JP6328750B2 - 無線通信システムにおいてチャネル状態情報送信方法及び装置 - Google Patents

無線通信システムにおいてチャネル状態情報送信方法及び装置 Download PDF

Info

Publication number
JP6328750B2
JP6328750B2 JP2016518273A JP2016518273A JP6328750B2 JP 6328750 B2 JP6328750 B2 JP 6328750B2 JP 2016518273 A JP2016518273 A JP 2016518273A JP 2016518273 A JP2016518273 A JP 2016518273A JP 6328750 B2 JP6328750 B2 JP 6328750B2
Authority
JP
Japan
Prior art keywords
codebook index
cqi
channel
terminal
codebook
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.)
Active
Application number
JP2016518273A
Other languages
English (en)
Japanese (ja)
Other versions
JP2016527751A5 (OSRAM
JP2016527751A (ja
Inventor
ヒョンテ キム
ヒョンテ キム
ハンチュン パク
ハンチュン パク
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.)
LG Electronics Inc
Original Assignee
LG Electronics Inc
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 LG Electronics Inc filed Critical LG Electronics Inc
Publication of JP2016527751A publication Critical patent/JP2016527751A/ja
Publication of JP2016527751A5 publication Critical patent/JP2016527751A5/ja
Application granted granted Critical
Publication of JP6328750B2 publication Critical patent/JP6328750B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/30—Monitoring; Testing of propagation channels
    • H04B17/382—Monitoring; Testing of propagation channels for resource allocation, admission control or handover
    • 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
    • H04B7/0417—Feedback 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
    • H04B7/0413—MIMO systems
    • H04B7/0456—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
    • 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
    • H04B7/0456—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
    • H04B7/0478—Special codebook structures directed to feedback optimisation
    • H04B7/0481—Special codebook structures directed to feedback optimisation using subset selection of codebooks
    • 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
    • H04B7/0456—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
    • H04B7/0486—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting taking channel rank into account
    • 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
    • H04B7/063—Parameters other than those covered in groups H04B7/0623 - H04B7/0634, e.g. channel matrix rank or transmit mode selection
    • 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
    • H04B7/0636—Feedback format
    • H04B7/0639—Using selective indices, e.g. of a codebook, e.g. pre-distortion matrix index [PMI] or for beam selection
    • 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
    • H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
    • H04L1/0026—Transmission of channel quality indication
    • 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
    • H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
    • H04L1/0027—Scheduling of signalling, e.g. occurrence thereof
    • 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
    • H04L5/0014—Three-dimensional division
    • H04L5/0023—Time-frequency-space
    • 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
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/21—Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/56—Allocation or scheduling criteria for wireless resources based on priority criteria
    • H04W72/563—Allocation or scheduling criteria for wireless resources based on priority criteria of the wireless resources
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02—Terminal devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • Quality & Reliability (AREA)
  • Mathematical Physics (AREA)
  • Electromagnetism (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)
JP2016518273A 2013-06-05 2014-06-05 無線通信システムにおいてチャネル状態情報送信方法及び装置 Active JP6328750B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201361831151P 2013-06-05 2013-06-05
US61/831,151 2013-06-05
PCT/KR2014/005000 WO2014196822A1 (ko) 2013-06-05 2014-06-05 무선 통신 시스템에서 채널상태정보 전송 방법 및 장치

Publications (3)

Publication Number Publication Date
JP2016527751A JP2016527751A (ja) 2016-09-08
JP2016527751A5 JP2016527751A5 (OSRAM) 2016-12-01
JP6328750B2 true JP6328750B2 (ja) 2018-05-23

Family

ID=52008391

Family Applications (2)

Application Number Title Priority Date Filing Date
JP2016518274A Active JP6463739B2 (ja) 2013-06-05 2014-06-05 無線通信システムにおいてチャネル状態情報送信方法及び装置
JP2016518273A Active JP6328750B2 (ja) 2013-06-05 2014-06-05 無線通信システムにおいてチャネル状態情報送信方法及び装置

Family Applications Before (1)

