CA2844743A1 - 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 Download PDF

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Publication number
CA2844743A1
CA2844743A1 CA2844743A CA2844743A CA2844743A1 CA 2844743 A1 CA2844743 A1 CA 2844743A1 CA 2844743 A CA2844743 A CA 2844743A CA 2844743 A CA2844743 A CA 2844743A CA 2844743 A1 CA2844743 A1 CA 2844743A1
Authority
CA
Canada
Prior art keywords
transmission
feedback
cqi
pmi
sub
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
CA2844743A
Other languages
English (en)
French (fr)
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 claimed from US13/545,632 external-priority patent/US9025574B2/en
Application filed by BlackBerry Ltd filed Critical BlackBerry Ltd
Publication of CA2844743A1 publication Critical patent/CA2844743A1/en
Abandoned 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)
CA2844743A 2011-08-12 2012-08-08 Methods of channel state information feedback and transmission in coordinated multi-point wireless communications system Abandoned CA2844743A1 (en)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
US201161523056P 2011-08-12 2011-08-12
US61/523,056 2011-08-12
US201161541387P 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 (en) 2011-08-12 2012-08-08 Methods of channel state information feedback and transmission in coordinated multi-point wireless communications system

Publications (1)

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

Family

ID=47714649

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2844743A Abandoned CA2844743A1 (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 (ko)
KR (1) KR101581601B1 (ko)
CN (1) CN103959839A (ko)
CA (1) CA2844743A1 (ko)
WO (1) WO2013023290A1 (ko)

Families Citing this family (35)

* 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
US8848673B2 (en) 2011-12-19 2014-09-30 Ofinno Technologies, Llc Beam information exchange between base stations
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 (ko) 2013-08-07 2020-01-13 삼성전자 주식회사 다수의 이차원 배열 안테나를 사용하는 이동통신 시스템에서의 피드백 송수신 방법 및 장치
CN105474556B (zh) * 2013-09-05 2019-10-22 英特尔公司 用于空间区域的适应性扇区化的节点、方法和系统
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
EP3119009B1 (en) * 2014-03-12 2021-07-28 Huawei Technologies Co., Ltd. Apparatus and method for channel quality indicator feedback
US10057828B2 (en) 2014-06-02 2018-08-21 Intel IP Corporation Communication systems and methods
KR20170028983A (ko) * 2014-07-11 2017-03-14 후아웨이 테크놀러지 컴퍼니 리미티드 데이터 전송 방법, 사용자 장비, 및 기지국
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 (ko) * 2014-11-07 2022-03-18 한국전자통신연구원 채널 상태 정보 리포트 생성 방법 및 장치
WO2016109921A1 (zh) * 2015-01-05 2016-07-14 华为技术有限公司 数据传输的方法、站点、接入点和接入控制器
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 (en) * 2015-07-25 2017-02-02 Mariana Goldhamer Coupling loss in wireless networks
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
CN109429550B (zh) * 2016-08-05 2021-02-09 华为技术有限公司 数据处理方法、传输控制设备和接收端
FI3499828T3 (fi) * 2016-08-10 2023-03-20 Ntt Docomo Inc Käyttäjäterminaali ja langaton kommunikaatiomenetelmä
WO2018027908A1 (en) * 2016-08-12 2018-02-15 Qualcomm Incorporated Dynamic multi-beam transmission for new radio technology multiple-input multiple-output
US20190253876A1 (en) * 2016-11-03 2019-08-15 Huawei Technologies Co., Ltd. Status Switching Method, Network Device, and Terminal Device
MX2019005177A (es) 2016-11-04 2019-08-05 Ericsson Telefon Ab L M Configuracion de pt-rs dependiendo de parametros de programacion.
CN108271257B (zh) 2016-12-31 2021-07-09 华为技术有限公司 一种资源配置方法及装置
CN108737040B (zh) * 2017-04-14 2020-12-25 华为技术有限公司 传输方法、终端和网络设备
CN108112077B (zh) * 2017-05-05 2024-02-27 中兴通讯股份有限公司 资源分配方法及装置
WO2018231001A1 (ko) * 2017-06-15 2018-12-20 엘지전자(주) 무선 통신 시스템에서 협력 전송 수행 방법 및 이를 위한 장치
CN109150268B (zh) * 2017-06-16 2021-03-23 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
CN110999366B (zh) * 2017-08-11 2022-04-05 中兴通讯股份有限公司 用于确定信道质量指示符(cqi)索引值的系统和方法
US10454538B2 (en) * 2017-09-08 2019-10-22 Qualcomm Incorporated Methods and systems for joint access point MIMO transmissions
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
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 (zh) * 2018-10-28 2021-10-01 中国人民解放军空军工程大学 一种跳频电台个体识别方法
KR20200063008A (ko) * 2018-11-27 2020-06-04 삼성전자주식회사 무선 통신 시스템에서 harq-ack 피드백을 송수신하는 방법 및 장치
CN111294886B (zh) * 2020-02-10 2022-03-25 广东工业大学 一种基于无线能量驱动的移动边缘计算方法及装置
CN116114183A (zh) * 2020-10-21 2023-05-12 华为技术有限公司 一种信息传输的方法、相关装置以及设备
CN115866779B (zh) * 2022-11-22 2024-05-14 三维通信股份有限公司 基站下行调度的控制方法、装置、存储介质和电子装置

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

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Legal Events

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EEER Examination request

Effective date: 20140210

FZDE Discontinued

Effective date: 20181010