KR100914021B1 - 가변의 기준 패턴의 추출방법 - Google Patents

가변의 기준 패턴의 추출방법

Info

Publication number
KR100914021B1
KR100914021B1 KR1020037010498A KR20037010498A KR100914021B1 KR 100914021 B1 KR100914021 B1 KR 100914021B1 KR 1020037010498 A KR1020037010498 A KR 1020037010498A KR 20037010498 A KR20037010498 A KR 20037010498A KR 100914021 B1 KR100914021 B1 KR 100914021B1
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KR
South Korea
Prior art keywords
reference pattern
channel
frequency
space
time
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
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KR1020037010498A
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English (en)
Korean (ko)
Other versions
KR20030074812A (ko
Inventor
알라드미쉘
고우다르드나탈리
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웨이브콤
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Application filed by 웨이브콤 filed Critical 웨이브콤
Publication of KR20030074812A publication Critical patent/KR20030074812A/ko
Application granted granted Critical
Publication of KR100914021B1 publication Critical patent/KR100914021B1/ko
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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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

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)
KR1020037010498A 2001-02-08 2002-02-07 가변의 기준 패턴의 추출방법 Expired - Fee Related KR100914021B1 (ko)

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
KR20030074812A KR20030074812A (ko) 2003-09-19
KR100914021B1 true KR100914021B1 (ko) 2009-08-28

Family

ID=8859809

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020037010498A Expired - Fee Related KR100914021B1 (ko) 2001-02-08 2002-02-07 가변의 기준 패턴의 추출방법

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 (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1030489A1 (en) * 1999-02-17 2000-08-23 Interuniversitair Micro-Elektronica Centrum Vzw Multicarrier transceiver
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 (6)

* 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
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 (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1030489A1 (en) * 1999-02-17 2000-08-23 Interuniversitair Micro-Elektronica Centrum Vzw Multicarrier transceiver
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

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Global Telecommunications Conference,1997,"Degradation of multicarrier & single carrier transmission withfrequency domain equalization due to pilot-aided channel estimation & frequency synchronization*

Also Published As

Publication number Publication date
FR2820574A1 (fr) 2002-08-09
JP4150591B2 (ja) 2008-09-17
JP2004530319A (ja) 2004-09-30
BR0207123A (pt) 2006-03-01
FR2820574B1 (fr) 2005-08-05
EP1358728A1 (fr) 2003-11-05
CN1496622B (zh) 2016-05-18
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

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