BR112018070165A2 - métodos, dispositivo sem fio e nó de rede para indicar parâmetros de pré-codificador em uma rede de comunicação sem fio - Google Patents

métodos, dispositivo sem fio e nó de rede para indicar parâmetros de pré-codificador em uma rede de comunicação sem fio

Info

Publication number
BR112018070165A2
BR112018070165A2 BR112018070165A BR112018070165A BR112018070165A2 BR 112018070165 A2 BR112018070165 A2 BR 112018070165A2 BR 112018070165 A BR112018070165 A BR 112018070165A BR 112018070165 A BR112018070165 A BR 112018070165A BR 112018070165 A2 BR112018070165 A2 BR 112018070165A2
Authority
BR
Brazil
Prior art keywords
wireless device
network node
methods
wireless communication
communication network
Prior art date
Application number
BR112018070165A
Other languages
English (en)
Inventor
Faxér Sebastian
Bergman Svante
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
Publication of BR112018070165A2 publication Critical patent/BR112018070165A2/pt

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
    • H04B7/0408—Diversity 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
    • 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
    • H04B7/0413—MIMO systems
    • H04B7/0456—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
    • H04B7/046—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting taking physical layer constraints into account
    • H04B7/0465—Selection 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
    • 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
    • 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
    • H04B7/0613—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
    • H04B7/0634—Antenna weights or vector/matrix coefficients
    • 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
    • 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
    • H04B7/0695—Hybrid systems, i.e. switching and simultaneous transmission using beam 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
    • H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0868—Hybrid systems, i.e. switching and combining
    • H04B7/088—Hybrid systems, i.e. switching and combining using beam selection
    • 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
    • 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
    • H04B7/046—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting taking physical layer constraints into account
    • H04B7/0469—Selection 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0446—Resources 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)

Abstract

é fornecido um método para indicar parâmetros de um pré-codificador a partir de um dispositivo sem fio para um nó de rede em um sistema de comunicação sem fio. o método compreende: determinar pelo menos um fator de rotação associado a uma pluralidade de feixes ortogonais; selecionar um subconjunto de feixes a partir da pluralidade de feixes ortogonais; e enviar, para o nó de rede, o subconjunto selecionado de feixes e o pelo menos um fator de rotação, em que o subconjunto selecionado de feixes e o pelo menos um fator de rotação são parte dos parâmetros do pré-codificador. um dispositivo sem fio para realizar esse método também é fornecido.
BR112018070165A 2016-03-31 2017-03-29 métodos, dispositivo sem fio e nó de rede para indicar parâmetros de pré-codificador em uma rede de comunicação sem fio BR112018070165A2 (pt)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US201662315972P 2016-03-31 2016-03-31
US201662316820P 2016-04-01 2016-04-01
US201662316857P 2016-04-01 2016-04-01
PCT/IB2017/051804 WO2017168350A1 (en) 2016-03-31 2017-03-29 Methods and devices for indicating precoder parameters in a wireless communication network

Publications (1)

Publication Number Publication Date
BR112018070165A2 true BR112018070165A2 (pt) 2019-01-29

Family

ID=58461403

Family Applications (3)

Application Number Title Priority Date Filing Date
BR112018069906A BR112018069906A2 (pt) 2016-03-31 2017-03-29 métodos e dispositivos para a determinação dos parâmetros do pré-codificador em uma rede de comunicação sem fio
BR112018069744A BR112018069744A2 (pt) 2016-03-31 2017-03-29 métodos e dispositivos para quantizar fases de feixe para um pré-codificador
BR112018070165A BR112018070165A2 (pt) 2016-03-31 2017-03-29 métodos, dispositivo sem fio e nó de rede para indicar parâmetros de pré-codificador em uma rede de comunicação sem fio

Family Applications Before (2)

Application Number Title Priority Date Filing Date
BR112018069906A BR112018069906A2 (pt) 2016-03-31 2017-03-29 métodos e dispositivos para a determinação dos parâmetros do pré-codificador em uma rede de comunicação sem fio
BR112018069744A BR112018069744A2 (pt) 2016-03-31 2017-03-29 métodos e dispositivos para quantizar fases de feixe para um pré-codificador

Country Status (20)

