CN103493393A8 - 用于多输入多输出（mimo）的空间信道状态信息反馈的方法和系统 - Google Patents

用于多输入多输出（mimo）的空间信道状态信息反馈的方法和系统 Download PDF

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CN103493393A8
CN103493393A8 CN201280018046.5A CN201280018046A CN103493393A8 CN 103493393 A8 CN103493393 A8 CN 103493393A8 CN 201280018046 A CN201280018046 A CN 201280018046A CN 103493393 A8 CN103493393 A8 CN 103493393A8
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discrimination information
spatial discrimination
subscriber equipment
receiver
feedback
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CN103493393A (zh
CN103493393B (zh
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袁弋非
霍大卫
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ZTE Corp
ZTE USA Inc
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ZTE Corp
ZTE USA Inc
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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
    • 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
    • H04B7/0636—Feedback format
    • H04B7/0645—Variable feedback
    • H04B7/065—Variable contents, e.g. long-term or short-short
    • 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
    • H04B7/0658—Feedback reduction
    • H04B7/066—Combined feedback for a number of channels, e.g. over several subcarriers like in orthogonal frequency division multiplexing [OFDM]
    • 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
    • H04B7/0691—Hybrid systems, i.e. switching and simultaneous transmission using subgroups of transmit antennas
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
    • H04L1/0026—Transmission of channel quality indication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
    • H04L1/0028—Formatting
    • H04L1/0029—Reduction of the amount of signalling, e.g. retention of useful signalling or differential signalling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/02—Arrangements for detecting or preventing errors in the information received by diversity reception
    • H04L1/06—Arrangements for detecting or preventing errors in the information received by diversity reception using space diversity
    • 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 signaling, 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
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/08—Testing, supervising or monitoring using real traffic
    • 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

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Quality & Reliability (AREA)
  • Radio Transmission System (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

用于连接用户设备的接收天线和多个发射天线的整个空间信道的空间CSI的反馈的方法和系统。连接用户设备和小区的发射机和接收机处的空间判别信息被作为反馈来提供。利用用户设备提供发射机和接收机侧的每个子信道的空间判别信息作为反馈，可以确定发射天线多个部分上的合成空间CSI。用户设备可能具有一个或多个接收天线，并且所述空间判别信息可以是子带的短期信息。在一些实施方式中，接收机侧的空间判别信息是根据实际的空间信道并同时考虑接收机的实现推导出的。通过使用MIMO预编码的码本，发射机和接收机的空间判别信息可以作为反馈提供。
CN201280018046.5A 2011-04-21 2012-04-18 用于多输入多输出（mimo）的空间信道状态信息反馈的方法和系统 Active CN103493393B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201161477802P 2011-04-21 2011-04-21
US61/477,802 2011-04-21
PCT/US2012/033981 WO2012145342A2 (en) 2011-04-21 2012-04-18 Method and system for spatial channel state information feedback for multiple-input multiple-output (mimo)

Publications (3)

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CN103493393A CN103493393A (zh) 2014-01-01
CN103493393A8 true CN103493393A8 (zh) 2016-07-06
CN103493393B CN103493393B (zh) 2018-02-09

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Country Status (6)

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US (1) US20140056167A1 (zh)
EP (1) EP2700177A4 (zh)
JP (1) JP5865485B2 (zh)
KR (1) KR101580380B1 (zh)
CN (1) CN103493393B (zh)
WO (1) WO2012145342A2 (zh)

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US20150139094A1 (en) * 2012-04-12 2015-05-21 Nokia Solutions And Networks Oy Method of reporting channel state information
CN103812545B (zh) * 2012-11-06 2018-11-16 上海诺基亚贝尔股份有限公司 信道状态信息的反馈方法与装置
EP3672126B1 (en) * 2013-05-31 2021-09-22 QUALCOMM Incorporated Linear precoding in full-dimensional mimo systems
US9350444B2 (en) * 2013-08-22 2016-05-24 Broadcom Corporation Wireless communication device with switched polarization and methods for use therewith
KR102215523B1 (ko) * 2014-03-27 2021-02-15 삼성전자주식회사 무선 통신 시스템에서 채널 정보를 피드백하기 위한 장치 및 방법
US10103798B2 (en) * 2016-09-14 2018-10-16 Samsung Electronics Co., Ltd. Method and apparatus to enable channel compression in advanced wireless communication systems
US10924162B2 (en) 2017-05-05 2021-02-16 At&T Intellectual Property I, L.P. Facilitation of incremental feedback for 5G or other next generation network

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AU2004310933B2 (en) * 2003-12-05 2008-06-12 Qualcomm Incorporated Apparatus and method for transmitting data by selected eigenvector in closed loop MIMO mobile communication system
WO2007015292A1 (ja) * 2005-08-02 2007-02-08 Mitsubishi Denki Kabushiki Kaisha 通信装置および無線通信システム
US7627347B2 (en) * 2006-03-17 2009-12-01 Nokia Corporation Data transmission parameter optimization in MIMO communications system
WO2009002269A1 (en) * 2007-06-23 2008-12-31 Panasonic Corporation Method and system for communication channel optimization in a multiple-input multiple-output (mimo) communication system
US7907677B2 (en) * 2007-08-10 2011-03-15 Intel Corporation Open loop MU-MIMO
US20100032235A1 (en) * 2008-08-08 2010-02-11 Michael Barendregt Safety arrangement for use in constructing a wood frame building
ES2691037T3 (es) * 2009-01-07 2018-11-23 Sun Patent Trust Aparato de comunicación inalámbrica, sistema de comunicación inalámbrica y procedimiento de comunicación inalámbrica
US8600308B2 (en) * 2009-06-17 2013-12-03 Futurewei Technologies, Inc. Channel state information feedback for coordinated multiple points transmission
US8873650B2 (en) * 2009-10-12 2014-10-28 Motorola Mobility Llc Configurable spatial channel information feedback in wireless communication system
KR101871707B1 (ko) * 2010-04-02 2018-06-27 엘지전자 주식회사 무선통신 시스템에서 채널상태정보 피드백 하는 단말 장치 및 그 방법

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Publication number Publication date
KR101580380B1 (ko) 2015-12-23
EP2700177A2 (en) 2014-02-26
JP2014515907A (ja) 2014-07-03
EP2700177A4 (en) 2014-10-08
JP5865485B2 (ja) 2016-02-17
CN103493393A (zh) 2014-01-01
WO2012145342A2 (en) 2012-10-26
CN103493393B (zh) 2018-02-09
WO2012145342A3 (en) 2012-12-27
KR20140023371A (ko) 2014-02-26
US20140056167A1 (en) 2014-02-27

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