FR2820574B1 - Procede d'extraction d'un motif de symboles de reference servant a estimer la fonction de transfert d'un canal de transmission, signal, dispositif et procedes correspondants - Google Patents

Procede d'extraction d'un motif de symboles de reference servant a estimer la fonction de transfert d'un canal de transmission, signal, dispositif et procedes correspondants

Info

Publication number
FR2820574B1
FR2820574B1 FR0101751A FR0101751A FR2820574B1 FR 2820574 B1 FR2820574 B1 FR 2820574B1 FR 0101751 A FR0101751 A FR 0101751A FR 0101751 A FR0101751 A FR 0101751A FR 2820574 B1 FR2820574 B1 FR 2820574B1
Authority
FR
France
Prior art keywords
estimating
extracting
signal
transfer function
reference symbol
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 - Fee Related
Application number
FR0101751A
Other languages
English (en)
Other versions
FR2820574A1 (fr
Inventor
Michel Alard
Nathalie Goudard
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.)
Sierra Wireless SA
Original Assignee
Wavecom SA
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
Priority to FR0101751A priority Critical patent/FR2820574B1/fr
Application filed by Wavecom SA filed Critical Wavecom SA
Priority to JP2002564876A priority patent/JP4150591B2/ja
Priority to CN02806251.5A priority patent/CN1496622B/zh
Priority to EP02702465A priority patent/EP1358728A1/fr
Priority to PCT/FR2002/000486 priority patent/WO2002065685A1/fr
Priority to BRPI0207123-1A priority patent/BR0207123A/pt
Priority to KR1020037010498A priority patent/KR100914021B1/ko
Priority to US10/467,571 priority patent/US7313174B2/en
Publication of FR2820574A1 publication Critical patent/FR2820574A1/fr
Application granted granted Critical
Publication of FR2820574B1 publication Critical patent/FR2820574B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
    • H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
    • 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
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0006—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission format
    • H04L1/0007—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission format by modifying the frame length
FR0101751A 2001-02-08 2001-02-08 Procede d'extraction d'un motif de symboles de reference servant a estimer la fonction de transfert d'un canal de transmission, signal, dispositif et procedes correspondants Expired - Fee Related FR2820574B1 (fr)

Priority Applications (8)

Application Number Priority Date Filing Date Title
FR0101751A FR2820574B1 (fr) 2001-02-08 2001-02-08 Procede d'extraction d'un motif de symboles de reference servant a estimer la fonction de transfert d'un canal de transmission, signal, dispositif et procedes correspondants
CN02806251.5A CN1496622B (zh) 2001-02-08 2002-02-07 可变参考模式提取方法及装置
EP02702465A EP1358728A1 (fr) 2001-02-08 2002-02-07 Procede d'extraction d'un motif de reference variable
PCT/FR2002/000486 WO2002065685A1 (fr) 2001-02-08 2002-02-07 Procede d'extraction d'un motif de reference variable
JP2002564876A JP4150591B2 (ja) 2001-02-08 2002-02-07 可変の基準パターンを抽出する方法
BRPI0207123-1A BR0207123A (pt) 2001-02-08 2002-02-07 método para extrair um padrão de referência variável
KR1020037010498A KR100914021B1 (ko) 2001-02-08 2002-02-07 가변의 기준 패턴의 추출방법
US10/467,571 US7313174B2 (en) 2001-02-08 2002-02-07 Method for extracting a variable reference pattern

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0101751A FR2820574B1 (fr) 2001-02-08 2001-02-08 Procede d'extraction d'un motif de symboles de reference servant a estimer la fonction de transfert d'un canal de transmission, signal, dispositif et procedes correspondants

Publications (2)

Publication Number Publication Date
FR2820574A1 FR2820574A1 (fr) 2002-08-09
FR2820574B1 true FR2820574B1 (fr) 2005-08-05

Family

ID=8859809

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0101751A Expired - Fee Related FR2820574B1 (fr) 2001-02-08 2001-02-08 Procede d'extraction d'un motif de symboles de reference servant a estimer la fonction de transfert d'un canal de transmission, signal, dispositif et procedes correspondants

Country Status (8)

Country Link
US (1) US7313174B2 (fr)
EP (1) EP1358728A1 (fr)
JP (1) JP4150591B2 (fr)
KR (1) KR100914021B1 (fr)
CN (1) CN1496622B (fr)
BR (1) BR0207123A (fr)
FR (1) FR2820574B1 (fr)
WO (1) WO2002065685A1 (fr)