Country Link
US (10) US20180076859A1 (pt)
EP (5) EP3243279B1 (pt)
JP (3) JP6751770B2 (pt)
KR (2) KR102198018B1 (pt)
CN (6) CN107431511A (pt)
AU (2) AU2017243951B2 (pt)
BR (3) BR112018069906A2 (pt)
CA (1) CA3019372C (pt)
DK (1) DK3272022T3 (pt)
ES (1) ES2880442T3 (pt)
IL (2) IL261686B (pt)
MX (2) MX2018011780A (pt)
MY (1) MY194876A (pt)
NZ (1) NZ746231A (pt)
PH (2) PH12018502024A1 (pt)
PT (1) PT3272022T (pt)
RU (4) RU2695640C1 (pt)
SG (1) SG11201807679XA (pt)
WO (3) WO2017168349A1 (pt)
ZA (1) ZA201806058B (pt)

Families Citing this family (61)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2017243951B2 (en) * 2016-03-31 2020-05-14 Telefonaktiebolaget Lm Ericsson (Publ) Methods and devices for determining precoder parameters in a wireless communication network
US10557773B2 (en) 2016-05-18 2020-02-11 Jand, Inc. Fixtureless lensmeter system
WO2018029646A1 (en) * 2016-08-12 2018-02-15 Telefonaktiebolaget Lm Ericsson (Publ) Layer 1 and layer 2 channel state information rich reporting mechanisms
WO2018029644A2 (en) 2016-08-12 2018-02-15 Telefonaktiebolaget Lm Ericsson (Publ) Progressive advanced csi feedback
JP6920416B2 (ja) 2016-08-12 2021-08-18 テレフオンアクチーボラゲット エルエム エリクソン（パブル） 更に最適化されたオーバーヘッドを有するマルチビームコードブック
JP7003111B2 (ja) 2016-08-12 2022-01-20 テレフオンアクチーボラゲット エルエム エリクソン（パブル） 高度ｃｓｉフィードバックオーバヘッド低減のための構成可能コードブック
CN114945195A (zh) 2016-11-02 2022-08-26 Idac控股公司 用于无线***中的功率有效波束管理的设备和方法
US10256997B2 (en) * 2016-12-16 2019-04-09 Cisco Technology, Inc. Computing transmit and receive filters for a network device
RU2718401C1 (ru) 2017-02-06 2020-04-02 Телефонактиеболагет Лм Эрикссон (Пабл) Предоставление отчетов с csi при многолучевой передаче
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
CN108418612B (zh) 2017-04-26 2019-03-26 华为技术有限公司 一种指示及确定预编码向量的方法和设备
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
CN110247687B (zh) 2017-09-10 2020-10-16 华为技术有限公司 一种码本子集限制的方法、基站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
EP3698479A1 (en) 2017-10-19 2020-08-26 Nokia Technologies Oy Ue-specific beam mapping with reference weight vectors
EP3704801B1 (en) * 2017-10-30 2021-05-19 Telefonaktiebolaget LM Ericsson (publ) Codebook design for virtualized active antenna system (aas)
CN118316499A (zh) * 2018-01-19 2024-07-09 联想（新加坡）私人有限公司 信道压缩矩阵参数
US20210234590A1 (en) * 2018-02-15 2021-07-29 Hewlett-Packard Development Company, L.P. Beam steering based on out-of-band data tracking
WO2019172811A1 (en) * 2018-03-08 2019-09-12 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
US11626917B2 (en) * 2018-03-29 2023-04-11 Nokia Solutions And Networks Oy Beam selection accelerator for wireless node scheduler
CN112088497B (zh) 2018-05-09 2023-07-07 索尼集团公司 对mimo无线传输进行极化优化的方法和装置
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
US11349534B2 (en) * 2018-07-06 2022-05-31 Nec Corporation Multi-TRP codebook
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
EP3830971A1 (en) * 2018-08-02 2021-06-09 Telefonaktiebolaget LM Ericsson (publ) Adaptive co-phasing for beamforming using co-phasing matrices for wireless communications
EP3834292A1 (en) * 2018-08-10 2021-06-16 Sony Corporation Multiple beam reception in communication device
EP3815256B1 (en) 2018-08-29 2022-05-04 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Receiver, transmitter, system and method employing space-delay precoding
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
CN112640379A (zh) * 2018-09-04 2021-04-09 康普技术有限责任公司 用于集中式无线电接入网络中的前传速率降低
US10840986B2 (en) * 2018-09-28 2020-11-17 Mediatek Inc. Enhanced type II channel state information in mobile communications
WO2020062017A1 (en) * 2018-09-28 2020-04-02 Qualcomm Incorporated Channel state information (csi) with spatial and time domain compression
US10469146B1 (en) 2018-09-28 2019-11-05 Qualcomm Incorporated Reducing hypothesis search for multi-panel precoder selection
US11206070B2 (en) * 2018-11-02 2021-12-21 Telefonaktiebolaget Lm Ericsson (Publ) Smaller sub-band size for PMI than for CQI
CN113169770B (zh) * 2018-11-02 2024-03-05 瑞典爱立信有限公司 用于ii型csi增强的混合公共/独立fd基
WO2020087529A1 (en) * 2018-11-02 2020-05-07 Qualcomm Incorporated Channel state information (csi) with spatial and time domain compression
US20200162142A1 (en) * 2018-11-15 2020-05-21 Samsung Electronics Co., Ltd. Method and apparatus to enable csi reporting in wireless communication systems
WO2020102947A1 (zh) * 2018-11-19 2020-05-28 华为技术有限公司 接收信息的方法、设备及***
WO2020106981A1 (en) * 2018-11-21 2020-05-28 Ntt Docomo, Inc. Method for quantization of combination coefficients associated with frequency domain compression
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
KR102165754B1 (ko) * 2018-12-19 2020-10-14 서강대학교산학협력단 복수의 안테나 소자들을 구비하는 빔포밍 시스템 및 방법
WO2020144541A1 (en) 2019-01-11 2020-07-16 Lenovo (Singapore) Pte. Ltd. Generating a channel state information ("csi") report
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
WO2020161526A1 (en) * 2019-02-08 2020-08-13 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for beamspace processing based on multiple beamspace bases
EP3963848A1 (en) * 2019-05-01 2022-03-09 Telefonaktiebolaget LM Ericsson (publ) Coefficient solution for low peak-to-average power ratio (papr) precoders
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
CN114586318B (zh) * 2019-10-18 2024-05-07 瑞典爱立信有限公司 使用波束成形进行数据传输的网络节点、终端设备及其中的方法
US20220407546A1 (en) * 2019-11-07 2022-12-22 Panasonic Intellectual Property Corporation Of America Terminal and communication method
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
US11990973B2 (en) * 2020-04-20 2024-05-21 Telefonaktiebolaget Lm Ericsson (Publ) Beam management for a radio transceiver device
WO2022078700A1 (en) * 2020-10-16 2022-04-21 Sony Group Corporation Methods for beam suppression at a wireless device, related network nodes and related wireless devices
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
US20220239356A1 (en) * 2021-01-25 2022-07-28 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
CN117813773A (zh) * 2021-08-17 2024-04-02 高通股份有限公司 用于los mimo的预编码码本的设计
US20230291612A1 (en) * 2022-03-09 2023-09-14 Qualcomm Incorporated Channel state feedback using demodulation reference signals
WO2023175025A2 (en) * 2022-03-15 2023-09-21 Fraunhofer Gesellschaft zur Förderung der angewandten Forschung e.V. Csi reporting for 5g nr systems

