KR101790505B1 - 서브프레임 구성에 따른 채널상태정보-기준신호 할당 장치 및 방법 - Google Patents

서브프레임 구성에 따른 채널상태정보-기준신호 할당 장치 및 방법 Download PDF

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KR101790505B1
KR101790505B1 KR1020100055073A KR20100055073A KR101790505B1 KR 101790505 B1 KR101790505 B1 KR 101790505B1 KR 1020100055073 A KR1020100055073 A KR 1020100055073A KR 20100055073 A KR20100055073 A KR 20100055073A KR 101790505 B1 KR101790505 B1 KR 101790505B1
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csi
res
allocated
antenna ports
subframe
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KR20110132180A (ko
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윤성준
김기태
박경민
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주식회사 골드피크이노베이션즈
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Application filed by 주식회사 골드피크이노베이션즈 filed Critical 주식회사 골드피크이노베이션즈
Priority to EP11790009.2A priority Critical patent/EP2577929A4/en
Priority to CN201610951696.5A priority patent/CN107070618B/zh
Priority to JP2013513109A priority patent/JP5931056B2/ja
Priority to US13/149,225 priority patent/US8787216B2/en
Priority to PCT/KR2011/003988 priority patent/WO2011152651A2/en
Priority to CN201180037855.6A priority patent/CN103069761B/zh
Publication of KR20110132180A publication Critical patent/KR20110132180A/ko
Priority to US14/299,679 priority patent/US9344245B2/en
Priority to US15/151,296 priority patent/US9948440B2/en
Publication of KR101790505B1 publication Critical patent/KR101790505B1/ko
Application granted granted Critical
Priority to US15/911,518 priority patent/US10715289B2/en
Assigned to 팬텍 주식회사 reassignment 팬텍 주식회사 권리의 전부이전등록 Assignors: 주식회사 골드피크이노베이션즈
Priority to US16/927,128 priority patent/US11569955B2/en
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0058—Allocation criteria
    • H04L5/0073—Allocation arrangements that take into account other cell interferences
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0003—Two-dimensional division
    • H04L5/0005—Time-frequency
    • H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A) or DMT
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0413—MIMO systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • 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
    • H04B7/0619—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 using feedback from receiving side
    • H04B7/0621—Feedback content
    • H04B7/0626—Channel coefficients, e.g. channel state information [CSI]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202—Channel estimation
    • H04L25/0224—Channel estimation using sounding signals
    • H04L25/0226—Channel estimation using sounding signals sounding signals per se
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2602—Signal structure
    • H04L27/2605—Symbol extensions, e.g. Zero Tail, Unique Word [UW]
    • H04L27/2607—Cyclic extensions
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0026—Division using four or more dimensions, e.g. beam steering or quasi-co-location [QCL]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0037—Inter-user or inter-terminal allocation
    • H04L5/0039—Frequency-contiguous, i.e. with no allocation of frequencies for one user or terminal between the frequencies allocated to another
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • 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
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • 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
    • H04L5/005—Allocation of pilot signals, i.e. of signals known to the receiver of common pilots, i.e. pilots destined for multiple users or terminals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signalling, i.e. of overhead other than pilot signals
    • H04L5/0057—Physical resource allocation for CQI
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0078—Timing of allocation
    • H04L5/0082—Timing of allocation at predetermined intervals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/14—Two-way operation using the same type of signal, i.e. duplex
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/14—Two-way operation using the same type of signal, i.e. duplex
    • H04L5/1469—Two-way operation using the same type of signal, i.e. duplex using time-sharing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L2025/0335—Arrangements for removing intersymbol interference characterised by the type of transmission
    • H04L2025/03426—Arrangements for removing intersymbol interference characterised by the type of transmission transmission using multiple-input and multiple-output channels
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L2025/03777—Arrangements for removing intersymbol interference characterised by the signalling
    • H04L2025/03802—Signalling on the reverse channel

