ATE387055T1 - Schätzen eines übertragungskanals mit in einer verbandstruktur verteilten pilotsymbolen - Google Patents

Schätzen eines übertragungskanals mit in einer verbandstruktur verteilten pilotsymbolen

Info

Publication number
ATE387055T1
ATE387055T1 AT02796808T AT02796808T ATE387055T1 AT E387055 T1 ATE387055 T1 AT E387055T1 AT 02796808 T AT02796808 T AT 02796808T AT 02796808 T AT02796808 T AT 02796808T AT E387055 T1 ATE387055 T1 AT E387055T1
Authority
AT
Austria
Prior art keywords
sub
pilot symbols
transmission channel
values
several
Prior art date
Application number
AT02796808T
Other languages
English (en)
Inventor
Christophe Brutel
Philippe Mege
Original Assignee
Eads Secure Networks
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 Eads Secure Networks filed Critical Eads Secure Networks
Application granted granted Critical
Publication of ATE387055T1 publication Critical patent/ATE387055T1/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
    • H04L25/0224—Channel estimation using sounding signals
    • H04L25/0228—Channel estimation using sounding signals with direct estimation from sounding signals
    • H04L25/023—Channel estimation using sounding signals with direct estimation from sounding signals with extension to other symbols
    • H04L25/0232—Channel estimation using sounding signals with direct estimation from sounding signals with extension to other symbols by interpolation between sounding signals
    • 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
    • H04L25/0204—Channel estimation of multiple channels
    • 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
    • H04L25/022—Channel estimation of frequency response
    • 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
    • H04L25/024—Channel estimation channel estimation algorithms
    • H04L25/025—Channel estimation channel estimation algorithms using least-mean-square [LMS] method
    • 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
    • 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
    • H04L27/2697—Multicarrier modulation systems in combination with other modulation techniques
    • H04L27/2698—Multicarrier modulation systems in combination with other modulation techniques double density OFDM/OQAM system, e.g. OFDM/OQAM-IOTA system

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Transmitters (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
AT02796808T 2001-10-23 2002-10-18 Schätzen eines übertragungskanals mit in einer verbandstruktur verteilten pilotsymbolen ATE387055T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0113662A FR2831359B1 (fr) 2001-10-23 2001-10-23 Procede d'estimation d'un canal de transmission et dispositifs pour sa mise en oeuvre

Publications (1)

Publication Number Publication Date
ATE387055T1 true ATE387055T1 (de) 2008-03-15

Family

ID=8868600

Family Applications (1)

Application Number Title Priority Date Filing Date
AT02796808T ATE387055T1 (de) 2001-10-23 2002-10-18 Schätzen eines übertragungskanals mit in einer verbandstruktur verteilten pilotsymbolen

Country Status (8)

Country Link
US (1) US7310378B2 (de)
EP (1) EP1446927B1 (de)
AT (1) ATE387055T1 (de)
CA (1) CA2464697A1 (de)
DE (1) DE60225173T2 (de)
ES (1) ES2301704T3 (de)
FR (1) FR2831359B1 (de)
WO (1) WO2003036898A1 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2001296012A1 (en) * 2000-10-27 2002-05-06 Matsushita Electric Industrial Co., Ltd. Optical disc, recording apparatus and method, and reproduction apparatus and method
US7493080B2 (en) * 2003-09-22 2009-02-17 Cornell Research Foundation, Inc. Methods and systems for cooperative transmission in multi-hop ad-hoc networks
JP2005191801A (ja) * 2003-12-25 2005-07-14 Pioneer Electronic Corp 受信機、受信方法、受信制御用プログラム、および記録媒体
WO2006106922A1 (ja) * 2005-03-31 2006-10-12 Nec Corporation 伝搬路変動に適応した通信システムのリソース割り当て方法
US7508842B2 (en) * 2005-08-18 2009-03-24 Motorola, Inc. Method and apparatus for pilot signal transmission
EP2039094B1 (de) 2006-07-12 2012-06-27 France Telecom Verfahren zum Senden und Empfangen eines Mehrträgersignals mit isolierten Piloten sowie entsprechende Geräte und Computerprogramme
US8401109B2 (en) * 2006-07-12 2013-03-19 France Telecom Methods for sending and receiving a multicarrier signal comprising a preamble comprising data elements, corresponding devices and computer products
US8194531B2 (en) * 2006-07-12 2012-06-05 France Telecom Methods for transmitting and receiving a multicarrier signal, carrying out a channel estimation, and corresponding devices and computer program products
US8588171B2 (en) * 2006-09-25 2013-11-19 Panasonic Corporation Radio communication device and pilot arrangement method
US7652980B2 (en) * 2007-11-02 2010-01-26 Nokia Corporation Orthogonal frequency division multiplexing synchronization
CN110945816B (zh) * 2017-03-23 2022-09-23 创新技术实验室株式会社 用于传送和接收解调参考信号的方法和装置
CN110011948B (zh) * 2018-01-05 2023-09-22 中兴通讯股份有限公司 数据传输方法及装置、存储介质、电子装置