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***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
KR101570564B1 (ko) 2008-07-29 2015-11-19 파나소닉 인텔렉츄얼 프로퍼티 코포레이션 오브 아메리카 수신 장치 및 수신 방법
US9001802B2 (en) 2008-08-11 2015-04-07 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***
WO2011111853A1 (ja) * 2010-03-12 2011-09-15 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
EP2757818A3 (en) * 2010-05-07 2014-09-24 Huawei Technologies Co., Ltd. Method and system for quantized feedback rate adaptation in a communication system
US20130201912A1 (en) * 2010-05-19 2013-08-08 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
WO2013069957A1 (ko) * 2011-11-07 2013-05-16 엘지전자 주식회사 무선통신 시스템에서 코드북 기반 프리코딩 행렬 정보를 피드백하는 방법 및 이를 위한 장치
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
WO2013184613A2 (en) 2012-06-04 2013-12-12 Interdigital Patent Holdings, Inc. Communicating channel state information (csi) of multiple transmission points
WO2014035102A1 (ko) * 2012-08-26 2014-03-06 엘지전자 주식회사 무선 통신 시스템에서 코드북 기반 신호 전송 방법 및 장치
US8976884B2 (en) * 2012-12-20 2015-03-10 Google Technology Holdings LLC Method and apparatus for antenna array channel feedback
US8971437B2 (en) * 2012-12-20 2015-03-03 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
WO2014158208A1 (en) * 2013-03-29 2014-10-02 Intel Corporation Orthogonal beamforming for multiple user multiple-input and multiple-output (mu-mimo)
WO2014169421A1 (zh) 2013-04-15 2014-10-23 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
SG11201506671VA (en) 2013-04-29 2015-11-27 Lg Electronics Inc Method and apparatus for transmitting channel state information in wireless communication system
WO2014198037A1 (en) * 2013-06-13 2014-12-18 Qualcomm Incorporated Two-dimensional discrete fourier transform (2d-dft) based codebook for elevation beamforming
EP3657690B1 (en) * 2013-08-08 2021-01-20 Huawei Technologies Co., Ltd. Method for determining precoding matrix indicator, receiving device, and sending device
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、***及装置
CN109861730A (zh) * 2014-03-24 2019-06-07 华为技术有限公司 预编码矩阵指示的反馈方法、接收方法及装置
CN106105065B (zh) * 2014-03-26 2019-09-06 诺基亚技术有限公司 无线电频率波束成形基函数反馈
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
US9973305B2 (en) 2014-12-30 2018-05-15 Mediatek Inc. Soft buffer partition for superposition coding
US9806781B2 (en) 2015-04-29 2017-10-31 Samsung Electronics Co., Ltd. Codebook design and structure for advanced wireless communication systems
AU2017243951B2 (en) * 2016-03-31 2020-05-14 Telefonaktiebolaget Lm Ericsson (Publ) Methods and devices for determining precoder parameters in a wireless communication network

