JP7398478B2 - ２コードブックベースのｃｓｉ報告に関する基底サブセット表示の向上のための方法及び装置 - Google Patents

２コードブックベースのｃｓｉ報告に関する基底サブセット表示の向上のための方法及び装置 Download PDF

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JP7398478B2
JP7398478B2 JP2021564881A JP2021564881A JP7398478B2 JP 7398478 B2 JP7398478 B2 JP 7398478B2 JP 2021564881 A JP2021564881 A JP 2021564881A JP 2021564881 A JP2021564881 A JP 2021564881A JP 7398478 B2 JP7398478 B2 JP 7398478B2
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layer
csi
matrix
delay
subset
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JP2022530561A (ja
JP2022530561A5 (https=
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ヴェンカテーシュ、ラミレディ
グロスマン、マルクス
ランドマン、マルクス
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Fraunhofer Gesellschaft zur Foerderung der Angewandten Forschung eV
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    • 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
    • H04B7/0658—Feedback reduction
    • H04B7/0663—Feedback reduction using vector or matrix manipulations
    • 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
    • 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
    • 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
    • H04B7/06—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
    • 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
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202—Channel estimation

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Power Engineering (AREA)
  • Radio Transmission System (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Circuits Of Receivers In General (AREA)
  • Alarm Systems (AREA)
JP2021564881A 2019-05-02 2020-04-14 ２コードブックベースのｃｓｉ報告に関する基底サブセット表示の向上のための方法及び装置 Active JP7398478B2 (ja)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
EP19172422.8 2019-05-02
EP19172422.8A EP3734852A1 (en) 2019-05-02 2019-05-02 Methods and apparatuses for csi reporting in a wireless communication system
EP19191235.1 2019-08-12
EP19191235.1A EP3734853A1 (en) 2019-05-02 2019-08-12 Method and apparatus for enhancement on basis subset indication for two-codebook based csi reporting
PCT/EP2020/060397 WO2020221581A1 (en) 2019-05-02 2020-04-14 Methods and apparatuses for enhancement on basis subset indication for two-codebook based csi reporting

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JP2022530561A JP2022530561A (ja) 2022-06-29
JP2022530561A5 JP2022530561A5 (https=) 2023-04-11
JP7398478B2 true JP7398478B2 (ja) 2023-12-14

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JP2021564880A Active JP7550170B2 (ja) 2019-05-02 2020-04-14 無線通信システムにおけるｃｓｉ報告のための方法及び装置

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US (4) US20220224391A1 (https=)
EP (6) EP3734852A1 (https=)
JP (2) JP7398478B2 (https=)
KR (3) KR20220003094A (https=)
CN (2) CN114128161B (https=)
ES (2) ES3023432T3 (https=)
WO (2) WO2020221582A1 (https=)