Application Number Title Priority Date Filing Date
JP2016518274A Active JP6463739B2 (ja) 2013-06-05 2014-06-05 無線通信システムにおいてチャネル状態情報送信方法及び装置

Country Status (7)

Country Link
US (5) US9912392B2 (OSRAM)
EP (2) EP2978147B1 (OSRAM)
JP (2) JP6463739B2 (OSRAM)
KR (2) KR102169960B1 (OSRAM)
CN (3) CN107104717B (OSRAM)
RU (2) RU2639949C2 (OSRAM)
WO (2) WO2014196822A1 (OSRAM)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2639949C2 (ru) 2013-06-05 2017-12-25 Эл Джи Электроникс Инк. Способ и устройство для передачи информации о состоянии канала в системе беспроводной связи
WO2015020373A1 (ko) * 2013-08-05 2015-02-12 엘지전자 주식회사 무선 통신 시스템에서 채널상태정보 전송 방법 및 장치
EP3113559B1 (en) * 2014-03-21 2023-07-26 Huawei Technologies Co., Ltd. Device and method for data transmission in direct communication
WO2015166861A1 (ja) * 2014-04-28 2015-11-05 シャープ株式会社 端末装置および集積回路
WO2016072814A1 (en) 2014-11-07 2016-05-12 Samsung Electronics Co., Ltd. Method and apparatus for transmitting group message to user equipment (ue)
WO2016163369A1 (ja) * 2015-04-10 2016-10-13 シャープ株式会社 端末装置、基地局装置、通信方法、および、集積回路
US9967012B2 (en) 2015-05-06 2018-05-08 Samsung Electronics Co., Ltd. Method and apparatus for channel state information (CSI) reporting
CN106302269B (zh) * 2015-06-04 2020-06-23 电信科学技术研究院 一种信道状态信息的反馈及其控制方法及装置
KR102018848B1 (ko) * 2015-07-23 2019-09-05 엘지전자 주식회사 다중 안테나 무선 통신 시스템에서 코드북 기반 신호 송수신 방법 및 이를 위한 장치
KR20180034494A (ko) * 2015-08-20 2018-04-04 삼성전자주식회사 무선 통신 시스템에서 채널 상태 정보 피드백 방법 및 장치
KR102527279B1 (ko) * 2015-11-18 2023-04-28 삼성전자주식회사 이동통신 시스템에서 채널 상태 정보의 송수신 방법 및 장치
CN107872294A (zh) * 2016-09-28 2018-04-03 北京信威通信技术股份有限公司 一种周期上报csi的方法
WO2018063044A1 (en) * 2016-09-30 2018-04-05 Telefonaktiebolaget Lm Ericsson (Publ) Coherence bandwidth adaptive csi reporting
US10396866B2 (en) 2016-11-11 2019-08-27 Samsung Electronics Co., Ltd. Advanced CSI reporting in advanced wireless communication systems
US10873439B2 (en) * 2016-12-16 2020-12-22 Samsung Electronics Co., Ltd. Method and apparatus for multiplexing channel state information
CN114050854A (zh) 2017-06-16 2022-02-15 中兴通讯股份有限公司 一种无线通信方法和装置
CN109391407B (zh) * 2017-08-10 2020-06-23 电信科学技术研究院 一种信道状态信息csi反馈方法和资源分配方法及设备
US10715275B2 (en) 2018-05-11 2020-07-14 At&T Intellectual Property I, L.P. Configuring channel quality indicator for communication service categories in wireless communication systems
US10492212B1 (en) 2018-06-22 2019-11-26 At&T Intellectual Property I, L.P. Scheduling ultra-reliable low latency communications in wireless communication systems
US11146289B2 (en) * 2019-03-29 2021-10-12 Intel Corporation Techniques to use intrinsic information for a bit-flipping error correction control decoder

