CN110383711A - 一种多波束的csi反馈信息的传输方法和装置 - Google Patents

一种多波束的csi反馈信息的传输方法和装置 Download PDF

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Publication number
CN110383711A
CN110383711A CN201880015609.2A CN201880015609A CN110383711A CN 110383711 A CN110383711 A CN 110383711A CN 201880015609 A CN201880015609 A CN 201880015609A CN 110383711 A CN110383711 A CN 110383711A
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CN
China
Prior art keywords
information
feedback information
csi feedback
wave beam
type
Prior art date
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Pending
Application number
CN201880015609.2A
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English (en)
Inventor
李慧玲
那崇宁
柿岛佑一
永田聪
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NTT Docomo Inc
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NTT Docomo Inc
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Publication date
Application filed by NTT Docomo Inc filed Critical NTT Docomo Inc
Publication of CN110383711A publication Critical patent/CN110383711A/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
    • H04B7/0626—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
    • H04B7/0413—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
    • H04B7/06—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

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

Abstract

本发明的实施例提供了一种多波束的CSI反馈信息的传输方法和装置。根据本发明实施例的方法包括：发送用于指示CSI反馈信息的类型的信息；使用第一类型的CSI反馈方式发送多波束的CSI反馈信息中的第一类型的CSI反馈信息，其中，第一类型的CSI反馈信息至少包括第一传输阶数信息、第一信道质量信息和多波束中的第一波束的反馈信息；使用第二类型的CSI反馈方式发送多波束的CSI反馈信息中的第二类型的CSI反馈信息，其中，第二类型的CSI反馈信息至少包括第二传输阶数信息、第二信道质量信息、多波束中除了第一波束以外的其他波束的反馈信息。

Description

PCT国内申请，说明书已公开。

Claims (22)

  1. PCT国内申请，权利要求书已公开。
CN201880015609.2A 2017-05-04 2018-03-02 一种多波束的csi反馈信息的传输方法和装置 Pending CN110383711A (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CN201710308369.2A CN108809380A (zh) 2017-05-04 2017-05-04 一种多波束的csi反馈信息的传输方法和装置
CN2017103083692 2017-05-04
PCT/CN2018/077843 WO2018201786A1 (zh) 2017-05-04 2018-03-02 一种多波束的csi反馈信息的传输方法和装置

Publications (1)

Publication Number Publication Date
CN110383711A true CN110383711A (zh) 2019-10-25

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CN201880015609.2A Pending CN110383711A (zh) 2017-05-04 2018-03-02 一种多波束的csi反馈信息的传输方法和装置

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US (1) US10892809B2 (zh)
CN (2) CN108809380A (zh)
WO (1) WO2018201786A1 (zh)

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CN108282882B (zh) * 2017-01-06 2021-06-22 华为技术有限公司 信息传输方法、终端设备及接入网设备
WO2020118731A1 (en) * 2018-12-14 2020-06-18 Qualcomm Incorporated Channel state information feedback compression
US11190248B2 (en) * 2019-03-18 2021-11-30 Qualcomm Incorporated Channel state information reporting techniques in sidelink wireless communications

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US20150124688A1 (en) * 2013-11-04 2015-05-07 Samsung Electronics Co., Ltd. Multistage beamforming of multiple-antenna communication system
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US20150049824A1 (en) * 2012-03-07 2015-02-19 Lg Electronics Inc. Method for performing hierarchical beamforming in wireless access system and device therefor
US20150124688A1 (en) * 2013-11-04 2015-05-07 Samsung Electronics Co., Ltd. Multistage beamforming of multiple-antenna communication system
CN105429683A (zh) * 2014-09-17 2016-03-23 上海朗帛通信技术有限公司 一种3d mimo传输方法和装置
US20160373178A1 (en) * 2015-06-18 2016-12-22 Samsung Electronics Co., Ltd Advanced beamforming and feedback methods for mimo wireless communication systems

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Publication number Publication date
US20200153495A1 (en) 2020-05-14
CN108809380A (zh) 2018-11-13
US10892809B2 (en) 2021-01-12
WO2018201786A1 (zh) 2018-11-08

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Application publication date: 20191025