JP6658891B2 - ビームフォーミングに関連する装置、方法、システム、プログラム及び記録媒体 - Google Patents

ビームフォーミングに関連する装置、方法、システム、プログラム及び記録媒体 Download PDF

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JP6658891B2
JP6658891B2 JP2018531783A JP2018531783A JP6658891B2 JP 6658891 B2 JP6658891 B2 JP 6658891B2 JP 2018531783 A JP2018531783 A JP 2018531783A JP 2018531783 A JP2018531783 A JP 2018531783A JP 6658891 B2 JP6658891 B2 JP 6658891B2
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base station
processing unit
information
terminal device
related information
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JPWO2018025556A1 (ja
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賢吾 桶谷
賢吾 桶谷
尚 二木
尚 二木
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NEC Corp
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NEC Corp
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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
    • H04B7/0617—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
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/0005—Control or signalling for completing the hand-off
    • H04W36/0011—Control or signalling for completing the hand-off for data sessions of end-to-end connection
    • H04W36/0033—Control or signalling for completing the hand-off for data sessions of end-to-end connection with transfer of context information
    • H04W36/0044—Control or signalling for completing the hand-off for data sessions of end-to-end connection with transfer of context information of quality context information
    • 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
    • H04B7/0634—Antenna weights or vector/matrix coefficients
    • 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
    • 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
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/0005—Control or signalling for completing the hand-off
    • H04W36/0055—Transmission or use of information for re-establishing the radio link
    • H04W36/0064—Transmission or use of information for re-establishing the radio link of control information between different access points
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/08—Reselecting an access point
    • H04W36/085—Reselecting an access point involving beams of access points

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Mobile Radio Communication Systems (AREA)
JP2018531783A 2016-08-03 2017-07-05 ビームフォーミングに関連する装置、方法、システム、プログラム及び記録媒体 Active JP6658891B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2016152618 2016-08-03
JP2016152618 2016-08-03
PCT/JP2017/024584 WO2018025556A1 (ja) 2016-08-03 2017-07-05 ビームフォーミングに関連する装置、方法、システム、プログラム及び記録媒体

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JP6658891B2 true JP6658891B2 (ja) 2020-03-04

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JP2020018435A Active JP6870758B2 (ja) 2016-08-03 2020-02-06 ビームフォーミングに関連する装置、方法、システム、プログラム及び記録媒体
JP2021064113A Active JP7103466B2 (ja) 2016-08-03 2021-04-05 ビームフォーミングに関連する装置、方法、システム、プログラム及び記録媒体
JP2022109546A Active JP7480806B2 (ja) 2016-08-03 2022-07-07 ビームフォーミングに関連する端末装置、基地局、及び、方法

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JP2021064113A Active JP7103466B2 (ja) 2016-08-03 2021-04-05 ビームフォーミングに関連する装置、方法、システム、プログラム及び記録媒体
JP2022109546A Active JP7480806B2 (ja) 2016-08-03 2022-07-07 ビームフォーミングに関連する端末装置、基地局、及び、方法

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US (4) US10849027B2 (enExample)
EP (2) EP4325735A3 (enExample)
JP (4) JP6658891B2 (enExample)
CN (2) CN114142901B (enExample)
WO (1) WO2018025556A1 (enExample)

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Publication number Publication date
US11516711B2 (en) 2022-11-29
JP2020074639A (ja) 2020-05-14
EP3496459A4 (en) 2019-06-19
JP7480806B2 (ja) 2024-05-10
US20240373298A1 (en) 2024-11-07
US10849027B2 (en) 2020-11-24
JP2022125271A (ja) 2022-08-26
CN109565731A (zh) 2019-04-02
JPWO2018025556A1 (ja) 2019-05-30
US20230040491A1 (en) 2023-02-09
JP6870758B2 (ja) 2021-05-12
US20210045022A1 (en) 2021-02-11
EP4325735A2 (en) 2024-02-21
US20190166527A1 (en) 2019-05-30
CN109565731B (zh) 2021-11-23
JP7103466B2 (ja) 2022-07-20
CN114142901A (zh) 2022-03-04
JP2021106421A (ja) 2021-07-26
WO2018025556A1 (ja) 2018-02-08
EP4325735A3 (en) 2024-05-01
EP3496459A1 (en) 2019-06-12
CN114142901B (zh) 2025-10-28

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