[go: up one dir, main page]
More Web Proxy on the site http://driver.im/

DK3272022T3 - Fremgangsmåder og indretninger til bestemmelse af forkoderparametre i et trådløst kommunikationsnetværk - Google Patents

Fremgangsmåder og indretninger til bestemmelse af forkoderparametre i et trådløst kommunikationsnetværk Download PDF

Info

Publication number
DK3272022T3
DK3272022T3 DK17715537.1T DK17715537T DK3272022T3 DK 3272022 T3 DK3272022 T3 DK 3272022T3 DK 17715537 T DK17715537 T DK 17715537T DK 3272022 T3 DK3272022 T3 DK 3272022T3
Authority
DK
Denmark
Prior art keywords
methods
devices
wireless communication
communication network
encoder parameters
Prior art date
Application number
DK17715537.1T
Other languages
English (en)
Inventor
Sebastian Faxér
Svante Bergman
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Application granted granted Critical
Publication of DK3272022T3 publication Critical patent/DK3272022T3/da

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0408Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas using two or more beams, i.e. beam diversity
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0413MIMO systems
    • H04B7/0417Feedback systems
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0413MIMO systems
    • H04B7/0452Multi-user MIMO systems
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0413MIMO systems
    • H04B7/0456Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0413MIMO systems
    • H04B7/0456Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
    • H04B7/046Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting taking physical layer constraints into account
    • H04B7/0465Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting taking physical layer constraints into account taking power constraints at power amplifier or emission constraints, e.g. constant modulus, into account
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0413MIMO systems
    • H04B7/0456Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
    • H04B7/046Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting taking physical layer constraints into account
    • H04B7/0469Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting taking physical layer constraints into account taking special antenna structures, e.g. cross polarized antennas into account
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0413MIMO systems
    • H04B7/0456Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
    • H04B7/0478Special codebook structures directed to feedback optimisation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613Diversity 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
    • H04B7/0615Diversity 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
    • H04B7/0617Diversity 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613Diversity 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
    • H04B7/0615Diversity 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
    • H04B7/0619Diversity 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
    • H04B7/0621Feedback content
    • H04B7/0626Channel coefficients, e.g. channel state information [CSI]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613Diversity 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
    • H04B7/0615Diversity 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
    • H04B7/0619Diversity 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
    • H04B7/0621Feedback content
    • H04B7/0634Antenna weights or vector/matrix coefficients
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613Diversity 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
    • H04B7/0615Diversity 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
    • H04B7/0619Diversity 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
    • H04B7/0636Feedback format
    • H04B7/0639Using selective indices, e.g. of a codebook, e.g. pre-distortion matrix index [PMI] or for beam selection
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0686Hybrid systems, i.e. switching and simultaneous transmission
    • H04B7/0695Hybrid systems, i.e. switching and simultaneous transmission using beam selection
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/08Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0868Hybrid systems, i.e. switching and combining
    • H04B7/088Hybrid systems, i.e. switching and combining using beam selection
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/003Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048Allocation of pilot signals, i.e. of signals known to the receiver
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/04Wireless resource allocation
    • H04W72/044Wireless resource allocation based on the type of the allocated resource
    • H04W72/0446Resources in time domain, e.g. slots or frames

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)
  • Small-Scale Networks (AREA)
DK17715537.1T 2016-03-31 2017-03-29 Fremgangsmåder og indretninger til bestemmelse af forkoderparametre i et trådløst kommunikationsnetværk DK3272022T3 (da)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US201662315972P 2016-03-31 2016-03-31
US201662316857P 2016-04-01 2016-04-01
US201662316820P 2016-04-01 2016-04-01
PCT/IB2017/051803 WO2017168349A1 (en) 2016-03-31 2017-03-29 Methods and devices for determining precoder parameters in a wireless communication network

Publications (1)

Publication Number Publication Date
DK3272022T3 true DK3272022T3 (da) 2021-06-28

Family

ID=58461403

Family Applications (1)

Application Number Title Priority Date Filing Date
DK17715537.1T DK3272022T3 (da) 2016-03-31 2017-03-29 Fremgangsmåder og indretninger til bestemmelse af forkoderparametre i et trådløst kommunikationsnetværk

