CA3020227A1 - Reference signals and link adaptation for massive mimo - Google Patents

Reference signals and link adaptation for massive mimo Download PDF

Info

Publication number
CA3020227A1
CA3020227A1 CA3020227A CA3020227A CA3020227A1 CA 3020227 A1 CA3020227 A1 CA 3020227A1 CA 3020227 A CA3020227 A CA 3020227A CA 3020227 A CA3020227 A CA 3020227A CA 3020227 A1 CA3020227 A1 CA 3020227A1
Authority
CA
Canada
Prior art keywords
subframe
csi
srs
downlink
uplink
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
CA3020227A
Other languages
English (en)
French (fr)
Inventor
Joseph Binamira Soriaga
Pavan Kumar Vitthaladevuni
Can Karakus
Tingfang Ji
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 CA3020227A1 publication Critical patent/CA3020227A1/en
Pending legal-status Critical Current

Links

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
    • H04B7/0413—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
    • H04B7/0417—Feedback systems
    • H04B7/0421—Feedback systems utilizing implicit feedback, e.g. steered pilot signals
    • 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
    • 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
    • H04B7/0617—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 for beam forming
    • 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
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0686—Hybrid systems, i.e. switching and simultaneous transmission
    • H04B7/0691—Hybrid systems, i.e. switching and simultaneous transmission using subgroups of transmit antennas
    • 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
    • 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
    • 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
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • 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
    • 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
    • H04W88/08—Access point devices
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Power Engineering (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
CA3020227A 2016-05-09 2017-05-03 Reference signals and link adaptation for massive mimo Pending CA3020227A1 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201662333693P 2016-05-09 2016-05-09
US62/333,693 2016-05-09
US15/584,740 2017-05-02
US15/584,740 US10505597B2 (en) 2016-05-09 2017-05-02 Reference signals and link adaptation for massive MIMO
PCT/US2017/030793 WO2017196604A1 (en) 2016-05-09 2017-05-03 Reference signals and link adaptation for massive mimo

Publications (1)

Publication Number Publication Date
CA3020227A1 true CA3020227A1 (en) 2017-11-16

Family

ID=60243761

Family Applications (1)

Application Number Title Priority Date Filing Date
CA3020227A Pending CA3020227A1 (en) 2016-05-09 2017-05-03 Reference signals and link adaptation for massive mimo

Country Status (8)

Country Link
US (1) US10505597B2 (enExample)
EP (1) EP3455949B1 (enExample)
JP (1) JP6978432B2 (enExample)
CN (1) CN109075827B (enExample)
AU (1) AU2017264574B2 (enExample)
CA (1) CA3020227A1 (enExample)
TW (1) TWI736617B (enExample)
WO (1) WO2017196604A1 (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20170331610A1 (en) * 2015-01-29 2017-11-16 Huawei Technologies Co., Ltd. Communications Method and Device for Multi-Carrier Aggregation
US20180070365A1 (en) * 2016-09-07 2018-03-08 Samsung Electronics Co., Ltd. Apparatus and method for mitigating interference in wireless communication system

