CA3008326A1 - Energy efficient csi measurement for fd-mimo - Google Patents

Energy efficient csi measurement for fd-mimo Download PDF

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Publication number
CA3008326A1
CA3008326A1 CA3008326A CA3008326A CA3008326A1 CA 3008326 A1 CA3008326 A1 CA 3008326A1 CA 3008326 A CA3008326 A CA 3008326A CA 3008326 A CA3008326 A CA 3008326A CA 3008326 A1 CA3008326 A1 CA 3008326A1
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CA
Canada
Prior art keywords
csi
resources
subset
reporting
antenna ports
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.)
Pending
Application number
CA3008326A
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English (en)
French (fr)
Inventor
Chao Wei
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.)
Qualcomm Inc
Original Assignee
Qualcomm 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 Qualcomm Inc filed Critical Qualcomm Inc
Publication of CA3008326A1 publication Critical patent/CA3008326A1/en
Pending legal-status Critical Current

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Classifications

    • 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
    • H04B7/0452—Multi-user 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
    • H04B7/0413—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
    • H04B7/0479—Special codebook structures directed to feedback optimisation for multi-dimensional arrays, e.g. horizontal or vertical pre-distortion matrix index [PMI]
    • 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
    • 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
    • H04L1/20—Arrangements for detecting or preventing errors in the information received using signal quality detector
    • 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
    • H04L5/0048—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
    • H04L5/0091—Signalling for the administration of the divided path, e.g. signalling of configuration information
    • 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
    • H04L5/14—Two-way operation using the same type of signal, i.e. duplex
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Mobile Radio Communication Systems (AREA)
CA3008326A 2016-01-28 2016-11-07 Energy efficient csi measurement for fd-mimo Pending CA3008326A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
PCT/CN2016/072502 WO2017128175A1 (en) 2016-01-28 2016-01-28 Energy efficient csi measurement for fd-mimo
CNPCT/CN2016/072502 2016-01-28
PCT/CN2016/104860 WO2017128800A1 (en) 2016-01-28 2016-11-07 Energy efficient csi measurement for fd-mimo

Publications (1)

Publication Number Publication Date
CA3008326A1 true CA3008326A1 (en) 2017-08-03

Family

ID=59397121

Family Applications (1)

Application Number Title Priority Date Filing Date
CA3008326A Pending CA3008326A1 (en) 2016-01-28 2016-11-07 Energy efficient csi measurement for fd-mimo

Country Status (8)

Country Link
US (2) US11139875B2 (enExample)
EP (1) EP3409041B1 (enExample)
JP (1) JP7017513B2 (enExample)
CN (1) CN108605237B (enExample)
AU (1) AU2016390195B2 (enExample)
BR (1) BR112018015225B1 (enExample)
CA (1) CA3008326A1 (enExample)
WO (2) WO2017128175A1 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111344989A (zh) * 2017-11-17 2020-06-26 三星电子株式会社 无线通信系统中设置参考信号的方法和设备

