JP2019518348A5 - - Google Patents

Download PDF

Info

Publication number
JP2019518348A5
JP2019518348A5 JP2018550561A JP2018550561A JP2019518348A5 JP 2019518348 A5 JP2019518348 A5 JP 2019518348A5 JP 2018550561 A JP2018550561 A JP 2018550561A JP 2018550561 A JP2018550561 A JP 2018550561A JP 2019518348 A5 JP2019518348 A5 JP 2019518348A5
Authority
JP
Japan
Prior art keywords
vectors
spatial covariance
csi
orthogonal basis
transmitting
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.)
Granted
Application number
JP2018550561A
Other languages
English (en)
Japanese (ja)
Other versions
JP2019518348A (ja
JP7062597B2 (ja
Filing date
Publication date
Priority claimed from PCT/CN2016/078179 external-priority patent/WO2017166219A1/en
Application filed filed Critical
Publication of JP2019518348A publication Critical patent/JP2019518348A/ja
Publication of JP2019518348A5 publication Critical patent/JP2019518348A5/ja
Application granted granted Critical
Publication of JP7062597B2 publication Critical patent/JP7062597B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

JP2018550561A 2016-03-31 2017-02-17 強化型ｆｄ－ｍｉｍｏのためのチャネル共分散フィードバック Active JP7062597B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
PCT/CN2016/078179 WO2017166219A1 (en) 2016-03-31 2016-03-31 Channel covariance feedback for enhanced fd-mimo
CNPCT/CN2016/078179 2016-03-31
PCT/CN2017/073872 WO2017166940A1 (en) 2016-03-31 2017-02-17 Channel covariance feedback for enhanced fd-mimo

Publications (3)

Publication Number Publication Date
JP2019518348A JP2019518348A (ja) 2019-06-27
JP2019518348A5 true JP2019518348A5 (https=) 2020-03-12
JP7062597B2 JP7062597B2 (ja) 2022-05-06

Family

ID=59962467

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2018550561A Active JP7062597B2 (ja) 2016-03-31 2017-02-17 強化型ｆｄ－ｍｉｍｏのためのチャネル共分散フィードバック

Country Status (7)

Country Link
US (1) US11632208B2 (https=)
EP (1) EP3437208A4 (https=)
JP (1) JP7062597B2 (https=)
CN (1) CN109314559B (https=)
AU (1) AU2017240856B2 (https=)
CA (1) CA3016260A1 (https=)
WO (2) WO2017166219A1 (https=)