Family Cites Families (79)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7906311B2 (en) 2002-03-20 2011-03-15 Merial Limited Cotton rat lung cells for virus culture
US9125092B2 (en) * 2005-12-22 2015-09-01 Qualcomm Incorporated Methods and apparatus for reporting and/or using control information
US8255207B2 (en) * 2005-12-28 2012-08-28 Voiceage Corporation Method and device for efficient frame erasure concealment in speech codecs
US8626104B2 (en) * 2006-09-28 2014-01-07 Apple Inc. Generalized codebook design method for limited feedback systems
EP1912347A1 (en) * 2006-10-11 2008-04-16 Nokia Siemens Networks Gmbh & Co. Kg Method, mobile station and base station for transmitting data in a mobile communication system
KR20080040543A (ko) * 2006-11-02 2008-05-08 엘지전자 주식회사 위상천이 기반 프리코딩을 이용한 데이터 전송 방법 및이를 지원하는 송수신기
EP2285015A3 (en) * 2006-11-06 2012-01-25 Qualcomm Incorporated MIMO transmission with layer permutation in a wireless communication system
US20080219370A1 (en) * 2007-03-06 2008-09-11 Texas Instruments Incorporated User equipment feedback structures for mimo ofdma
EP2130308B1 (en) * 2007-03-22 2018-12-19 Marvell World Trade Ltd. Variable codebook for mimo system
US8787469B2 (en) * 2007-04-04 2014-07-22 Samsung Electronics Co., Ltd. Method for codebook design and beamforming vector selection in per-user unitary rate control (PU2RC) system
RU2438251C2 (ru) * 2007-04-20 2011-12-27 Интердиджитал Текнолоджи Корпорейшн Способ и устройство для эффективной проверки действительности информации предварительного кодирования для связи mimo
US7995528B1 (en) * 2007-07-18 2011-08-09 Marvell International Ltd. Precoding with multi-user codebooks
KR101328961B1 (ko) * 2008-03-14 2013-11-13 엘지전자 주식회사 개루프 공간 다중화 모드에서 신호 송수신 방법
US9100068B2 (en) * 2008-03-17 2015-08-04 Qualcomm, Incorporated Multi-resolution beamforming in MIMO systems
KR101481583B1 (ko) 2008-04-18 2015-01-13 엘지전자 주식회사 하향링크 제어 정보 송수신 방법
GB2464447B (en) * 2008-07-01 2011-02-23 Toshiba Res Europ Ltd Wireless communications apparatus
GB2467303B (en) 2008-08-07 2012-07-11 Icera Inc Feedback in a wireless communication system
EP2566120B1 (en) 2008-08-11 2014-04-02 LG Electronics Inc. Codebook design for uplink transmission in a SC-FDMA system
KR20100019947A (ko) * 2008-08-11 2010-02-19 엘지전자 주식회사 무선 통신 시스템에서 정보 전송 방법
US8265053B2 (en) 2008-08-12 2012-09-11 Texas Instruments Incorporated Configuration of rank indicator reporting instances
JP5149111B2 (ja) * 2008-09-09 2013-02-20 株式会社エヌ・ティ・ティ・ドコモ 無線中継装置及び無線中継方法
US8649455B2 (en) * 2008-10-20 2014-02-11 Samsung Electronics Co., Ltd. Multiple input multiple output communication system and communication method of adaptably transforming codebook
KR101582685B1 (ko) 2008-12-03 2016-01-06 엘지전자 주식회사 다중안테나를 이용한 데이터 전송장치 및 방법
KR101611290B1 (ko) * 2008-12-29 2016-04-11 엘지전자 주식회사 복수의 전송 대역을 지원하는 무선 통신 시스템에 있어서, ｃｑｉ를 요청하기 위한 제어정보를 전송하는 방법
WO2010105415A1 (en) * 2009-03-17 2010-09-23 Huawei Technologies Co., Ltd. Method for generating a codebook
KR101524284B1 (ko) 2009-03-27 2015-05-29 삼성전자주식회사 중계 방식의 무선통신 시스템에서 양방향 중계를 위한 장치및 방법
US9673952B2 (en) 2009-04-10 2017-06-06 Qualcomm Inc. Method and apparatus for supporting user equipments on different system bandwidths