Families Citing this family (38)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10148346B1 (en) * 2016-08-04 2018-12-04 Sprint Spectrum L.P. Systems and methods for determining a frequency band for wireless backhaul
US10736074B2 (en) 2017-07-31 2020-08-04 Qualcomm Incorporated Systems and methods to facilitate location determination by beamforming of a positioning reference signal
US10715229B2 (en) 2018-01-19 2020-07-14 At&T Intellectual Property I, L.P. Facilitating semi-open loop based transmission diversity for uplink transmissions for 5G or other next generation networks
US11923924B2 (en) * 2018-02-26 2024-03-05 Parallel Wireless, Inc. Miniature antenna array with polar combining architecture
WO2019166973A1 (en) * 2018-03-02 2019-09-06 Sony Mobile Communications Inc. Tailored beam management of beamformed transmission
US11212051B2 (en) * 2018-03-06 2021-12-28 Qualcomm Incorporated Beam management for autonomous uplink with analog beams
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
US10771139B2 (en) 2018-06-01 2020-09-08 Samsung Electronics Co., Ltd Apparatus and method for providing efficient beamforming feedback
US10644771B2 (en) * 2018-06-08 2020-05-05 University Of South Florida Using artificial signals to maximize capacity and secrecy of multiple-input multiple-output (MIMO) communication
US10516452B1 (en) * 2018-06-08 2019-12-24 University Of South Florida Using artificial signals to maximize capacity and secrecy of multiple-input multiple-output (MIMO) communication
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
US11159290B2 (en) * 2018-06-28 2021-10-26 Acer Incorporated Device and method for handling a sounding reference signal transmission
CN112438060B (zh) * 2018-07-28 2024-03-19 高通股份有限公司 用于远程干扰管理的参考信号
CN110536430B (zh) * 2018-09-05 2023-04-07 中兴通讯股份有限公司 通信及资源配置方法、装置、基站、终端及存储介质
US10862615B2 (en) 2018-11-09 2020-12-08 Samsung Electronics Co., Ltd Modulation and coding scheme selection for massive multiple-input multiple-output (MIMO) systems with partial channel information
EP3888256A4 (en) * 2018-11-27 2022-08-31 Xcom Labs, Inc. NON-COHERENT COOPERATIVE MIMO COMMUNICATIONS
US11277174B2 (en) * 2019-01-09 2022-03-15 Qualcomm Incorporated Channel state feedback computation and beam training for full-duplex communication
CN113366787B (zh) * 2019-01-16 2023-06-23 上海诺基亚贝尔股份有限公司 用于估计信道状态信息的方法、设备和计算机可读介质
US12273286B2 (en) 2019-01-21 2025-04-08 Qualcomm Incorporated Bandwidth part operation and downlink or uplink positioning reference signal scheme
US11777764B2 (en) 2019-03-28 2023-10-03 Qualcomm Incorporated Sounding reference signal waveform design for wireless communications
WO2020191713A1 (en) 2019-03-28 2020-10-01 Huawei Technologies Co., Ltd. System and method for signal detection at asynchronous devices and devices without a time frame structure
WO2020213141A1 (ja) * 2019-04-18 2020-10-22 株式会社Ｎｔｔドコモ ユーザ端末及び無線通信方法
US11239967B2 (en) 2019-05-02 2022-02-01 Qualcomm Incorporated Patterns for reference signals used for positioning in a wireless communications system
US11381298B2 (en) * 2019-06-28 2022-07-05 Qualcomm Incorporated User equipment based beam measurement resource activation
US11716123B2 (en) 2019-10-09 2023-08-01 The Trustees Of Columbia University In The City Of New York Systems, methods, and media for recovering data symbols in multiple-input, multiple-output receivers
US12244417B2 (en) 2019-12-20 2025-03-04 Qualcomm Incorporated Link adaptation protocol in a wireless local area network (WLAN)
US20230122263A1 (en) * 2020-04-24 2023-04-20 Qualcomm Incorporated New csi report setting to hasten csi feedback for svd-based precoding
US12088378B2 (en) * 2020-09-18 2024-09-10 Qualcomm Incorporated Low overhead and high accuracy channel state feedback using neural networks
WO2022079188A1 (en) * 2020-10-16 2022-04-21 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Iterative transmit refinement
KR20220111145A (ko) * 2021-02-01 2022-08-09 삼성전자주식회사 간섭 백색화 동작을 수행하는 무선 통신 장치 및 이의 동작 방법
CN115119243B (zh) * 2021-03-17 2025-11-21 中国移动通信有限公司研究院 一种干扰上报方法、装置和存储介质
CN115550683B (zh) * 2021-06-29 2024-12-20 华为技术有限公司 一种视频数据的传输方法及装置
WO2023277744A1 (en) * 2021-06-30 2023-01-05 Telefonaktiebolaget Lm Ericsson (Publ) Channel modelling
US12438752B2 (en) * 2021-12-17 2025-10-07 Intel Corporation Methods and devices for joint processing in massive MIMO systems
EP4307624A1 (en) * 2022-07-14 2024-01-17 Nokia Solutions and Networks Oy Whitening uplink data streams
WO2025050954A1 (en) * 2023-09-04 2025-03-13 Mediatek Inc. Method and apparatus for channel information feedback with whitening information in mobile communications
US20250106690A1 (en) * 2023-09-25 2025-03-27 Huawei Technologies Canada Co., Ltd. Methods and system of collaborative link adaptation
WO2025151753A1 (en) * 2024-01-12 2025-07-17 John Mezzalingua Associates, LLC. Base station-centric determination of best beamforming parameters for over-the-air communications with a user device