Country Status (20)

Country Link
US (10) US20180076859A1 (da)
EP (5) EP3243279B1 (da)
JP (3) JP6751770B2 (da)
KR (2) KR20180126060A (da)
CN (6) CN107438957B (da)
AU (2) AU2017243951B2 (da)
BR (3) BR112018070165A2 (da)
CA (1) CA3019372C (da)
DK (1) DK3272022T3 (da)
ES (1) ES2880442T3 (da)
IL (2) IL261686B (da)
MX (2) MX2018011657A (da)
MY (1) MY194876A (da)
NZ (1) NZ746231A (da)
PH (2) PH12018502024A1 (da)
PT (1) PT3272022T (da)
RU (4) RU2695125C1 (da)
SG (1) SG11201807679XA (da)
WO (3) WO2017168349A1 (da)
ZA (1) ZA201806058B (da)

Families Citing this family (64)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA3019372C (en) * 2016-03-31 2020-01-07 Telefonaktiebolaget Lm Ericsson (Publ) Methods and devices for determiniing precoder parameters in a wireless communication network
US10557773B2 (en) 2016-05-18 2020-02-11 Jand, Inc. Fixtureless lensmeter system
US10939389B2 (en) 2016-08-12 2021-03-02 Telefonaktiebolaget Lm Ericsson (Publ) Configurable codebook for advanced CSI feedback overhead reduction
MX2019001567A (es) 2016-08-12 2019-06-10 Ericsson Telefon Ab L M Mecanismos de notificacion ricos en informacion de estado de canal de capa 1 y capa 2.
KR102376307B1 (ko) * 2016-08-12 2022-04-01 텔레호낙티에볼라게트 엘엠 에릭슨(피유비엘) 더 최적화된 오버헤드를 갖는 멀티-빔 코드북들
US11025322B2 (en) 2016-08-12 2021-06-01 Telefonaktiebolaget Lm Ericsson (Publ) Progressive advanced CSI feedback
CN110100483A (zh) 2016-11-02 2019-08-06 Idac控股公司 用于无线系统中的功率有效波束管理的设备、系统和方法
US10256997B2 (en) 2016-12-16 2019-04-09 Cisco Technology, Inc. Computing transmit and receive filters for a network device
WO2018142205A1 (en) 2017-02-06 2018-08-09 Telefonaktiebolaget Lm Ericsson (Publ) Csi reporting on small control channels
JP7017312B2 (ja) * 2017-02-20 2022-02-08 株式会社Nttドコモ 無線基地局、及び、無線通信方法
CN108988917B (zh) 2017-04-26 2019-07-12 华为技术有限公司 一种指示及确定预编码向量的方法、设备及计算机存储介质
CN109428637B (zh) * 2017-08-28 2022-02-01 华为技术有限公司 一种csi-rs测量反馈方法及设备
CN110224731B (zh) * 2017-09-10 2020-11-24 华为技术有限公司 一种字段的通知方法、用户设备和计算机可读存储介质
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
CN111418162B (zh) * 2017-10-19 2022-11-15 诺基亚技术有限公司 利用参考权重向量的ue特定的波束映射
US11271623B2 (en) 2017-10-30 2022-03-08 Telefonaktiebolaget Lm Ericsson (Publ) Codebook design for virtualized active antenna system (AAS)
US10868602B2 (en) 2018-01-19 2020-12-15 Lenovo (Singapore) Pte. Ltd. Channel compression matrix parameters
CN111295926A (zh) * 2018-02-15 2020-06-16 惠普发展公司,有限责任合伙企业 基于带外数据跟踪的波束操控
EP3763063B1 (en) * 2018-03-08 2021-12-15 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for handling antenna signals for transmission between a base unit and a remote unit of a base station system
EP3776896A1 (en) * 2018-03-29 2021-02-17 Nokia Solutions and Networks Oy Beam selection accelerator for wireless node scheduler
WO2019214985A1 (en) 2018-05-09 2019-11-14 Sony Corporation Methods and devices for polarization optimization of mimo wireless transmission
US10848204B2 (en) * 2018-05-21 2020-11-24 Boise State University Reconfigurable antenna multiple access for millimeter wave systems
CN110581727A (zh) * 2018-06-08 2019-12-17 英国电讯有限公司 无线电信网络
CN116506039A (zh) * 2018-07-06 2023-07-28 日本电气株式会社 多trp码本
US11637732B2 (en) * 2018-07-18 2023-04-25 Samsung Electronics Co., Ltd. Method and apparatus for high-resolution CSI reporting in advanced wireless communication systems
US10936703B2 (en) * 2018-08-02 2021-03-02 International Business Machines Corporation Obfuscating programs using matrix tensor products
CN112534734B (zh) * 2018-08-02 2023-08-18 瑞典爱立信有限公司 用于无线通信的使用共相矩阵进行波束成形的适应性共相
EP3834292A1 (en) * 2018-08-10 2021-06-16 Sony Corporation Multiple beam reception in communication device
JP7334235B2 (ja) 2018-08-29 2023-08-28 フラウンホーファー-ゲゼルシャフト・ツール・フェルデルング・デル・アンゲヴァンテン・フォルシュング・アインゲトラーゲネル・フェライン 空間遅延プリコーディングを採用する受信機、送信機、システム、および方法
CN110875768B (zh) * 2018-08-30 2023-05-26 大唐移动通信设备有限公司 一种信道状态信息的反馈方法及装置、网络设备和终端
