BR112022017381A2 - Geração de livro de códigos de seleção de porta tipo ii - Google Patents

Geração de livro de códigos de seleção de porta tipo ii

Info

Publication number
BR112022017381A2
BR112022017381A2 BR112022017381A BR112022017381A BR112022017381A2 BR 112022017381 A2 BR112022017381 A2 BR 112022017381A2 BR 112022017381 A BR112022017381 A BR 112022017381A BR 112022017381 A BR112022017381 A BR 112022017381A BR 112022017381 A2 BR112022017381 A2 BR 112022017381A2
Authority
BR
Brazil
Prior art keywords
type
processor
generation
code book
reference signals
Prior art date
Application number
BR112022017381A
Other languages
English (en)
Inventor
Hindy Ahmed
Mittal Udar
Brown Tyler
Original Assignee
Lenovo Singapore Pte Ltd
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 Lenovo Singapore Pte Ltd filed Critical Lenovo Singapore Pte Ltd
Publication of BR112022017381A2 publication Critical patent/BR112022017381A2/pt

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
    • H04B7/0413MIMO 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
    • H04B7/06Diversity 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
    • H04B7/0413MIMO 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
    • H04B7/0632Channel quality parameters, e.g. channel quality indicator [CQI]
    • 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
    • H04B7/0658Feedback reduction
    • H04B7/0663Feedback reduction using vector or matrix manipulations
    • 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
    • H04L5/0051Allocation of pilot signals, i.e. of signals known to the receiver of dedicated pilots, i.e. pilots destined for a single user or terminal

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)

Abstract

GERAÇÃO DE LIVRO DE CÓDIGOS DE SELEÇÃO DE PORTA TIPO II. Aparelhos, métodos e sistemas são divulgados para geração do livro de códigos de seleção de porta Tipo II. Um aparelho (600) inclui um processador (605) e um transceptor (625) que recebe (805) um conjunto de sinais de referência. O processador (605) identifica (810) um conjunto de portas com base no conjunto de sinais de referência. O processador (605) seleciona (815) um subconjunto de portas do conjunto identificado de portas e gera (820), com base no conjunto de sinais de referência, um indicador de coeficiente de amplitude e pelo menos um indicador de coeficiente de fase para cada porta selecionada. O processador (605) gera (825) um relatório CSI, onde o relatório CSI consiste em um livro de códigos de seleção de porta Tipo II correspondente aos coeficientes gerados e às portas selecionadas.
BR112022017381A 2020-03-06 2021-03-06 Geração de livro de códigos de seleção de porta tipo ii BR112022017381A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US202062986601P 2020-03-06 2020-03-06
PCT/IB2021/051885 WO2021176427A1 (en) 2020-03-06 2021-03-06 Type-ii port-selection codebook generation

Publications (1)

Publication Number Publication Date
BR112022017381A2 true BR112022017381A2 (pt) 2022-10-18

Family

ID=74870861

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112022017381A BR112022017381A2 (pt) 2020-03-06 2021-03-06 Geração de livro de códigos de seleção de porta tipo ii

Country Status (5)

Country Link
US (2) US12334999B2 (pt)
EP (1) EP4115535A1 (pt)
CN (1) CN115244868B (pt)
BR (1) BR112022017381A2 (pt)
WO (1) WO2021176427A1 (pt)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113746509B (zh) * 2020-05-28 2022-11-01 维沃移动通信有限公司 信道信息的处理方法、装置、终端、网络侧设备以及介质
WO2022079691A1 (en) * 2020-10-15 2022-04-21 Lenovo (Singapore) Pte. Ltd. Csi reporting with parameter combination selection
WO2022133471A1 (en) * 2020-12-18 2022-06-23 Ntt Docomo, Inc. Methods of extending type ii port selection codebook for supporting higher rank transmission
US20240323735A1 (en) * 2021-07-23 2024-09-26 Samsung Electronics Co., Ltd. Method and apparatus for full-duplex wireless communication systems
EP4364309A4 (en) 2021-08-05 2025-06-18 Apple Inc. METHODS AND APPARATUS FOR IMPROVING PORT SELECTION CODEBOOK
US20260045979A1 (en) * 2022-08-04 2026-02-12 Beijing Xiaomi Mobile Software Co., Ltd. Precoding matrix determination method and apparatus for uplink mimo transmission

