JP2013502139A - 多重アンテナを支援する無線通信システムにおいてダウンリンク参照信号を伝送する方法及び装置 - Google Patents

多重アンテナを支援する無線通信システムにおいてダウンリンク参照信号を伝送する方法及び装置 Download PDF

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JP2013502139A
JP2013502139A JP2012524653A JP2012524653A JP2013502139A JP 2013502139 A JP2013502139 A JP 2013502139A JP 2012524653 A JP2012524653 A JP 2012524653A JP 2012524653 A JP2012524653 A JP 2012524653A JP 2013502139 A JP2013502139 A JP 2013502139A
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csi
state information
channel state
ofdm symbols
antenna ports
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JP2013502139A5 (enExample
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ヒョン ス コ，
スン ヒ ハン，
ジェ フン チョン，
ビン チョル イム，
ムン イル リ，
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LG Electronics Inc
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LG Electronics Inc
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Priority claimed from KR1020100078057A external-priority patent/KR101769369B1/ko
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Publication of JP2013502139A5 publication Critical patent/JP2013502139A5/ja
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    • H04—ELECTRIC COMMUNICATION TECHNIQUE
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    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
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    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
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    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
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    • H04L25/0202—Channel estimation
    • H04L25/0224—Channel estimation using sounding signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
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    • H04L27/261—Details of reference signals
    • H04L27/2613—Structure of the reference signals
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    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Quality & Reliability (AREA)
  • Power Engineering (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)
JP2012524653A 2009-08-14 2010-08-13 多重アンテナを支援する無線通信システムにおいてダウンリンク参照信号を伝送する方法及び装置 Pending JP2013502139A (ja)

Applications Claiming Priority (11)

Application Number Priority Date Filing Date Title
US23384309P 2009-08-14 2009-08-14
US61/233,843 2009-08-14
US29935410P 2010-01-29 2010-01-29
US61/299,354 2010-01-29
US33371910P 2010-05-11 2010-05-11
US61/333,719 2010-05-11
US34604410P 2010-05-19 2010-05-19
US61/346,044 2010-05-19
KR1020100078057A KR101769369B1 (ko) 2009-08-14 2010-08-13 다중 안테나를 지원하는 무선 통신 시스템에서 하향링크 참조신호를 전송하는 방법 및 장치
KR10-2010-0078057 2010-08-13
PCT/KR2010/005351 WO2011019242A2 (ko) 2009-08-14 2010-08-13 다중 안테나를 지원하는 무선 통신 시스템에서 하향링크 참조신호를 전송하는 방법 및 장치

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JP2013502139A true JP2013502139A (ja) 2013-01-17
JP2013502139A5 JP2013502139A5 (enExample) 2013-09-19

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JP2012524646A Active JP5649650B2 (ja) 2009-08-14 2010-08-13 多重アンテナを支援する無線通信システムにおいてダウンリンク参照信号を伝送する方法及び装置
JP2012524645A Active JP5723365B2 (ja) 2009-08-14 2010-08-13 多重アンテナを支援する無線通信システムにおいてダウンリンク参照信号を伝送する方法及び装置
JP2012524647A Active JP5649651B2 (ja) 2009-08-14 2010-08-13 多重アンテナを支援する無線通信システムにおいてダウンリンク参照信号を伝送する方法及び装置

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JP2012524645A Active JP5723365B2 (ja) 2009-08-14 2010-08-13 多重アンテナを支援する無線通信システムにおいてダウンリンク参照信号を伝送する方法及び装置
JP2012524647A Active JP5649651B2 (ja) 2009-08-14 2010-08-13 多重アンテナを支援する無線通信システムにおいてダウンリンク参照信号を伝送する方法及び装置

