DE60032593D1 - Kanalschätzer für ein OFDM System - Google Patents

Kanalschätzer für ein OFDM System

Info

Publication number
DE60032593D1
DE60032593D1 DE60032593T DE60032593T DE60032593D1 DE 60032593 D1 DE60032593 D1 DE 60032593D1 DE 60032593 T DE60032593 T DE 60032593T DE 60032593 T DE60032593 T DE 60032593T DE 60032593 D1 DE60032593 D1 DE 60032593D1
Authority
DE
Germany
Prior art keywords
ofdm system
channel estimation
present
channel estimator
basis
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 - Lifetime
Application number
DE60032593T
Other languages
English (en)
Other versions
DE60032593T2 (de
Inventor
Richard Adv Stirling-Gallacher
Zhaocheng Wang
Thomas Doelle
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.)
Sony Deutschland GmbH
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 DE60032593D1 publication Critical patent/DE60032593D1/de
Publication of DE60032593T2 publication Critical patent/DE60032593T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Noise Elimination (AREA)
DE60032593T 2000-07-05 2000-07-05 Kanalschätzer für ein OFDM System Expired - Lifetime DE60032593T2 (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 (2)

Publication Number Publication Date
DE60032593D1 true DE60032593D1 (de) 2007-02-08
DE60032593T2 DE60032593T2 (de) 2007-10-04

Family

ID=8169171

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60032593T Expired - Lifetime DE60032593T2 (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
EP1705852B1 (de) 1999-01-08 2010-02-10 Sony Deutschland Gmbh Synchronisierungssymbolstruktur für ein 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
US7756003B1 (en) 2004-02-27 2010-07-13 Marvell International Ltd. Adaptive OFDM transmitter based on carrier frequency offset
CN1961550A (zh) * 2004-05-28 2007-05-09 皇家飞利浦电子股份有限公司 Ofdm系统中用于信号处理的方法和信号处理器
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
KR20120062693A (ko) * 2009-07-15 2012-06-14 노오텔 네트웍스 리미티드 복수 채널 추정 기술 중에서의 선택
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
US6327314B1 (en) * 1998-04-01 2001-12-04 At&T Corp. Method and apparatus for channel estimation for multicarrier systems
US5973642A (en) * 1998-04-01 1999-10-26 At&T Corp. Adaptive antenna arrays for orthogonal frequency division multiplexing systems with co-channel interference
EP0987831B1 (de) 1998-09-11 2006-03-22 Motorola, Inc. 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
US7689242B2 (en) 2010-03-30
JP2002101068A (ja) 2002-04-05
EP1170916A1 (de) 2002-01-09
US20020001352A1 (en) 2002-01-03
DE60032593T2 (de) 2007-10-04
ATE349844T1 (de) 2007-01-15
EP1170916B1 (de) 2006-12-27

Similar Documents

Publication Publication Date Title
DE60032593D1 (de) Kanalschätzer für ein OFDM System
DE60112582D1 (de) Empfänger und verfahren zur unterdrückung von gleichkanalstörungen
KR100439877B1 (ko) 채널 구성방법 및 이 방법을 이용하는 기지국
DE602005002525D1 (de) Einrichtung und Verfahren zur pilotgestützten Kanalschätzung in Zeitachse in einem OFDM Kommunikationssystem
HK1048207A1 (zh) 在無線通信系統中的自適應信道估計
WO2005029722A8 (en) Initial synchronization for receivers
EP2320594A3 (de) Gestreute Pilotmuster und Kanalschätzverfahren für MIMO-OFDM-Systeme
KR20090057862A (ko) 무선 통신 시스템에서의 채널 추정 방법 및 장치
KR100542115B1 (ko) Ｏｆｄｍａ기반 셀룰러 시스템 기지국의 위상 왜곡 보상장치 및 방법
WO2007052981A3 (en) Method of transmitting signals for initial synchronization in a wireless communication system using orthogonal frequency division multiplexing (ofdm) or ofdm access (ofdma) scheme
ATE392063T1 (de) Verfahren und gerät zur auswahl von spreizparametern eines ofdm-cdma-systems
JP2009212590A (ja) 無線通信装置
WO2007035073A3 (en) A method and apparatus for interference cancellation
AU7627401A (en) Method for the transmission of digital data by means of radio signals with orthogonal frequency division multiplexing (ofdm)
CN102104433B (zh) 符号检测方法和符号检测设备
ATE545252T1 (de) Wiederverwendung einer trainingssequenz zwischen frequenzangrenzenden funksignalen
JP2010021642A (ja) 無線通信システム、無線通信装置、無線通信方法、およびプログラム
KR20070091054A (ko) 시변하는 통신 조건들을 나타내는 통신 시스템을 위한 장치및 관련 방법
ATE474407T1 (de) Verbundene raum-zeit-optimalfilter (jstof) zur störungslöschung
JP2001308820A5 (de)
KR102387559B1 (ko) 대역폭 가변 td-lte ics 중계 장치 및 방법
WO2006107136A1 (en) Apparatus and method for detecting preamble and rf repeating system using the same
KR101471678B1 (ko) Ｌｔｅ 시스템에서의 잡음 전력 추정 장치 및 방법
KR20100066218A (ko) 이산 푸리에 변환 기반의 채널 추정기 및 방법
KR20030091589A (ko) 오에프디엠 송신기 및 그의 ｏｆｄｍ 심볼에 보호구간삽입방법

Legal Events

Date Code Title Description
8364 No opposition during term of opposition