EP2742714A4 - Methods of channel state information feedback and transmission in coordinated multi-point wireless communications system - Google Patents

Methods of channel state information feedback and transmission in coordinated multi-point wireless communications system

Info

Publication number
EP2742714A4
EP2742714A4 EP12823759.1A EP12823759A EP2742714A4 EP 2742714 A4 EP2742714 A4 EP 2742714A4 EP 12823759 A EP12823759 A EP 12823759A EP 2742714 A4 EP2742714 A4 EP 2742714A4
Authority
EP
European Patent Office
Prior art keywords
transmission
methods
state information
wireless communications
communications system
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.)
Withdrawn
Application number
EP12823759.1A
Other languages
German (de)
French (fr)
Other versions
EP2742714A1 (en
Inventor
Tazeh Mahalleh Masoud Ebrahimi
Shiwei Gao
Yongkang Jia
Tarik Tabet
Hua Xu
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BlackBerry Ltd
Original Assignee
BlackBerry Ltd
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
Priority claimed from US13/545,632 external-priority patent/US9025574B2/en
Application filed by BlackBerry Ltd filed Critical BlackBerry Ltd
Publication of EP2742714A1 publication Critical patent/EP2742714A1/en
Publication of EP2742714A4 publication Critical patent/EP2742714A4/en
Withdrawn legal-status Critical Current

Links

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
    • H04B7/022—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
    • H04B7/0456—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
    • 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
    • H04B7/06—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
    • 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]

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Mobile Radio Communication Systems (AREA)
EP12823759.1A 2011-08-12 2012-08-08 Methods of channel state information feedback and transmission in coordinated multi-point wireless communications system Withdrawn EP2742714A4 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US201161523056P 2011-08-12 2011-08-12
US201161541387P 2011-09-30 2011-09-30
US13/545,632 US9025574B2 (en) 2011-08-12 2012-07-10 Methods of channel state information feedback and transmission in coordinated multi-point wireless communications system
PCT/CA2012/050538 WO2013023290A1 (en) 2011-08-12 2012-08-08 Methods of channel state information feedback and transmission in coordinated multi-point wireless communications system

Publications (2)

Publication Number Publication Date
EP2742714A1 EP2742714A1 (en) 2014-06-18
EP2742714A4 true EP2742714A4 (en) 2015-04-01

Family

ID=47714649

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12823759.1A Withdrawn EP2742714A4 (en) 2011-08-12 2012-08-08 Methods of channel state information feedback and transmission in coordinated multi-point wireless communications system

Country Status (5)

Country Link
EP (1) EP2742714A4 (en)
KR (1) KR101581601B1 (en)
CN (1) CN103959839A (en)
CA (1) CA2844743A1 (en)
WO (1) WO2013023290A1 (en)