Families Citing this family (49)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10826577B2 (en) * 2015-01-19 2020-11-03 Qualcomm Incorporated Enhanced CSI feedback for FD-MIMO
US10211964B2 (en) * 2015-07-29 2019-02-19 Samsung Electronics Co., Ltd. Method and apparatus for CSI reporting
US11121752B2 (en) 2016-01-07 2021-09-14 Qualcomm Incorporated Enhanced CSI feedback for FD-MIMO
WO2017128175A1 (en) * 2016-01-28 2017-08-03 Qualcomm Incorporated Energy efficient csi measurement for fd-mimo
US10716020B2 (en) * 2016-02-23 2020-07-14 Samsung Electronics Co., Ltd. Method and apparatus for measurement reference signal
CN107135025A (zh) * 2016-02-29 2017-09-05 株式会社Ntt都科摩 信道状态信息参考信号发送方法及基站
CN108155923B (zh) * 2016-12-03 2020-05-22 上海朗帛通信技术有限公司 一种被用于多天线传输的ue、基站中的方法和装置
MX2019007235A (es) * 2016-12-20 2019-09-06 Sharp Kk Aparato de estacion base, aparato terminal, método de comunicación y circuito integrado.
JP2020031248A (ja) * 2016-12-20 2020-02-27 シャープ株式会社 基地局装置、端末装置、通信方法、および、集積回路
CN110249571B (zh) * 2017-01-09 2022-05-10 瑞典爱立信有限公司 用于半持续csi-rs的可靠动态指示的系统和方法
KR102823161B1 (ko) * 2017-02-07 2025-06-20 삼성전자 주식회사 차세대 이동통신 시스템에서 QoS를 처리하는 PDCP 계층의 동작 방법 및 장치
CN110495207B (zh) * 2017-02-10 2023-06-20 Lg电子株式会社 在无线通信系统中测量和报告信道状态信息的方法及其装置
KR102721403B1 (ko) * 2017-02-24 2024-10-25 삼성전자주식회사 무선 통신 시스템에서 기준 신호를 전송하기 위한 장치 및 방법
US10812162B2 (en) * 2017-03-21 2020-10-20 Samsung Electronics Co., Ltd. Method and apparatus for indication of reference signals in wireless systems
KR102294661B1 (ko) * 2017-03-23 2021-08-30 삼성전자 주식회사 이동 통신 시스템에서의 데이터 전송 방법 및 장치
US10735072B2 (en) 2017-03-23 2020-08-04 Samsung Electronics Co., Ltd Method and apparatus for transmitting data in wireless communication system
US11950287B2 (en) * 2017-08-10 2024-04-02 Comcast Cable Communications, Llc Resource configuration of beam failure recovery request transmission
US11337265B2 (en) 2017-08-10 2022-05-17 Comcast Cable Communications, Llc Beam failure recovery request transmission
US10887939B2 (en) 2017-08-10 2021-01-05 Comcast Cable Communications, Llc Transmission power control for beam failure recovery requests
US10855359B2 (en) 2017-08-10 2020-12-01 Comcast Cable Communications, Llc Priority of beam failure recovery request and uplink channels
CN113922938B (zh) 2017-11-17 2024-02-02 中兴通讯股份有限公司 一种参考信号信道特征配置方法和装置、及通信设备
KR20200088416A (ko) * 2017-11-17 2020-07-22 지티이 코포레이션 기준 신호 구성
CN111788845B (zh) * 2018-01-11 2024-09-03 夏普株式会社 用户设备、基站和方法
US10855432B2 (en) 2018-01-11 2020-12-01 Sharp Kabushiki Kaisha User equipments, base stations and methods
WO2020029200A1 (en) 2018-08-09 2020-02-13 Zte Corporation Antenna group operations for wireless systems
WO2020051922A1 (en) 2018-09-15 2020-03-19 Qualcomm Incorporated Csi for non-coherent joint transmission
US10523287B1 (en) * 2018-11-28 2019-12-31 Telefonaktiebolaget Lm Ericsson (Publ) Transmission parameter assignment for MU-MIMO wireless devices
WO2021024325A1 (ja) * 2019-08-02 2021-02-11 株式会社Ｎｔｔドコモ 端末及び無線通信方法
US11558095B2 (en) * 2019-08-26 2023-01-17 Qualcomm Incorporated Channel state information measurement adaptation to maximum multiple-input multiple-output layers
EP4102883A4 (en) * 2020-02-04 2023-10-18 Ntt Docomo, Inc. USER TERMINAL, WIRELESS COMMUNICATION METHOD AND BASE STATION
BR112022016953A2 (pt) * 2020-02-27 2022-10-25 Lenovo Beijing Ltd Método e aparelho para comunicação sem fio
US20230247459A1 (en) 2020-05-06 2023-08-03 Qualcomm Incorporated Physical layer cross-link interference measurement and reporting
CN111800175B (zh) * 2020-06-01 2021-08-06 华南理工大学 基于码本的多天线有限字符输入预编码和时隙分配方法
WO2022009417A1 (ja) * 2020-07-10 2022-01-13 株式会社Ｎｔｔドコモ 端末、無線通信方法及び基地局
US11818729B2 (en) * 2020-09-21 2023-11-14 Qualcomm Incorporated Reporting on lean synchronization signal blocks to enable beam management
US20230344578A1 (en) * 2020-10-16 2023-10-26 Qualcomm Incorporated Channel state information reference signal (csi-rs) resource activation or deactivation within a resource set
US20220140878A1 (en) * 2020-11-02 2022-05-05 Samsung Electronics Co., Ltd. Method and apparatus for beam measurement and reporting in a wireless communication system
CN115190498B (zh) * 2021-04-02 2024-04-26 大唐移动通信设备有限公司 增强的csi-rs传输、发送反馈信息的方法、装置、设备及介质
WO2022261923A1 (en) * 2021-06-18 2022-12-22 Lenovo (Beijing) Limited Resource measurement restriction for beam management
WO2023050312A1 (en) * 2021-09-30 2023-04-06 Qualcomm Incorporated Csi-rs resource configuration for csi measurement
US20230328770A1 (en) * 2022-04-12 2023-10-12 Samsung Electronics Co., Ltd. Trp subset selection and reporting
EP4494297A1 (en) * 2022-04-15 2025-01-22 Ofinno, LLC Channel state information configuration and reporting in energy saving
EP4513778A1 (en) * 2022-04-21 2025-02-26 LG Electronics Inc. Method and device for transmitting/receiving channel state information in wireless communication system
JP2025525065A (ja) * 2022-07-29 2025-08-01 北京小米移動軟件有限公司 チャネル状態情報の測定方法、測定装置、通信機器及び記憶媒体
GB2629027A (en) * 2023-04-14 2024-10-16 Nec Corp Communication system
CN121080023A (zh) * 2023-05-04 2025-12-05 高通股份有限公司 对信道状态信息处理单元的数量的标识
AU2023448593A1 (en) * 2023-05-12 2025-11-27 Nokia Technologies Oy Enhanced csi reporting activation/deactivation operation
CN117598004A (zh) * 2023-09-28 2024-02-23 北京小米移动软件有限公司 信道状态信息csi报告配置处理方法、通信设备及存储介质
WO2025097348A1 (en) * 2023-11-09 2025-05-15 Huawei Technologies Co., Ltd. Active csi resources and active ports counting for network energy saving

