JP2009505566A5 - - Google Patents

Info

Publication number
JP2009505566A5
JP2009505566A5 JP2008526931A JP2008526931A JP2009505566A5 JP 2009505566 A5 JP2009505566 A5 JP 2009505566A5 JP 2008526931 A JP2008526931 A JP 2008526931A JP 2008526931 A JP2008526931 A JP 2008526931A JP 2009505566 A5 JP2009505566 A5 JP 2009505566A5
Authority
JP
Japan
Prior art keywords
group
symbol period
subcarrier
antennas
pilot sequence
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.)
Granted
Application number
JP2008526931A
Other languages
English (en)
Japanese (ja)
Other versions
JP4964239B2 (ja
JP2009505566A (ja
Filing date
Publication date
Priority claimed from US11/419,797 external-priority patent/US8559295B2/en
Application filed filed Critical
Publication of JP2009505566A publication Critical patent/JP2009505566A/ja
Publication of JP2009505566A5 publication Critical patent/JP2009505566A5/ja
Application granted granted Critical
Publication of JP4964239B2 publication Critical patent/JP4964239B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

JP2008526931A 2005-08-15 2006-06-29 パイロット信号を送信するための方法および装置 Expired - Fee Related JP4964239B2 (ja)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US70823405P 2005-08-15 2005-08-15
US60/708,234 2005-08-15
US11/419,797 US8559295B2 (en) 2005-08-15 2006-05-23 Method and apparatus for pilot signal transmission
US11/419,797 2006-05-23
PCT/US2006/025583 WO2007021384A2 (en) 2005-08-15 2006-06-29 Method and apparatus for pilot signal transmission

Publications (3)

Publication Number Publication Date
JP2009505566A JP2009505566A (ja) 2009-02-05
JP2009505566A5 true JP2009505566A5 (https=) 2012-04-12
JP4964239B2 JP4964239B2 (ja) 2012-06-27

Family

ID=37742404

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2008526931A Expired - Fee Related JP4964239B2 (ja) 2005-08-15 2006-06-29 パイロット信号を送信するための方法および装置

Country Status (6)

Country Link
US (1) US8559295B2 (https=)
EP (1) EP1917738B1 (https=)
JP (1) JP4964239B2 (https=)
KR (1) KR100933599B1 (https=)
CN (1) CN101366200B (https=)
WO (1) WO2007021384A2 (https=)

