CA2844743A1 - Procedes de renvoi d'informations d'etat de canaux et d'emission dans un systeme de communications sans fil multipoint coordonne - Google Patents

Procedes de renvoi d'informations d'etat de canaux et d'emission dans un systeme de communications sans fil multipoint coordonne Download PDF

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Publication number
CA2844743A1
CA2844743A1 CA 2844743 CA2844743A CA2844743A1 CA 2844743 A1 CA2844743 A1 CA 2844743A1 CA 2844743 CA2844743 CA 2844743 CA 2844743 A CA2844743 A CA 2844743A CA 2844743 A1 CA2844743 A1 CA 2844743A1
Authority
CA
Canada
Prior art keywords
transmission
ue
method
feedback
tp
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.)
Abandoned
Application number
CA 2844743
Other languages
English (en)
Inventor
Masoud Ebrahimi Tazeh Mahalleh
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 to US201161523056P priority Critical
Priority to US61/523,056 priority
Priority to US201161541387P priority
Priority to US61/541,387 priority
Priority to US13/545,632 priority patent/US9025574B2/en
Priority to US13/545,632 priority
Application filed by BlackBerry Ltd filed Critical BlackBerry Ltd
Priority to PCT/CA2012/050538 priority patent/WO2013023290A1/fr
Publication of CA2844743A1 publication Critical patent/CA2844743A1/fr
Application status is Abandoned legal-status Critical

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/022Site diversity; Macro-diversity
    • H04B7/024Co-operative use of antennas of several sites, e.g. in co-ordinated multipoint or co-operative multiple-input multiple-output [MIMO] systems
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0413MIMO systems
    • H04B7/0456Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613Diversity 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
    • H04B7/0615Diversity 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
    • H04B7/0619Diversity 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
    • H04B7/0621Feedback content
    • H04B7/0632Channel quality parameters, e.g. channel quality indicator [CQI]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613Diversity 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
    • H04B7/0615Diversity 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
    • H04B7/0619Diversity 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
    • H04B7/0636Feedback format
    • H04B7/0639Using selective indices, e.g. of a codebook, e.g. pre-distortion matrix index [PMI] or for beam selection
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613Diversity 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
    • H04B7/0615Diversity 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
    • H04B7/0619Diversity 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
    • H04B7/0658Feedback reduction
    • H04B7/066Combined feedback for a number of channels, e.g. over several subcarriers like in orthogonal frequency division multiplexing [OFDM]
CA 2844743 2011-08-12 2012-08-08 Procedes de renvoi d'informations d'etat de canaux et d'emission dans un systeme de communications sans fil multipoint coordonne Abandoned CA2844743A1 (fr)

Priority Applications (7)

Application Number Priority Date Filing Date Title
US201161523056P true 2011-08-12 2011-08-12
US61/523,056 2011-08-12
US201161541387P true 2011-09-30 2011-09-30
US61/541,387 2011-09-30
US13/545,632 2012-07-10
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 (fr) 2011-08-12 2012-08-08 Procédés de renvoi d'informations d'état de canaux et d'émission dans un système de communications sans fil multipoint coordonné

Publications (1)

Publication Number Publication Date
CA2844743A1 true CA2844743A1 (fr) 2013-02-21

Family

ID=47714649

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2844743 Abandoned CA2844743A1 (fr) 2011-08-12 2012-08-08 Procedes de renvoi d'informations d'etat de canaux et d'emission dans un systeme de communications sans fil multipoint coordonne

Country Status (5)