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US (1) USRE49171E1 (enExample)
EP (1) EP4160973A1 (enExample)
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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013517671A (ja) * 2010-01-18 2013-05-16 パンテック カンパニー リミテッド 無線通信システムにおいてチャネル状態情報基準信号を割り当てる方法および装置
JP2016514402A (ja) * 2013-07-26 2016-05-19 ▲華▼▲為▼▲終▼端有限公司 ユーザ機器間で信号を送信するための方法および装置
JP2018504815A (ja) * 2014-12-19 2018-02-15 クアルコム，インコーポレイテッド 半均一なパイロット間隔および直交カバーコードに基づく共通基準信号の設計
JP2018534802A (ja) * 2015-09-24 2018-11-22 ソニー株式会社 無線通信の基地局側及びユーザー装置側で用いられる装置及び方法
JP2020516113A (ja) * 2017-04-28 2020-05-28 華為技術有限公司Ｈｕａｗｅｉ Ｔｅｃｈｎｏｌｏｇｉｅｓ Ｃｏ．，Ｌｔｄ． 基準信号送信方法、基準信号受信方法、ネットワークデバイス、および端末デバイス

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9673945B2 (en) 2011-02-18 2017-06-06 Qualcomm Incorporated Implicitly linking aperiodic channel state information (A-CSI) reports to CSI-reference signal (CSI-RS) resources
US9559820B2 (en) * 2011-02-18 2017-01-31 Qualcomm Incorporated Feedback reporting based on channel state information reference signal (CSI-RS) groups
CN104782067B (zh) * 2012-11-06 2017-11-28 Lg电子株式会社 用于在无线通信系统中发送和接收数据的方法和设备
CN104038320B (zh) * 2013-03-04 2019-03-01 中兴通讯股份有限公司 资源映射、接收方法及装置、信令通知、获取方法及装置
US9680552B2 (en) 2013-04-16 2017-06-13 Lg Electronics Inc. Method and apparatus for reporting channel state information in wireless communication system
JP6151108B2 (ja) * 2013-06-28 2017-06-21 株式会社Ｎｔｔドコモ 無線基地局、ユーザ端末及び参照信号送信方法
KR102287875B1 (ko) 2015-04-17 2021-08-09 삼성전자주식회사 무선 통신 시스템에서 기준 신호들을 송신하기 위한 장치 및 방법
WO2017078409A1 (ko) * 2015-11-03 2017-05-11 엘지전자(주) 무선 통신 시스템에서 채널 상태 정보 참조 신호의 송수신 방법 및 이를 위한 장치
CN107623542B (zh) * 2016-07-13 2023-09-01 华为技术有限公司 一种发送参考信号的方法、相关设备及通信系统
WO2018010162A1 (en) * 2016-07-15 2018-01-18 Qualcomm Incorporated Port indexing for csi-rs with larger number of antenna ports for efd-mimo
US10505685B2 (en) * 2016-08-26 2019-12-10 Qualcomm Incorporated Adapting to delay spread variation in wireless communication systems
US10420137B2 (en) * 2016-09-30 2019-09-17 Futurewei Technologies, Inc. System and method for signal density reduction in the frequency domain
CN108322245B (zh) * 2017-01-17 2021-09-14 中国移动通信有限公司研究院 信道状态参考信号发送方法、装置及接收方法、移动终端
WO2018143688A1 (ko) * 2017-02-01 2018-08-09 엘지전자(주) 무선 통신 시스템에서 채널 상태 정보 참조 신호 송수신 방법 및 이를 위한 장치
CN115442018B (zh) 2017-03-23 2024-11-05 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
CN108964866B (zh) * 2017-03-24 2020-03-20 华为技术有限公司 一种参考信号发送方法、接收方法和装置
CN109150428B (zh) * 2017-06-15 2020-07-24 电信科学技术研究院 一种信号传输方法、装置及基站
US10009832B1 (en) * 2017-08-11 2018-06-26 At&T Intellectual Property I, L.P. Facilitating compact signaling design for reserved resource configuration in wireless communication systems

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011044530A2 (en) * 2009-10-08 2011-04-14 Qualcomm Incorporated Method and apparatus for using channel state information reference signal in wireless communication system