Families Citing this family (52)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7894818B2 (en) * 2005-06-15 2011-02-22 Samsung Electronics Co., Ltd. Apparatus and method for multiplexing broadcast and unicast traffic in a multi-carrier wireless network
WO2007043477A1 (ja) * 2005-10-07 2007-04-19 Matsushita Electric Industrial Co., Ltd. 無線通信基地局装置およびパイロット送信方法
US7706328B2 (en) 2006-01-04 2010-04-27 Qualcomm Incorporated Methods and apparatus for position location in a wireless network
US8483036B2 (en) 2006-02-24 2013-07-09 Lg Electronics Inc. Method of searching code sequence in mobile communication system
WO2007108392A1 (ja) * 2006-03-17 2007-09-27 Matsushita Electric Industrial Co., Ltd. 無線通信基地局装置およびパイロット配置方法
US9025680B2 (en) 2006-06-16 2015-05-05 Qualcomm Incorporated Encoding information in beacon signals
CN100456659C (zh) * 2006-08-09 2009-01-28 北京泰美世纪科技有限公司 发送控制信息指示接收机工作的方法
US8509323B2 (en) * 2006-08-22 2013-08-13 Motorola Mobility Llc Resource allocation including a DC sub-carrier in a wireless communication system
CN101529838B (zh) * 2006-10-19 2013-07-24 高通股份有限公司 无线通信系统中的信标编码
EP1919102A1 (en) * 2006-10-30 2008-05-07 Mitsubishi Electric Information Technology Centre Europe B.V. Method for transmission in a TDD system with a variable length guard period
JP2010517338A (ja) * 2007-01-19 2010-05-20 トムソン ライセンシング Ofdmシステムにおける補間方法、チャネル推定方法及び装置
US8315660B2 (en) * 2007-02-14 2012-11-20 Qualcomm Incorporated User power offset estimation using dedicated pilot tones for OFDMA
WO2008103317A2 (en) * 2007-02-16 2008-08-28 Interdigital Technology Corporation Precoded pilot transmission for multi-user and single user mimo communications
US8913695B2 (en) * 2007-03-12 2014-12-16 Qualcomm Incorporated Hybrid pilot configuration
CN101136894B (zh) * 2007-03-23 2012-11-28 中兴通讯股份有限公司 可扩展的ofdm及ofdma带宽分配的方法和系统
US20090028100A1 (en) * 2007-07-25 2009-01-29 Qualcomm Incorporated Methods and apparatus for transmitter identification in a wireless network
GB2453147B (en) * 2007-09-27 2009-11-18 Toshiba Res Europ Ltd A wireless transmission device
US8798665B2 (en) * 2007-11-15 2014-08-05 Qualcomm Incorporated Beacon-based control channels
US9326253B2 (en) * 2007-11-15 2016-04-26 Qualcomm Incorporated Wireless communication channel blanking
US8761032B2 (en) * 2007-11-16 2014-06-24 Qualcomm Incorporated Random reuse based control channels
US8165064B2 (en) * 2008-01-28 2012-04-24 Qualcomm Incorporated Enhancements to the positioning pilot channel
US9009573B2 (en) * 2008-02-01 2015-04-14 Qualcomm Incorporated Method and apparatus for facilitating concatenated codes for beacon channels
US8626096B2 (en) * 2008-03-24 2014-01-07 Qualcomm Incorporated Methods and apparatus for combining signals from multiple diversity sources
US8675537B2 (en) * 2008-04-07 2014-03-18 Qualcomm Incorporated Method and apparatus for using MBSFN subframes to send unicast information
US9107239B2 (en) * 2008-04-07 2015-08-11 Qualcomm Incorporated Systems and methods to define control channels using reserved resource blocks
US8483161B2 (en) * 2008-04-30 2013-07-09 Lg Electronics Inc. System information transmission method and subframe structure
US20090274099A1 (en) * 2008-05-02 2009-11-05 Qualcomm Incorporated Methods and apparatus for communicating transmitter information in a communication network
CN101577968B (zh) * 2008-05-05 2011-08-03 华为技术有限公司 一种获取下行信道信息的方法、系统和装置
ES2666205T3 (es) 2008-07-22 2018-05-03 Lg Electronics Inc. Método para asignar un PHICH en un sistema que usa SU-MIMO con múltiples palabras de código en enlace ascendente
KR101208549B1 (ko) 2008-08-05 2012-12-05 엘지전자 주식회사 하향링크 mimo시스템에 있어서 기준 신호 송신 방법
EP2353249A1 (en) * 2008-10-20 2011-08-10 Nokia Siemens Networks Oy Sounding channel apparatus and method
WO2010048985A1 (en) * 2008-10-27 2010-05-06 Nokia Siemens Networks Oy Method for network co-ordination in a mobile communications system and apparatus thereof
GB2474794B (en) * 2008-11-27 2011-06-15 Ipwireless Inc Communication system, communication units, and method for employing a pilot transmission scheme
KR101619446B1 (ko) 2008-12-02 2016-05-10 엘지전자 주식회사 하향링크 mimo시스템에 있어서 rs 전송 방법
CN101841506B (zh) * 2009-03-20 2013-05-15 富士通株式会社 多天线无线通信系统及其发送方法
CN101931443B (zh) * 2009-06-24 2014-07-16 中兴通讯股份有限公司 一种多天线传输方法及系统
WO2011102782A1 (en) 2010-02-16 2011-08-25 Telefonaktiebolaget L M Ericsson (Publ) Mimo layer specific reference signals based on codes and cyclic shifts
US20110250919A1 (en) 2010-04-13 2011-10-13 Qualcomm Incorporated Cqi estimation in a wireless communication network
KR101576347B1 (ko) * 2011-07-06 2015-12-09 후지쯔 가부시끼가이샤 기지국, 무선 단말기, 채널값 추정 방법, 파일럿 신호 송신 방법 및 무선 통신 시스템
GB2493702B (en) * 2011-08-11 2016-05-04 Sca Ipla Holdings Inc OFDM subcarrier allocations in wireless telecommunications systems
US8565181B2 (en) * 2012-02-06 2013-10-22 Neocific, Inc. Methods and apparatus for multi-carrier communications with efficient control signaling
EP2883323B1 (en) * 2012-08-09 2018-10-10 Telefonaktiebolaget LM Ericsson (publ) Reference signal mapping
CN102882813B (zh) * 2012-08-17 2015-04-15 东南大学 一种应用于正交频分复用系统的信道估计方法
CN105052187B (zh) * 2013-12-16 2020-03-20 华为技术有限公司 导频信号的传输方法、基站及用户设备
KR102363565B1 (ko) * 2014-02-25 2022-02-17 삼성전자 주식회사 다중입력 다중출력 방식을 사용하는 무선 통신 시스템에서 기준 신호 송수신 장치 및 방법과 그 시스템
US9270494B2 (en) * 2014-06-08 2016-02-23 Mediatek Singapore Pte. Ltd. Channel estimation method and associated device for estimating channel for OFDM system
SG11201700460SA (en) 2014-07-23 2017-02-27 Aviat Networks Inc Systems and methods for averaging in frequency domain equalization systems
US9673948B2 (en) * 2014-10-29 2017-06-06 Qualcomm Incorporated Hybrid pilot design for low latency communication
US10911281B2 (en) * 2015-10-20 2021-02-02 Huawei Technologies Co., Ltd. System and method for pilot signal transmission
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
CN108023693B (zh) * 2016-11-01 2020-12-18 上海科技大学 一种上行导频序列配置方法及基站