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5927802B2 (ja) * 2011-08-02 2016-06-01 シャープ株式会社 基地局、端末および通信方法
JP5914918B2 (ja) * 2011-08-02 2016-05-11 シャープ株式会社 基地局、端末および通信方法
CN103347298B (zh) * 2012-12-31 2019-02-19 上海华为技术有限公司 参考信号配置方法和参考信号发送方法及相关设备
PT3116258T (pt) * 2014-03-06 2018-10-19 Huawei Tech Co Ltd Método para reportar informação do estado de canal, equipamento de utilizador e estação base
US9654195B2 (en) * 2014-11-17 2017-05-16 Samsung Electronics Co., Ltd. Methods to calculate linear combination pre-coders for MIMO wireless communication systems
US10116493B2 (en) * 2014-11-21 2018-10-30 Cisco Technology, Inc. Recovering from virtual port channel peer failure
US9991942B2 (en) * 2015-12-30 2018-06-05 Samsung Electronics Co., Ltd. Method and apparatus for channel state information reference signal (CSI-RS)
US10491276B2 (en) * 2016-05-11 2019-11-26 Lg Electronics Inc. Method for transmitting and receiving channel state information in multi-antenna wireless communication system, and apparatus therefor
EP3955473B1 (en) * 2016-09-26 2025-07-02 LG Electronics Inc. Method for transmitting and receiving channel state information in wireless communication system and apparatus for the same
US10200103B2 (en) * 2016-11-23 2019-02-05 Samsung Electronics Co., Ltd. Method and apparatus to enable multi-resolution CSI reporting in advanced wireless communication systems
CN110832789B (zh) * 2017-03-23 2023-08-11 Lg电子株式会社 在无线通信系统中发送或接收信道状态信息的方法及其设备
US10784943B2 (en) * 2017-10-23 2020-09-22 Apple, Inc. Beam failure recovery operation
US10868602B2 (en) * 2018-01-19 2020-12-15 Lenovo (Singapore) Pte. Ltd. Channel compression matrix parameters
US10868603B2 (en) * 2018-03-09 2020-12-15 Samsung Electronics Co., Ltd. Method and apparatus to enable CSI reporting based on space-frequency compression
CN114844533B (zh) * 2018-04-12 2025-07-15 中兴通讯股份有限公司 一种信道状态信息报告方法、接收方法
EP3672096A1 (en) * 2018-12-22 2020-06-24 Fraunhofer Gesellschaft zur Förderung der angewandten Forschung e.V. Methods and apparatuses for feedback reporting in a wireless communications network
EP3780455A1 (en) * 2019-08-15 2021-02-17 Fraunhofer Gesellschaft zur Förderung der angewandten Forschung e.V. Three-component codebook based csi reporting

Also Published As

Publication number Publication date
US20240048195A1 (en) 2024-02-08
US20230098904A1 (en) 2023-03-30
EP4115535A1 (en) 2023-01-11
US12445176B2 (en) 2025-10-14
US12334999B2 (en) 2025-06-17
WO2021176427A1 (en) 2021-09-10
CN115244868A (zh) 2022-10-25
CN115244868B (zh) 2026-04-10

Similar Documents

Publication Publication Date Title
BR112022017381A2 (pt) Geração de livro de códigos de seleção de porta tipo ii
Wang et al. DOA estimation based on the difference and sum coarray for coprime arrays
KR101806878B1 (ko) 8 개의 전송 안테나들에 대한 코드북 및 그 코드북을 사용하는 통신 시스템
BR112023016787A2 (pt) Geração de livro-código para pré-codificar elementos de superfície inteligente reconfigurável (ris)
BR112018076185A2 (pt) método, equipamento do usuário e rede para a diver-sidade de formação de feixe híbrido
EP2817892B1 (en) Method and arrangement for supporting adjustment of transmission from correlated antennas
Xiao et al. MVDR algorithm based on estimated diagonal loading for beamforming
MY154508A (en) Mimo transmission with rank-dependent precoding
BR112022015632A2 (pt) Método de retroalimentação de informações de estado de canal, dispositivo, terminal e lado de rede, e mídia de armazenamento.
EP4417999A3 (en) High-fidelity radar simulator
SA519410469B1 (ar) تعويض وإزالة التفاف السعة المتسقين مع السطح بناءاً على الانكسار
BR112012024511B1 (pt) métodos em um nó de rede para gerar um pré-codificador e para transmitir dados a um receptor sem fio e nó de rede
BR0111295A (pt) Sistema de realimentação de enlace fechado para melhor desempenho no enlace descendente
AR062228A1 (es) Metodo, aparato y sistema para implementar tecnicas de multiples entradas multiples salidas virtuales para multi- usuarios
BRPI0415527A (pt) redução de interferência multi-passagem em um sistema de comunicação gsm
BR112017014437A2 (pt) dispositivos e métodos para imagem acústica de fundo de poço
MX2009010417A (es) Metodo de supervision que usa un arreglo de multiples fuentes de señales.
BR112018005882A2 (pt) método e aparelho de seleção de recurso, e dispositivo eletrônico
BR112018013970A2 (pt) sistema e método de levantamento geofísico marítimo com fontes sísmicas distribuídas
SA522441696B1 (ar) طريقة ونظام لتوقع مسار رسوبي باستخدام بيانات جيولوجية وزلزالية
Zhou et al. Off‐Grid Radar Coincidence Imaging Based on Variational Sparse Bayesian Learning
RU2018111792A (ru) Предварительное кодирование передачи из антенной решетки, которая включает в себя сополяризованные антенные элементы, выровненные в заданном пространственном измерении
Tzafri et al. Application of capon method to direct position determination
Xudong et al. Improved ESPRIT Method for Joint Direction‐of‐Arrival and Frequency Estimation Using Multiple‐Delay Output
JP2010223895A (ja) レーダ装置