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

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN105612780A (zh) * 2013-08-07 2016-05-25 三星电子株式会社 基于二维大规模多输入多输出在移动通信系统中发射和接收反馈信息的方法和装置
WO2015034503A1 (fr) * 2013-09-05 2015-03-12 Intel Corporation Sectorisation adaptative d'une région spatiale pour transmissions multi-utilisateurs en parallèle
CN104811285A (zh) * 2014-01-23 2015-07-29 华为技术有限公司 一种协作通信方法及设备
CN105144601B (zh) * 2014-03-12 2018-12-25 华为技术有限公司 信道质量指示反馈方法和装置
US10057828B2 (en) 2014-06-02 2018-08-21 Intel IP Corporation Communication systems and methods
WO2016004614A1 (fr) * 2014-07-11 2016-01-14 华为技术有限公司 Procédé de transmission de données, équipement utilisateur et station de base
WO2016109921A1 (fr) * 2015-01-05 2016-07-14 华为技术有限公司 Procédé de transmission de données, station, point d'accès et dispositif de commande d'accès
CN105873236A (zh) * 2015-01-23 2016-08-17 中兴通讯股份有限公司 连接建立方法及装置
WO2017017564A1 (fr) * 2015-07-25 2017-02-02 Mariana Goldhamer Perte de couplage dans des réseaux sans fil
CN107171699A (zh) * 2016-03-03 2017-09-15 华为技术有限公司 传输数据的方法和装置
CN109429550A (zh) * 2016-08-05 2019-03-05 华为技术有限公司 数据处理方法、传输控制设备和接收端
US20190253876A1 (en) * 2016-11-03 2019-08-15 Huawei Technologies Co., Ltd. Status Switching Method, Network Device, and Terminal Device
WO2018231001A1 (fr) * 2017-06-15 2018-12-20 엘지전자(주) Procédé de réalisation de transmission coordonnée dans un système de communication sans fil et appareil pour cela
CN109150268A (zh) * 2017-06-16 2019-01-04 华为技术有限公司 信道状态信息反馈和接收方法、接收端设备和发送端设备
CN108174429A (zh) * 2018-01-19 2018-06-15 成都英格思科技有限责任公司 一种基于空间调制解码转发中继系统的中继节点选择方法
US20190349033A1 (en) * 2018-05-11 2019-11-14 Qualcomm Incorporated Channel state information feedback for multi-transmission/reception point transmission in new radio

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080031369A1 (en) * 2006-06-07 2008-02-07 Li Ye Geoffrey Apparatus and methods for multi-carrier wireless access with energy spreading
JP5006001B2 (ja) * 2006-08-22 2012-08-22 株式会社エヌ・ティ・ティ・ドコモ 下りリンクmimo伝送制御方法および基地局装置
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 (zh) * 2008-12-31 2010-07-07 中兴通讯股份有限公司 一种专用导频的传输方法
CN101834642B (zh) * 2009-03-13 2014-06-11 夏普株式会社 多输入多输出传输方法、基站设备和通信系统
KR101549024B1 (ko) * 2009-04-22 2015-09-01 엘지전자 주식회사 무선 통신 시스템에서 다중 셀 협력 통신을 위한 프리코딩 코드북을 이용하여 피드백 정보 및 데이터를 전송하는 방법
US8917707B2 (en) * 2009-04-24 2014-12-23 Samsung Electronics Co., Ltd. Techniques for channel state information feedback in wireless communication system
KR101715939B1 (ko) * 2009-06-18 2017-03-14 엘지전자 주식회사 채널 상태 정보 피드백 방법 및 장치
KR101769380B1 (ko) * 2009-11-05 2017-08-18 엘지전자 주식회사 채널 품질 정보의 전송 방법 및 이를 위한 장치
KR101754970B1 (ko) * 2010-01-12 2017-07-06 삼성전자주식회사 무선 통신 시스템의 채널 상태 측정 기준신호 처리 장치 및 방법
CN102082639B (zh) * 2010-11-08 2014-01-29 大唐移动通信设备有限公司 信道状态信息的传输方法和设备
CN102045762B (zh) * 2010-12-02 2013-07-24 大唐移动通信设备有限公司 一种上报信道状态的方法及装置

Also Published As

Publication number Publication date
EP2742714A4 (fr) 2015-04-01
WO2013023290A1 (fr) 2013-02-21
CN103959839A (zh) 2014-07-30
KR101581601B1 (ko) 2015-12-30
EP2742714A1 (fr) 2014-06-18
KR20140061449A (ko) 2014-05-21

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Effective date: 20140210

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Effective date: 20181010