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
JP2012-124571 2012-05-31
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
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 (https=)
EP (1) EP2858407B1 (https=)
JP (1) JP5770682B2 (https=)
CN (1) CN104380641B (https=)
CA (1) CA2873611A1 (https=)
WO (1) WO2013179833A1 (https=)

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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
WO2015160198A1 (en) 2014-04-16 2015-10-22 Lg Electronics Inc. Method and apparatus for processing aperiodic channel state information in wireless communication system
CN107211412B (zh) * 2015-01-23 2022-05-31 株式会社Ntt都科摩 终端、基站以及无线通信方法
EP3253108A4 (en) * 2015-01-28 2018-08-15 Sharp Kabushiki Kaisha Terminal device, base station device, communication method, and integrated circuit
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
KR102183307B1 (ko) 2016-03-23 2020-11-26 가부시키가이샤 엔티티 도코모 유저단말, 무선기지국 및 무선통신방법
CN109417811B (zh) 2016-06-30 2023-02-17 Lg 电子株式会社 在无线通信系统中报告信道状态信息的方法和装置
CN107872303B (zh) * 2016-09-26 2020-07-28 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
WO2018227558A1 (en) * 2017-06-16 2018-12-20 Qualcomm Incorporated Signaling design for multiple aperiodic csi feedback
WO2018227538A1 (en) * 2017-06-16 2018-12-20 Qualcomm Incorporated Reporting aperiodic csi via pucch
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
JPWO2019180886A1 (ja) * 2018-03-22 2021-03-11 株式会社Ｎｔｔドコモ ユーザ端末及び無線通信方法
CN112335282B (zh) * 2018-06-28 2024-08-13 株式会社Ntt都科摩 用户终端以及无线基站
WO2020029816A1 (en) * 2018-08-10 2020-02-13 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for channel state information reporting
CN120786480A (zh) * 2019-08-23 2025-10-14 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

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"Interference Measurements for CoMP CSI Reporting";Ericsson;《3GPP draft》;20120521;2.Design of the interference measurement resource第3段 *
"Signal quality metrics for measurement on CoMP resource management set";Intel Corporation;《3GPP draft》;20120521;2.Discussion on signal quality measurements metrics Proposal 3 *

Also Published As

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

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