Families Citing this family (76)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9130810B2 (en) 2000-09-13 2015-09-08 Qualcomm Incorporated OFDM communications methods and apparatus
US7295509B2 (en) 2000-09-13 2007-11-13 Qualcomm, Incorporated Signaling method in an OFDM multiple access system
US7035595B1 (en) * 2002-01-10 2006-04-25 Berkana Wireless, Inc. Configurable wireless interface
US20040017860A1 (en) * 2002-07-29 2004-01-29 Jung-Tao Liu Multiple antenna system for varying transmission streams
KR100507519B1 (ko) 2002-12-13 2005-08-17 한국전자통신연구원 Ｏｆｄｍａ 기반 셀룰러 시스템의 하향링크를 위한 신호구성 방법 및 장치
CN1306745C (zh) * 2003-05-30 2007-03-21 电子科技大学 一种基于时间频率同步训练序列的导引方法
CN1833387B (zh) * 2003-08-12 2016-03-02 知识产权之桥一号有限责任公司 无线通信装置以及导频码元传输方法
US7092353B2 (en) 2003-10-17 2006-08-15 Qualcomm Incorporated Carrier search methods and apparatus
US7339999B2 (en) 2004-01-21 2008-03-04 Qualcomm Incorporated Pilot transmission and channel estimation for an OFDM system with excess delay spread
US8553822B2 (en) 2004-01-28 2013-10-08 Qualcomm Incorporated Time filtering for excess delay mitigation in OFDM systems
EP1589687A1 (fr) 2004-04-23 2005-10-26 France Telecom Procédé d'émission d'un signal dans un système multi-antennes, signal et procédé d'estimation de canal correspondants
US7457231B2 (en) * 2004-05-04 2008-11-25 Qualcomm Incorporated Staggered pilot transmission for channel estimation and time tracking
CN100359959C (zh) * 2004-06-01 2008-01-02 华为技术有限公司 一种在正交多路频分复用系统中实现信道估计的方法
GB2415872B (en) * 2004-06-30 2007-09-05 Samsung Electronics Co Ltd Multicarrier transmission systems
US9148256B2 (en) 2004-07-21 2015-09-29 Qualcomm Incorporated Performance based rank prediction for MIMO design
US9137822B2 (en) 2004-07-21 2015-09-15 Qualcomm Incorporated Efficient signaling over access channel
EP1838022A4 (fr) * 2005-01-06 2012-12-12 Fujitsu Ltd Systeme de communication sans fil
EP1859580B1 (fr) * 2005-03-08 2012-03-07 Telefonaktiebolaget LM Ericsson (publ) Procede et systeme de perfectionnement de metrique d'acheminement dans des reseaux multi-sauts
US9246560B2 (en) 2005-03-10 2016-01-26 Qualcomm Incorporated Systems and methods for beamforming and rate control in a multi-input multi-output communication systems
US9154211B2 (en) 2005-03-11 2015-10-06 Qualcomm Incorporated Systems and methods for beamforming feedback in multi antenna communication systems
US8446892B2 (en) 2005-03-16 2013-05-21 Qualcomm Incorporated Channel structures for a quasi-orthogonal multiple-access communication system
US9143305B2 (en) 2005-03-17 2015-09-22 Qualcomm Incorporated Pilot signal transmission for an orthogonal frequency division wireless communication system
US9520972B2 (en) 2005-03-17 2016-12-13 Qualcomm Incorporated Pilot signal transmission for an orthogonal frequency division wireless communication system
US9461859B2 (en) * 2005-03-17 2016-10-04 Qualcomm Incorporated Pilot signal transmission for an orthogonal frequency division wireless communication system
US9184870B2 (en) 2005-04-01 2015-11-10 Qualcomm Incorporated Systems and methods for control channel signaling
JPWO2006107037A1 (ja) * 2005-04-04 2008-09-25 日本電気株式会社 Ｏｆｄｍ通信システム、そのフィードバック情報生成方法、および通信装置
US9036538B2 (en) 2005-04-19 2015-05-19 Qualcomm Incorporated Frequency hopping design for single carrier FDMA systems
US9408220B2 (en) 2005-04-19 2016-08-02 Qualcomm Incorporated Channel quality reporting for adaptive sectorization
US20060240784A1 (en) * 2005-04-22 2006-10-26 Qualcomm Incorporated Antenna array calibration for wireless communication systems
US8611284B2 (en) 2005-05-31 2013-12-17 Qualcomm Incorporated Use of supplemental assignments to decrement resources
US8565194B2 (en) 2005-10-27 2013-10-22 Qualcomm Incorporated Puncturing signaling channel for a wireless communication system
US8879511B2 (en) 2005-10-27 2014-11-04 Qualcomm Incorporated Assignment acknowledgement for a wireless communication system
US8462859B2 (en) 2005-06-01 2013-06-11 Qualcomm Incorporated Sphere decoding apparatus
US8498669B2 (en) * 2005-06-16 2013-07-30 Qualcomm Incorporated Antenna array calibration for wireless communication systems
US9179319B2 (en) 2005-06-16 2015-11-03 Qualcomm Incorporated Adaptive sectorization in cellular systems
US8599945B2 (en) 2005-06-16 2013-12-03 Qualcomm Incorporated Robust rank prediction for a MIMO system
US7970069B2 (en) 2005-07-29 2011-06-28 Panasonic Corporation Wireless communication apparatus and wireless communication method
US8885628B2 (en) 2005-08-08 2014-11-11 Qualcomm Incorporated Code division multiplexing in a single-carrier frequency division multiple access system