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11949483B2 (en) * 2021-02-01 2024-04-02 Koninklijke Philips N.V. Methods and apparatuses for codebook restriction for type-II feedback reporting and higher layer configuration and reporting for linear combination codebook in a wireless communications network
US12407391B2 (en) 2018-12-22 2025-09-02 Koninklijke Philips N.V. Methods and apparatuses for codebook restriction for type-II feedback reporting and higher layer configuration and reporting for linear combination codebook in a wireless communications network
AU2019438745B2 (en) 2019-04-04 2023-02-02 Nokia Technologies Oy Uplink control information
EP3734852A1 (en) * 2019-05-02 2020-11-04 Fraunhofer Gesellschaft zur Förderung der angewandten Forschung e.V. Methods and apparatuses for csi reporting in a wireless communication system
US11757855B2 (en) * 2019-05-02 2023-09-12 Electronics And Telecommunications Research Institute Method and apparatus for communications using secret key in communication system
WO2020250290A1 (ja) * 2019-06-10 2020-12-17 株式会社Ｎｔｔドコモ 端末及び無線通信方法
CN114667758B (zh) * 2019-11-29 2025-12-23 中兴通讯股份有限公司 用于压缩无线信道状态信息反馈的方法
US11888562B2 (en) * 2020-01-03 2024-01-30 Samsung Electronics Co., Ltd. Method and apparatus for reciprocity based CSI-RS transmission and reception
US12413280B2 (en) * 2020-02-07 2025-09-09 Ntt Docomo, Inc. Method of sounding reference signal (SRS)-assisted SD beam and FD vector reporting for type II channel state information (CSI)
US20230361831A1 (en) * 2020-06-26 2023-11-09 Lenovo (Singapore) Pte. Ltd. Determining channel state information reference signals
US20230291441A1 (en) * 2020-07-10 2023-09-14 Telefonaktiebolaget Lm Ericsson (Publ) Signaling to aid enhanced nr type ii csi feedback
US12088378B2 (en) * 2020-09-18 2024-09-10 Qualcomm Incorporated Low overhead and high accuracy channel state feedback using neural networks
US20220124537A1 (en) * 2020-10-20 2022-04-21 Samsung Electronics Co., Ltd. Method and apparatus for csi reporting based on a port selection codebook
CN114531183A (zh) 2020-11-23 2022-05-24 华为技术有限公司 信道矩阵的确定方法、装置及系统
EP4002713A1 (en) 2020-11-23 2022-05-25 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Csi reporting based on linear combination codebook
CN114598365B (zh) 2020-12-01 2023-10-17 维沃移动通信有限公司 传输方法、装置、设备及可读存储介质
US20220190897A1 (en) * 2020-12-14 2022-06-16 Samsung Electronics Co., Ltd. Codebook for distributed mimo transmission
US12567891B2 (en) 2020-12-28 2026-03-03 Telefonaktiebolaget Lm Ericsson (Publ) Methods for reducing overhead of NR type II channel state information feedback using angle and delay reciprocity
US12047145B2 (en) 2021-02-03 2024-07-23 Samsung Electronics Co., Ltd. Method and apparatus for CSI reporting
CN117356039A (zh) * 2021-03-19 2024-01-05 弗劳恩霍夫应用研究促进协会 基于线性组合端口选择码本的csi省略方法和装置
US12267137B2 (en) 2021-05-11 2025-04-01 Nokia Technologies Oy Reporting channel state information (CSI) precoding matrix indicator (PMI)
PL4092922T3 (pl) * 2021-05-11 2024-03-18 Nokia Technologies Oy Informacje dotyczące kodowania wstępnego
CN115706597A (zh) * 2021-08-05 2023-02-17 华为技术有限公司 一种信息反馈方法以及相关装置
WO2023077358A1 (en) * 2021-11-04 2023-05-11 Apple Inc. Ue capability reporting
WO2023184147A1 (en) * 2022-03-29 2023-10-05 Qualcomm Incorporated Selection and quantization of time domain coefficients through an extended etype-ii codebook
EP4515765A4 (en) * 2022-04-28 2025-06-18 NEC Corporation Methods, devices and computer-readable medium for communication
US20250219700A1 (en) * 2022-06-03 2025-07-03 Qualcomm Incorporated Per-beam time-domain basis selection for channel state information codebook
JP2025531841A (ja) * 2022-09-09 2025-09-25 華為技術有限公司 無線ネットワークにおけるデータ伝送をサポートするシステム及び方法
CN118120152A (zh) * 2022-09-29 2024-05-31 北京小米移动软件有限公司 指示上报方法及其装置
JP2026504917A (ja) * 2023-01-20 2026-02-10 日本電気株式会社 端末装置、ネットワーク装置及び方法
CN121511560A (zh) * 2023-06-16 2026-02-10 联发科技股份有限公司 直接信道反馈和接收天线维度上的压缩
US20250132792A1 (en) * 2023-10-24 2025-04-24 Samsung Electronics Co., Ltd. Csi reporting