WO2020051146A1 (en) * 2018-09-04 2020-03-12 Commscope Technologies Llc Front-haul rate reduction for use in a centralized radio access network
WO2020062017A1 (en) * 2018-09-28 2020-04-02 Qualcomm Incorporated Channel state information (csi) with spatial and time domain compression
US10840986B2 (en) * 2018-09-28 2020-11-17 Mediatek Inc. Enhanced type II channel state information in mobile communications
US10469146B1 (en) 2018-09-28 2019-11-05 Qualcomm Incorporated Reducing hypothesis search for multi-panel precoder selection
WO2020092340A1 (en) * 2018-11-01 2020-05-07 Intel Corporation Frequency domain channel state information compression
WO2020091663A1 (en) 2018-11-02 2020-05-07 Telefonaktiebolaget Lm Ericsson (Publ) Hybrid common/independent fd-basis for type ii csi enhancement
WO2020087529A1 (en) * 2018-11-02 2020-05-07 Qualcomm Incorporated Channel state information (csi) with spatial and time domain compression
CN118449570A (zh) 2018-11-02 2024-08-06 瑞典爱立信有限公司 用于预编码矩阵指示和信道质量指示的独立子带大小
US20200162142A1 (en) * 2018-11-15 2020-05-21 Samsung Electronics Co., Ltd. Method and apparatus to enable csi reporting in wireless communication systems
CN112913154B (zh) * 2018-11-19 2022-04-05 华为技术有限公司 目标变换矩阵的指示方法、设备、系统及存储介质
US10879970B2 (en) 2018-11-21 2020-12-29 Samsung Electronics Co., Ltd Eigenvalue decomposition precoding matrix index selection
US10651905B1 (en) 2018-11-21 2020-05-12 Samsung Electronics Co., Ltd Eigenvalue decomposition precoding matrix index selection
JP2022511734A (ja) * 2018-11-21 2022-02-01 株式会社Nttドコモ 周波数領域の圧縮に関連付けられた組み合わせ係数を量子化するための方法
KR102165754B1 (ko) * 2018-12-19 2020-10-14 서강대학교산학협력단 복수의 안테나 소자들을 구비하는 빔포밍 시스템 및 방법
CN113728561B (zh) 2019-01-11 2023-10-13 联想(新加坡)私人有限公司 使用多级量化的类型ii码本压缩
WO2020150936A1 (en) * 2019-01-23 2020-07-30 Qualcomm Incorporated Precoder matrix quantization for compressed csi feedback
US10992360B2 (en) * 2019-01-28 2021-04-27 Apple Inc. Feedback overhead reduction for precoders under high rank spatial channels
US11546041B2 (en) * 2019-02-08 2023-01-03 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for beamspace processing based on multiple beamspace bases
CN113785545B (zh) * 2019-05-01 2024-11-01 瑞典爱立信有限公司 用于低峰均功率比(papr)预编码器的系数解决方案
FR3096528A1 (fr) * 2019-05-24 2020-11-27 Orange Procédé de détermination d’au moins un précodeur pour un dispositif émetteur d’un système de communication sans fil
WO2021072735A1 (en) 2019-10-18 2021-04-22 Telefonaktiebolaget Lm Ericsson (Publ) Network node, terminal device and methods therein for data transmission using beamforming
CN117375652A (zh) * 2019-11-07 2024-01-09 松下电器(美国)知识产权公司 集成电路
EP4059316B1 (en) * 2019-11-13 2024-03-06 Telefonaktiebolaget Lm Ericsson (Publ) Method for data packet transferring based on packet loss prediction
CN113438001B (zh) * 2020-03-23 2022-08-19 维沃移动通信有限公司 信道状态信息反馈方法、接收方法、终端及网络侧设备
WO2021214512A1 (en) * 2020-04-20 2021-10-28 Telefonaktiebolaget Lm Ericsson (Publ) Beam management for a radio transceiver device
CN116368747A (zh) * 2020-10-16 2023-06-30 索尼集团公司 用于在无线设备处进行波束抑制的方法、相关网络节点和相关无线设备
CN112866159B (zh) * 2021-01-06 2022-06-21 紫光展锐(重庆)科技有限公司 一种基带信号生成方法及相关装置
US12191952B2 (en) * 2021-01-25 2025-01-07 Samsung Electronics Co., Ltd. Method and apparatus for CSI reporting
US20220271852A1 (en) * 2021-02-22 2022-08-25 Samsung Electronics Co., Ltd. Multiple antenna channel tracking under practical impairment
US11909474B2 (en) * 2021-05-13 2024-02-20 Qualcomm Incorporated Rank adapation for MIMO transmissions and retransmissions
WO2023019416A1 (en) * 2021-08-17 2023-02-23 Qualcomm Incorporated Design of precoding codebook for los mimo
US12155429B2 (en) 2022-01-19 2024-11-26 Samsung Electronics Co., Ltd. Systems, methods, and apparatus for determining precoding information for beamforming
US12126466B2 (en) * 2022-03-09 2024-10-22 Qualcomm Incorporated Channel state feedback using demodulation reference signals
CN119013907A (zh) * 2022-03-15 2024-11-22 弗劳恩霍夫应用研究促进协会 用于5g nr系统的csi报告