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3720141B2 (ja) * 1996-10-01 2005-11-24 松下電器産業株式会社 移動体通信方法およびその装置
US6473467B1 (en) * 2000-03-22 2002-10-29 Qualcomm Incorporated Method and apparatus for measuring reporting channel state information in a high efficiency, high performance communications system
US7430191B2 (en) * 2001-09-10 2008-09-30 Qualcomm Incorporated Method and apparatus for performing frequency tracking based on diversity transmitted pilots in a CDMA communication system
US7248559B2 (en) * 2001-10-17 2007-07-24 Nortel Networks Limited Scattered pilot pattern and channel estimation method for MIMO-OFDM systems
US7020226B1 (en) * 2002-04-04 2006-03-28 Nortel Networks Limited I/Q distortion compensation for the reception of OFDM signals
JP3796188B2 (ja) * 2002-04-09 2006-07-12 パナソニック モバイルコミュニケーションズ株式会社 Ofdm通信方法およびofdm通信装置
EP1494381B1 (en) * 2002-04-09 2013-06-12 Panasonic Mobile Communications Co., Ltd. Ofdm communication method and ofdm communication device
JP2004080110A (ja) 2002-08-09 2004-03-11 Samsung Yokohama Research Institute Co Ltd 直交周波数分割多重通信システム、及び直交周波数分割多重無線機
US8134976B2 (en) * 2002-10-25 2012-03-13 Qualcomm Incorporated Channel calibration for a time division duplexed communication system
US7002900B2 (en) * 2002-10-25 2006-02-21 Qualcomm Incorporated Transmit diversity processing for a multi-antenna communication system
KR100507519B1 (ko) 2002-12-13 2005-08-17 한국전자통신연구원 Ofdma 기반 셀룰러 시스템의 하향링크를 위한 신호구성 방법 및 장치
CN1951050B (zh) * 2004-03-15 2013-10-30 苹果公司 用于具有四根发射天线的ofdm系统的导频设计
US7978649B2 (en) 2004-07-15 2011-07-12 Qualcomm, Incorporated Unified MIMO transmission and reception
JP4692973B2 (ja) * 2004-08-13 2011-06-01 エージェンシー フォー サイエンス, テクノロジー アンド リサーチ 送信機、複数のロングプリアンブルの生成方法、及び通信装置

Similar Documents

Publication Publication Date Title
JP2009505566A5 (https=)
CN101599973B (zh) 用于多载波系统的新型帧和训练模式结构
JP5379141B2 (ja) パイロットサブキャリア割当てを用いる無線通信システム
KR100724949B1 (ko) 주파수 분할 다중접속 기반 무선통신 시스템에서 데이터와제어 정보의 다중화 방법 및 장치
KR100933599B1 (ko) 파일럿 신호 송신을 위한 방법 및 장치
KR101615385B1 (ko) Dft sprdead ofdm 시스템을 위한 레퍼런스 심볼 구조
CN101599943B (zh) 用于多载波系统的新型帧和训练模式结构
WO2005088882A1 (en) Pilot design for ofdm systems with four transmit antennas
KR20130004523A (ko) 수신기 및 수신기 동작 방법
KR20110095907A (ko) 다중 캐리어 변조 수신기에서의 채널 추정 및 최대전력 대 평균전력 비 감소
TW201025949A (en) New frame and data pattern structure for multi-carrier systems
EP2301214A1 (en) Wireless communication system with multiple transmission antennas using pilot subcarrier allocation
KR20090019867A (ko) 가변대역에서 통신하기 위한 장치 및 방법
JP2011250451A (ja) マルチキャリア通信における符号化信号を送信する情報送信方法
EP2567521A1 (en) Method for transferring data and information enabling an estimate of a wireless link between a source and at least one receiver
CN102413090B (zh) 一种传输信息的方法、系统和设备
JP6240462B2 (ja) 送信システム
JP4838177B2 (ja) 信号伝送方法、送信機及び受信機
CN107211456A (zh) 数据发送的方法和发射机
JP2008206053A (ja) 無線通信方法および無線通信装置
RU2445745C1 (ru) Система беспроводной связи с множественными передающими антеннами с использованием выделения поднесущих пилот-сигнала
KR101018382B1 (ko) 오에프디엠 송신기, 수신기, 수신모듈 및 그 송수신 방법
KR20110040405A (ko) 채널 추정에 사용되는 데이터의 오버헤드를 줄이기 위한 통신 시스템 및 방법
KR20110024229A (ko) Ofdm을 이용한 협력 통신 시스템 및 그 방법
CN101911579A (zh) 用于映射导频的方法及设备