BR112023016787A2 - Geração de livro-código para pré-codificar elementos de superfície inteligente reconfigurável (ris) - Google Patents

Geração de livro-código para pré-codificar elementos de superfície inteligente reconfigurável (ris)

Info

Publication number
BR112023016787A2
BR112023016787A2 BR112023016787A BR112023016787A BR112023016787A2 BR 112023016787 A2 BR112023016787 A2 BR 112023016787A2 BR 112023016787 A BR112023016787 A BR 112023016787A BR 112023016787 A BR112023016787 A BR 112023016787A BR 112023016787 A2 BR112023016787 A2 BR 112023016787A2
Authority
BR
Brazil
Prior art keywords
ris
weights
codebook
elements
code
Prior art date
Application number
BR112023016787A
Other languages
English (en)
Inventor
Ahmed Elshafie
Joon Kwon Hwan
Kiran Mukkavilli Krishna
Yu Zhang
Original Assignee
Qualcomm Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Qualcomm Inc filed Critical Qualcomm Inc
Publication of BR112023016787A2 publication Critical patent/BR112023016787A2/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
    • H04B7/04013—Intelligent reflective surfaces
    • H04B7/04026—Intelligent reflective surfaces with codebook-based beamforming
    • 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
    • H04B7/04013—Intelligent reflective surfaces
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0413—MIMO systems
    • H04B7/0456—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0686—Hybrid systems, i.e. switching and simultaneous transmission
    • H04B7/0695—Hybrid systems, i.e. switching and simultaneous transmission using beam selection
    • H04B7/06952—Selecting one or more beams from a plurality of beams, e.g. beam training, management or sweeping
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2626—Arrangements specific to the transmitter only
    • H04L27/2627—Modulators
    • H04L27/2634—Inverse fast Fourier transform [IFFT] or inverse discrete Fourier transform [IDFT] modulators in combination with other circuits for modulation
    • H04L27/2636—Inverse fast Fourier transform [IFFT] or inverse discrete Fourier transform [IDFT] modulators in combination with other circuits for modulation with FFT or DFT modulators, e.g. standard single-carrier frequency-division multiple access [SC-FDMA] transmitter or DFT spread orthogonal frequency division multiplexing [DFT-SOFDM]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2647—Arrangements specific to the receiver only
    • H04L27/2649—Demodulators
    • H04L27/265—Fourier transform demodulators, e.g. fast Fourier transform [FFT] or discrete Fourier transform [DFT] demodulators
    • H04L27/2651—Modification of fast Fourier transform [FFT] or discrete Fourier transform [DFT] demodulators for performance improvement
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69—Spread spectrum techniques
    • H04B2001/6912—Spread spectrum techniques using chirp

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Discrete Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Complex Calculations (AREA)
  • Radar Systems Or Details Thereof (AREA)

Abstract

geração de livro-código para pré-codificar elementos de superfície inteligente reconfigurável (ris). aspectos da presente revelação se relacionam a técnicas, métodos, dispositivos, sistemas, e mídia não transitória legível por computador para gerar livros de códigos para superfícies inteligente reconfiguráveis (ris). por exemplo, um controlador de ris gera um livro-código para uma ris computando-se pesos usando uma função de transformada discreta de fourier (dft) ou uma função de transformada fracionária de fourier (frft), com base em sinais de referência (rss) transmitidos por um transmissor. os pesos correspondem aos elementos de ris ou um subconjunto dos elementos de ris. em alguns aspectos, a computação dos pesos pode incluir fatores de sobreamostragem que permitem uma resolução mais alta dos pesos e busca aperfeiçoada para uma instalação de pré-codificação ideal. diferentes conjuntos de pesos podem ser usados para diferentes feixes que entram. o controlador de ris pode ser treinado com um par de transmissor e um receptor para identificar/gerar o livro-código para um conjunto de pesos otimizado em situações específicas.
BR112023016787A 2021-03-01 2021-03-01 Geração de livro-código para pré-codificar elementos de superfície inteligente reconfigurável (ris) BR112023016787A2 (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2021/078402 WO2022183310A1 (en) 2021-03-01 2021-03-01 Codebook generation for precoding reconfigurable intelligent surface (ris) elements

Publications (1)

Publication Number Publication Date
BR112023016787A2 true BR112023016787A2 (pt) 2023-12-05