US9209956B2 (en) 2005-08-22 2015-12-08 Qualcomm Incorporated Segment sensitive scheduling
US20070041457A1 (en) 2005-08-22 2007-02-22 Tamer Kadous Method and apparatus for providing antenna diversity in a wireless communication system
US8644292B2 (en) 2005-08-24 2014-02-04 Qualcomm Incorporated Varied transmission time intervals for wireless communication system
US9136974B2 (en) 2005-08-30 2015-09-15 Qualcomm Incorporated Precoding and SDMA support
CN101278585A (zh) * 2005-09-30 2008-10-01 松下电器产业株式会社 无线通信移动台装置以及随机接入信道数据发送方法
WO2007042898A1 (fr) * 2005-10-07 2007-04-19 Nokia Corporation Appareil, procede et produit programme informatique offrant un canal pilote commun pour la reutilisation d'une frequence douce
US9210651B2 (en) 2005-10-27 2015-12-08 Qualcomm Incorporated Method and apparatus for bootstraping information in a communication system
US9225488B2 (en) 2005-10-27 2015-12-29 Qualcomm Incorporated Shared signaling channel
US9144060B2 (en) 2005-10-27 2015-09-22 Qualcomm Incorporated Resource allocation for shared signaling channels
US9172453B2 (en) 2005-10-27 2015-10-27 Qualcomm Incorporated Method and apparatus for pre-coding frequency division duplexing system
US8045512B2 (en) 2005-10-27 2011-10-25 Qualcomm Incorporated Scalable frequency band operation in wireless communication systems
US9088384B2 (en) 2005-10-27 2015-07-21 Qualcomm Incorporated Pilot symbol transmission in wireless communication systems
US8693405B2 (en) 2005-10-27 2014-04-08 Qualcomm Incorporated SDMA resource management
US8477684B2 (en) 2005-10-27 2013-07-02 Qualcomm Incorporated Acknowledgement of control messages in a wireless communication system
US8582509B2 (en) 2005-10-27 2013-11-12 Qualcomm Incorporated Scalable frequency band operation in wireless communication systems
US9225416B2 (en) 2005-10-27 2015-12-29 Qualcomm Incorporated Varied signaling channels for a reverse link in a wireless communication system
JP4657888B2 (ja) * 2005-10-31 2011-03-23 シャープ株式会社 送信機及び送信方法
US8280430B2 (en) * 2005-11-02 2012-10-02 Qualcomm Incorporated Antenna array calibration for multi-input multi-output wireless communication systems
US9118111B2 (en) * 2005-11-02 2015-08-25 Qualcomm Incorporated Antenna array calibration for wireless communication systems
US8582548B2 (en) 2005-11-18 2013-11-12 Qualcomm Incorporated Frequency division multiple access schemes for wireless communication
JP4841235B2 (ja) * 2005-11-30 2011-12-21 富士通株式会社 無線基地局、無線通信方法及び無線通信システム
JP4899555B2 (ja) * 2006-03-17 2012-03-21 富士通株式会社 無線通信システム、送信装置及び受信装置
US8259852B2 (en) * 2006-07-19 2012-09-04 Broadcom Corporation Method and system for satellite communication
CN102868509A (zh) * 2006-04-28 2013-01-09 日本电气株式会社 导频信号发送方法、无线通信系统、用于它们的装置及程序
JP4748678B2 (ja) * 2006-05-18 2011-08-17 Ｋｄｄｉ株式会社 パイロット信号配置を適応的に変更する無線装置、プログラム及び通信方法
US20080200196A1 (en) * 2007-02-19 2008-08-21 Tarik Muharemovic Transmission of prioritized information in the proximity of reference signals
FR2916116A1 (fr) * 2007-05-11 2008-11-14 France Telecom Procedes d'emission et de reception d'un signal a porteuses multiples et a etalement de spectre,signal,produits programme d'ordinateur,et dispositifs d'emission et de reception correspondants.
CN101796788B (zh) * 2007-08-31 2016-11-16 松下电器产业株式会社 通信装置和通信方法
KR101231512B1 (ko) 2008-05-09 2013-02-07 한국전자통신연구원 무선통신시스템의 셀 탐색에서 주파수 오프셋에 강한 심볼 동기 획득 장치 및 방법
US8380531B2 (en) * 2008-07-25 2013-02-19 Invivodata, Inc. Clinical trial endpoint development process
BR112012003454B1 (pt) * 2009-08-18 2021-08-24 Koninklijke Philips N.V. Método para operação de uma estação primária, que compreende meios para comunicação com uma pluralidade de estações secundárias, método para operação de uma estação secundária que compreende meios para comunicação com pelo menos uma estação primária, estação primária que compreende meios para comunicação com uma pluralidade de estações secundárias e estação secundária que compreende meios para comunicação com pelo menos uma estação primária
JP5138761B2 (ja) * 2010-11-22 2013-02-06 シャープ株式会社 送信機及び送信方法
KR20150093161A (ko) * 2012-12-04 2015-08-17 엘지전자 주식회사 무선 통신 시스템에서 단말의 이동 속도에 따른 참조 신호의 패턴 변경 방법 및 이를 위한 장치
US10615899B1 (en) * 2015-06-05 2020-04-07 Aykut Bultan Method and apparatus for implementing joint time frequency division multiplexing
EP3387748B1 (fr) 2015-12-09 2022-03-09 Cohere Technologies, Inc. Emballage pilote utilisant des fonctions orthogonales complexes
CN109348739B (zh) * 2016-02-25 2022-10-28 凝聚技术公司 用于无线通信的参考信号封装
US11363572B2 (en) 2016-08-01 2022-06-14 Qualcomm Incorporated Uplink channel dynamic waveform switching
US11382048B2 (en) 2018-05-22 2022-07-05 Qualcomm Incorporated Multiplexing solutions in dual connectivity