Family Cites Families (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US7864659B2 (en) 2004-08-02 2011-01-04 Interdigital Technology Corporation Quality control scheme for multiple-input multiple-output (MIMO) orthogonal frequency division multiplexing (OFDM) systems
KR20060040180A (ko) 2004-11-04 2006-05-10 엘지전자 주식회사 다중입출력 직교 주파수 분할 다중화 방식에 적용되는채널 추정을 위한 신호 전송 방법
KR100909539B1 (ko) * 2004-11-09 2009-07-27 삼성전자주식회사 다중 안테나를 사용하는 광대역 무선 접속 시스템에서 다양한 다중안테나 기술을 지원하기 위한 장치 및 방법
EP2838237B1 (en) 2006-04-12 2016-06-29 Lg Electronics Inc. Method and devices for allocating reference signals in mimo system
JP4935202B2 (ja) * 2006-06-20 2012-05-23 富士通株式会社 通信システム
US8243850B2 (en) 2006-10-24 2012-08-14 Samsung Electronics Co., Ltd. Method and system for generating reference signals in a wireless communication system
EP2103017B1 (en) * 2007-03-29 2014-01-08 LG Electronics Inc. Method of transmitting sounding reference signal in wireless communication system
KR101520667B1 (ko) 2007-09-10 2015-05-18 엘지전자 주식회사 다중 안테나 시스템에서의 파일럿 부반송파 할당 방법
CN101409883A (zh) * 2007-10-12 2009-04-15 Nxp股份有限公司 多载波宽带系统中对下行链路辅助基准信号作资源规划的方法和系统
CN101431355B (zh) * 2007-11-07 2012-12-19 中兴通讯股份有限公司 用在长期演进系统中的信道检测方法
CN101459453B (zh) * 2007-12-11 2013-02-27 中兴通讯股份有限公司 信道检测方法
KR101637348B1 (ko) 2008-12-15 2016-07-07 엘지전자 주식회사 하향링크 ｍｉｍｏ 시스템에 있어서, 파일럿 심볼 전송 방법
KR101611272B1 (ko) 2008-11-07 2016-04-11 엘지전자 주식회사 참조 신호 전송 방법
JP5059800B2 (ja) * 2009-03-16 2012-10-31 株式会社エヌ・ティ・ティ・ドコモ 無線基地局装置及び移動局装置、無線通信方法
CN101505180B (zh) 2009-03-17 2013-12-04 中兴通讯股份有限公司 高级长期演进系统中csi参考信号的承载方法与装置
US8599762B2 (en) 2009-03-20 2013-12-03 Lg Electronics Inc. Method for receiving a signal at a user equipment (UE) in a wireless communication system
JP5542290B2 (ja) * 2009-03-23 2014-07-09 エルジー エレクトロニクス インコーポレイティド 多重アンテナシステムにおける参照信号送信方法及び装置
WO2010110576A2 (en) * 2009-03-24 2010-09-30 Lg Electronics Inc. Method and apparatus for transmitting reference signal in wireless communication system
JP2012523736A (ja) * 2009-04-10 2012-10-04 パンテック カンパニー リミテッド モジューラーソナーシーケンスを用いた信号パターンの生成方法及びその装置
CN105119651B (zh) * 2009-05-08 2018-05-25 Lg电子株式会社 移动通信系统中从基站接收信号的中继节点和方法
US8923143B2 (en) 2009-06-29 2014-12-30 Qualcomm Incorporated Open loop channel reporting in a wireless communication system
KR101237666B1 (ko) * 2009-07-28 2013-02-26 엘지전자 주식회사 다중 입출력 통신 시스템에서 셀간 간섭을 제거하기 위한 기준신호 전송 방법 및 장치
US8599715B2 (en) * 2009-07-30 2013-12-03 Lg Electronics Inc. Apparatus and method for transmitting channel state information in a mobile communication system
EP2466838B1 (en) 2009-08-14 2020-12-30 LG Electronics Inc. Method and device for transmitting a downlink reference signal in a wireless communication system supporting multiple antennas
US9407409B2 (en) * 2010-02-23 2016-08-02 Qualcomm Incorporated Channel state information reference signals
CN102484874B (zh) * 2010-02-24 2015-12-02 中兴通讯(美国)公司 用于lte-advance系统中csi-rs资源分配的方法和系统
JPWO2011125300A1 (ja) * 2010-04-05 2013-07-08 パナソニック株式会社 無線通信装置、及び無線通信方法
CN106102174B (zh) * 2010-08-11 2019-09-24 金峰创新公司 发送静默信息的装置和方法与获取信道状态的装置和方法
WO2014073901A1 (ko) * 2012-11-09 2014-05-15 엘지전자 주식회사 무선 통신 시스템에서 채널 상태 정보 송수신 방법 및 장치