Family

ID=83153686

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112023016787A BR112023016787A2 (pt) 2021-03-01 2021-03-01 Geração de livro-código para pré-codificar elementos de superfície inteligente reconfigurável (ris)

Country Status (6)

Country Link
US (1) US20240048188A1 (pt)
EP (1) EP4302412A1 (pt)
KR (1) KR20230149298A (pt)
CN (1) CN116897512A (pt)
BR (1) BR112023016787A2 (pt)
WO (1) WO2022183310A1 (pt)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117792442A (zh) * 2022-09-20 2024-03-29 华为技术有限公司 用于通信的方法、设备和系统
WO2024065130A1 (zh) * 2022-09-26 2024-04-04 北京小米移动软件有限公司 基于智能超表面的预编码方法及装置
CN115941001B (zh) * 2022-11-10 2023-09-19 浙江辰时科技集团有限公司 基于mimo系统的信息传输收发装置、系统、方法和存储介质

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3987672A1 (en) * 2019-06-19 2022-04-27 Sony Group Corporation System, panel device and method for passive reflection of rf signals
EP3987678A1 (en) * 2019-06-19 2022-04-27 Sony Group Corporation System and method for passive reflection of rf signals
CN111181618B (zh) * 2020-01-03 2022-05-10 东南大学 一种基于深度强化学习的智能反射表面相位优化方法
CN111245493B (zh) * 2020-01-10 2021-07-20 北京邮电大学 智能反射面辅助毫米波通信系统的高效波束训练方法
CN112350759B (zh) * 2020-11-05 2021-10-26 北京理工大学 一种ris辅助的多用户多天线通信与雷达频谱共享方法

Also Published As

Publication number Publication date
EP4302412A1 (en) 2024-01-10
WO2022183310A1 (en) 2022-09-09
CN116897512A (zh) 2023-10-17
KR20230149298A (ko) 2023-10-26
US20240048188A1 (en) 2024-02-08

Similar Documents

Publication Publication Date Title
BR112023016787A2 (pt) Geração de livro-código para pré-codificar elementos de superfície inteligente reconfigurável (ris)
MX2019011590A (es) Metodos y sistemas para realizar pruebas en aplicaciones web.
Miettinen et al. Blind source separation based on joint diagonalization in R: The packages JADE and BSSasymp
AU2018200013A1 (en) Shared machine learning
PH12019501205B1 (en) Blockchain-based service execution method and apparatus, and electronic device
BR112016001682A2 (pt) Métodos e um dispositivo para retroalimentação de indicador de matriz de pré-codificação de múltiplas resoluções
BR112019018168B8 (pt) Aparelhos, métodos de processamento de sinal de referência de rastreamento de fase, dispositivo de comunicação, e meio de armazenamento legível por computador
PH12020050282A1 (en) Vehicle learning control system, vehicle control device, and vehicle learning device
Shah et al. Step-frequency radar with compressive sampling (SFR-CS)
MY195644A (en) Login Information Processing Method and Device
EP4300381A3 (en) Systems and methods for distributed training of deep learning models
BR112017013910A2 (pt) dispositivo e método para gerenciamento de recurso.
CN104537249A (zh) 基于稀疏贝叶斯学习的波达方向角估计方法
PH12018501430A1 (en) System and method for driver selection
BR112018073358A2 (pt) método, aparelho e meio de armazenamento legível por computador para transmitir informação de controle de enlace ascendente
MX2019006885A (es) Metodo de transmision de se?al, dispositivo terminal y dispositivo de red.
Xudong et al. Improved ESPRIT method for joint direction‐of‐arrival and frequency estimation using multiple‐delay output
BR112022021449A2 (pt) Método, aparelho e sistema de comunicação
EP4219129A3 (en) Plane wave dual basis for quantum simulation
EP4113386A3 (en) Method, apparatus and system for federated learning, electronic device, computer readable medium
CN108957422A (zh) 一种基于量化数据的云mimo雷达的根克拉美罗下界计算方法
WO2019152229A3 (en) Resource usage prediction for cluster provisioning
BR112019001776A2 (pt) aparelho e método e sistema de transmissão de informação de canal
MX2018011124A (es) Sistemas y metodos para correlacion y sustitucion de objetos.
RU2646595C1 (ru) Способ определения координат источника радиоизлучения