Family Cites Families (47)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1161907C (zh) * 2001-07-20 2004-08-11 华为技术有限公司 无线通信系统下行反馈多天线发射方法与装置
US8391322B2 (en) * 2003-07-09 2013-03-05 Broadcom Corporation Method and system for single weight (SW) antenna system for spatial multiplexing (SM) MIMO system for WCDMA/HSDPA
US7917176B2 (en) * 2006-02-14 2011-03-29 Nec Laboratories America, Inc. Structured codebook and successive beamforming for multiple-antenna systems
US7620112B2 (en) 2005-11-30 2009-11-17 Nokia Corporation Adaptive basis functions in a multicarrier communication system
JP4845640B2 (ja) 2006-08-23 2011-12-28 富士通株式会社 無線通信システムおよび無線通信方法
KR20080022033A (ko) 2006-09-05 2008-03-10 엘지전자 주식회사 프리코딩 정보 피드백 방법 및 프리코딩 방법
KR20080022031A (ko) * 2006-09-05 2008-03-10 엘지전자 주식회사 다중 입출력 시스템을 위한 프리코딩 벡터 정보 송수신방법 및 프리코딩 벡터 선택 방법
US7702029B2 (en) * 2006-10-02 2010-04-20 Freescale Semiconductor, Inc. MIMO precoding enabling spatial multiplexing, power allocation and adaptive modulation and coding
JP2009152688A (ja) 2007-12-18 2009-07-09 Toshiba Corp 端末装置、基地局、無線通信方法および通信プログラム
US8493916B2 (en) 2008-07-29 2013-07-23 Panasonic Corporation MIMO transmission device and MIMO transmission method
WO2010018969A2 (en) 2008-08-11 2010-02-18 Lg Electronics Inc. Method and apparatus for transmitting uplink signals using multi-antenna
US20120033566A1 (en) 2008-08-28 2012-02-09 Wi-Lan, Inc. Hybrid feedback for closed loop multiple-input multiple- output
CN101908921B (zh) * 2009-06-02 2014-04-30 华为技术有限公司 一种空分多址接入的优化方法、装置及系统
JP5892607B2 (ja) * 2010-03-12 2016-03-23 国立大学法人 千葉大学 光電変換装置及びその特性検査方法
CN102939775B (zh) * 2010-05-07 2015-07-08 华为技术有限公司 无线通信系统中执行量化的反馈率调整的方法及用户终端
WO2011146606A1 (en) 2010-05-19 2011-11-24 Interdigital Patent Holdings, Inc. Method and apparatus for compressing channel state information based on path location information
WO2011150549A1 (en) * 2010-06-01 2011-12-08 Nokia Corporation Apparatus and method for selection of beam groups and subset of beams in communication system
CN105916210B (zh) 2010-07-13 2019-07-19 联发科技(新加坡)私人有限公司 无线资源分配方法、无线通信方法以及无线通信网络
JP5497577B2 (ja) * 2010-08-16 2014-05-21 株式会社Nttドコモ 通信制御方法、基地局装置及び移動局装置
US8891656B2 (en) * 2011-10-27 2014-11-18 Ntt Docomo, Inc. Low-complexity, rank extendable, codebook design and method for supporting precoding matrix feedback for multi-user and single-user MIMO systems
US9077402B2 (en) 2011-11-07 2015-07-07 Lg Electronics Inc. Method for feeding back codebook-based precoding matrix information in wireless communication system and device therefor
KR101921669B1 (ko) 2011-12-27 2018-11-27 삼성전자주식회사 FDD 모드로 동작하는 Massive MIMO를 사용하는 무선통신 시스템에서 제한된 정보량을 이용하여 채널 상태 정보를 피드백 하기 위한 장치 및 방법
US9137698B2 (en) 2012-02-24 2015-09-15 Samsung Electronics Co., Ltd. Beam management for wireless communication