CN103152090B (zh) * 2009-08-07 2015-12-02 华为技术有限公司 预编码处理方法、码本集合及基站
US8532042B2 (en) * 2009-09-02 2013-09-10 Samsung Electronics Co., Ltd. Codebook for multiple input multiple output communication and communication device using the codebook
US8411783B2 (en) * 2009-09-23 2013-04-02 Intel Corporation Method of identifying a precoding matrix corresponding to a wireless network channel and method of approximating a capacity of a wireless network channel in a wireless network
CN102342033B (zh) 2009-09-27 2015-09-23 Lg电子株式会社 由多天线无线通信系统中的终端反馈信道质量指示符的方法及设备
KR101621376B1 (ko) * 2009-10-06 2016-05-31 주식회사 팬택자산관리 무선 통신 시스템에서의 프리코딩 및 피드백 채널 정보
KR20110038585A (ko) * 2009-10-08 2011-04-14 엘지전자 주식회사 다중 안테나 시스템에서 상향링크 전송 방법 및 장치
KR101717524B1 (ko) * 2009-11-30 2017-03-17 엘지전자 주식회사 프리코딩 행렬 정보를 전송하는 방법 및 사용자기기와, 복수의 사용자기기에 데이터를 전송하는 방법 및 기지국
KR101555820B1 (ko) * 2009-12-02 2015-10-06 삼성전자주식회사 접속망의 클래스에 따라 비대칭적인 피드백 기법을 사용하는 계층 셀 통신 시스템
WO2011082832A1 (en) * 2010-01-11 2011-07-14 Nokia Siemens Networks Oy Channel coding for 8-layer rank indicator in lte-advanced pusch
US20120300724A1 (en) * 2010-01-12 2012-11-29 Jin Liu Method and apparatus for reducing the overhead of control signaling
WO2011122830A2 (ko) * 2010-03-29 2011-10-06 엘지전자 주식회사 다중 안테나 지원 무선 통신 시스템에서 효율적인 피드백 방법 및 장치
KR101871707B1 (ko) 2010-04-02 2018-06-27 엘지전자 주식회사 무선통신 시스템에서 채널상태정보 피드백 하는 단말 장치 및 그 방법
PL2556638T3 (pl) * 2010-04-06 2015-10-30 Nokia Technologies Oy Konstrukcja książki kodów i struktura dla modularnego sprzężenia zwrotnego
GB2479377B (en) * 2010-04-07 2013-08-14 Toshiba Res Europ Ltd Dual indicator scheme for channel state information feedback
US8792586B2 (en) 2010-04-08 2014-07-29 Lg Electronics Inc. Signal transmission method and apparatus using codebook in wireless communication system supporting multiple antennas
WO2011129585A2 (ko) 2010-04-12 2011-10-20 엘지전자 주식회사 다중 안테나 지원 무선 통신 시스템에서 효율적인 피드백 방법 및 장치
KR101843019B1 (ko) * 2010-04-30 2018-03-29 삼성전자주식회사 여러 리포팅 모드를 지원하는 다중 입출력 통신 시스템
CN102237984B (zh) * 2010-05-07 2014-02-12 电信科学技术研究院 一种基于pusch上报csi的方法及装置
US8879513B2 (en) 2010-05-12 2014-11-04 Samsung Electronics Co., Ltd. Uplink transmission apparatus and method for mobile communication system supporting uplink MIMO
US8599761B2 (en) 2010-05-14 2013-12-03 Samsung Electronics Co., Ltd. Systems and methods for PUCCH feedback in 3GPP wireless networks
KR101231487B1 (ko) * 2010-06-03 2013-02-07 (주)휴맥스 차분 선부호화 방법 및 그 방법을 지원하는 기지국
CN101902312B (zh) * 2010-06-21 2016-02-10 中兴通讯股份有限公司 一种多精度的信道信息获取方法及系统
CN102299774B (zh) * 2010-06-24 2013-09-18 上海贝尔股份有限公司 用于确定预编码矩阵的方法及相应的通信方法和设备
US8639198B2 (en) * 2010-06-30 2014-01-28 Samsung Electronics Co., Ltd. Systems and methods for 8-TX codebook and feedback signaling in 3GPP wireless networks
KR20120003781A (ko) * 2010-07-05 2012-01-11 주식회사 팬택 송신장치 및 그 통신방법, 수신장치, 그 통신방법
TW201205343A (en) 2010-07-29 2012-02-01 Hon Hai Prec Ind Co Ltd Portable electronic device with remote function
US9571173B2 (en) * 2010-08-16 2017-02-14 Qualcomm Incorporated Enforcing constant modulus and finite alphabet properties in adaptive and dual-stage codebooks
