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CN105009494A - 一种信道状态信息的反馈方法及装置 - Google Patents

一种信道状态信息的反馈方法及装置 Download PDF

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Publication number
CN105009494A
CN105009494A CN201380003739.1A CN201380003739A CN105009494A CN 105009494 A CN105009494 A CN 105009494A CN 201380003739 A CN201380003739 A CN 201380003739A CN 105009494 A CN105009494 A CN 105009494A
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China
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feedback
channel
channel condition
condition information
cqi
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CN201380003739.1A
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CN105009494B (zh
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刘建琴
刘江华
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
    • H04L1/0026—Transmission of channel quality indication
    • 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
    • H04B7/0636—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
    • H04B7/0413—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
    • H04B7/0413—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
    • H04B7/0479—Special codebook structures directed to feedback optimisation for multi-dimensional arrays, e.g. horizontal or vertical pre-distortion matrix index [PMI]
    • 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
    • H04B7/0645—Variable feedback
    • H04B7/065—Variable contents, e.g. long-term or short-short
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/02—Arrangements for detecting or preventing errors in the information received by diversity reception
    • H04L1/06—Arrangements for detecting or preventing errors in the information received by diversity reception using space diversity
    • H04L1/0618—Space-time coding
    • H04L1/0675—Space-time coding characterised by the signaling
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/21—Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network

Landscapes

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

Abstract

本发明涉及移动通信技术领域，尤其涉及一种信道状态信息反馈方法及装置。该方法包括：用户设备基于基站配置的对应表征水平维度的第一天线端口的第一信道状态信息测量资源，获取第一信道状态信息；基于所述基站配置的表征垂直维度的第二天线端口的第二信道状态信息测量资源，获取第二信道状态信息；向所述基站反馈信道状态信息，包括：根据第一反馈模式向所述基站反馈所述第一信道状态信息，根据第二反馈模式向所述基站反馈所述第二信道状态信息，所述第二反馈模式不同于所述第一反馈模式；或者，根据第三反馈模式反馈第三信道状态信息，所述第三信道状态信息由所述用户设备基于所述第一信道状态信息和第二信道状态信息得到。

Description

PCT国内申请，说明书已公开。

Claims (1)

  1. PCT国内申请，权利要求书已公开。
CN201380003739.1A 2013-11-22 2013-11-22 一种信道状态信息的反馈方法及装置 Active CN105009494B (zh)

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EP (1) EP3073662B1 (zh)
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CN108155968A (zh) * 2016-12-05 2018-06-12 大唐移动通信设备有限公司 一种基站下行正交振幅调制256qam的配置方法和装置
CN108370286A (zh) * 2015-12-11 2018-08-03 高通股份有限公司 用于高级接收机的信道状态信息框架
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WO2025200488A1 (zh) * 2024-03-29 2025-10-02 中兴通讯股份有限公司 信道状态信息的反馈方法、装置及存储介质

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CN108370286A (zh) * 2015-12-11 2018-08-03 高通股份有限公司 用于高级接收机的信道状态信息框架
CN108370286B (zh) * 2015-12-11 2020-12-29 高通股份有限公司 用于高级接收机的信道状态信息反馈的方法、装置
CN105871435A (zh) * 2016-04-01 2016-08-17 北京北方烽火科技有限公司 信道状态信息反馈方法、装置及用户设备
CN105871435B (zh) * 2016-04-01 2019-04-02 北京北方烽火科技有限公司 信道状态信息反馈方法、装置及用户设备
CN107666341A (zh) * 2016-07-29 2018-02-06 三星电子株式会社 用大规模阵列天线的移动通信系统中csi‑rs端口共享的参考信号配置的方法和装置
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CN107666341B (zh) * 2016-07-29 2022-03-29 三星电子株式会社 用大规模阵列天线的移动通信系统中csi-rs端口共享的参考信号配置的方法和装置
CN108155968A (zh) * 2016-12-05 2018-06-12 大唐移动通信设备有限公司 一种基站下行正交振幅调制256qam的配置方法和装置
CN108155968B (zh) * 2016-12-05 2020-06-05 大唐移动通信设备有限公司 一种基站下行正交振幅调制256qam的配置方法和装置
WO2023179622A1 (zh) * 2022-03-22 2023-09-28 中兴通讯股份有限公司 信道状态信息的处理方法、终端、基站、介质
WO2025200488A1 (zh) * 2024-03-29 2025-10-02 中兴通讯股份有限公司 信道状态信息的反馈方法、装置及存储介质

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KR101852914B1 (ko) 2018-04-27
US10567061B2 (en) 2020-02-18
WO2015074262A1 (zh) 2015-05-28
US9838106B2 (en) 2017-12-05
EP3073662B1 (en) 2020-10-07
KR20160086948A (ko) 2016-07-20
US20180091209A1 (en) 2018-03-29
EP3073662A4 (en) 2016-12-07
US20160269089A1 (en) 2016-09-15
EP3073662A1 (en) 2016-09-28
CN105009494B (zh) 2019-07-09

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