WO2013133645A1 (ko) * 2012-03-07 2013-09-12 엘지전자 주식회사 무선 접속 시스템에서 계층적 빔 포밍 방법 및 이를 위한 장치
CN104094630B (zh) 2012-03-22 2018-04-27 阿尔卡特朗讯 用于协同多点传输的信道状态信息反馈
EP3883172A1 (en) 2012-06-04 2021-09-22 Interdigital Patent Holdings, Inc. Communicating channel state information (csi) of multiple transmission points
US9473227B2 (en) * 2012-08-26 2016-10-18 Lg Electronics Inc. Method and apparatus for transmitting codebook-based signal in wireless communication system
US8971437B2 (en) * 2012-12-20 2015-03-03 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
CN104009785B (zh) * 2013-02-25 2017-11-28 华为技术有限公司 码本反馈方法、用户设备和基站
JP5850872B2 (ja) 2013-03-07 2016-02-03 株式会社Nttドコモ ユーザ装置及び基地局
US20140301492A1 (en) 2013-03-08 2014-10-09 Samsung Electronics Co., Ltd. Precoding matrix codebook design for advanced wireless communications systems
US9461723B2 (en) * 2013-03-29 2016-10-04 Intel IP Corporation Orthologonal beamforming for multiple user multiple-input and multiple-output (MU-MIMO)
CN107872261B (zh) 2013-04-15 2023-04-11 华为技术有限公司 一种报告信道状态信息的方法、用户设备和基站
RU2615175C1 (ru) * 2013-04-29 2017-04-04 ЭлДжи ЭЛЕКТРОНИКС ИНК. Способ и устройство для передачи информации состояния канала в системе беспроводной связи
WO2014198037A1 (en) * 2013-06-13 2014-12-18 Qualcomm Incorporated Two-dimensional discrete fourier transform (2d-dft) based codebook for elevation beamforming
CN108494450B (zh) * 2013-08-08 2020-06-16 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
CN104202073A (zh) * 2014-03-04 2014-12-10 中兴通讯股份有限公司 信道信息的反馈方法、导频及波束发送方法、系统及装置
JP6449904B2 (ja) * 2014-03-24 2019-01-09 華為技術有限公司Huawei Technologies Co.,Ltd. プリコーディングマトリクスインジケータフィードバック方法、受信方法、および装置
US9912393B2 (en) 2014-03-26 2018-03-06 Nokia Solutions And Networks Oy Radio frequency beamforming basis function feedback
US10171212B2 (en) * 2014-07-04 2019-01-01 Lg Electronics Inc. Method and device for performing channel estimation
US9906280B2 (en) * 2014-07-14 2018-02-27 Intel Corporation Principal eigen beam quantization for MIMO systems
US20160072562A1 (en) * 2014-09-10 2016-03-10 Samsung Electronics Co., Ltd. Channel state information reporting with basis expansion for advanced wireless communications systems
US9397736B2 (en) * 2014-11-21 2016-07-19 Intel IP Corporation Quantized eigen beams for controlling antenna array elements in a wireless network
US9893843B2 (en) 2014-12-30 2018-02-13 Mediatek Inc. Rate matching and soft channel bits storage for superposition coding
US9806781B2 (en) 2015-04-29 2017-10-31 Samsung Electronics Co., Ltd. Codebook design and structure for advanced wireless communication systems
CA3019372C (en) * 2016-03-31 2020-01-07 Telefonaktiebolaget Lm Ericsson (Publ) Methods and devices for determiniing precoder parameters in a wireless communication network