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Power Engineering (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)
KR1020100055073A 2010-06-01 2010-06-10 서브프레임 구성에 따른 채널상태정보-기준신호 할당 장치 및 방법 Active KR101790505B1 (ko)

Priority Applications (10)

Application Number Priority Date Filing Date Title
EP11790009.2A EP2577929A4 (en) 2010-06-01 2011-05-31 DEVICE AND METHOD FOR ASSIGNING REFERENCE SIGNALS FOR CHANNEL STATUS INFORMATION IN A WIRELESS COMMUNICATION SYSTEM
CN201610951696.5A CN107070618B (zh) 2010-06-01 2011-05-31 用于分配和接收信道状态信息-基准信号的装置和方法
JP2013513109A JP5931056B2 (ja) 2010-06-01 2011-05-31 サブフレーム構成に従うチャンネル状態情報−基準信号割当装置及び方法
US13/149,225 US8787216B2 (en) 2010-06-01 2011-05-31 Apparatus and method for allocating channel state information-reference signal in wireless communication system
PCT/KR2011/003988 WO2011152651A2 (en) 2010-06-01 2011-05-31 Apparatus and method for allocating channel state information-reference signal in wireless communication system
CN201180037855.6A CN103069761B (zh) 2010-06-01 2011-05-31 在无线通信系统中分配信道状态信息-基准信号的装置和方法
US14/299,679 US9344245B2 (en) 2010-06-01 2014-06-09 Apparatus and method for allocating channel state information-reference signal in wireless communication system
US15/151,296 US9948440B2 (en) 2010-06-01 2016-05-10 Apparatus and method for allocating channel state information-reference signal in wireless communication system
US15/911,518 US10715289B2 (en) 2010-06-01 2018-03-05 Apparatus and method for allocating channel state information-reference signal in wireless communication system
US16/927,128 US11569955B2 (en) 2010-06-01 2020-07-13 Apparatus and method for allocating channel state information-reference signal in wireless communication system

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR20100052033 2010-06-01
KR1020100052033 2010-06-01

Publications (2)

Publication Number Publication Date
KR20110132180A KR20110132180A (ko) 2011-12-07
KR101790505B1 true KR101790505B1 (ko) 2017-11-21

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KR1020100055073A Active KR101790505B1 (ko) 2010-06-01 2010-06-10 서브프레임 구성에 따른 채널상태정보-기준신호 할당 장치 및 방법

Country Status (6)

Country Link
US (5) US8787216B2 (https=)
EP (1) EP2577929A4 (https=)
JP (1) JP5931056B2 (https=)
KR (1) KR101790505B1 (https=)
CN (1) CN107070618B (https=)
WO (1) WO2011152651A2 (https=)

