CN104380641B - 无线通信系统、无线基站装置以及无线通信方法 - Google Patents

无线通信系统、无线基站装置以及无线通信方法 Download PDF

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Publication number
CN104380641B
CN104380641B CN201380028429.5A CN201380028429A CN104380641B CN 104380641 B CN104380641 B CN 104380641B CN 201380028429 A CN201380028429 A CN 201380028429A CN 104380641 B CN104380641 B CN 104380641B
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China
Prior art keywords
csi
base station
radio base
group
user terminal
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CN201380028429.5A
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English (en)
Chinese (zh)
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CN104380641A (zh
Inventor
永田聪
云翔
陈岚
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NTT Docomo Inc
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NTT Docomo Inc
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Publication of CN104380641A publication Critical patent/CN104380641A/zh
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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
    • 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
    • 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
    • H04B7/022—Site diversity; Macro-diversity
    • H04B7/024—Co-operative use of antennas of several sites, e.g. in co-ordinated multipoint or co-operative multiple-input multiple-output [MIMO] systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
CN201380028429.5A 2012-05-31 2013-04-26 无线通信系统、无线基站装置以及无线通信方法 Active CN104380641B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2012124571A JP5770682B2 (ja) 2012-05-31 2012-05-31 無線通信システム、無線基地局装置及び無線通信方法
JP2012-124571 2012-05-31
PCT/JP2013/062360 WO2013179833A1 (ja) 2012-05-31 2013-04-26 無線通信システム、無線基地局装置及び無線通信方法

Publications (2)

Publication Number Publication Date
CN104380641A CN104380641A (zh) 2015-02-25
CN104380641B true CN104380641B (zh) 2018-05-08

Family

ID=49673037

Family Applications (1)

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CN201380028429.5A Active CN104380641B (zh) 2012-05-31 2013-04-26 无线通信系统、无线基站装置以及无线通信方法

Country Status (6)

Country Link
US (1) US9979454B2 (enExample)
EP (1) EP2858407B1 (enExample)
JP (1) JP5770682B2 (enExample)
CN (1) CN104380641B (enExample)
CA (1) CA2873611A1 (enExample)
WO (1) WO2013179833A1 (enExample)

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US9485774B2 (en) * 2014-02-28 2016-11-01 Telefonaktiebolaget Lm Ericsson (Publ) Efficient transmission of stand-alone aperiodic CSI reporting for LTE carrier aggregation
KR102354498B1 (ko) * 2014-04-16 2022-01-21 엘지전자 주식회사 무선 통신 시스템에서 비주기적 채널 상태 정보를 처리하는 방법 및 장치
JPWO2016117643A1 (ja) * 2015-01-23 2017-10-26 株式会社Ｎｔｔドコモ ユーザ端末、無線基地局及び無線通信方法
CN107409321A (zh) * 2015-01-28 2017-11-28 夏普株式会社 终端装置、基站装置、通信方法以及集成电路
WO2016184335A1 (zh) * 2015-05-21 2016-11-24 电信科学技术研究院 一种信道状态信息反馈方法和终端
CN106301509B (zh) 2015-05-21 2020-01-17 电信科学技术研究院 一种信道状态信息反馈方法和终端
US9999052B1 (en) * 2015-09-02 2018-06-12 Sprint Spectrum L.P. Selecting primary and secondary component carrier for carrier aggregation based on carrier group delay variation, insertion loss, and other carrier attributes
JP6165276B2 (ja) * 2016-01-08 2017-07-19 株式会社Ｎｔｔドコモ ユーザ端末、無線基地局及び無線通信方法
AU2017237887B2 (en) * 2016-03-23 2021-08-12 Ntt Docomo, Inc. User terminal, radio base station and radio communication method
KR102099181B1 (ko) * 2016-06-30 2020-04-09 엘지전자 주식회사 비면허 대역을 지원하는 무선 통신 시스템에서 채널 상태 정보 보고 방법 및 이를 지원하는 장치
CN112039643B (zh) * 2016-09-26 2022-04-12 华为技术有限公司 传输反馈信息的方法和装置
US10492184B2 (en) * 2016-12-09 2019-11-26 Samsung Electronics Co., Ltd. Multiplexing control information in a physical uplink data channel
WO2018227538A1 (en) 2017-06-16 2018-12-20 Qualcomm Incorporated Reporting aperiodic csi via pucch
WO2018227558A1 (en) * 2017-06-16 2018-12-20 Qualcomm Incorporated Signaling design for multiple aperiodic csi feedback
CN109922531B (zh) * 2017-12-13 2021-03-09 电信科学技术研究院 一种传输方法、终端及基站
PT3771275T (pt) * 2018-03-22 2024-03-12 Ntt Docomo Inc Relatório csi aperiódico
WO2020003443A1 (ja) * 2018-06-28 2020-01-02 株式会社Ｎｔｔドコモ ユーザ端末及び無線基地局
WO2020029816A1 (en) * 2018-08-10 2020-02-13 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for channel state information reporting
CN114270930B (zh) * 2019-08-23 2025-08-26 株式会社Ntt都科摩 终端以及无线通信方法
US11071159B1 (en) 2020-04-07 2021-07-20 Sprint Spectrum L.P. Use of group delay variation as a basis to control configuration of dual-connectivity service
US11363513B1 (en) 2020-12-16 2022-06-14 Sprint Spectrum L.P. Proactive control of UE service based on quality of an access node's RF-circuitry as to frequency bands on which the access node operates in coverage zones through which the UE is predicted to move
US20260172191A1 (en) * 2021-11-05 2026-06-18 Interdigital Patent Holdings, Inc. Data driven sounding feedback reports for wlan systems

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"Interference Measurements for CoMP CSI Reporting";Ericsson;《3GPP draft》;20120521;2.Design of the interference measurement resource第3段 *
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Also Published As

Publication number Publication date
EP2858407B1 (en) 2021-06-02
EP2858407A1 (en) 2015-04-08
JP5770682B2 (ja) 2015-08-26
JP2013251698A (ja) 2013-12-12
US9979454B2 (en) 2018-05-22
WO2013179833A1 (ja) 2013-12-05
EP2858407A4 (en) 2016-02-17
CA2873611A1 (en) 2013-12-05
CN104380641A (zh) 2015-02-25
US20150103774A1 (en) 2015-04-16

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