Also Published As

Publication number Publication date
JP6751770B2 (ja) 2020-09-09
US11251843B2 (en) 2022-02-15
US10615856B2 (en) 2020-04-07
EP3272022B1 (en) 2021-05-05
CN109004964B (zh) 2021-06-04
CN107438957A (zh) 2017-12-05
US20220216902A1 (en) 2022-07-07
SG11201807679XA (en) 2018-10-30
US10505600B2 (en) 2019-12-10
KR20180126061A (ko) 2018-11-26
US11671154B2 (en) 2023-06-06
US20170288751A1 (en) 2017-10-05
JP2019518352A (ja) 2019-06-27
WO2017168351A1 (en) 2017-10-05
US20180076859A1 (en) 2018-03-15
EP3736998A1 (en) 2020-11-11
IL261686A (en) 2018-11-04
EP3272022A1 (en) 2018-01-24
US20180269941A1 (en) 2018-09-20
WO2017168349A1 (en) 2017-10-05
CN109004964A (zh) 2018-12-14
EP3243279A1 (en) 2017-11-15
CN107454996B (zh) 2021-05-28
US20230308146A1 (en) 2023-09-28
US20200228172A1 (en) 2020-07-16
CN107438957B (zh) 2021-05-28
BR112018069906A2 (pt) 2019-02-05
WO2017168350A1 (en) 2017-10-05
ZA201806058B (en) 2019-12-18
NZ746231A (en) 2020-03-27
EP3248301B1 (en) 2019-10-23
US10454544B2 (en) 2019-10-22
US20180191411A1 (en) 2018-07-05
US10205495B2 (en) 2019-02-12
CA3019372C (en) 2020-01-07
RU2695640C1 (ru) 2019-07-25
CN110086516A (zh) 2019-08-02
EP3243279B1 (en) 2020-06-24
US20180294856A1 (en) 2018-10-11
RU2695125C1 (ru) 2019-07-22
AU2017243951B2 (en) 2020-05-14
EP3248301A1 (en) 2017-11-29
EP3890200A1 (en) 2021-10-06
MY194876A (en) 2022-12-21
MX2018011657A (es) 2019-01-10
US10333596B2 (en) 2019-06-25
KR20180126060A (ko) 2018-11-26
ES2880442T3 (es) 2021-11-24
AU2017243951A1 (en) 2018-10-04
CN109245801A (zh) 2019-01-18
US20190280747A1 (en) 2019-09-12
CN107431511A (zh) 2017-12-01
IL261686B (en) 2019-05-30
PH12018502099A1 (en) 2019-07-15
RU2695126C1 (ru) 2019-07-22
MX2018011780A (es) 2019-01-21
RU2019121597A (ru) 2019-09-03
PT3272022T (pt) 2021-06-03
IL261937A (en) 2018-10-31
KR102198018B1 (ko) 2021-01-08
CN107454996A (zh) 2017-12-08
BR112018069744A2 (pt) 2019-02-05
RU2019121597A3 (da) 2020-01-24
PH12018502024A1 (en) 2019-03-04
AU2017243952A1 (en) 2018-10-25
CA3019372A1 (en) 2017-10-05
JP2019518353A (ja) 2019-06-27
BR112018070165A2 (pt) 2019-01-29
US20190132032A1 (en) 2019-05-02
US10630355B2 (en) 2020-04-21
JP2019518349A (ja) 2019-06-27