CN101917260B (zh) * 2010-08-18 2015-01-28 中兴通讯股份有限公司 信道状态信息的反馈方法及装置
US8693421B2 (en) * 2010-09-02 2014-04-08 Texas Instruments Incorporated Downlink 8 TX codebook sub-sampling for CSI feedback
US9100169B2 (en) 2010-09-15 2015-08-04 Futurewei Technologies, Inc. System and method for channel state information feedback in wireless communications systems
US9042841B2 (en) 2010-09-17 2015-05-26 Samsung Electronics Co., Ltd. System and method for PUCCH subband feedback signaling in a wireless network
CN101944985B (zh) * 2010-09-20 2015-03-25 中兴通讯股份有限公司 一种信道状态信息反馈方法
KR101863927B1 (ko) * 2010-09-26 2018-07-05 엘지전자 주식회사 다중 안테나 지원 무선 통신 시스템에서 효율적인 피드백 방법 및 장치
CN101969367B (zh) 2010-09-30 2016-03-30 中兴通讯股份有限公司 信道信息反馈方法及终端
US8600393B2 (en) 2010-10-04 2013-12-03 Samsung Electronics Co. Ltd. Methods and apparatus for enabling interference coordination in heterogeneous networks
CN102447501B (zh) * 2010-10-07 2015-04-29 上海贝尔股份有限公司 用于lte-a系统的对码本的子采样方法和设备
WO2012053863A2 (en) * 2010-10-21 2012-04-26 Lg Electronics Inc. Method and apparatus for transmitting control information in a wireless communication system
CA2784597C (en) 2010-11-09 2019-07-09 Telefonaktiebolaget L M Ericsson (Publ) Method and arrangement for reporting channel state information in a telecommunication system
CN102468929B (zh) * 2010-11-15 2014-10-08 中国移动通信集团公司 下行mimo宽带信道状态信息的反馈方法、装置及设备
US20120127869A1 (en) 2010-11-22 2012-05-24 Sharp Laboratories Of America, Inc. Multiple channel state information (csi) reporting on the physical uplink shared channel (pusch) with carrier aggregation
US8953465B2 (en) 2010-11-24 2015-02-10 Verizon Patent And Licensing Inc. Network optimization based on user equipment type
WO2012124892A1 (ko) * 2011-03-14 2012-09-20 엘지전자 주식회사 채널상태정보 송수신 방법 및 송수신 장치
US20120314590A1 (en) * 2011-06-10 2012-12-13 Sharp Laboratories Of America, Inc. Enhanced precoding feedback for multiple-user multiple-input and multiple-output (mimo)
CN103733676B (zh) 2011-08-12 2018-01-05 交互数字专利控股公司 无线网络中的干扰测量
US20130088978A1 (en) 2011-10-07 2013-04-11 Nokia Siemens Networks Oy Joint Encoding of Rank and CQI Feedback For Comp
BR112014011040B1 (pt) * 2011-11-07 2023-03-28 Motorola Mobility Llc Método e aparelho para retorno de csi para esquemas de processamento conjunto em um sistema de comunicação de multiplexação com divisão de frequência ortogonal com transmissão de ponto múltiplo coordenado
WO2013068916A1 (en) * 2011-11-07 2013-05-16 Marvell World Trade Ltd. Codebook sub-sampling for frequency-selective precoding feedback
CN102368698B (zh) 2011-11-10 2014-04-16 电信科学技术研究院 一种预编码矩阵指示pmi信息的传输方法及装置
US8908747B2 (en) * 2012-05-22 2014-12-09 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for controlling adaptive rank multi antenna communication
US9143212B2 (en) 2013-02-25 2015-09-22 Texas Instruments Incorporated Codebook sub-sampling for CSI feedback on PUCCH for 4Tx MIMO
RU2639949C2 (ru) 2013-06-05 2017-12-25 Эл Джи Электроникс Инк. Способ и устройство для передачи информации о состоянии канала в системе беспроводной связи
US20140362783A1 (en) 2013-06-07 2014-12-11 Nec Laboratories America, Inc. Channel State Information (CSI) Feedback and Subsampling