Also Published As

Publication number Publication date
US20180076859A1 (en) 2018-03-15
AU2017243951B2 (en) 2020-05-14
RU2695125C1 (ru) 2019-07-22
US20200228172A1 (en) 2020-07-16
US10333596B2 (en) 2019-06-25
US20190280747A1 (en) 2019-09-12
CN109245801A (zh) 2019-01-18
CA3019372C (en) 2020-01-07
AU2017243952A1 (en) 2018-10-25
MX2018011657A (es) 2019-01-10
EP3243279A1 (en) 2017-11-15
US20170288751A1 (en) 2017-10-05
US20190132032A1 (en) 2019-05-02
CN109004964A (zh) 2018-12-14
EP3736998A1 (en) 2020-11-11
CN107438957B (zh) 2021-05-28
MY194876A (en) 2022-12-21
AU2017243951A1 (en) 2018-10-04
US10630355B2 (en) 2020-04-21
NZ746231A (en) 2020-03-27
CN107431511A (zh) 2017-12-01
US10205495B2 (en) 2019-02-12
CN110086516A (zh) 2019-08-02
JP2019518353A (ja) 2019-06-27
WO2017168350A1 (en) 2017-10-05
ZA201806058B (en) 2019-12-18
CN107454996A (zh) 2017-12-08
RU2695640C1 (ru) 2019-07-25
RU2019121597A (ru) 2019-09-03
EP3248301B1 (en) 2019-10-23
DK3272022T3 (da) 2021-06-28
US20220216902A1 (en) 2022-07-07
KR20180126060A (ko) 2018-11-26
EP3272022B1 (en) 2021-05-05
JP6751770B2 (ja) 2020-09-09
US20180269941A1 (en) 2018-09-20
EP3890200A1 (en) 2021-10-06
IL261686B (en) 2019-05-30
JP2019518352A (ja) 2019-06-27
ES2880442T3 (es) 2021-11-24
CN107438957A (zh) 2017-12-05
IL261686A (en) 2018-11-04
KR102198018B1 (ko) 2021-01-08
CN109004964B (zh) 2021-06-04
CN107454996B (zh) 2021-05-28
US11251843B2 (en) 2022-02-15
PT3272022T (pt) 2021-06-03
JP2019518349A (ja) 2019-06-27
US10615856B2 (en) 2020-04-07
BR112018069744A2 (pt) 2019-02-05
SG11201807679XA (en) 2018-10-30
WO2017168349A1 (en) 2017-10-05
US10505600B2 (en) 2019-12-10
PH12018502099A1 (en) 2019-07-15
US11671154B2 (en) 2023-06-06
CA3019372A1 (en) 2017-10-05
RU2695126C1 (ru) 2019-07-22
EP3243279B1 (en) 2020-06-24
IL261937A (en) 2018-10-31
PH12018502024A1 (en) 2019-03-04
US20180294856A1 (en) 2018-10-11
RU2019121597A3 (pt) 2020-01-24
WO2017168351A1 (en) 2017-10-05
MX2018011780A (es) 2019-01-21
US10454544B2 (en) 2019-10-22
US20180191411A1 (en) 2018-07-05
BR112018069906A2 (pt) 2019-02-05
US20230308146A1 (en) 2023-09-28
EP3272022A1 (en) 2018-01-24
KR20180126061A (ko) 2018-11-26
EP3248301A1 (en) 2017-11-29