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011044530A2 (en) * 2009-10-08 2011-04-14 Qualcomm Incorporated Method and apparatus for using channel state information reference signal in wireless communication system

Non-Patent Citations (8)

* Cited by examiner, † Cited by third party
Title
CSNC201110007522; ＬＧ Ｅｌｅｃｔｒｏｎｉｃｓ: 'Ｉｎｔｒａ-ｃｅｌｌ ＣＳＩ-ＲＳ Ｐａｔｔｅｒｎ Ｄｅｓｉｇｎ［ｏｎｌｉｎｅ］' ３ＧＰＰ ＴＳＧ-ＲＡＮ ＷＧ１＃６１ｂ Ｒ１-１０３９６７ , 20100628, インターネット＜ＵＲＬ：ｈｔｔｐ：／／ｗｗｗ．３ｇｐｐ．ｏｒｇ／ｆｔｐ／ｔｓｇ＿ｒａ *
CSNC201110008118; ＬＧ Ｅｌｅｃｔｒｏｎｉｃｓ: 'Ｒｅｍａｉｎｉｎｇ Ｉｓｓｕｅｓ ｏｎ Ｉｎｔｒａ-ｃｅｌｌ ＣＳＩ-ＲＳ Ｄｅｓｉｇｎ［ｏｎｌｉｎｅ］' ３ＧＰＰ ＴＳＧ-ＲＡＮ ＷＧ１＃６１ Ｒ１-１０２７２１ , 20100510, インターネット＜ＵＲＬ：ｈｔｔｐ：／／ｗｗｗ．３ｇｐｐ．ｏｒｇ／ｆｔｐ／ｔｓｇ＿ｒａ *
CSNC201110008635; ＮＴＴ ＤＯＣＯＭＯ: 'Ｉｎｔｒａ-ｃｅｌｌ ＣＳＩ-ＲＳ ｄｅｓｉｇｎ［ｏｎｌｉｎｅ］' ３ＧＰＰ ＴＳＧ-ＲＡＮ ＷＧ１＃６１ Ｒ１-１０３２５３ , 20100510, インターネット＜ＵＲＬ：ｈｔｔｐ：／／ｗｗｗ．３ｇｐｐ．ｏｒｇ／ｆｔｐ／ｔｓｇ＿ｒａ *
CSNC201110010146; Ｐａｎｔｅｃｈ: 'Ｉｎｔｅｒ-ｃｅｌｌ ＣＳＩ-ＲＳ Ｐａｔｔｅｒｎ Ｄｅｓｉｇｎ ｆｏｒ ＬＴＥ-Ａ［ｏｎｌｉｎｅ］' ３ＧＰＰ ＴＳＧ-ＲＡＮ ＷＧ１＃６０ Ｒ１-１００９９０ , 20100222, インターネット＜ＵＲＬ：ｈｔｔｐ：／／ｗｗｗ．３ｇｐｐ．ｏｒｇ／ｆｔｐ／ｔｓｇ＿ｒａ *
JPN6014023997; ＮＴＴ ＤＯＣＯＭＯ: 'Ｉｎｔｒａ-ｃｅｌｌ ＣＳＩ-ＲＳ ｄｅｓｉｇｎ［ｏｎｌｉｎｅ］' ３ＧＰＰ ＴＳＧ-ＲＡＮ ＷＧ１＃６１ Ｒ１-１０３２５３ , 20100510, インターネット＜ＵＲＬ：ｈｔｔｐ：／／ｗｗｗ．３ｇｐｐ．ｏｒｇ／ｆｔｐ／ｔｓｇ＿ｒａ *
JPN6014023999; Ｐａｎｔｅｃｈ: 'Ｉｎｔｅｒ-ｃｅｌｌ ＣＳＩ-ＲＳ Ｐａｔｔｅｒｎ Ｄｅｓｉｇｎ ｆｏｒ ＬＴＥ-Ａ［ｏｎｌｉｎｅ］' ３ＧＰＰ ＴＳＧ-ＲＡＮ ＷＧ１＃６０ Ｒ１-１００９９０ , 20100222, インターネット＜ＵＲＬ：ｈｔｔｐ：／／ｗｗｗ．３ｇｐｐ．ｏｒｇ／ｆｔｐ／ｔｓｇ＿ｒａ *
JPN6014024003; ＬＧ Ｅｌｅｃｔｒｏｎｉｃｓ: 'Ｒｅｍａｉｎｉｎｇ Ｉｓｓｕｅｓ ｏｎ Ｉｎｔｒａ-ｃｅｌｌ ＣＳＩ-ＲＳ Ｄｅｓｉｇｎ［ｏｎｌｉｎｅ］' ３ＧＰＰ ＴＳＧ-ＲＡＮ ＷＧ１＃６１ Ｒ１-１０２７２１ , 20100510, インターネット＜ＵＲＬ：ｈｔｔｐ：／／ｗｗｗ．３ｇｐｐ．ｏｒｇ／ｆｔｐ／ｔｓｇ＿ｒａ *
JPN6014024004; ＬＧ Ｅｌｅｃｔｒｏｎｉｃｓ: 'Ｉｎｔｒａ-ｃｅｌｌ ＣＳＩ-ＲＳ Ｐａｔｔｅｒｎ Ｄｅｓｉｇｎ［ｏｎｌｉｎｅ］' ３ＧＰＰ ＴＳＧ-ＲＡＮ ＷＧ１＃６１ｂ Ｒ１-１０３９６７ , 20100628, インターネット＜ＵＲＬ：ｈｔｔｐ：／／ｗｗｗ．３ｇｐｐ．ｏｒｇ／ｆｔｐ／ｔｓｇ＿ｒａ *