Family Cites Families (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9007988B2 (en) * 2008-02-11 2015-04-14 Texas Instruments Incorporated Partial CQI feedback in wireless networks
CN102347817B (zh) 2010-08-02 2014-01-08 华为技术有限公司 通知参考信号配置信息的方法及设备
US9419776B2 (en) * 2011-02-07 2016-08-16 Interdigital Patent Holdings, Inc. Method and apparatus for operating supplementary cells in licensed exempt spectrum
US10085164B2 (en) * 2011-04-28 2018-09-25 Qualcomm Incorporated System and method for managing invalid reference subframes for channel state information feedback
CN102869105B (zh) * 2011-07-07 2016-03-30 华为技术有限公司 一种配置参考信号的方法、UE及eNB
CN103220066B (zh) * 2012-01-18 2017-04-26 华为技术有限公司 测量方法，csi‑rs资源共享方法和装置
CN103220068B (zh) 2012-01-19 2018-10-26 中兴通讯股份有限公司 信道状态信息处理方法、装置及系统
CN103259583B (zh) * 2012-02-20 2016-12-07 华为技术有限公司 传输数据的方法、用户设备和基站
US9526049B2 (en) * 2012-02-23 2016-12-20 Lg Electronics Inc. Method for performing handover in a C-RAN system, and apparatus therefor
WO2013133597A1 (ko) * 2012-03-08 2013-09-12 엘지전자 주식회사 무선 통신 시스템에서 보고를 위한 정보 전송 방법 및 장치
CN104380625B (zh) * 2012-03-22 2018-02-02 Lg电子株式会社 用于发送或接收上行信号的方法
WO2013168081A2 (en) * 2012-05-08 2013-11-14 Marvell World Trade Ltd. Method and system for reporting feedback in cooperative multipoint transmission
CN103516464B (zh) * 2012-06-20 2018-04-10 中兴通讯股份有限公司 信道状态信息报告的反馈方法及装置
US20130343299A1 (en) * 2012-06-21 2013-12-26 Samsung Electronics Co., Ltd Method for cqi feedback without spatial feedback (pmi/ri) for tdd coordinated multi-point and carrier aggregation scenarios
EP2685755B1 (en) * 2012-07-12 2015-12-09 Alcatel Lucent Regional classification of a mobile terminal within a cell
US20140029458A1 (en) 2012-07-24 2014-01-30 Acer Incorporated Apparatuses and methods for signaling coordinated multi-point (comp) measurement configuration
US9456358B2 (en) * 2012-08-13 2016-09-27 Qualcomm Incorporated Method and apparatus for indicating active channel state information reference signal (CSI-RS) configurations
KR101988285B1 (ko) 2012-09-20 2019-06-12 삼성전자 주식회사 무선 통신 시스템에서 채널 상태 정보 송수신 방법 및 장치
US9591632B2 (en) * 2012-11-06 2017-03-07 Lg Electronics Inc. Method and apparatus for transmitting and receiving data in a wireless communication system
EP2965555B1 (en) * 2013-03-08 2021-05-26 Nokia Solutions and Networks Oy Evaluation of throughput of aggregated connections
CN110545134B (zh) * 2013-12-20 2022-10-21 北京三星通信技术研究有限公司 信道状态信息汇报的方法及装置
US10721720B2 (en) * 2014-01-30 2020-07-21 Qualcomm Incorporated Cell On-Off procedure for dual connectivity
ES2754622T3 (es) * 2014-10-10 2020-04-20 Ericsson Telefon Ab L M Método para retroalimentación CSI dinámica
US20160149679A1 (en) * 2014-10-10 2016-05-26 Telefonaktiebolaget L M Ericsson (Publ) Method for dynamic csi feedback
US10826577B2 (en) * 2015-01-19 2020-11-03 Qualcomm Incorporated Enhanced CSI feedback for FD-MIMO
US10079665B2 (en) * 2015-01-29 2018-09-18 Samsung Electronics Co., Ltd. System and method for link adaptation for low cost user equipments
US10587377B2 (en) * 2015-06-17 2020-03-10 Lg Electronics Inc. Method for channel state report using aperiodic channel state information-reference signal and apparatus therefor
US20180167121A1 (en) * 2015-06-30 2018-06-14 Nokia Solutions And Networks Oy Control Signaling
US10211964B2 (en) * 2015-07-29 2019-02-19 Samsung Electronics Co., Ltd. Method and apparatus for CSI reporting
US10200164B2 (en) * 2015-09-22 2019-02-05 Comcast Cable Communications, Llc Carrier activation in a multi-carrier wireless network
EP3399661A4 (en) * 2015-12-31 2019-09-04 LG Electronics Inc. -1- METHOD FOR CSI REPORTING IN A WIRELESS COMMUNICATION SYSTEM AND DEVICE THEREFOR
US11121752B2 (en) * 2016-01-07 2021-09-14 Qualcomm Incorporated Enhanced CSI feedback for FD-MIMO
WO2017128175A1 (en) * 2016-01-28 2017-08-03 Qualcomm Incorporated Energy efficient csi measurement for fd-mimo
KR20170112897A (ko) 2016-03-31 2017-10-12 삼성전자주식회사 이동 통신 시스템에서의 채널 상태 정보 보고 모드 설정 방법 및 장치