Similar Documents

Publication Publication Date Title
BR112018070165A2 (pt) métodos, dispositivo sem fio e nó de rede para indicar parâmetros de pré-codificador em uma rede de comunicação sem fio
BR112018073682A2 (pt) método para seleção de uma tecnologia de acesso por rádio, aparelho sem fio multimodos, nó de rede, e, produto de programa de computador.
MX2018001498A (es) Control de una nube de dispositivos.
BR112018005876A2 (pt) serviço de telemetria e/ou localização com base em privilégio de dispositivo móvel
BR112018073496A2 (pt) sistemas e métodos para localizar um dispositivo sem fio
EP3314811A4 (en) PROCESSORS FOR ENCRYPTED HASH MESSAGE AUTHENTICATION CODES, METHODS, SYSTEMS AND INSTRUCTIONS
BR112018008888A8 (pt) métodos e aparelho para uplink de múltiplos usuários
BR112016027982A2 (pt) Sistemas e métodos para associação seletiva
BR112017005953B8 (pt) Método executado por uma estação base para permitir um equipamento de usuário a determinar um livro-código de pré-codificador e estação base relacionada, método executado por um equipamento de usuário para determinar um livro-código de pré-codificador e equipamento de usuário relacionado
BR112017011763A2 (pt) dispositivos de controle e de comunicação por rádio, e, método de controle de comunicação.
BR112017018347A2 (pt) distribuição e utilização de informações de antena para operações de determinação de localização
BR112015013531A2 (pt) sistema e método para comunicação aperfeiçoada em rede sem fio
BR112017020410A2 (pt) configuração automática de uma rede de acesso residencial sem fio
BR112018000816A2 (pt) método para regulação dos parâmetros de comunicação, e equipamento para regulação dos parâmetros de comunicação
BR112013002305A2 (pt) método, sistema e dispositivo para agregação de rede de rádio
BR112017024554A2 (pt) gerenciamento de conexão sem fio
WO2015036867A3 (en) Method and system for instruction scheduling
BR112017024449A2 (pt) definição de banda estreita para comunicação fortalecida do tipo máquina
BR112017009726A2 (pt) métodos e aparelho para verificar informação de sistema
BR112017024064A2 (pt) sistema de dispositivo intragástrico
BR112016009815A2 (pt) Método e equipamento para determinar o uso da porta x2 para interface x2
BR112018006059A2 (pt) contribuição colaborativa de eficiência melhorada de dados relacionados a rede sem fio
BR112016026501A2 (pt) Método e sistema para utilização de camada superior armazenada
BR112018071114A2 (pt) aquisição de sistema melhorada para artigos utilizáveis
BR112018001573A2 (pt) protocolo para posicionamento de dispositivo a dispositivo

Legal Events

Date Code Title Description
B11A Dismissal acc. art.33 of ipl - examination not requested within 36 months of filing
B11Y Definitive dismissal - extension of time limit for request of examination expired [chapter 11.1.1 patent gazette]
B350 Update of information on the portal [chapter 15.35 patent gazette]