KR101966724B1 - 빔 포밍 기반의 무선통신시스템에서 빔을 선택하기 위한 장치 및 방법 - Google Patents

빔 포밍 기반의 무선통신시스템에서 빔을 선택하기 위한 장치 및 방법 Download PDF

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KR101966724B1
KR101966724B1 KR1020120102020A KR20120102020A KR101966724B1 KR 101966724 B1 KR101966724 B1 KR 101966724B1 KR 1020120102020 A KR1020120102020 A KR 1020120102020A KR 20120102020 A KR20120102020 A KR 20120102020A KR 101966724 B1 KR101966724 B1 KR 101966724B1
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direction detection
base station
signal
random access
detection signal
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Korean (ko)
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KR20130029745A (ko
Inventor
정수룡
김태영
임치우
유현규
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삼성전자주식회사
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Priority to JP2014530595A priority Critical patent/JP6212043B2/ja
Priority to CN201280055908.1A priority patent/CN103931112B/zh
Priority to PCT/KR2012/007387 priority patent/WO2013039355A2/en
Priority to US13/618,301 priority patent/US8983547B2/en
Publication of KR20130029745A publication Critical patent/KR20130029745A/ko
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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
    • H04B7/0686—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
    • H04B7/06—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
    • H04B7/0408—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas using two or more beams, i.e. beam diversity
    • 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
    • H04B7/063—Parameters other than those covered in groups H04B7/0623 - H04B7/0634, e.g. channel matrix rank or transmit mode selection
    • 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
    • H04B7/0837—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using pre-detection combining
    • H04B7/0842—Weighted combining
    • H04B7/086—Weighted combining using weights depending on external parameters, e.g. direction of arrival [DOA], predetermined weights or beamforming
    • 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
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/046—Wireless resource allocation based on the type of the allocated resource the resource being in the space domain, e.g. beams
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/08—Non-scheduled access, e.g. ALOHA
    • H04W74/0833—Random access procedures, e.g. with 4-step access
    • 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
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/002—Transmission of channel access control information

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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)
  • Radio Transmission System (AREA)
KR1020120102020A 2011-09-15 2012-09-14 빔 포밍 기반의 무선통신시스템에서 빔을 선택하기 위한 장치 및 방법 Expired - Fee Related KR101966724B1 (ko)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2014530595A JP6212043B2 (ja) 2011-09-15 2012-09-14 ビームフォーミング基盤の無線通信システムにおけるビームを選択するための装置及び方法
CN201280055908.1A CN103931112B (zh) 2011-09-15 2012-09-14 用于在波束形成无线通信系统中进行波束选择的装置和方法
PCT/KR2012/007387 WO2013039355A2 (en) 2011-09-15 2012-09-14 Apparatus and method for beam selecting in beamformed wireless communication system
US13/618,301 US8983547B2 (en) 2011-09-15 2012-09-14 Apparatus and method for beam selecting in beamformed wireless communication system

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR20110092906 2011-09-15
KR1020110092906 2011-09-15

Publications (2)

Publication Number Publication Date
KR20130029745A KR20130029745A (ko) 2013-03-25
KR101966724B1 true KR101966724B1 (ko) 2019-04-08

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KR1020120102020A Expired - Fee Related KR101966724B1 (ko) 2011-09-15 2012-09-14 빔 포밍 기반의 무선통신시스템에서 빔을 선택하기 위한 장치 및 방법

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Country Link
US (1) US8983547B2 (enExample)
EP (1) EP2756609B1 (enExample)
JP (1) JP6212043B2 (enExample)
KR (1) KR101966724B1 (enExample)
CN (1) CN103931112B (enExample)
WO (1) WO2013039355A2 (enExample)

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US20130072244A1 (en) 2013-03-21
EP2756609B1 (en) 2019-11-06
KR20130029745A (ko) 2013-03-25
JP6212043B2 (ja) 2017-10-11
WO2013039355A3 (en) 2013-05-10
WO2013039355A2 (en) 2013-03-21
EP2756609A4 (en) 2015-04-29
CN103931112B (zh) 2017-03-08
EP2756609A2 (en) 2014-07-23
US8983547B2 (en) 2015-03-17
CN103931112A (zh) 2014-07-16
JP2014530535A (ja) 2014-11-17

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