ATE357103T1 - Empfänger für ein mehrträger-kommunikationssystem - Google Patents

Empfänger für ein mehrträger-kommunikationssystem

Info

Publication number
ATE357103T1
ATE357103T1 AT04735635T AT04735635T ATE357103T1 AT E357103 T1 ATE357103 T1 AT E357103T1 AT 04735635 T AT04735635 T AT 04735635T AT 04735635 T AT04735635 T AT 04735635T AT E357103 T1 ATE357103 T1 AT E357103T1
Authority
AT
Austria
Prior art keywords
data
pilot carriers
carriers
trpc
receiver
Prior art date
Application number
AT04735635T
Other languages
English (en)
Inventor
Bart Abraham J De
Edwin R Dilling
Original Assignee
Koninkl Philips Electronics Nv
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 Koninkl Philips Electronics Nv filed Critical Koninkl Philips Electronics Nv
Application granted granted Critical
Publication of ATE357103T1 publication Critical patent/ATE357103T1/de

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/26Systems using multi-frequency codes
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/26Systems using multi-frequency codes
    • H04L27/2601Multicarrier modulation systems
    • H04L27/2647Arrangements specific to the receiver only
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00Baseband systems
    • H04L25/02Details ; arrangements for supplying electrical power along data transmission lines
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00Baseband systems
    • H04L25/02Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202Channel estimation
    • H04L25/0224Channel estimation using sounding signals
    • H04L25/0228Channel estimation using sounding signals with direct estimation from sounding signals
    • H04L25/023Channel estimation using sounding signals with direct estimation from sounding signals with extension to other symbols
    • H04L25/0236Channel estimation using sounding signals with direct estimation from sounding signals with extension to other symbols using estimation of the other symbols
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00Baseband systems
    • H04L25/02Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006Arrangements for removing intersymbol interference
    • H04L2025/0335Arrangements for removing intersymbol interference characterised by the type of transmission
    • H04L2025/03375Passband transmission
    • H04L2025/03414Multicarrier
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/26Systems using multi-frequency codes
    • H04L27/2601Multicarrier modulation systems
    • H04L27/2602Signal structure
    • H04L27/261Details of reference signals
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/26Systems using multi-frequency codes
    • H04L27/2601Multicarrier modulation systems
    • H04L27/2647Arrangements specific to the receiver only
    • H04L27/2655Synchronisation arrangements
    • H04L27/2657Carrier synchronisation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/26Systems using multi-frequency codes
    • H04L27/2601Multicarrier modulation systems
    • H04L27/2647Arrangements specific to the receiver only
    • H04L27/2655Synchronisation arrangements
    • H04L27/2662Symbol synchronisation

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Circuits Of Receivers In General (AREA)
  • Radio Relay Systems (AREA)
  • Communication Control (AREA)
  • Radio Transmission System (AREA)
AT04735635T 2003-06-11 2004-06-01 Empfänger für ein mehrträger-kommunikationssystem ATE357103T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP03101696 2003-06-11

Publications (1)

Publication Number Publication Date
ATE357103T1 true ATE357103T1 (de) 2007-04-15

Family

ID=33495643

Family Applications (1)

Application Number Title Priority Date Filing Date
AT04735635T ATE357103T1 (de) 2003-06-11 2004-06-01 Empfänger für ein mehrträger-kommunikationssystem

Country Status (8)