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008054235A (ja) 2006-08-28 2008-03-06 Matsushita Electric Ind Co Ltd 変調方式判定装置、受信装置、変調方式判定方法及び変調方式判定プログラム
US8463191B2 (en) * 2009-04-02 2013-06-11 Qualcomm Incorporated Beamforming options with partial channel knowledge
US8699589B2 (en) 2009-07-06 2014-04-15 Futurewei Technologies, Inc. System and method for multi-cell joint codebook feedback in wireless communications systems
JP5608178B2 (ja) * 2010-01-14 2014-10-15 パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカ 端末装置、通信装置及び通信方法
CN103119873B (zh) * 2010-02-12 2017-04-12 黑莓有限公司 用于协作多点网络实现的参考信号
WO2013003974A1 (en) * 2011-07-01 2013-01-10 Telefonaktiebolaget L M Ericsson (Publ) Beamforming with phase compensation
WO2013184613A2 (en) * 2012-06-04 2013-12-12 Interdigital Patent Holdings, Inc. Communicating channel state information (csi) of multiple transmission points
EP2869478A4 (en) * 2012-07-02 2016-02-24 Lg Electronics Inc METHOD AND DEVICE FOR DELIVERING CHANNEL STATE INFORMATION IN A WIRELESS COMMUNICATION SYSTEM
US9596065B2 (en) * 2012-10-24 2017-03-14 Qualcomm Incorporated Enhanced SRS transmission for MIMO operation in LTE-A
US9178583B2 (en) 2013-01-08 2015-11-03 Samsung Electronics Co., Ltd. Channel state information feedback design in advanced wireless communication systems
US9300451B2 (en) * 2013-03-13 2016-03-29 Samsung Electronics Co., Ltd. Transmission of sounding reference signals for adaptively configured TDD communication systems
US10034283B2 (en) 2013-08-23 2018-07-24 Qualcomm Incorporated CSI and ACK reporting enhancements in LTE/LTE-A with unlicensed spectrum
CN104796220A (zh) * 2014-01-21 2015-07-22 株式会社Ntt都科摩 信道状态信息的反馈和交换方法及装置
CN104980247B (zh) 2014-04-04 2019-11-22 北京三星通信技术研究有限公司 自适应调整调制编码方式和参考信号图样的方法、基站、终端和系统
US10084579B2 (en) 2014-11-17 2018-09-25 Samsung Electronics Co., Ltd. CSI feedback for MIMO wireless communication systems with polarized active antenna array
US10057019B2 (en) 2015-05-08 2018-08-21 Qualcomm Incorporated Media access control (MAC) layer coding and hybrid automatic repeat request (HARQ) for efficient receiver pipeline processing in self-contained time division duplex (TDD) subframe
EP3337054A4 (en) * 2015-08-13 2018-08-01 Samsung Electronics Co., Ltd. Channel state information feedback method and apparatus
US10931342B2 (en) 2015-08-13 2021-02-23 Samsung Electronics Co., Ltd. Reference signal measurement method and apparatus for use in mobile communication system
WO2017119741A1 (ko) * 2016-01-08 2017-07-13 엘지전자 주식회사 무선통신 시스템에서 단말이 기지국으로 부터 하향링크 신호를 수신하는 방법 및 이를 위한 장치
WO2017123276A1 (en) * 2016-01-15 2017-07-20 Intel IP Corporation 5g fdd low latency transmission subframe structure system and method of use
WO2017166024A1 (en) * 2016-03-28 2017-10-05 Intel IP Corporation Apparatus and method for control signaling of csi-rs

