KR101483668B1 - 다중 입력 다중 출력 통신을 위한 변환-영역 피드백 시그널링 - Google Patents

다중 입력 다중 출력 통신을 위한 변환-영역 피드백 시그널링 Download PDF

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KR101483668B1
KR101483668B1 KR1020097003447A KR20097003447A KR101483668B1 KR 101483668 B1 KR101483668 B1 KR 101483668B1 KR 1020097003447 A KR1020097003447 A KR 1020097003447A KR 20097003447 A KR20097003447 A KR 20097003447A KR 101483668 B1 KR101483668 B1 KR 101483668B1
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channel
transmitter
receiver
coefficients
array
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KR20090042798A (ko
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필립포 토사토
티모씨 제이. 모울스리
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코닌클리케 필립스 엔.브이.
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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
    • H04B7/0632—Channel quality parameters, e.g. channel quality indicator [CQI]
    • 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
    • H04B7/0617—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
    • H04B7/0613—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
    • H04B7/0615—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
    • H04B7/0613—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
    • H04B7/0636—Feedback format
    • H04B7/0639—Using selective indices, e.g. of a codebook, e.g. pre-distortion matrix index [PMI] or for beam selection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202—Channel estimation
    • H04L25/0224—Channel estimation using sounding signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/30—Monitoring; Testing of propagation channels
    • H04B17/309—Measuring or estimating channel quality parameters
    • H04B17/336—Signal-to-interference ratio [SIR] or carrier-to-interference ratio [CIR]
    • 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

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Power Engineering (AREA)
  • Quality & Reliability (AREA)
  • Electromagnetism (AREA)
  • Radio Transmission System (AREA)
  • Mobile Radio Communication Systems (AREA)
KR1020097003447A 2006-08-21 2007-08-20 다중 입력 다중 출력 통신을 위한 변환-영역 피드백 시그널링 Active KR101483668B1 (ko)

Applications Claiming Priority (11)

Application Number Priority Date Filing Date Title
EP06119257 2006-08-21
EP06119257.1 2006-08-21
EP06119316 2006-08-22
EP06119316.5 2006-08-22
EP06121757.6 2006-10-04
EP06121757 2006-10-04
EP06123530 2006-11-06
EP06123530.5 2006-11-06
EP07301009.2 2007-04-30
EP07301009 2007-04-30
PCT/IB2007/053302 WO2008023315A2 (en) 2006-08-21 2007-08-20 Transform-domain feedback signaling for mimo communication

Publications (2)

Publication Number Publication Date
KR20090042798A KR20090042798A (ko) 2009-04-30
KR101483668B1 true KR101483668B1 (ko) 2015-01-16

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US (2) US9231683B2 (https=)
EP (1) EP2057760B1 (https=)
JP (1) JP5244104B2 (https=)
KR (1) KR101483668B1 (https=)
CN (1) CN101507141B (https=)
WO (1) WO2008023315A2 (https=)

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KR20090097754A (ko) * 2008-03-11 2009-09-16 엘지전자 주식회사 무선 통신 네트워크에서의 빔 트래킹 방법
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WO2014040771A1 (en) * 2012-09-11 2014-03-20 Telefonaktiebolaget Lm Ericsson (Publ) Finding channel state information with reduced codebook in a multi-antenna wireless communication system
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US9083387B2 (en) * 2012-12-18 2015-07-14 Samsung Electronics Co., Ltd. Communication system with compound coding mechanism and method of operation thereof
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US9065498B1 (en) 2013-10-09 2015-06-23 Sprint Communications Company L.P. Dynamic assignment of MIMO modes for a wireless communication device
US10277295B2 (en) * 2014-01-29 2019-04-30 The Boeing Company Simultaneous nulling and beamfocusing from disparate antennas
WO2015119316A1 (ko) * 2014-02-10 2015-08-13 한국과학기술원 Massive MIMO 하향링크를 위한 두 단계 빔포머 기반의 사용자 스케줄링 방법, 장치 및 기록매체
RU2653466C1 (ru) * 2014-04-30 2018-05-08 Хуавей Текнолоджиз Ко., Лтд. Способ измерения канала, устройство измерения канала, абонентская станция и система
RU2673465C2 (ru) * 2014-05-29 2018-11-27 Сони Корпорейшн Устройство
CN107076824B (zh) * 2014-11-12 2020-04-14 华为技术有限公司 用于确定支撑角以进行多输入多输出下行传输的装置和方法
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CN107171700B (zh) * 2016-03-08 2021-09-07 索尼公司 用于具有多个天线的通信装置的电子设备和通信方法
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Publication number Publication date
JP5244104B2 (ja) 2013-07-24
EP2057760A2 (en) 2009-05-13
JP2010502080A (ja) 2010-01-21
EP2057760B1 (en) 2017-10-11
WO2008023315A3 (en) 2008-05-15
KR20090042798A (ko) 2009-04-30
US20160105225A1 (en) 2016-04-14
CN101507141B (zh) 2013-06-19
US9231683B2 (en) 2016-01-05
US20090252251A1 (en) 2009-10-08
WO2008023315A2 (en) 2008-02-28
US10097246B2 (en) 2018-10-09
CN101507141A (zh) 2009-08-12

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