CN105637772A - 用于信道状态信息反馈的方法和装置 - Google Patents

用于信道状态信息反馈的方法和装置 Download PDF

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Publication number
CN105637772A
CN105637772A CN201480056923.7A CN201480056923A CN105637772A CN 105637772 A CN105637772 A CN 105637772A CN 201480056923 A CN201480056923 A CN 201480056923A CN 105637772 A CN105637772 A CN 105637772A
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CN
China
Prior art keywords
message
field
csi
ctx
transmitting
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
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CN201480056923.7A
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English (en)
Chinese (zh)
Inventor
S·莫林
G·D·巴里克
H·萨姆帕斯
S·韦玛尼
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Qualcomm Inc
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Qualcomm Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Qualcomm Inc filed Critical Qualcomm Inc
Publication of CN105637772A publication Critical patent/CN105637772A/zh
Pending legal-status Critical Current

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Classifications

    • 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
    • H04B7/022—Site diversity; Macro-diversity
    • H04B7/024—Co-operative use of antennas of several sites, e.g. in co-ordinated multipoint or co-operative multiple-input multiple-output [MIMO] 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
    • H04B7/0413—MIMO systems
    • H04B7/0452—Multi-user MIMO systems
    • 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
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/12—Wireless traffic scheduling
    • 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
    • H04L1/0027—Scheduling of signalling, e.g. occurrence thereof

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
CN201480056923.7A 2013-10-17 2014-10-15 用于信道状态信息反馈的方法和装置 Pending CN105637772A (zh)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201361892314P 2013-10-17 2013-10-17
US61/892,314 2013-10-17
US14/513,654 2014-10-14
US14/513,654 US20150110046A1 (en) 2013-10-17 2014-10-14 Methods and apparatus for channel state information feedback
PCT/US2014/060592 WO2015057772A1 (en) 2013-10-17 2014-10-15 Methods and apparatus for channel state information feedback

Publications (1)

Publication Number Publication Date
CN105637772A true CN105637772A (zh) 2016-06-01

Family

ID=52826106

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201480056923.7A Pending CN105637772A (zh) 2013-10-17 2014-10-15 用于信道状态信息反馈的方法和装置

Country Status (9)

Country Link
US (1) US20150110046A1 (enExample)
EP (1) EP3058666A1 (enExample)
JP (1) JP2016540411A (enExample)
KR (1) KR20160074533A (enExample)
CN (1) CN105637772A (enExample)
BR (1) BR112016008545A2 (enExample)
CA (1) CA2926091A1 (enExample)
TW (1) TW201521377A (enExample)
WO (1) WO2015057772A1 (enExample)

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CN106712815A (zh) * 2017-01-18 2017-05-24 西安交通大学 一种基于有效期检查的csi反馈开销降低方法
CN109510649A (zh) * 2018-12-28 2019-03-22 西安交通大学 基于csi准确性、有效性及稳定性的mu-mimo网络的数据传输方法
CN110784875A (zh) * 2018-07-26 2020-02-11 联发科技（新加坡）私人有限公司 无线局域网中的无线通信方法及装置

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CN109245806B (zh) * 2013-06-25 2020-01-17 华为技术有限公司 上行多用户数据传输方法及上行多用户输入输出系统
WO2015102180A1 (ko) * 2014-01-06 2015-07-09 엘지전자 주식회사 무선 통신 시스템에서 사운딩 방법 및 장치
US9479240B1 (en) * 2014-01-31 2016-10-25 Quantenna Communications, Inc. Composite beamforming to coordinate concurrent WLAN links
US10034288B2 (en) * 2014-03-03 2018-07-24 Lg Electronics Inc. Method and apparatus for transmitting frame in wireless LAN
WO2015190698A1 (ko) * 2014-06-09 2015-12-17 엘지전자 주식회사 프레임을 수신하는 방법 및 장치
US20150372795A1 (en) * 2014-06-18 2015-12-24 Mediatek Singapore Pte. Ltd. CSI Feedback Modes and Indication for Sub Channel Feedback in OFDMA Systems
CN107079485B (zh) 2014-06-27 2020-10-30 泰科弗勒克斯公司 用于发送数据的方法和装置
KR102550558B1 (ko) * 2014-06-27 2023-07-05 주식회사 윌러스표준기술연구소 데이터 동시 전송을 위한 무선 통신 방법 및 이를 이용한 무선 통신 단말
CN107431584B (zh) 2014-12-05 2020-11-03 马维尔国际有限公司 用于在无线通信网络中进行通信的方法和装置
US10200101B2 (en) 2015-03-02 2019-02-05 Qualcomm Incorporated Methods and apparatus for channel state information sounding and feedback
US10111132B2 (en) 2015-03-02 2018-10-23 Qualcomm Incorporated Methods and apparatus for channel state information sounding and feedback
US10201017B2 (en) 2015-04-09 2019-02-05 Marvell World Trade Ltd. Contention-based orthogonal frequency division multiple access (OFDMA) communication
US10285187B2 (en) * 2015-05-05 2019-05-07 Qualcomm Incorporated Methods and apparatus for multiple user uplink
US10135957B2 (en) 2015-06-15 2018-11-20 Qualcomm Incorporated Methods and apparatus for communicating high efficiency control information
AU2015401078B2 (en) * 2015-07-02 2019-04-18 Huawei Technologies Co., Ltd. Method, access point, and station for transmitting channel state information
US20170054542A1 (en) * 2015-08-19 2017-02-23 Qualcomm Incorporated Sounding design for channel feedback
EP3345422B1 (en) * 2015-08-31 2020-09-09 Panasonic Intellectual Property Management Co., Ltd. Sounding method for uplink multiuser communications
US10291299B2 (en) 2015-09-07 2019-05-14 Kabushiki Kaisha Toshiba Wireless communication device
CN113839760B (zh) * 2015-09-25 2023-03-28 中兴通讯股份有限公司 数据传输方法和节点
US9577728B1 (en) 2015-09-25 2017-02-21 Qualcomm Incorporated Multiple user MIMO rate prediction based on single user SNR feedback
US10143003B2 (en) * 2015-10-15 2018-11-27 Samsung Electronics Co., Ltd. Methods and apparatus for beamforming feedback in wireless systems
US10383092B2 (en) * 2015-11-03 2019-08-13 Qualcomm Incorporated Beamforming report structure
US10742285B1 (en) 2015-11-13 2020-08-11 Marvell International Ltd. Explicit multiuser beamforming training in a wireless local area network
EP3402257B1 (en) * 2016-01-07 2025-09-03 Panasonic Intellectual Property Management Co., Ltd. Communication device and communication method
CN107027145B (zh) * 2016-02-01 2021-01-01 华为技术有限公司 信道测量方法及装置
US20170279587A1 (en) * 2016-03-22 2017-09-28 Chittabrata Ghosh Method of sounding using manipulated null data packets (ndp)
US10517006B2 (en) 2016-04-13 2019-12-24 Qualcomm Incorporated Techniques for reporting channel feedback in wireless communications
US10911120B2 (en) * 2017-07-24 2021-02-02 Qualcomm Incorporated Downlink (DL) coordinated beamforming protocols for WiFi
WO2020176704A1 (en) * 2019-02-27 2020-09-03 Northeastern University Method for spectrum sharing by primary and secondary networks based on cognitive beamforming
CN112188563B (zh) * 2019-07-02 2024-10-18 华为技术有限公司 协作通信方法、装置及系统
US11716121B2 (en) * 2019-10-25 2023-08-01 Intel Corporation NDPA for multi-AP coordinated beamforming (CBF) and multi-AP joint transmission (JT) in EHT
US11546023B2 (en) * 2020-09-28 2023-01-03 Newracom, Inc. Frame exchange method for beamforming