Also Published As

Publication number Publication date
EP3007374A4 (en) 2017-01-18
WO2014196822A1 (ko) 2014-12-11
KR20160016750A (ko) 2016-02-15
CN105122695B (zh) 2017-04-26
EP3007374A1 (en) 2016-04-13
KR102194927B1 (ko) 2020-12-24
EP3007374B1 (en) 2018-08-08
CN107104717B (zh) 2020-06-30
RU2639949C2 (ru) 2017-12-25
CN105103464A (zh) 2015-11-25
US10439692B2 (en) 2019-10-08
KR20160016751A (ko) 2016-02-15
JP6463739B2 (ja) 2019-02-06
US20160007339A1 (en) 2016-01-07
US20190393942A1 (en) 2019-12-26
CN105122695A (zh) 2015-12-02
CN105103464B (zh) 2018-05-15
KR102169960B1 (ko) 2020-10-26
RU2621066C1 (ru) 2017-05-31
US10998950B2 (en) 2021-05-04
EP2978147A4 (en) 2016-12-07
US20200036419A1 (en) 2020-01-30
JP2016527751A (ja) 2016-09-08
JP2016529758A (ja) 2016-09-23
US9912392B2 (en) 2018-03-06
US20180115353A1 (en) 2018-04-26
WO2014196823A1 (ko) 2014-12-11
US10469145B2 (en) 2019-11-05
US10868597B2 (en) 2020-12-15
RU2015155046A (ru) 2017-07-13
EP2978147B1 (en) 2018-10-17
CN107104717A (zh) 2017-08-29
EP2978147A1 (en) 2016-01-27
US20160006495A1 (en) 2016-01-07

Similar Documents

Publication Publication Date Title
JP6328750B2 (ja) 無線通信システムにおいてチャネル状態情報送信方法及び装置
JP6325652B2 (ja) 無線通信システムにおいてチャネル状態情報送信方法及び装置
JP6463721B2 (ja) 無線通信システムにおいてチャネル状態情報をフィードバックする方法及びそのための装置
KR101946370B1 (ko) 무선 통신 시스템에서 채널 상태 정보를 보고하는 방법 및 이를 위한 장치
JP6317403B2 (ja) 無線通信システムにおいてチャネル状態情報をフィードバックする方法及びそのための装置
KR101769382B1 (ko) 무선 통신 시스템에서 채널 상태 정보를 보고하는 방법 및 이를 위한 장치
KR101706967B1 (ko) 무선 통신 시스템에서 랭크 인덱스의 비트 길이를 결정하는 방법 및 장치
JP6464143B2 (ja) 無線通信システムにおいてチャネル状態情報送信方法及び装置
WO2014196831A1 (ko) 무선 통신 시스템에서 채널상태정보 전송 방법 및 장치
KR20180071387A (ko) 무선 통신 시스템에서 dm-rs 기반 개루프 하향링크 전송을 위한 피드백 정보 송신 방법 및 이를 위한 장치
KR20150137048A (ko) 무선 통신 시스템에서 코드북을 이용한 신호 송수신 방법 및 장치

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20161012

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20161012

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20171122

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20171212

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20180308

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20180320

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20180418

R150 Certificate of patent or registration of utility model

Ref document number: 6328750

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250