Families Citing this family (59)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102598537B (zh) * 2009-09-07 2016-01-27 Lg电子株式会社 在无线通信系统中发送/接收参考信号的方法和装置
US8750257B2 (en) * 2009-10-12 2014-06-10 Lg Electronics Inc. Method and apparatus for providing downlink reference signal transmission power information in a wireless communication system that supports multiple antennas
KR101790505B1 (ko) * 2010-06-01 2017-11-21 주식회사 골드피크이노베이션즈 서브프레임 구성에 따른 채널상태정보-기준신호 할당 장치 및 방법
CN102948085B (zh) * 2010-06-18 2016-08-24 日本电气株式会社 针对无线电通信系统中下行链路协同多点传输的预编码技术
EP2605433B1 (en) 2010-08-11 2019-02-27 GoldPeak Innovations Inc. Apparatus and method for transmitting muting information, and apparatus and method for acquiring channel state using same
WO2013015626A2 (ko) * 2011-07-28 2013-01-31 엘지전자 주식회사 무선 통신 시스템에서 측정보고 방법 및 장치
EP2725845B1 (en) * 2011-08-05 2018-05-16 Panasonic Intellectual Property Corporation of America Terminal, transmitting device, reception quality reporting method and reception method
US9246558B2 (en) 2011-09-26 2016-01-26 Samsung Electronics Co., Ltd. CoMP measurement system and method
WO2013051089A1 (ja) * 2011-10-03 2013-04-11 富士通株式会社 無線通信システム、基地局、移動局、及び無線通信方法
KR101855523B1 (ko) * 2011-10-06 2018-05-04 삼성전자주식회사 통신 시스템에서 피드백 생성 방법 및 장치
US9900084B2 (en) 2011-12-19 2018-02-20 Lg Electronics Inc. Communication method and wireless device in TDD-based wireless communication system
KR20130093790A (ko) * 2011-12-30 2013-08-23 주식회사 팬택 송수신 포인트, 송수신 포인트의 기준 신호 전송 방법, 단말, 및 단말의 기준 신호 수신 방법
US9356757B2 (en) * 2011-12-30 2016-05-31 Broadcom Corporation Wireless communication device capable of scanning for available base stations using reduced bandwidth
US9397865B2 (en) * 2012-01-11 2016-07-19 Lg Electronics Inc. Method and apparatus for receiving signal in wireless communication system
US9609675B2 (en) * 2012-01-16 2017-03-28 Lg Electronics Inc. Method and apparatus for monitoring control channel
US9008585B2 (en) 2012-01-30 2015-04-14 Futurewei Technologies, Inc. System and method for wireless communications measurements and CSI feedback
WO2013133682A1 (ko) * 2012-03-09 2013-09-12 엘지전자 주식회사 참조 신호 설정 방법 및 장치
US9198071B2 (en) * 2012-03-19 2015-11-24 Qualcomm Incorporated Channel state information reference signal configuring and reporting for a coordinated multi-point transmission scheme
US9178674B2 (en) 2012-04-03 2015-11-03 Lg Electronics Inc. Method and apparatus for transmitting reference signals
JP6208409B2 (ja) * 2012-04-06 2017-10-04 株式会社Ｎｔｔドコモ ユーザ装置及び通信方法
JP6242857B2 (ja) * 2012-04-19 2017-12-06 サムスン エレクトロニクス カンパニー リミテッド 協力マルチーポイント通信システムに対する基準シンボルポートの準共存識別のための方法及び装置
US9451595B2 (en) * 2012-04-27 2016-09-20 Qualcomm Incorporated Methods and apparatus for TDD reconfiguration
CN110365382B (zh) * 2012-05-10 2022-06-21 中兴通讯股份有限公司 Csi反馈信令的指示配置方法及基站
CN103563321A (zh) * 2012-05-11 2014-02-05 华为技术有限公司 一种配置参考信号的方法和装置
KR20130126353A (ko) * 2012-05-11 2013-11-20 주식회사 팬택 전송단, 단말, ｃｓｉ-ｒｓ 전송 서브프레임 시그널링 방법, 및 ｃｓｉ-ｒｓ 전송 서브프레임 확인 방법
JP6010341B2 (ja) * 2012-05-21 2016-10-19 シャープ株式会社 基地局装置、移動局装置、測定方法、および集積回路
US20150195113A1 (en) * 2012-06-17 2015-07-09 Lg Electronics Inc. Method of determining sub frame in wireless communication system