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2658016B1 (fr) * 1990-02-06 1994-01-21 Etat Francais Cnet Procede de diffusion de donnees numeriques, notamment pour la radiodiffusion a haut debit vers des mobiles, a entrelacement temps-frequence et demodulation coherente, et recepteur correspondant.
JP3145003B2 (ja) * 1995-03-23 2001-03-12 株式会社東芝 直交周波数分割多重伝送方式とその送信装置および受信装置
KR100226698B1 (ko) * 1996-12-28 1999-10-15 전주범 직교 주파수 분할 다중화 수신 시스템의 채널 등화 장치
US7418043B2 (en) * 2000-07-19 2008-08-26 Lot 41 Acquisition Foundation, Llc Software adaptable high performance multicarrier transmission protocol
US6990153B1 (en) * 2001-02-06 2006-01-24 Agency For Science, Technology And Research Method and apparatus for semi-blind communication channel estimation
US7298785B2 (en) * 2001-07-04 2007-11-20 Kabushiki Kaisha Toyota Chuo Kenkyusho Multicarrier demodulation method and apparatus, and multicarrier modulation method and apparatus
US6640088B2 (en) * 2001-12-14 2003-10-28 Motorola, Inc. Method and system for adaptive channel estimation techniques
AU2002219573A1 (en) * 2002-01-10 2003-07-30 Fujitsu Limited Pilot multiplex method in ofdm system and ofdm receiving method

Also Published As

Publication number Publication date
CA2464697A1 (fr) 2003-05-01
US20040246886A1 (en) 2004-12-09
EP1446927A1 (de) 2004-08-18
FR2831359B1 (fr) 2004-01-16
EP1446927B1 (de) 2008-02-20
FR2831359A1 (fr) 2003-04-25
WO2003036898A1 (fr) 2003-05-01
US7310378B2 (en) 2007-12-18
DE60225173T2 (de) 2009-03-05
ES2301704T3 (es) 2008-07-01
DE60225173D1 (de) 2008-04-03

Similar Documents

Publication Publication Date Title
ATE387055T1 (de) Schätzen eines übertragungskanals mit in einer verbandstruktur verteilten pilotsymbolen
WO2006083419A3 (en) Delay restricted channel estimation for multi-carrier systems
DE60238770D1 (de) Verfahren und gerät zur bestimmung, ob eine streckenanpassung in wcdma-übermittlungen durchgeführt werden soll oder nicht
WO2009009542A3 (en) Methods and apparatus for channel estimation and rate feedback in a peer to peer network
NO20090537L (no) Fleksibelt pilotmonster
WO2008150226A3 (en) Interference suppression in a multicarrier receiver
BR0115214A (pt) Método e equipamento para controlar o nìvel de potência de sinal em um sistema de comunicação
ATE420376T1 (de) Verfahren zur abschätzung des ortes eines gerätes
ATE298956T1 (de) Kanalschätzer mit variabler anzahl von abgriffen
ATE393527T1 (de) Vorrichtung und verfahren zur verringerung des verhältnisses von spitzen zur durchschnittsleistung in mehrträgerkommunikationssystemen
WO2002100064A3 (en) Method and system for processing a data unit
ATE483307T1 (de) Kommunikationsempfänger mit einem adaptiven entzerrer, welcher kanalschätzung verwendet
MY156910A (en) Technique for soft bit scaling
KR101580427B1 (ko) 시변 수중음향통신 채널을 위한 도플러 주파수 추정 및 수신방법
JP2008199602A (ja) 入力ノイズ白色化フィルタの適応動作によって受信信号をフィルタする装置および関連方法
CN111525955B (zh) 一种基于稀疏贝叶斯学习的可见光通信的均衡方法及***
TW200501572A (en) Communication receiver with an adaptive equalizer length
DE60332170D1 (de) Verbesserung der leistungen eines empfängers in interferenz-bedingungen
TW200711338A (en) Method and system for adapting an effective spreading sequence in a communication system using direct sequence spreading
CA2436174A1 (en) Apparatus and method for detecting a power ratio between a traffic channel and a pilot channel in a mobile communication system
ATE363773T1 (de) Verfahren und gerät zur dopplerspreizschätzung und dopplerverschiebungschätzung
Harivikram et al. Adaptive modulation and coding rate for OFDM systems
Yuan et al. Joint virtual time reversal communications with an orthogonal chirp spread spectrum over underwater acoustic channel
ATE297613T1 (de) Verfahren und einrichtung zum abschätzen des störabstandes eines signals
DE60107099D1 (de) Übermittlung von information mittels einer rahmenprüfmusterfolge womit ein informationsblock assoziiert ist

Legal Events

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