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US8797966B2 (en) 2011-09-23 2014-08-05 Ofinno Technologies, Llc Channel state information transmission
US8885569B2 (en) 2011-12-19 2014-11-11 Ofinno Technologies, Llc Beamforming signaling in a wireless network
US9337973B2 (en) 2012-09-11 2016-05-10 Industrial Technology Research Institute Method of cooperative MIMO wireless communication and base station using the same
KR102064939B1 (en) * 2013-08-07 2020-01-13 삼성전자 주식회사 Method and apparatus for transmitting and receivintg feedback information in mobile communication system based on 2 dimensional massive mimo
US9461727B2 (en) * 2013-09-05 2016-10-04 Intel Corporation Adaptive sectorization of a spational region for parallel multi-user transmissions
CN104811285A (en) * 2014-01-23 2015-07-29 华为技术有限公司 Cooperative communication method and equipment
WO2015135157A1 (en) * 2014-03-12 2015-09-17 华为技术有限公司 Channel quality indicator feedback method, resource scheduling information sending method and apparatuses
US10057828B2 (en) 2014-06-02 2018-08-21 Intel IP Corporation Communication systems and methods
EP3160210B1 (en) 2014-07-11 2019-10-09 Huawei Technologies Co. Ltd. Data transmission method, user equipment and base station
US9509486B2 (en) * 2014-08-04 2016-11-29 Qualcomm Incorporated Techniques for indicating a frame format for transmissions using unlicensed radio frequency spectrum bands
KR102375757B1 (en) * 2014-11-07 2022-03-18 한국전자통신연구원 Method and apparatus for generating CSI report
WO2016109921A1 (en) * 2015-01-05 2016-07-14 华为技术有限公司 Data transmission method, station, access point and access controller
CN105873236A (en) * 2015-01-23 2016-08-17 中兴通讯股份有限公司 Connection establishing method and device
WO2017017564A1 (en) * 2015-07-25 2017-02-02 Mariana Goldhamer Coupling loss in wireless networks
CN107171699A (en) * 2016-03-03 2017-09-15 华为技术有限公司 The method and apparatus for transmitting data
EP3496291A4 (en) 2016-08-05 2019-10-23 Huawei Technologies Co., Ltd. Data processing method, transmission control apparatus, and receiver
CN109565493B (en) * 2016-08-10 2022-07-05 株式会社Ntt都科摩 User terminal and wireless communication method
WO2018027908A1 (en) 2016-08-12 2018-02-15 Qualcomm Incorporated Dynamic multi-beam transmission for new radio technology multiple-input multiple-output
WO2018082209A1 (en) * 2016-11-03 2018-05-11 华为技术有限公司 Method for switching states, network device, and terminal device
JP7170636B2 (en) 2016-11-04 2022-11-14 テレフオンアクチーボラゲット エルエム エリクソン（パブル） PT-RS configuration according to scheduling parameters
CN108271257B (en) 2016-12-31 2021-07-09 华为技术有限公司 Resource allocation method and device
CN108737040B (en) * 2017-04-14 2020-12-25 华为技术有限公司 Transmission method, terminal and network equipment
CN108112077B (en) * 2017-05-05 2024-02-27 中兴通讯股份有限公司 Resource allocation method and device
WO2018231001A1 (en) * 2017-06-15 2018-12-20 엘지전자(주) Method for performing coordinated transmission in wireless communication system and apparatus therefor
CN109150268B (en) * 2017-06-16 2021-03-23 华为技术有限公司 Channel state information feedback and receiving method, receiving terminal equipment and sending terminal equipment
WO2019028879A1 (en) * 2017-08-11 2019-02-14 Zte Corporation System and method for determining a channel quality indicator (cqi) index value
US10454538B2 (en) * 2017-09-08 2019-10-22 Qualcomm Incorporated Methods and systems for joint access point MIMO transmissions
CN108174429A (en) * 2018-01-19 2018-06-15 成都英格思科技有限责任公司 A kind of relay node selecting method based on spatial modulation decode-and-forward relay system
US10778316B2 (en) * 2018-04-05 2020-09-15 Qualcomm Incorporated Hybrid closed-loop and open-loop multiple-input multiple-output scheme in new radio
US10680682B2 (en) * 2018-05-11 2020-06-09 Qualcomm Incorporated Channel state information feedback for multi-transmission/reception point transmission in new radio
CN109472239B (en) * 2018-10-28 2021-10-01 中国人民解放军空军工程大学 Individual identification method of frequency hopping radio station
KR20200063008A (en) * 2018-11-27 2020-06-04 삼성전자주식회사 Method and apparatus for transmission and reception of harq-ack feedback in wireless communication systems
CN111294886B (en) * 2020-02-10 2022-03-25 广东工业大学 Mobile edge calculation method and device based on wireless energy drive
CN116114183A (en) * 2020-10-21 2023-05-12 华为技术有限公司 Information transmission method, related device and equipment
CN115866779B (en) * 2022-11-22 2024-05-14 三维通信股份有限公司 Control method and device for downlink scheduling of base station, storage medium and electronic device

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US8259651B2 (en) * 2008-03-25 2012-09-04 Samsung Electronics Co., Ltd. System and method for multiplexing on an LTE uplink control channel
US9019902B2 (en) * 2008-11-11 2015-04-28 Qualcomm Incorporated Channel quality feedback in multicarrier systems
US9019903B2 (en) * 2008-12-08 2015-04-28 Qualcomm Incorporated Optimization to support uplink coordinated multi-point
CN101771437A (en) * 2008-12-31 2010-07-07 中兴通讯股份有限公司 Transmission method for dedicated pilot frequency
CN101834642B (en) * 2009-03-13 2014-06-11 夏普株式会社 MIMO (Multiple Input Multiple Output) transmission method, base station device and communication system
WO2010123297A2 (en) * 2009-04-22 2010-10-28 엘지전자 주식회사 Method for transmitting feedback information and data using a precoding codebook for multicell cooperative communication in a wireless communication system
US8917707B2 (en) * 2009-04-24 2014-12-23 Samsung Electronics Co., Ltd. Techniques for channel state information feedback in wireless communication system
KR101769380B1 (en) * 2009-11-05 2017-08-18 엘지전자 주식회사 Method for transmitting channel quality information, and apparatus for same
KR101754970B1 (en) * 2010-01-12 2017-07-06 삼성전자주식회사 DEVICE AND METHOD FOR COMMUNCATING CSI-RS(Channel State Information reference signal) IN WIRELESS COMMUNICATION SYSTEM
CN102082639B (en) * 2010-11-08 2014-01-29 大唐移动通信设备有限公司 Channel state information transmitting method and equipment
CN102045762B (en) * 2010-12-02 2013-07-24 大唐移动通信设备有限公司 Method and device for reporting channel state

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Also Published As

Publication number Publication date
KR101581601B1 (en) 2015-12-30
KR20140061449A (en) 2014-05-21
WO2013023290A1 (en) 2013-02-21
CN103959839A (en) 2014-07-30
EP2742714A1 (en) 2014-06-18
CA2844743A1 (en) 2013-02-21

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