Country Link
US (1) US7830970B2 (de)
EP (1) EP1636957B1 (de)
JP (1) JP2006527562A (de)
KR (1) KR20060022687A (de)
CN (1) CN100547989C (de)
AT (1) ATE357103T1 (de)
DE (1) DE602004005343T2 (de)
WO (1) WO2004110012A1 (de)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070076808A1 (en) * 2004-08-12 2007-04-05 Manish Bhardwaj Method and apparatus to track gain variation in orthogonal frequency division multiplexing (OFDM) systems
EP1641206A3 (de) * 2004-09-08 2007-01-03 Tata Consultancy Services Limited Sub-träger einer niedrigeren Modulationsordnung zur semi-blinden Kanalschätzung in einem OFDM System
KR101084124B1 (ko) * 2004-10-25 2011-11-17 엘지전자 주식회사 직교 주파수 분할 다중화를 이용한 브로드캐스트에적용되는 차등 진폭 위상 변조 방법
WO2006119583A1 (en) * 2005-05-13 2006-11-16 Dspace Pty Ltd Method and system for communicating information in a digital signal
CN1976255B (zh) * 2005-11-28 2011-03-16 上海原动力通信科技有限公司 实现用户在高速移动下正常通信的方法
US7953191B2 (en) * 2005-12-28 2011-05-31 Thomson Licensing Gain control method and device for a bursty data frame reception system
US8290031B1 (en) * 2006-08-14 2012-10-16 The Board Of Trustees Of The Leland Stanford Junior University Arrangements and methods for providing compensation for non-idealities of components in communications systems
US7929630B2 (en) * 2006-09-11 2011-04-19 Symbol Technologies, Inc. Adaptive RFID receiver for QAM signals
US8867570B2 (en) * 2007-05-01 2014-10-21 Broadcom Corporation Methods of transmitting pilot tones and data in spatial multiplexing transmission
EP1988676B1 (de) * 2007-05-03 2019-02-20 Telefonaktiebolaget LM Ericsson (publ) Bestimmung eines frequenzfehlers bei einem empfänger eines drahtlosen ofdm-kommunikationssystems
KR100867997B1 (ko) 2007-05-07 2008-11-10 한국전자통신연구원 Ofdm 계층 변조 시스템의 수신기에서의 채널 위상 추정장치 및 방법
CN101998260A (zh) * 2009-08-10 2011-03-30 中兴通讯股份有限公司 接收多媒体广播和组播业务的方法、装置和系统
KR101239131B1 (ko) * 2009-11-05 2013-03-08 한국전자통신연구원 무선주파수인식 리더 및 그것의 이득 제어 방법
AU2011338136B2 (en) * 2011-01-27 2016-10-06 Commonwealth Scientific And Industrial Research Organisation Reducing out-of-band emission
US8942275B2 (en) * 2011-04-29 2015-01-27 Telefonaktiebolaget L M Ericsson (Publ) Controlling uplink multi-antenna transmissions in a telecommunication system
US9210024B2 (en) 2012-08-17 2015-12-08 Intel Corporation Methods and arrangements for channel updates in wireless networks
EP3086478B1 (de) * 2015-04-23 2018-09-19 Nxp B.V. Drahtloser empfänger und verfahren
JP6540295B2 (ja) * 2015-07-09 2019-07-10 富士通株式会社 適応等化回路、ディジタルコヒーレント受信器および適応等化方法
US9705599B2 (en) * 2015-07-30 2017-07-11 Google Inc. Systems for improved spectral efficiency in multi-carrier communication systems
CN106921475B (zh) * 2015-12-25 2019-12-13 深圳市中兴微电子技术有限公司 一种数据接收方法及装置
US10461963B2 (en) * 2017-06-01 2019-10-29 Silicon Laboratories Inc. Two-dimensional filtering of pilots and carriers for OFDM channel estimation

