JP6121931B2 - 移動通信システム、基地局、およびユーザ装置 - Google Patents

移動通信システム、基地局、およびユーザ装置 Download PDF

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Publication number
JP6121931B2
JP6121931B2 JP2014059180A JP2014059180A JP6121931B2 JP 6121931 B2 JP6121931 B2 JP 6121931B2 JP 2014059180 A JP2014059180 A JP 2014059180A JP 2014059180 A JP2014059180 A JP 2014059180A JP 6121931 B2 JP6121931 B2 JP 6121931B2
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Prior art keywords
base station
user apparatus
beams
reference signals
user
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Japanese (ja)
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JP2015185952A5 (enExample
JP2015185952A (ja
Inventor
佑一 柿島
佑一 柿島
聡 永田
聡 永田
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NTT Docomo Inc
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NTT Docomo Inc
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Priority to JP2014059180A priority Critical patent/JP6121931B2/ja
Application filed by NTT Docomo Inc filed Critical NTT Docomo Inc
Priority to CN201480077121.4A priority patent/CN106105292B/zh
Priority to US15/126,101 priority patent/US11350291B2/en
Priority to PCT/JP2014/081369 priority patent/WO2015141065A1/ja
Priority to EP14886105.7A priority patent/EP3122094A4/en
Publication of JP2015185952A publication Critical patent/JP2015185952A/ja
Priority to ZA2016/06615A priority patent/ZA201606615B/en
Publication of JP2015185952A5 publication Critical patent/JP2015185952A5/ja
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Publication of JP6121931B2 publication Critical patent/JP6121931B2/ja
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    • 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
    • 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
    • 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
    • H04B7/0617—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 for beam forming
    • 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
    • H04B7/06952—Selecting one or more beams from a plurality of beams, e.g. beam training, management or sweeping
    • 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
    • H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0868—Hybrid systems, i.e. switching and combining
    • H04B7/088—Hybrid systems, i.e. switching and combining using beam selection
    • 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
    • H04L5/0055—Physical resource allocation for ACK/NACK
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)
JP2014059180A 2014-03-20 2014-03-20 移動通信システム、基地局、およびユーザ装置 Active JP6121931B2 (ja)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP2014059180A JP6121931B2 (ja) 2014-03-20 2014-03-20 移動通信システム、基地局、およびユーザ装置
US15/126,101 US11350291B2 (en) 2014-03-20 2014-11-27 Beam tracking mobile communication system, base station, and user equipment
PCT/JP2014/081369 WO2015141065A1 (ja) 2014-03-20 2014-11-27 移動通信システム、基地局、およびユーザ装置
EP14886105.7A EP3122094A4 (en) 2014-03-20 2014-11-27 Mobile communication system, base station, and user device
CN201480077121.4A CN106105292B (zh) 2014-03-20 2014-11-27 移动通信系统、基站以及用户装置
ZA2016/06615A ZA201606615B (en) 2014-03-20 2016-09-23 Mobile communication system, base station, and user equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2014059180A JP6121931B2 (ja) 2014-03-20 2014-03-20 移動通信システム、基地局、およびユーザ装置

Publications (3)

Publication Number Publication Date
JP2015185952A JP2015185952A (ja) 2015-10-22
JP2015185952A5 JP2015185952A5 (enExample) 2016-12-22
JP6121931B2 true JP6121931B2 (ja) 2017-04-26

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JP2014059180A Active JP6121931B2 (ja) 2014-03-20 2014-03-20 移動通信システム、基地局、およびユーザ装置

Country Status (6)

Country Link
US (1) US11350291B2 (enExample)
EP (1) EP3122094A4 (enExample)
JP (1) JP6121931B2 (enExample)
CN (1) CN106105292B (enExample)
WO (1) WO2015141065A1 (enExample)
ZA (1) ZA201606615B (enExample)

Cited By (1)

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US11159957B2 (en) 2018-01-19 2021-10-26 Nec Corporation Base station apparatus, service provision method, and program

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CN106105292B (zh) 2019-12-24
WO2015141065A1 (ja) 2015-09-24
US20170094531A1 (en) 2017-03-30
CN106105292A (zh) 2016-11-09
ZA201606615B (en) 2018-05-30
EP3122094A1 (en) 2017-01-25
EP3122094A4 (en) 2017-03-01
JP2015185952A (ja) 2015-10-22
US11350291B2 (en) 2022-05-31

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