US9503235B2 (en) 2012-09-11 2016-11-22 Lg Electronics Inc. Method and apparatus for transmitting channel state information-reference signals in wireless communication system
HK1214425A1 (zh) * 2012-10-05 2016-07-22 美国博通公司 用於半双工频分双工的方法、设备以及计算机程序
WO2014110837A1 (zh) 2013-01-21 2014-07-24 富士通株式会社 信道状态信息参考信号的传输方法、基站、终端、系统、机器可读程序和存储有机器可读程序的存储介质
US9521637B2 (en) 2013-02-14 2016-12-13 Blackberry Limited Small cell demodulation reference signal and initial synchronization
CN104009953B (zh) * 2013-02-22 2019-02-15 中兴通讯股份有限公司 一种解调参考信号的传输方法及基站、用户设备
US20150103801A1 (en) * 2013-09-02 2015-04-16 Electronics And Telecommunications Research Institute Method and apparatus for transmitting signal for downlink channel estimation
KR102397997B1 (ko) * 2013-09-27 2022-05-13 삼성전자 주식회사 Lte-a를 위한 신호 발견 방법 및 장치
KR102039535B1 (ko) * 2013-10-22 2019-11-01 삼성전자 주식회사 무선 자원 할당 방법 및 장치
KR101852914B1 (ko) 2013-11-22 2018-04-27 후아웨이 테크놀러지 컴퍼니 리미티드 채널 상태 정보의 피드백 방법 및 장치
US20150264552A1 (en) * 2014-03-14 2015-09-17 Gang Xiong Systems, methods, and devices for device-to-device discovery and communication
CN105763304B (zh) * 2014-12-16 2019-06-21 北京信威通信技术股份有限公司 一种csi-rs可支持的最大天线端口数量的扩展方法
KR102416650B1 (ko) * 2015-01-19 2022-07-05 퀄컴 인코포레이티드 Fd-mimo 를 위한 향상된 csi 피드백
KR102480843B1 (ko) * 2015-05-07 2022-12-23 한국전자통신연구원 하향링크 참조 신호를 전송하는 방법 및 장치
EP3269188B1 (en) * 2015-03-31 2021-01-06 Nec Corporation Method and apparatus for data transmission in a wireless communication system
WO2016163797A1 (ko) * 2015-04-10 2016-10-13 주식회사 아이티엘 전 차원 다중입력 다중출력 무선 통신 시스템에서 채널상태정보 참조신호 송수신 방법 및 장치
CN106160838B (zh) * 2015-04-16 2020-02-07 电信科学技术研究院 一种传输数据的方法和设备
US9210023B1 (en) * 2015-04-17 2015-12-08 Saankhya Labs Pvt. Ltd Method and system of ranging and subcarrier allocation in orthogonal frequency division multiple access system
KR102697133B1 (ko) * 2015-05-07 2024-08-21 한국전자통신연구원 하향링크 참조 신호를 전송하는 방법 및 장치
CN106411473B (zh) * 2015-07-27 2019-07-19 电信科学技术研究院 一种参考信号映射方法及装置
CN106470096B (zh) * 2015-08-14 2021-03-23 索尼公司 用于无线通信的基站侧和用户设备侧的装置及方法
US10110428B2 (en) 2015-09-24 2018-10-23 Electronics And Telecommunications Research Institute Method and apparatus for configuring frame of unlicensed band
US10581571B2 (en) * 2015-10-21 2020-03-03 Lg Electronics Inc. Methods and devices for transmitting/receiving discovery signal in wireless access system supporting unlicensed band
CN106685500B (zh) * 2015-11-05 2019-11-12 中国移动通信集团公司 一种csi-rs指示方法、基站及用户设备
CN109076505B (zh) 2016-03-30 2024-08-06 日本电气株式会社 用于传输和接收参考信号的方法和装置
EP3437239B1 (en) * 2016-03-31 2023-10-25 Ntt Docomo, Inc. Method of transmission of csi-rs and base station
EP3455964B1 (en) * 2016-05-12 2022-01-19 Panasonic Intellectual Property Corporation of America User equipment for detecting dci types within a subframe
WO2018098802A1 (en) 2016-12-02 2018-06-07 Qualcomm Incorporated Transmitting channel state information reference signals in new radio
CN110401518B (zh) * 2017-01-09 2020-10-27 华为技术有限公司 一种传输参考信号的方法以及设备
CN110999456B (zh) * 2017-08-11 2023-05-05 高通股份有限公司 具有可配置带宽的csirs的传输、接收和配置
US10348462B2 (en) * 2017-08-25 2019-07-09 Telefonaktiebolaget Lm Ericsson (Publ) Configuration of physical antenna ports
KR102506475B1 (ko) * 2017-08-31 2023-03-06 삼성전자 주식회사 이동 통신 시스템에서의 csi-rs 자원 반복 전송 지원 방법 및 장치
US11356972B2 (en) 2019-04-22 2022-06-07 Mediatek Inc. PRS sequence initialization