Family Cites Families (9)

* 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.
JPH1079701A (ja) * 1996-09-03 1998-03-24 Fujitsu Ltd 移動通信端末及びその送信電力制御方式
US6654429B1 (en) * 1998-12-31 2003-11-25 At&T Corp. Pilot-aided channel estimation for OFDM in wireless systems
EP1030489A1 (fr) * 1999-02-17 2000-08-23 Interuniversitair Micro-Elektronica Centrum Vzw Mehrträgersender/Empfänger
EP1416694B1 (fr) * 1999-06-16 2006-09-20 Sony Deutschland GmbH Structure optimisée de préambule de synchronisation pour système MDFO
EP1065855A1 (fr) * 1999-06-29 2001-01-03 Sony International (Europe) GmbH Adaptation des intervalles de garde dans un system MDFO
JP4284773B2 (ja) * 1999-09-07 2009-06-24 ソニー株式会社 送信装置、受信装置、通信システム、送信方法及び通信方法
FR2798542B1 (fr) * 1999-09-13 2002-01-18 France Telecom Recepteur a multiplexage par repartition en frequences orthogonales avec estimation iterative de canal et procede correspondant
US7174178B2 (en) * 2001-07-19 2007-02-06 Intel Corporation Deriving a more accurate estimate from prediction data in closed loop transmit diversity modes

Also Published As

Publication number Publication date
US20040131110A1 (en) 2004-07-08
CN1496622A (zh) 2004-05-12
JP2004530319A (ja) 2004-09-30
WO2002065685A1 (fr) 2002-08-22
KR100914021B1 (ko) 2009-08-28
BR0207123A (pt) 2006-03-01
JP4150591B2 (ja) 2008-09-17
CN1496622B (zh) 2016-05-18
FR2820574A1 (fr) 2002-08-09
KR20030074812A (ko) 2003-09-19
US7313174B2 (en) 2007-12-25
EP1358728A1 (fr) 2003-11-05

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