CN1496622B - 可变参考模式提取方法及装置 - Google Patents

可变参考模式提取方法及装置 Download PDF

Info

Publication number
CN1496622B
CN1496622B CN02806251.5A CN02806251A CN1496622B CN 1496622 B CN1496622 B CN 1496622B CN 02806251 A CN02806251 A CN 02806251A CN 1496622 B CN1496622 B CN 1496622B
Authority
CN
China
Prior art keywords
frequency
channel
pilot
reference model
transmission
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
CN02806251.5A
Other languages
English (en)
Chinese (zh)
Other versions
CN1496622A (zh
Inventor
米歇尔·阿拉德
纳塔莉·古达尔
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
Application filed by Wavecom SA filed Critical Wavecom SA
Publication of CN1496622A publication Critical patent/CN1496622A/zh
Application granted granted Critical
Publication of CN1496622B publication Critical patent/CN1496622B/zh
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/24Radio transmission systems, i.e. using radiation field for communication between two or more posts
    • H04B7/26Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/0001Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0006Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission format
    • H04L1/0007Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission format by modifying the frame length

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
CN02806251.5A 2001-02-08 2002-02-07 可变参考模式提取方法及装置 Expired - Fee Related CN1496622B (zh)

Applications Claiming Priority (3)

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
FR01/01751 2001-02-08
PCT/FR2002/000486 WO2002065685A1 (fr) 2001-02-08 2002-02-07 Procede d'extraction d'un motif de reference variable

Publications (2)

Publication Number Publication Date
CN1496622A CN1496622A (zh) 2004-05-12
CN1496622B true CN1496622B (zh) 2016-05-18

Family

ID=8859809

Family Applications (1)

Application Number Title Priority Date Filing Date
CN02806251.5A Expired - Fee Related CN1496622B (zh) 2001-02-08 2002-02-07 可变参考模式提取方法及装置

Country Status (8)

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

Families Citing this family (77)