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013517671A (ja) * 2010-01-18 2013-05-16 パンテック カンパニー リミテッド 無線通信システムにおいてチャネル状態情報基準信号を割り当てる方法および装置
JP2016514402A (ja) * 2013-07-26 2016-05-19 ▲華▼▲為▼▲終▼端有限公司 ユーザ機器間で信号を送信するための方法および装置
US10044479B2 (en) 2013-07-26 2018-08-07 Huawei Device Co., Ltd. Method and apparatus for transmitting signal between user equipments
JP2018504815A (ja) * 2014-12-19 2018-02-15 クアルコム，インコーポレイテッド 半均一なパイロット間隔および直交カバーコードに基づく共通基準信号の設計
US10931420B2 (en) 2014-12-19 2021-02-23 Qualcomm Incorporated Reference signal design based on semi-uniform pilot spacing
US12047310B2 (en) 2014-12-19 2024-07-23 Qualcomm Incorporated Reference signal design based on semi-uniform pilot spacing
JP2018534802A (ja) * 2015-09-24 2018-11-22 ソニー株式会社 無線通信の基地局側及びユーザー装置側で用いられる装置及び方法
JP2020516113A (ja) * 2017-04-28 2020-05-28 華為技術有限公司Ｈｕａｗｅｉ Ｔｅｃｈｎｏｌｏｇｉｅｓ Ｃｏ．，Ｌｔｄ． 基準信号送信方法、基準信号受信方法、ネットワークデバイス、および端末デバイス
US11329782B2 (en) 2017-04-28 2022-05-10 Huawei Technologies Co., Ltd. Reference signal sending method, reference signal receiving method, network device, and terminal device
US11784765B2 (en) 2017-04-28 2023-10-10 Huawei Technologies Co., Ltd. Reference signal sending method, reference signal receiving method, network device, and terminal device
US12328270B2 (en) 2017-04-28 2025-06-10 Huawei Technologies Co., Ltd Reference signal sending method, reference signal receiving method, network device, and terminal device

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