Family Cites Families (43)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7885354B2 (en) * 2004-04-02 2011-02-08 Rearden, Llc System and method for enhancing near vertical incidence skywave (“NVIS”) communication using space-time coding
CN101796875A (zh) * 2007-09-28 2010-08-04 诺基亚公司 用于通信系统的用户设备发起的预编码子集约束
EP2498413B1 (en) * 2009-11-04 2018-12-26 Alcatel Lucent Method and apparatus for processing downlink communication and assistant method and apparatus thereof
WO2012026742A2 (ko) * 2010-08-23 2012-03-01 엘지전자 주식회사 다중 안테나 지원 무선 통신 시스템에서 프리코딩된 신호 송수신 방법 및 장치
JP2012100254A (ja) * 2010-10-06 2012-05-24 Marvell World Trade Ltd Ｐｕｃｃｈフィードバックのためのコードブックサブサンプリング
JP6026082B2 (ja) * 2011-04-05 2016-11-16 シャープ株式会社 端末、基地局、通信方法および集積回路
US9413442B2 (en) * 2011-10-10 2016-08-09 Lg Electronics Inc. Method and apparatus for reporting channel state information in a wireless communication system
JP5990815B2 (ja) * 2011-11-07 2016-09-14 シャープ株式会社 基地局、端末、通信システムおよび通信方法
WO2013070577A1 (en) * 2011-11-07 2013-05-16 Motorola Mobility Llc Method and apparatus for csi feedback for joint processing schemes in an orthogonal frequency division multiplexing communication system with coordinated multi-point transmission
US8942302B2 (en) * 2012-12-20 2015-01-27 Google Technology Holdings LLC Method and apparatus for antenna array channel feedback
US8976884B2 (en) * 2012-12-20 2015-03-10 Google Technology Holdings LLC Method and apparatus for antenna array channel feedback
US9312945B2 (en) * 2013-02-28 2016-04-12 Lg Electronics Inc. Method for reporting downlink channel state and apparatus therefor
KR102157652B1 (ko) * 2013-04-29 2020-09-18 엘지전자 주식회사 무선 통신 시스템에서 채널상태정보 전송 방법 및 장치
WO2016022064A2 (en) * 2014-08-07 2016-02-11 Telefonaktiebolaget L M Ericsson (Publ) Aligning measurement gaps and discovery signals
US9825742B2 (en) * 2014-10-03 2017-11-21 Samsung Electronics Co., Ltd. Codebook design and structure for advanced wireless communication systems
US9698881B2 (en) * 2014-11-14 2017-07-04 Telefonaktiebolaget Lm Ericsson (Publ) Feedback channel transmission and detection in multi antenna wireless communication systems
US9680535B2 (en) * 2015-01-16 2017-06-13 Samsung Electronics Co., Ltd. Method and apparatus for reduced feedback FD-MIMO
US9935702B2 (en) * 2015-03-04 2018-04-03 Lg Electronics Inc. Method and apparatus for feeding back channel state information for 3D MIMO in wireless communication system
US9806781B2 (en) * 2015-04-29 2017-10-31 Samsung Electronics Co., Ltd. Codebook design and structure for advanced wireless communication systems
US9967012B2 (en) * 2015-05-06 2018-05-08 Samsung Electronics Co., Ltd. Method and apparatus for channel state information (CSI) reporting
WO2016183737A1 (en) * 2015-05-15 2016-11-24 Qualcomm Incorporated Enhanced csi procedures for fd-mimo
WO2017014612A1 (ko) * 2015-07-23 2017-01-26 엘지전자(주) 다중 안테나 무선 통신 시스템에서 코드북 기반 신호 송수신 방법 및 이를 위한 장치
EP3327943B1 (en) * 2015-07-23 2024-01-03 LG Electronics Inc. Codebook-based signal transmission and reception method in multi-antenna wireless communication system and apparatus therefor
EP3327944A4 (en) * 2015-07-23 2019-03-20 LG Electronics Inc. CODE BOOK BASED SIGNAL TRANSMISSION AND RECEIVING METHOD IN A MULTI-ADVANCED WIRELESS COMMUNICATION SYSTEM AND DEVICE THEREFOR
WO2017061744A1 (ko) * 2015-10-04 2017-04-13 엘지전자 주식회사 무선 통신 시스템에서 채널 상태 정보 송수신 방법 및 이를 위한 장치
US10021459B2 (en) * 2015-10-07 2018-07-10 Oath Inc. Computerized system and method for determining media based on selected motion video inputs
US10637546B2 (en) * 2016-02-23 2020-04-28 Lg Electronics Inc. Method for transceiving channel state information and apparatus therefor in multiple-antenna wireless communication system
WO2017196098A1 (ko) * 2016-05-11 2017-11-16 엘지전자(주) 다중 안테나 무선 통신 시스템에서 채널 상태 정보 송수신 방법 및 이를 위한 장치
CN107370530B (zh) * 2016-05-12 2021-02-12 华为技术有限公司 信道状态信息反馈方法、预编码方法、终端设备和基站
CN109565323B (zh) * 2016-09-26 2022-08-02 Lg 电子株式会社 在无线通信系统中发送/接收信道状态信息的方法及其装置
WO2018135795A1 (ko) * 2017-01-17 2018-07-26 삼성전자 주식회사 이동 통신 시스템에서의 반영속적 채널 상태 보고 방법 및 장치
KR102338306B1 (ko) * 2017-03-23 2021-12-10 엘지전자 주식회사 무선 통신 시스템에서 채널 상태 정보 송수신 방법 및 이를 위한 장치
CN110999106B (zh) * 2017-06-06 2022-09-30 苹果公司 Csi的码本子集限制
WO2018231008A1 (ko) * 2017-06-15 2018-12-20 엘지전자 주식회사 무선 통신 시스템에서 코드북 기반 상향링크 전송 방법 및 이를 위한 장치
EP3474459A1 (en) * 2017-10-18 2019-04-24 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Receiver, transmitter, system and method employing space-delay precoding
CN109787664A (zh) * 2017-11-15 2019-05-21 索尼公司 用于无线通信系统的电子设备、方法、装置和存储介质
US10505646B2 (en) * 2017-12-15 2019-12-10 Keysight Technologies, Inc. Systems and methods for testing a wireless device having a beamforming circuit
US12407391B2 (en) * 2018-12-22 2025-09-02 Koninklijke Philips N.V. Methods and apparatuses for codebook restriction for type-II feedback reporting and higher layer configuration and reporting for linear combination codebook in a wireless communications network
EP3672096A1 (en) * 2018-12-22 2020-06-24 Fraunhofer Gesellschaft zur Förderung der angewandten Forschung e.V. Methods and apparatuses for feedback reporting in a wireless communications network
WO2020147025A1 (en) * 2019-01-16 2020-07-23 Qualcomm Incorporated User equipment override for enhanced type-ii channel state information
CN111756415B (zh) * 2019-03-29 2021-10-26 华为技术有限公司 通信方法及装置
EP3734852A1 (en) * 2019-05-02 2020-11-04 Fraunhofer Gesellschaft zur Förderung der angewandten Forschung e.V. Methods and apparatuses for csi reporting in a wireless communication system
US11387884B2 (en) * 2019-10-01 2022-07-12 Samsung Electronics Co., Ltd. Method and apparatus for multiplexing partial CSI