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111344989A (zh) * 2017-11-17 2020-06-26 三星电子株式会社 无线通信系统中设置参考信号的方法和设备
EP3687095A4 (en) * 2017-11-17 2020-11-25 Samsung Electronics Co., Ltd. METHOD AND DEVICE FOR SETTING A REFERENCE SIGNAL IN A WIRELESS COMMUNICATION SYSTEM
US11362715B2 (en) 2017-11-17 2022-06-14 Samsung Electronics Co., Ltd Method and device for setting reference signal in wireless communication system
CN111344989B (zh) * 2017-11-17 2023-05-30 三星电子株式会社 无线通信系统中设置参考信号的方法和设备

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Publication number Publication date
AU2016390195A1 (en) 2018-07-05
WO2017128175A1 (en) 2017-08-03
EP3409041A1 (en) 2018-12-05
CN108605237A (zh) 2018-09-28
BR112018015225A2 (pt) 2018-12-18
WO2017128800A1 (en) 2017-08-03
US11581933B2 (en) 2023-02-14
AU2016390195B2 (en) 2020-10-29
US20210351826A1 (en) 2021-11-11
BR112018015225B1 (pt) 2024-02-20
JP7017513B2 (ja) 2022-02-08
EP3409041B1 (en) 2023-03-15
EP3409041A4 (en) 2019-09-18
US11139875B2 (en) 2021-10-05
JP2019511853A (ja) 2019-04-25
US20180375560A1 (en) 2018-12-27
CN108605237B (zh) 2021-08-10

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