CN115039348A - 码本反馈方法、网络设备、终端设备及计算机存储介质 - Google Patents

码本反馈方法、网络设备、终端设备及计算机存储介质 Download PDF

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Publication number
CN115039348A
CN115039348A CN202180011660.8A CN202180011660A CN115039348A CN 115039348 A CN115039348 A CN 115039348A CN 202180011660 A CN202180011660 A CN 202180011660A CN 115039348 A CN115039348 A CN 115039348A
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China
Prior art keywords
basis
bases
indication information
terminal device
sets
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Pending
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CN202180011660.8A
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English (en)
Inventor
黄莹沛
陈文洪
方昀
史志华
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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Application filed by Guangdong Oppo Mobile Telecommunications Corp Ltd filed Critical Guangdong Oppo Mobile Telecommunications Corp Ltd
Priority to CN202211449866.1A priority Critical patent/CN115833890A/zh
Publication of CN115039348A publication Critical patent/CN115039348A/zh
Pending legal-status Critical Current

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    • 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
    • H04B7/0413—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
    • H04B7/0478—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
    • H04B7/0619—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
    • 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
    • H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
    • 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
    • H04W72/046—Wireless resource allocation based on the type of the allocated resource the resource being in the space domain, e.g. beams
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202—Channel estimation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W80/00—Wireless network protocols or protocol adaptations to wireless operation
    • H04W80/02—Data link layer protocols

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

本申请实施例公开了码本反馈方法、网络设备、终端设备及计算机存储介质，包括：网络设备向终端设备发送第一指示信息，所述第一指示信息用于指示至少一组基向量集合，所述基向量集合包括FD basis集合或SD‑FD‑basis集合。本申请实施例可降低码本反馈量，提高码本反馈效率。

Description

PCT国内申请，说明书已公开。

Claims (64)

  1. PCT国内申请，权利要求书已公开。
CN202180011660.8A 2020-03-10 2021-02-04 码本反馈方法、网络设备、终端设备及计算机存储介质 Pending CN115039348A (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202211449866.1A CN115833890A (zh) 2020-03-10 2021-02-04 码本反馈方法、网络设备、终端设备及计算机存储介质

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
PCT/CN2020/078641 WO2021179171A1 (zh) 2020-03-10 2020-03-10 码本反馈方法、网络设备、终端设备及计算机存储介质
CNPCT/CN2020/078641 2020-03-10
PCT/CN2021/075356 WO2021179864A1 (zh) 2020-03-10 2021-02-04 码本反馈方法、网络设备、终端设备及计算机存储介质

Related Child Applications (1)

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CN202211449866.1A Division CN115833890A (zh) 2020-03-10 2021-02-04 码本反馈方法、网络设备、终端设备及计算机存储介质

Publications (1)

Publication Number Publication Date
CN115039348A true CN115039348A (zh) 2022-09-09

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CN202180011660.8A Pending CN115039348A (zh) 2020-03-10 2021-02-04 码本反馈方法、网络设备、终端设备及计算机存储介质
CN202211449866.1A Pending CN115833890A (zh) 2020-03-10 2021-02-04 码本反馈方法、网络设备、终端设备及计算机存储介质

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Country Status (4)

Country Link
US (1) US20230020700A1 (zh)
EP (1) EP4113855A4 (zh)
CN (2) CN115039348A (zh)
WO (2) WO2021179171A1 (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024065547A1 (zh) * 2022-09-29 2024-04-04 北京小米移动软件有限公司 指示上报方法及其装置

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023216049A1 (en) * 2022-05-09 2023-11-16 Qualcomm Incorporated Hybrid spatial domain and frequency domain basis selection for coherent joint transmission feedback

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104144007B (zh) * 2013-05-09 2018-01-30 电信科学技术研究院 一种基于码本的信息反馈方法和装置
US9825742B2 (en) * 2014-10-03 2017-11-21 Samsung Electronics Co., Ltd. Codebook design and structure for advanced wireless communication systems
WO2016064246A1 (en) * 2014-10-24 2016-04-28 Samsung Electronics Co., Ltd. Efficient vector quantizer for fd-mimo systems
CN109309518B (zh) * 2017-07-26 2021-09-07 华为技术有限公司 用于数据传输的方法、装置和系统
CN110086732B (zh) * 2018-01-25 2020-09-29 华为技术有限公司 一种信道估计方法和装置
CN110581724B (zh) * 2018-06-08 2020-11-06 电信科学技术研究院有限公司 信道状态信息反馈方法、预编码矩阵确定方法及装置
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
CN110768700B (zh) * 2018-07-26 2021-02-23 华为技术有限公司 信道估计方法和装置
US11438041B2 (en) * 2018-08-03 2022-09-06 Nec Corporation Methods and devices for reducing channel state information feedback overhead
CN110830092B (zh) * 2018-08-10 2021-10-26 华为技术有限公司 指示预编码矩阵和确定预编码矩阵的方法以及通信装置
CN110855336B (zh) * 2018-08-20 2022-04-22 华为技术有限公司 指示和确定预编码向量的方法以及通信装置
CN110754054B (zh) * 2019-05-12 2021-01-08 Oppo广东移动通信有限公司 一种信道状态信息传输方法、设备及存储介质

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024065547A1 (zh) * 2022-09-29 2024-04-04 北京小米移动软件有限公司 指示上报方法及其装置

Also Published As

Publication number Publication date
CN115833890A (zh) 2023-03-21
WO2021179864A1 (zh) 2021-09-16
WO2021179171A1 (zh) 2021-09-16
US20230020700A1 (en) 2023-01-19
EP4113855A4 (en) 2023-08-30
EP4113855A1 (en) 2023-01-04

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