* 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 (en) * 2005-01-06 2012-12-12 Fujitsu Ltd WIRELESS COMMUNICATION SYSTEM
WO2006096097A1 (en) * 2005-03-08 2006-09-14 Telefonaktiebolaget Lm Ericsson (Publ) Method and arrangement for advanced routing metrics in multihop networks
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
US9461859B2 (en) * 2005-03-17 2016-10-04 Qualcomm Incorporated Pilot signal transmission for an orthogonal frequency division wireless 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
US9184870B2 (en) 2005-04-01 2015-11-10 Qualcomm Incorporated Systems and methods for control channel signaling
WO2006107037A1 (ja) * 2005-04-04 2006-10-12 Nec Corporation 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
US9408220B2 (en) 2005-04-19 2016-08-02 Qualcomm Incorporated Channel quality reporting for adaptive sectorization
US9036538B2 (en) 2005-04-19 2015-05-19 Qualcomm Incorporated Frequency hopping design for single carrier FDMA systems
US20060240784A1 (en) * 2005-04-22 2006-10-26 Qualcomm Incorporated Antenna array calibration for wireless communication systems
US8879511B2 (en) 2005-10-27 2014-11-04 Qualcomm Incorporated Assignment acknowledgement for a wireless communication system
US8565194B2 (en) 2005-10-27 2013-10-22 Qualcomm Incorporated Puncturing signaling channel for a wireless communication system
US8611284B2 (en) 2005-05-31 2013-12-17 Qualcomm Incorporated Use of supplemental assignments to decrement resources
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
US8599945B2 (en) 2005-06-16 2013-12-03 Qualcomm Incorporated Robust rank prediction for a MIMO system
US9179319B2 (en) 2005-06-16 2015-11-03 Qualcomm Incorporated Adaptive sectorization in cellular systems
WO2007013559A1 (ja) * 2005-07-29 2007-02-01 Matsushita Electric Industrial Co., Ltd. 無線通信装置及び無線通信方法
US8885628B2 (en) 2005-08-08 2014-11-11 Qualcomm Incorporated Code division multiplexing in a single-carrier frequency division multiple access system
US20070041457A1 (en) 2005-08-22 2007-02-22 Tamer Kadous Method and apparatus for providing antenna diversity in a wireless communication system
US9209956B2 (en) 2005-08-22 2015-12-08 Qualcomm Incorporated Segment sensitive scheduling
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
JPWO2007037414A1 (ja) * 2005-09-30 2009-04-16 パナソニック株式会社 無線通信移動局装置およびrachデータ送信方法
CN101305529B (zh) * 2005-10-07 2013-04-03 诺基亚公司 为软频率重用提供公共导频信道的装置和方法
US9088384B2 (en) 2005-10-27 2015-07-21 Qualcomm Incorporated Pilot symbol transmission in wireless communication systems
US9225488B2 (en) 2005-10-27 2015-12-29 Qualcomm Incorporated Shared signaling channel
US8477684B2 (en) 2005-10-27 2013-07-02 Qualcomm Incorporated Acknowledgement of control messages in a wireless communication system
US9144060B2 (en) 2005-10-27 2015-09-22 Qualcomm Incorporated Resource allocation for shared signaling channels
US9225416B2 (en) 2005-10-27 2015-12-29 Qualcomm Incorporated Varied signaling channels for a reverse link in a wireless communication system
US9172453B2 (en) 2005-10-27 2015-10-27 Qualcomm Incorporated Method and apparatus for pre-coding frequency division duplexing system
US9210651B2 (en) 2005-10-27 2015-12-08 Qualcomm Incorporated Method and apparatus for bootstraping information in a communication system
US8045512B2 (en) 2005-10-27 2011-10-25 Qualcomm Incorporated Scalable frequency band operation in wireless communication systems
US8582509B2 (en) 2005-10-27 2013-11-12 Qualcomm Incorporated Scalable frequency band operation in wireless communication systems
US8693405B2 (en) 2005-10-27 2014-04-08 Qualcomm Incorporated SDMA resource management
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
JP4903805B2 (ja) * 2005-11-02 2012-03-28 クゥアルコム・インコーポレイテッド 多入力多出力無線通信システムのためのアンテナアレイ較正
US9118111B2 (en) * 2005-11-02 2015-08-25 Qualcomm Incorporated Antenna array calibration for wireless communication systems
US8280430B2 (en) * 2005-11-02 2012-10-02 Qualcomm Incorporated Antenna array calibration for multi-input multi-output 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
EP2615768A3 (en) * 2006-04-28 2014-01-22 Nec Corporation Pilot signal transmitting method, radio communication system, and apparatus and program used for the same
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.
JP5382877B2 (ja) * 2007-08-31 2014-01-08 パナソニック株式会社 通信装置、受信装置、通信方法、受信方法、及び集積回路
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
RU2539181C2 (ru) * 2009-08-18 2015-01-20 Конинклейке Филипс Электроникс Н.В. Способ функционирования радиостанции в сети мобильной связи
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
EP2929708B1 (en) * 2012-12-04 2019-09-25 LG Electronics Inc. Method for changing pattern of reference signals according to movement speed of user equipment in wireless communication system, and an apparatus therefor
US10615899B1 (en) * 2015-06-05 2020-04-07 Aykut Bultan Method and apparatus for implementing joint time frequency division multiplexing
KR102655272B1 (ko) 2015-12-09 2024-04-08 코히어 테크놀로지스, 아이엔씨. 복소 직교 함수를 이용하는 파일럿 패킹
WO2017147439A1 (en) 2016-02-25 2017-08-31 Cohere Technologies Reference signal packing for wireless communications
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

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1061705A1 (en) * 1999-06-16 2000-12-20 Sony International (Europe) GmbH Optimized synchronization preamble structure for OFDM system
EP1065855A1 (en) * 1999-06-29 2001-01-03 Sony International (Europe) GmbH Adaptation of cyclic extensions in an OFDM communication system