Similar Documents

Publication Publication Date Title
DK3272022T3 (da) Fremgangsmåder og indretninger til bestemmelse af forkoderparametre i et trådløst kommunikationsnetværk
IL262811B (en) Network architecture, methods, and devices for a wireless communications network
DK3681197T3 (da) Netværksarkitektur, fremgangsmåder og indretninger til et trådløst kommunikationsnetværk
DK3644682T3 (da) Kommunikationsindretning og fremgangsmåde deri til bestemmelse af en konfliktvinduesstørrelse i et kommunikationsnetværk
HK1257244A1 (zh) 用於無線通信的方法和裝置
DK3453212T3 (da) Fremgangsmåde og indretning til identificering og anvendelse af radioressourcer i et trådløst kommunikationsnetværk
DK3187002T3 (da) Fremgangsmåder og anordninger til overvågning og forbedring af et trådløst netværks tilstand
EP3627936A4 (en) WIRELESS COMMUNICATION METHOD AND DEVICE
DK3720227T3 (da) Fremgangsmåder og indretning til anvendelse af korte transmissionstidsintervaller i et trådløst kommunikationsnetværk
EP3589014A4 (en) WIRELESS COMMUNICATION METHOD AND APPARATUS
DK3329601T3 (da) Metode og apparat til kommunikering af data i et kaos samarbejdsnetværk
DK3541118T3 (da) Muliggørelse af flere numerologier i et trådløst netværk
DK3360359T3 (da) Knuder til anvendelse i et kommunikationsnetværk og fremgangsmåder til drift deraf
DK3790322T3 (da) Fremgangsmåde og indretning til synkronisering af en trådløs indretning i et strålebaseret kommunikationssystem
EP3644649A4 (en) WIRELESS COMMUNICATION DEVICE AND METHOD
EP3651493A4 (en) Wireless communication device and method
EP3627921A4 (en) WIRELESS COMMUNICATION PROCESS AND DEVICE
DK3510814T3 (da) Netværksknude og fremgangsmåde til konfigurering af PDCP for en trådløs indretning
PL3198903T3 (pl) Sposób i urządzenie do udostępnienia profilu abonenckiego na terminalu ruchomym
EP3641412A4 (en) WIRELESS COMMUNICATION PROCESS AND DEVICE
EP3720036A4 (en) WIRELESS COMMUNICATION METHOD AND APPARATUS
EP3664525A4 (en) WIRELESS COMMUNICATION PROCESS AND DEVICE
DK3499960T3 (da) Kernenetværk og basisstation
EP3661298A4 (en) WIRELESS COMMUNICATION PROCESS AND APPARATUS
DK3002982T3 (da) Fremgangsmåde og system til sporing af kommunikationsenheder i et radiokommunikationsnetværk i en facilitet