JP6114153B2 - 基地局、移動局、参照信号送信方法及びチャネル品質測定方法 - Google Patents

基地局、移動局、参照信号送信方法及びチャネル品質測定方法 Download PDF

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Publication number
JP6114153B2
JP6114153B2 JP2013200606A JP2013200606A JP6114153B2 JP 6114153 B2 JP6114153 B2 JP 6114153B2 JP 2013200606 A JP2013200606 A JP 2013200606A JP 2013200606 A JP2013200606 A JP 2013200606A JP 6114153 B2 JP6114153 B2 JP 6114153B2
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Prior art keywords
csi
mapping
reference signal
antenna ports
channel state
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JP2013200606A
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Japanese (ja)
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JP2015070335A (ja
JP2015070335A5 (enExample
Inventor
佑一 柿島
佑一 柿島
聡 永田
聡 永田
祥久 岸山
祥久 岸山
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NTT Docomo Inc
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NTT Docomo Inc
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Priority to JP2013200606A priority Critical patent/JP6114153B2/ja
Application filed by NTT Docomo Inc filed Critical NTT Docomo Inc
Priority to EP14848382.9A priority patent/EP3051904B1/en
Priority to US15/024,366 priority patent/US10425852B2/en
Priority to CN201480052271.XA priority patent/CN105580468B/zh
Priority to PCT/JP2014/071983 priority patent/WO2015045696A1/ja
Priority to HK16114648.9A priority patent/HK1226582B/en
Publication of JP2015070335A publication Critical patent/JP2015070335A/ja
Publication of JP2015070335A5 publication Critical patent/JP2015070335A5/ja
Application granted granted Critical
Publication of JP6114153B2 publication Critical patent/JP6114153B2/ja
Priority to US15/850,808 priority patent/US10356644B2/en
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
    • 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
    • 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
    • H04B7/0613—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
    • H04B7/0684—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 using different training sequences per antenna
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signalling, i.e. of overhead other than pilot signals
    • H04L5/0057—Physical resource allocation for CQI
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
    • H04W16/24—Cell structures
    • H04W16/28—Cell structures using beam steering
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/12—Wireless traffic scheduling
    • H04W72/1263—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0014—Three-dimensional division
    • H04L5/0023—Time-frequency-space

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mobile Radio Communication Systems (AREA)
JP2013200606A 2013-09-26 2013-09-26 基地局、移動局、参照信号送信方法及びチャネル品質測定方法 Active JP6114153B2 (ja)

Priority Applications (7)

Application Number Priority Date Filing Date Title
JP2013200606A JP6114153B2 (ja) 2013-09-26 2013-09-26 基地局、移動局、参照信号送信方法及びチャネル品質測定方法
US15/024,366 US10425852B2 (en) 2013-09-26 2014-08-22 Base station, mobile station, reference signal transmission method, and channel quality measurement method
CN201480052271.XA CN105580468B (zh) 2013-09-26 2014-08-22 基站、移动台、参考信号发送方法以及信道质量测量方法
PCT/JP2014/071983 WO2015045696A1 (ja) 2013-09-26 2014-08-22 基地局、移動局、参照信号送信方法及びチャネル品質測定方法
EP14848382.9A EP3051904B1 (en) 2013-09-26 2014-08-22 Base station, mobile station, reference-signal transmission method, and channel-quality measurement method
HK16114648.9A HK1226582B (en) 2013-09-26 2014-08-22 Base station, mobile station, reference-signal transmission method, and channel-quality measurement method
US15/850,808 US10356644B2 (en) 2013-09-26 2017-12-21 Base station, mobile station, reference signal transmission method, and channel quality measurement method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2013200606A JP6114153B2 (ja) 2013-09-26 2013-09-26 基地局、移動局、参照信号送信方法及びチャネル品質測定方法

Publications (3)

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JP2015070335A JP2015070335A (ja) 2015-04-13
JP2015070335A5 JP2015070335A5 (enExample) 2016-12-22
JP6114153B2 true JP6114153B2 (ja) 2017-04-12

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Country Link
US (2) US10425852B2 (enExample)
EP (1) EP3051904B1 (enExample)
JP (1) JP6114153B2 (enExample)
CN (1) CN105580468B (enExample)
WO (1) WO2015045696A1 (enExample)

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JP6969633B2 (ja) * 2016-03-30 2021-11-24 日本電気株式会社 基地局およびｕｅによって実行される方法
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WO2017166256A1 (zh) * 2016-03-31 2017-10-05 华为技术有限公司 参考信号发送方法、参考信号接收方法、装置及系统
CN109565388B (zh) * 2016-03-31 2021-10-15 都科摩创新股份有限公司 发送csi-rs的方法和基站
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CN107370582A (zh) * 2016-05-12 2017-11-21 株式会社Ntt都科摩 参考信号发送方法、检测方法、基站和移动台
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Also Published As

Publication number Publication date
US10356644B2 (en) 2019-07-16
EP3051904B1 (en) 2021-05-05
US20160242060A1 (en) 2016-08-18
JP2015070335A (ja) 2015-04-13
CN105580468B (zh) 2019-07-19
US10425852B2 (en) 2019-09-24
WO2015045696A1 (ja) 2015-04-02
HK1226582A1 (en) 2017-09-29
EP3051904A4 (en) 2016-11-16
US20180115919A1 (en) 2018-04-26
EP3051904A1 (en) 2016-08-03
CN105580468A (zh) 2016-05-11

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