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20170331610A1 (en) * 2015-01-29 2017-11-16 Huawei Technologies Co., Ltd. Communications Method and Device for Multi-Carrier Aggregation
US10536255B2 (en) * 2015-01-29 2020-01-14 Huawei Technologies Co., Ltd. Communications method and device for multi-carrier aggregation
US20180070365A1 (en) * 2016-09-07 2018-03-08 Samsung Electronics Co., Ltd. Apparatus and method for mitigating interference in wireless communication system
US10616898B2 (en) * 2016-09-07 2020-04-07 Samsung Electronics Co., Ltd. Apparatus and method for mitigating interference in wireless communication system

Also Published As

Publication number Publication date
US20170324455A1 (en) 2017-11-09
CN109075827B (zh) 2021-05-25
TW201743576A (zh) 2017-12-16
TWI736617B (zh) 2021-08-21
CN109075827A (zh) 2018-12-21
JP6978432B2 (ja) 2021-12-08
BR112018072938A2 (pt) 2019-02-19
JP2019516324A (ja) 2019-06-13
EP3455949B1 (en) 2022-12-21
US10505597B2 (en) 2019-12-10
WO2017196604A1 (en) 2017-11-16
AU2017264574A1 (en) 2018-10-25
AU2017264574B2 (en) 2022-01-27
EP3455949A1 (en) 2019-03-20

Similar Documents

Publication Publication Date Title
AU2017264574B2 (en) Reference signals and link adaptation for massive MIMO
AU2021218045B2 (en) Semi-persistent measurement reference signal (mrs) configuration
US10542556B2 (en) Modulation and coding scheme (MCS) and/or rank selection in coordinated multi-point (CoMP) communication
US10368373B2 (en) Beam selection and refinement during a random access channel (RACH) procedure
US11871259B2 (en) Sounding reference signal (SRS) guided downlink channel state information-reference signal (CSI-RS) scan
US10638431B2 (en) Power control for coordinated multipoint joint transmission
WO2020051922A1 (en) Csi for non-coherent joint transmission
WO2020051896A1 (en) Csi report configuration with a codebook list
WO2019047972A1 (en) METHOD OF CONFIGURING MIMO UL TRANSMISSION NOT BASED ON CODEBOOK
CN110447178A (zh) 用于使用下行链路参考信号的上行链路预编码器确定或使用上行链路参考信号的下行链路预编码器确定的技术和装置
WO2018170821A1 (en) Differential csi reporting for higher resolution csi
CN110637426A (zh) 用于嵌套新无线电系统和长期演进系统的技术和装置
WO2018058600A1 (en) Advanced channel state information feedback design
WO2019153224A1 (en) Dynamic switching between non-codebook and codebook based uplink transmissions
WO2019173970A1 (en) Receive filter indication for downlink transmissions
WO2019051633A1 (en) SIGNALING DESIGN FOR NON-PMI-BASED CSI INFORMATION RETURN
BR112018072938B1 (pt) Método e aparelho para comunicações sem fio por uma estação base, método e aparelho para comunicações sem fio por um equipamento de usuário e memória

Legal Events

Date Code Title Description
EEER Examination request

Effective date: 20220404

EEER Examination request

Effective date: 20220404

EEER Examination request

Effective date: 20220404

EEER Examination request

Effective date: 20220404

EEER Examination request

Effective date: 20220404

EEER Examination request

Effective date: 20220404