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10771213B2 (en) * 2016-03-31 2020-09-08 Lg Electronics Inc. Method for transmitting feedback information for DM-RS based downlink transmission in wireless communication system and apparatus therefor
US10944183B2 (en) * 2016-04-25 2021-03-09 Lg Electronics Inc. Method for transmitting and receiving channel state information in multi-antenna wireless communication system, and device therefor
US10903887B2 (en) * 2016-11-03 2021-01-26 Lg Electronics Inc. Method for transmitting and receiving channel state information in wireless communication system and device therefor
CN109787727B (zh) * 2017-11-13 2021-08-27 上海朗帛通信技术有限公司 一种用于无线通信的用户设备、基站中的方法和装置
WO2019103454A1 (ko) * 2017-11-21 2019-05-31 엘지전자 주식회사 피드백 정보를 전송하는 방법 및 이를 위한 단말
US10868602B2 (en) * 2018-01-19 2020-12-15 Lenovo (Singapore) Pte. Ltd. Channel compression matrix parameters
CN109314563B (zh) * 2018-02-24 2021-08-31 香港应用科技研究院有限公司 用于确定mimo无线通信系统中的csi的方法和装置
EP3782295A1 (en) * 2018-04-16 2021-02-24 Nokia Solutions and Networks Oy Method and device for long term beamforming
US10348386B1 (en) * 2018-08-09 2019-07-09 At&T Intellectual Property I, L.P. Facilitation of user equipment specific compression of beamforming coefficients for fronthaul links for 5G or other next generation network
US12191951B2 (en) * 2018-12-05 2025-01-07 Telefonaktiebolaget Lm Ericsson (Publ) Scalable method for obtaining UE-specific CSI
CN113708810B (zh) * 2018-12-17 2022-11-01 华为技术有限公司 一种通信方法及设备
CN111435851B (zh) * 2019-01-11 2021-06-15 大唐移动通信设备有限公司 一种信道状态信息发送及接收方法、终端设备和网络设备
US12199719B2 (en) 2019-01-11 2025-01-14 Datang Mobile Communications Equipment Co., Ltd. Methods for sending and receiving channel state information, terminal device and network device
CN113439394B (zh) * 2019-02-14 2024-12-13 苹果公司 多个空间层的ii型csi报告的方法
BR112021012911A2 (pt) * 2019-02-26 2021-09-14 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Método de retroalimentação de livro de códigos, dispositivo terminal e dispositivo de rede
US11277184B2 (en) * 2019-02-26 2022-03-15 Samsung Electronics Co., Ltd. Method and apparatus for high rand CSI reporting in wireless communications systems
CN111726154B (zh) 2019-03-21 2022-04-01 大唐移动通信设备有限公司 一种信道状态信息上报的方法和设备
CN111800172B (zh) * 2019-04-09 2022-02-25 华为技术有限公司 一种通信方法及装置
US11290167B2 (en) * 2019-04-19 2022-03-29 Samsung Electronics Co., Ltd. Frequency division duplex channel state information acquisition based on Kronecker product
CN111934734B (zh) * 2019-05-13 2022-02-22 大唐移动通信设备有限公司 Csi上报方法、csi接收方法、终端和网络侧设备
US10979120B2 (en) * 2019-05-30 2021-04-13 Cypress Semiconductor Corporation Method for optimizing channel sounding feedback in MIMO systems
CN114026793B (zh) * 2019-06-14 2025-06-27 日本电气株式会社 用于上行链路控制信息传输的方法、设备和计算机可读介质
CN110855338B (zh) * 2019-10-28 2021-04-23 东南大学 基于两层预编码的fd-mimo下行自适应传输方法
WO2021147078A1 (en) * 2020-01-23 2021-07-29 Qualcomm Incorporated Precoding matrix indicator feedback for multiple transmission hypotheses
US11464017B1 (en) 2021-03-25 2022-10-04 At&T Intellectual Property I, L.P. Facilitation of beamforming utilizing interpolation for 5G or other next generation network
US12489502B2 (en) 2021-08-25 2025-12-02 Mediatek Inc. Method and user equipment for determining precoder of MIMO system
WO2023147681A1 (en) * 2022-02-01 2023-08-10 Qualcomm Incorporated Time domain basis reporting for channel state information
CN117478182A (zh) * 2022-07-30 2024-01-30 华为技术有限公司 信道状态信息的上报方法及通信装置
US11985009B2 (en) * 2022-09-12 2024-05-14 Nokia Solutions And Networks Oy Determining covariance using a lossy compression method
WO2025176285A1 (en) * 2024-02-20 2025-08-28 Telefonaktiebolaget Lm Ericsson (Publ) Handling coefficients of co-variability of antenna elements
US12363579B1 (en) * 2024-08-31 2025-07-15 Tp-Link Systems Inc. Method and communication apparatus for CSI feedback, and computer-readable storage medium
EP4716110A1 (en) * 2024-09-24 2026-03-25 Nokia Solutions and Networks Oy Low-complexity beamforming using covariance compression