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CN102237920A (zh) * 2010-04-28 2011-11-09 英特尔公司 上行链路mu mimo媒体访问和错误恢复的系统和方法
CN102783105A (zh) * 2010-02-17 2012-11-14 高通股份有限公司 用于在多用户通信系统中支持自适应信道状态信息反馈速率的方法和装置
CN103039029A (zh) * 2010-07-28 2013-04-10 高通股份有限公司 用于信道状态信息反馈的协议

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US20070153731A1 (en) * 2006-01-05 2007-07-05 Nadav Fine Varying size coefficients in a wireless local area network return channel
US8848816B2 (en) * 2008-05-21 2014-09-30 Qualcomm Incorporated Method and apparatus for determining the spatial channels in a spatial division multiple access (SDMA)-based wireless communication system
US9112741B2 (en) * 2009-09-18 2015-08-18 Qualcomm Incorporated Protocol to support adaptive station-dependent channel state information feedback rate in multi-user communication systems
US8811200B2 (en) * 2009-09-22 2014-08-19 Qualcomm Incorporated Physical layer metrics to support adaptive station-dependent channel state information feedback rate in multi-user communication systems
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US9077498B2 (en) * 2010-09-29 2015-07-07 Qualcomm Incorporated Systems and methods for communication of channel state information
JP5898376B2 (ja) * 2012-04-30 2016-04-06 インターデイジタル パテント ホールディングス インコーポレイテッド ＣＯＢＲＡ（ｃｏｏｒｄｉｎａｔｅｄｏｒｔｈｏｇｏｎａｌｂｌｏｃｋ−ｂａｓｅｄｒｅｓｏｕｒｃｅａｌｌｏｃａｔｉｏｎ）動作をサポートする方法および装置

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CN102783105A (zh) * 2010-02-17 2012-11-14 高通股份有限公司 用于在多用户通信系统中支持自适应信道状态信息反馈速率的方法和装置
CN102237920A (zh) * 2010-04-28 2011-11-09 英特尔公司 上行链路mu mimo媒体访问和错误恢复的系统和方法
CN103039029A (zh) * 2010-07-28 2013-04-10 高通股份有限公司 用于信道状态信息反馈的协议

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106712815A (zh) * 2017-01-18 2017-05-24 西安交通大学 一种基于有效期检查的csi反馈开销降低方法
CN106712815B (zh) * 2017-01-18 2020-06-19 西安交通大学 一种基于有效期检查的csi反馈开销降低方法
CN110784875A (zh) * 2018-07-26 2020-02-11 联发科技（新加坡）私人有限公司 无线局域网中的无线通信方法及装置
CN109510649A (zh) * 2018-12-28 2019-03-22 西安交通大学 基于csi准确性、有效性及稳定性的mu-mimo网络的数据传输方法
CN109510649B (zh) * 2018-12-28 2021-02-09 西安交通大学 基于csi准确性、有效性及稳定性的mu-mimo网络的数据传输方法

Also Published As

Publication number Publication date
CA2926091A1 (en) 2015-04-23
US20150110046A1 (en) 2015-04-23
TW201521377A (zh) 2015-06-01
JP2016540411A (ja) 2016-12-22
WO2015057772A1 (en) 2015-04-23
EP3058666A1 (en) 2016-08-24
BR112016008545A2 (pt) 2017-09-12
KR20160074533A (ko) 2016-06-28

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