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
KR20050081528A (ko) 2004-02-14 2005-08-19 삼성전자주식회사 다중반송파 통신시스템을 위한 채널 상태정보 피드백 방법
US8041362B2 (en) * 2006-03-20 2011-10-18 Intel Corporation Downlink resource allocation and mapping
US8112038B2 (en) 2006-09-15 2012-02-07 Futurewei Technologies, Inc. Beamforming with imperfect channel state information
KR101381465B1 (ko) 2008-02-20 2014-04-04 삼성전자주식회사 채널 상태 정보를 피드백하는 공간 다중 접속 방식의 통신시스템 및 이를 지원하는 방법
CN101594175B (zh) * 2008-05-27 2012-12-26 电信科学技术研究院 一种波束赋型传输的方法、系统及装置
CN101394668B (zh) * 2008-10-24 2012-04-18 中兴通讯股份有限公司 一种调度请求信号的发送方法及装置
US8340199B2 (en) * 2008-10-27 2012-12-25 Samsung Electronics Co., Ltd. 8-transmit antenna reference signal design for downlink communications in a wireless system
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
CN102422559B (zh) * 2009-05-08 2015-10-14 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
KR101710204B1 (ko) * 2009-07-28 2017-03-08 엘지전자 주식회사 다중 입출력 통신 시스템에서 채널측정을 위한 기준신호의 전송 방법 및 그 장치
KR101769368B1 (ko) 2009-08-14 2017-08-30 엘지전자 주식회사 다중 안테나를 지원하는 무선 통신 시스템에서 하향링크 참조신호를 전송하는 방법 및 장치
CN101635950B (zh) * 2009-08-14 2015-06-10 中兴通讯股份有限公司 一种确定小区参考信号位置的方法及装置
US9001708B2 (en) * 2009-08-28 2015-04-07 Lg Electronics Inc. Method in which a mobile terminal transmits/receives a signal using a predetermined TDD frame structure in a wireless communication system
AU2010298845B8 (en) * 2009-09-27 2014-02-27 Lg Electronics Inc. Method and apparatus for transmitting reference signal in wireless communication system
US8873650B2 (en) * 2009-10-12 2014-10-28 Motorola Mobility Llc Configurable spatial channel information feedback in wireless communication system
CN101667981B (zh) * 2009-10-26 2012-10-31 上海交通大学 用于ofdm解调端的8天线信道估计方法
WO2011085510A1 (en) * 2010-01-12 2011-07-21 Telefonaktiebolaget L M Ericsson (Publ) Method and apparatus for channel estimation and detection in mimo system
KR101740221B1 (ko) * 2010-01-18 2017-05-29 주식회사 골드피크이노베이션즈 채널상태정보-기준신호 할당 방법 및 장치
US8305987B2 (en) * 2010-02-12 2012-11-06 Research In Motion Limited Reference signal for a coordinated multi-point network implementation
KR101790505B1 (ko) * 2010-06-01 2017-11-21 주식회사 골드피크이노베이션즈 서브프레임 구성에 따른 채널상태정보-기준신호 할당 장치 및 방법
EP2673976B1 (en) * 2011-02-09 2015-03-04 Telefonaktiebolaget L M Ericsson (PUBL) Point-dependent resource symbol configuration in a wireless cell
JP2019518343A (ja) * 2016-04-01 2019-06-27 テレフオンアクチーボラゲット エルエム エリクソン（パブル） 低減密度チャネル状態情報参照信号

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
3GPP R1-103100*
3GPP R1-103253*

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