Family Cites Families (7)

* 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 (en) * 1999-02-17 2000-08-23 Interuniversitair Micro-Elektronica Centrum Vzw Multicarrier transceiver
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

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1061705A1 (en) * 1999-06-16 2000-12-20 Sony International (Europe) GmbH Optimized synchronization preamble structure for OFDM system
EP1065855A1 (en) * 1999-06-29 2001-01-03 Sony International (Europe) GmbH Adaptation of cyclic extensions in an OFDM communication system

Also Published As

Publication number Publication date
FR2820574A1 (fr) 2002-08-09
JP4150591B2 (ja) 2008-09-17
JP2004530319A (ja) 2004-09-30
KR100914021B1 (ko) 2009-08-28
BR0207123A (pt) 2006-03-01
FR2820574B1 (fr) 2005-08-05
EP1358728A1 (fr) 2003-11-05
US7313174B2 (en) 2007-12-25
CN1496622A (zh) 2004-05-12
WO2002065685A1 (fr) 2002-08-22
KR20030074812A (ko) 2003-09-19
US20040131110A1 (en) 2004-07-08

Similar Documents

Publication Publication Date Title
CN1496622B (zh) 可变参考模式提取方法及装置
KR100922245B1 (ko) 유효 신호 대 잡음비에 기초하여 직교 주파수 분할 다중화시스템의 타이밍 제어
JP3628977B2 (ja) 無線基地局装置及び通信端末装置
EP1489808A2 (en) Apparatus and method for transmitting and receiving a pilot pattern for identification of a base station in a OFDM communication system
US8619834B2 (en) Method and apparatus for frequency assignment in a frequency hopping mode of a wireless communication system
EP1850548A1 (en) Method and apparatus for the detection of common control channel in an OFDMA cellular communication system
US7869341B2 (en) Method and apparatus for positioning pilot in an OFDMA mobile communication system
JP5061892B2 (ja) 無線通信システムにおける信号多重方法、送信局及び受信局
JP2004530319A5 (https=)
KR20050048408A (ko) 직교 주파수 분할 다중 방식을 사용하는 통신 시스템에서적응적 변조 및 코딩 제어 장치 및 방법
KR100877750B1 (ko) 직교주파수 분할 다중 접속 시스템의 파일럿 톤 생성 방법및 장치와 이를 이용한 채널추정 방법 및 장치
KR20050105224A (ko) 무선 데이터 전송 방법 및 그 신호, 시스템, 송신기 및수신기
KR101139170B1 (ko) 직교주파수분할다중접속 방식의 무선통신 시스템에서 패킷데이터 제어 채널의 송수신 장치 및 방법
US20040257981A1 (en) Apparatus and method for transmitting and receiving pilot patterns for identifying base stations in an OFDM communication system
EP2699052A1 (en) A method of and a radio transmission system and radio access equipment for cellular wireless radio transmission
Said et al. Linear two dimensional pilot assisted channel estimation for OFDM systems
KR101093346B1 (ko) Ofdma 심볼 송신 장치 및 송신 방법
JP5445624B2 (ja) 送信局及び受信局
KR100391565B1 (ko) 수정된 싱크보간법을 이용한 레일리페이딩 보상방법
Seraji et al. Performance Analysis of the Physical Layer of Long-Term Evolution (LTE
Canet et al. Time synchronization for the IEEE 802.11 a/g WLAN standard
JP4127073B2 (ja) 送信装置および通信システムおよび送信方法および通信方法
KR20050119053A (ko) 오에프디엠시스템에서의 펑쳐링 패턴을 적용한 채널품질측정 장치 및 방법
CN101257334B (zh) 移动通信系统中确定移动站的反向传输功率的方法和装置
Shenping et al. Pilot-symbol-aided frequency offset estimation and correction for OFDM system

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20160518

Termination date: 20170207

CF01 Termination of patent right due to non-payment of annual fee