-02 2006-12-01 Wavecom Sa Procede de conception d'un filtre de reception numerique et dispositif de reception correspondant
US7848463B2 (en) * 2005-04-07 2010-12-07 Qualcomm Incorporated Adaptive time-filtering for channel estimation in OFDM system
KR100830415B1 (ko) * 2006-06-23 2008-05-20 재단법인서울대학교산학협력재단 다중 사용자 다중 셀 환경에서의 다중 송수신 안테나 장치및 그 방법
WO2009082849A1 (fr) * 2007-12-28 2009-07-09 Zte Corporation Procédé et appareil d'estimation de canal
EP2192735A1 (de) 2008-11-28 2010-06-02 Sony Corporation Empfangsvorrichtung und Verfahren zum Empfangen von Signalen in einem drahtlosen Kommunikationssystem mit verbesserter Entzerrungsleistung
EP2214362B1 (de) * 2009-02-02 2012-08-01 Sony Corporation Empfangsvorrichtung mit Frequenzbereichsentzerrer
US8743823B2 (en) 2009-02-12 2014-06-03 Qualcomm Incorporated Transmission with collision detection and mitigation for wireless communication
EP2226963B1 (de) 2009-03-04 2013-05-08 Sony Corporation Empfangsvorrichtung und Verfahren ohne Überabtastung bei der Analog-Digital-Umwandlung
CN102498734B (zh) * 2009-07-15 2015-04-15 黑莓有限公司 从多个信道估算技术之中进行选择
US8718194B2 (en) * 2009-11-30 2014-05-06 Qualcomm Incorporated Method and system for efficient channel estimation
US20110194430A1 (en) * 2009-12-18 2011-08-11 Qualcomm Incorporated Method and apparatus for unified channel estimation for wireless communication
US8699644B1 (en) 2010-10-28 2014-04-15 Marvell International Ltd. Adaptive low-complexity channel estimation
US9191256B2 (en) 2012-12-03 2015-11-17 Digital PowerRadio, LLC Systems and methods for advanced iterative decoding and channel estimation of concatenated coding systems
US10665554B2 (en) * 2017-10-30 2020-05-26 Taiwan Semiconductor Manufacturing Company Ltd. Magnetic structure for transmission lines in a package system

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2671923B1 (fr) 1991-01-17 1993-04-16 France Etat Dispositif de demodulation coherente de donnees numeriques entrelacees en temps et en frequence, a estimation de la reponse frequentielle du canal de transmission et seuillage, et emetteur correspondant.
US5375123A (en) * 1993-02-05 1994-12-20 Telefonakitebolaget L. M. Ericsson Allocation of channels using interference estimation
US5533063A (en) * 1994-01-31 1996-07-02 The Regents Of The University Of California Method and apparatus for multipath channel shaping
FI97180C (fi) 1994-11-03 1996-10-25 Nokia Mobile Phones Ltd Menetelmä kanavan estimoimiseksi ja vastaanotin
GB2307150B (en) * 1995-11-09 1999-10-20 Northern Telecom Ltd An interference reduction scheme and method
US5912876A (en) * 1997-01-15 1999-06-15 Ericsson, Inc. Method and apparatus for channel estimation
US6047171A (en) * 1998-01-08 2000-04-04 Ericsson Inc. Method and apparatus for combating adjacent channel interference using multiple IF filters
US5973642A (en) * 1998-04-01 1999-10-26 At&T Corp. Adaptive antenna arrays for orthogonal frequency division multiplexing systems with co-channel interference
US6327314B1 (en) * 1998-04-01 2001-12-04 At&T Corp. Method and apparatus for channel estimation for multicarrier systems
DE69833926T2 (de) 1998-09-11 2006-11-23 Motorola, Inc., Schaumburg Verfahren und Einrichtung zur Kanalschätzung und Kanalentzerrung in einem OFDM-Empfänger
US6654429B1 (en) * 1998-12-31 2003-11-25 At&T Corp. Pilot-aided channel estimation for OFDM in wireless systems
AU730282B2 (en) * 1999-02-18 2001-03-01 Nippon Telegraph & Telephone Corporation Coherent detection system for multicarrier modulation
US6463105B1 (en) * 1999-09-13 2002-10-08 Ericsson Inc. Methods and systems for estimation of the carrier to interference ratio for a wireless communication channel
US6487253B1 (en) * 1999-10-04 2002-11-26 Cisco Technology, Inc. OFDM channel estimation in the presence of interference

Also Published As

Publication number Publication date
DE60032593T2 (de) 2007-10-04
JP2002101068A (ja) 2002-04-05
EP1170916A1 (de) 2002-01-09
DE60032593D1 (de) 2007-02-08
US20020001352A1 (en) 2002-01-03
EP1170916B1 (de) 2006-12-27
US7689242B2 (en) 2010-03-30

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