Family Cites Families (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8582672B2 (en) * 2009-02-12 2013-11-12 Futurewei Technologies, Inc. System and method for wireless communications using spatial multiplexing with incomplete channel information
US9319251B2 (en) * 2010-01-04 2016-04-19 Samsung Electronics Co., Ltd. Multiple-input multiple-output (MIMO) communication system using a codebook and method of designing the codebook
US8665930B2 (en) * 2010-02-17 2014-03-04 Blackberry Limited System and method for channel status information feedback in a wireless communications system that utilizes multiple-input multiple-output (MIMO) transmission
KR20110138742A (ko) 2010-06-21 2011-12-28 주식회사 팬택 장치의 채널정보 전송방법, 그 장치, 기지국, 그 기지국의 전송방법
CN104025469B (zh) * 2011-12-28 2017-09-01 三星电子株式会社 无线通信系统中获取发射波束分集的波束形成方法和装置
KR102109655B1 (ko) * 2012-02-23 2020-05-12 한국전자통신연구원 대규모 안테나 시스템에서의 다중 입력 다중 출력 통신 방법
US9681425B2 (en) * 2012-05-11 2017-06-13 Qualcomm Incorporated Rank-specific feedback for improved MIMO support
TWI617148B (zh) * 2012-09-28 2018-03-01 內數位專利控股公司 用於報告回饋的無線發射／接收單元及方法
US8976884B2 (en) * 2012-12-20 2015-03-10 Google Technology Holdings LLC Method and apparatus for antenna array channel feedback
US9281881B2 (en) * 2013-02-12 2016-03-08 Texas Instruments Incorporated 4TX codebook enhancement in LTE
US9094064B2 (en) * 2013-04-15 2015-07-28 Broadcom Corporation Systems and methods for beamforming in a massive MIMO system
US9713026B2 (en) 2013-05-17 2017-07-18 Qualcomm Incorporated Channel state information (CSI) measurement and reporting for enhanced interference management for traffic adaptation (eIMTA) in LTE
CN105247809B (zh) * 2013-05-31 2019-06-21 高通股份有限公司 全维mimo系统中的线性预编码和动态垂直扇区化
JP6466415B2 (ja) 2013-05-31 2019-02-06 クゥアルコム・インコーポレイテッドＱｕａｌｃｏｍｍ Ｉｎｃｏｒｐｏｒａｔｅｄ 全次元ｍｉｍｏシステムにおける線形プリコーディングと動的垂直セクタ化
CN104620527B (zh) * 2013-08-08 2018-06-19 华为技术有限公司 确定预编码矩阵指示的方法、接收设备和发送设备
KR102258289B1 (ko) 2014-05-22 2021-05-31 삼성전자 주식회사 이차원 배열 안테나를 사용하는 이동통신 시스템에서의 채널 피드백의 생성 및 전송 방법 및 장치
CN104202276B (zh) * 2014-07-16 2018-06-01 中兴通讯股份有限公司 信道信息的量化反馈、数据的预编码方法及装置
US20160072562A1 (en) * 2014-09-10 2016-03-10 Samsung Electronics Co., Ltd. Channel state information reporting with basis expansion for advanced wireless communications systems
US9654195B2 (en) * 2014-11-17 2017-05-16 Samsung Electronics Co., Ltd. Methods to calculate linear combination pre-coders for MIMO wireless communication systems
US9893777B2 (en) * 2014-11-17 2018-02-13 Samsung Electronics Co., Ltd. Method and apparatus for precoding channel state information reference signal
EP3269046A4 (en) * 2015-03-13 2018-04-25 Samsung Electronics Co., Ltd. Advanced feedback and reference signal transmissions for mimo wireless communication systems
US10164747B2 (en) * 2015-05-29 2018-12-25 Samsung Electronics Co., Ltd. Method and apparatus for operating MIMO measurement reference signals and feedback
CN107925466B (zh) * 2015-07-23 2021-04-20 Lg 电子株式会社 多天线无线通信系统中的基于码本的信号发送/接收方法
US10594378B2 (en) * 2015-10-12 2020-03-17 Telefonaktiebolaget Lm Ericsson (Publ) Wireless device, a network node and methods therein for determining channel state measurements in a wireless communications network
US10763925B2 (en) * 2015-11-11 2020-09-01 Samsung Electronics Co., Ltd. Method and apparatus for reduced feedback MIMO
EP3399661A4 (en) * 2015-12-31 2019-09-04 LG Electronics Inc. -1- METHOD FOR CSI REPORTING IN A WIRELESS COMMUNICATION SYSTEM AND DEVICE THEREFOR
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
US10411868B2 (en) * 2016-02-24 2019-09-10 Samsung Electronics Co., Ltd. Method and apparatus for channel state information (CSI) reporting
US10129906B2 (en) * 2016-03-01 2018-11-13 Samsung Electronics Co., Ltd. Partial port hybrid CSI feedback for MIMO wireless communication systems
US10056956B2 (en) * 2016-03-24 2018-08-21 Samsung Electronics Co., Ltd. Precoder codebook for CSI reporting in advanced wireless communication systems
WO2017161590A1 (en) * 2016-03-25 2017-09-28 Qualcomm Incorporated Enhanced hybrid csi-rs for fd-mimo
US10009088B2 (en) * 2016-03-28 2018-06-26 Samsung Electronics Co., Ltd. Linear combination PMI codebook based CSI reporting in advanced wireless communication systems

Similar Documents

Publication Publication Date Title
JP2019518348A5 (https=)
CN114557073B (zh) 用于无线信道参考信号传输和信道状态信息反馈的方法
JP2022504137A5 (https=)
EP4262105A1 (en) Reporting of channel state information
CN113258974B (zh) 信道状态信息反馈方法、装置、终端、网络侧和存储介质
FI3876433T3 (fi) Csi-takaisinkytkentä- ja vastaanottomenetelmät ja -laitteet
CN112054825A (zh) 一种信道测量方法和通信装置
JP2015513257A5 (https=)
CN112470412B (zh) 频域时域信道硬化和开销减少
US20160365913A1 (en) Channel state information feedback method and apparatus, user equipment, and base station
WO2016184264A1 (zh) 一种码本子集约束的方法及装置
TWI622276B (zh) Channel state information acquisition method, channel state information feedback method and device
CN111817839A (zh) 参考信号的资源配置方法、装置以及通信系统
US12273151B2 (en) Over-the-air beamforming calibration
EP4092920A2 (en) User device scheduling
JP6723369B2 (ja) フィードバック情報伝送方法および装置
JPWO2020088640A5 (https=)
WO2018127126A1 (zh) 一种信道状态信息上报方法、基站和用户设备
WO2017096954A1 (zh) Cqi估计、sinr确定方法及相关设备
TWI514806B (zh) Channel State Information Feedback Method and Device in Large Scale Antenna System
WO2016026350A1 (zh) 一种三维信道状态信息确定方法及装置
Seyedsalehi et al. Propagation channel modeling by deep learning techniques
CN112119617B (zh) 基于特征值的信道硬化和显式反馈
Ghosh et al. Techniques for MIMO channel covariance matrix quantization
CN116915291A (zh) 报告信道状态信息的方法和用户设备