Non-Patent Citations (5)

* Cited by examiner, † Cited by third party
Title
Fraunhofer IIS, Fraunhofer HHI，Enhancements on Type-II CSI reporting[online]，3GPP TSG RAN WG1 #96b R1-1904218，Internet<URL:https://www.3gpp.org/ftp/tsg_ran/WG1_RL1/TSGR1_96b/Docs/R1-1904218.zip>，2019年03月29日
Intel Corporation，On CSI Enhancements for MU-MIMO[online]，3GPP TSG RAN WG1 #96b R1-1904312，Internet<URL:https://www.3gpp.org/ftp/tsg_ran/WG1_RL1/TSGR1_96b/Docs/R1-1904312.zip>，2019年03月30日
NEC，Discussion on CSI Reporting[online]，3GPP TSG RAN WG1 #96b R1-1904662，Internet<URL:https://www.3gpp.org/ftp/tsg_ran/WG1_RL1/TSGR1_96b/Docs/R1-1904662.zip>，2019年03月29日
NTT DOCOMO，Type II CSI Enhancement for MU-MIMO Support[online]，3GPP TSG RAN WG1 #96b R1-1904965，Internet<URL:https://www.3gpp.org/ftp/tsg_ran/WG1_RL1/TSGR1_96b/Docs/R1-1904965.zip>，2019年03月30日
ZTE，CSI Enhancement for MU-MIMO Support[online]，3GPP TSG RAN WG1 #96 R1-1903343，Internet<URL:https://www.3gpp.org/ftp/tsg_ran/WG1_RL1/TSGR1_96/Docs/R1-1903343.zip>，2019年02月22日

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