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9302983D0 (en) 1993-02-15 1993-03-31 Univ London One-pot assay
JP3238120B2 (ja) 1997-01-31 2001-12-10 株式会社次世代デジタルテレビジョン放送システム研究所 直交周波数分割多重信号復調装置
US6317473B1 (en) * 1997-05-02 2001-11-13 Lsi Logic Corporation Demodulating digital video broadcast signals
KR100224863B1 (ko) 1997-08-20 1999-10-15 윤종용 Ofdm 수신기를 위한 등화 방법과 등화기
DE69940235D1 (de) * 1998-05-26 2009-02-26 Panasonic Corp Modulator, Demodulator, und Übertragungssystem für OFDM-Übertragung
JP2000165344A (ja) 1998-11-26 2000-06-16 Matsushita Electric Ind Co Ltd Ofdm通信装置
US6370188B1 (en) 1999-03-31 2002-04-09 Texas Instruments Incorporated Phase and frequency offset compensation in a telecommunications receiver
JP3555843B2 (ja) 1999-03-31 2004-08-18 日本電気株式会社 復調装置
JP4488605B2 (ja) 1999-07-30 2010-06-23 パナソニック株式会社 Ofdm信号の伝送方法、送信装置及び受信装置
US7027464B1 (en) 1999-07-30 2006-04-11 Matsushita Electric Industrial Co., Ltd. OFDM signal transmission scheme, and OFDM signal transmitter/receiver
JP2001069118A (ja) 1999-08-31 2001-03-16 Matsushita Electric Ind Co Ltd Ofdm通信装置及び伝搬路推定方法
KR100325367B1 (ko) * 2000-01-28 2002-03-04 박태진 직교 주파수 분할 다중 통신 시스템에서의 비트 오율 측정장치및 방법
JP2002204215A (ja) 2000-12-28 2002-07-19 Kddi Research & Development Laboratories Inc Ofdm受信装置の位相誤差補正装置
JP3942361B2 (ja) 2001-01-15 2007-07-11 三洋電機株式会社 デジタル信号受信装置
US6633616B2 (en) 2001-02-21 2003-10-14 Magis Networks, Inc. OFDM pilot tone tracking for wireless LAN
JP2002314506A (ja) 2001-04-18 2002-10-25 Sony Corp 受信装置及び受信方法
US20030012308A1 (en) * 2001-06-13 2003-01-16 Sampath Hemanth T. Adaptive channel estimation for wireless systems
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
JP3637965B2 (ja) * 2001-11-22 2005-04-13 日本電気株式会社 無線通信システム
KR100790114B1 (ko) * 2002-03-16 2007-12-31 삼성전자주식회사 직교주파수 분할다중 접속 시스템에서 적응적 파일럿반송파 할당 방법 및 장치
JP3538187B2 (ja) * 2002-03-26 2004-06-14 株式会社東芝 Ofdm受信装置およびofdm受信装置におけるデータ復調方法

Also Published As

Publication number Publication date
EP1636957A1 (de) 2006-03-22
US20060198449A1 (en) 2006-09-07
DE602004005343D1 (de) 2007-04-26
US7830970B2 (en) 2010-11-09
JP2006527562A (ja) 2006-11-30
CN1802833A (zh) 2006-07-12
CN100547989C (zh) 2009-10-07
WO2004110012A1 (en) 2004-12-16
DE602004005343T2 (de) 2007-11-29
EP1636957B1 (de) 2007-03-14
KR20060022687A (ko) 2006-03-10

Similar Documents

Publication Publication Date Title
ATE357103T1 (de) Empfänger für ein mehrträger-kommunikationssystem
EP1755256B1 (de) Verfahren zur Symboltaktsynchronisation in Kommunikationssystemen
US8630244B2 (en) Channel structuring method and base station therewith
US7167513B2 (en) IQ imbalance correction
US8265043B2 (en) Transmitting device, receiving device, and method used in mobile communication system employing OFDM
US20120224659A1 (en) Pilot design for wireless system
TW200420005A (en) Velocity enhancement for OFDM systems
US8831148B1 (en) Tracking automatic gain control of orthogonal frequency domain multiplexing systems
EP1665698A4 (de) Frequenzbereichs-entzerrer für ein drahtloses kommunikationssystem
CN101313501A (zh) 多载波通信系统中的频率校正
US8402332B2 (en) Reception apparatus, reception method and reception system
CN102150404A (zh) 将使用哪一训练序列码集来用于通信链路以信号发送到移动装置的方法和设备
CN105490980B (zh) 一种载波频偏估计方法和系统
US20050281292A1 (en) Methods and systems for communicating using transmitted symbols associated with multiple time durations
ATE349844T1 (de) Kanalschätzer für ein ofdm system
CA2423583A1 (fr) Signal multiporteuse a pilotes repartis concu pour limiter l'interference affectant tels pilotes
ATE366020T1 (de) Reduzierung des overheads zur kanalzuteilung im abwärtskanal eines mehrträgersystems
US20190245728A1 (en) Method for transmitting phase noise compensation reference signal, transmission device and reception device
JP4279646B2 (ja) 通信装置
CN103404038B (zh) 接收装置、接收方法和程序
JP4016117B2 (ja) 無線通信チャネルで異なる変調スキームで変調されたバーストを含むフレームを伝送する方法
JP2882176B2 (ja) 時分割多重デジタル無線通信方式
SE9904281D0 (sv) A digital communication receiver and a method for the operation thereof
US7302014B1 (en) Timing recovery in a transmission system
CN114051713B (zh) 用于协调波束成形的保护间隔适配

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties