BR112012017302A2 - dispositivo e método de retroalimentação de informações de canal para mimo multicelular - Google Patents

dispositivo e método de retroalimentação de informações de canal para mimo multicelular

Info

Publication number
BR112012017302A2
BR112012017302A2 BR112012017302A BR112012017302A BR112012017302A2 BR 112012017302 A2 BR112012017302 A2 BR 112012017302A2 BR 112012017302 A BR112012017302 A BR 112012017302A BR 112012017302 A BR112012017302 A BR 112012017302A BR 112012017302 A2 BR112012017302 A2 BR 112012017302A2
Authority
BR
Brazil
Prior art keywords
feedback
channel
mobile terminal
information feedback
present
Prior art date
Application number
BR112012017302A
Other languages
English (en)
Inventor
Dong Li
Hao Liu
Hongwei Yang
Yang Song
Original Assignee
Alcatel Lucent
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 Alcatel Lucent filed Critical Alcatel Lucent
Publication of BR112012017302A2 publication Critical patent/BR112012017302A2/pt

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
    • H04B7/04—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
    • H04B7/0621—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
    • H04B7/022—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
    • H04B7/0417—Feedback 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
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03891—Spatial equalizers
    • H04L25/03898—Spatial equalizers codebook-based design
    • H04L25/03904—Spatial equalizers codebook-based design cooperative design, e.g. exchanging of codebook information between base stations
    • 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

Landscapes

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

Abstract

dispositvo e método de retroalimentação de informações de canal para mimo multicelular. a presente invenção refere-se a um terminal móvel que é fornecido na presente invenção, que compreende: uma unidade de cálculo de retroalimentação de informações sobre o estado do canal configurada para calcular uma retroalimentação de informações sobre o estado do canal entre o terminal móvel e uma célula servidora do terminal móvel e uma retroalimentação de informações sobre o estado do canal entre o terminal móvel e todas as célulascooperantes; uma unidade de cálculo de retroalimentação de canal configurada para calcular uma retroalimentação de informações de qualidade de canal para a célula servidora do terminal móvel; e uma unidade de transmissão configurada para transmitir retroalimentações de informações sobre o estado do canal e a retroalimentação de informações de qualidade de canal para a célula servidora. a presente invenção aprimora de maneira considerável o desempenho de um sistema lte-a e reduz muito a sobrecarga de retroalimentação. a presente invenção é uma solução de retroalimentação escalonada e pode ser flexivelmente aplicada a diversas situações de transmissão de múltiplos pontos de coordenada.
BR112012017302A 2010-01-13 2010-01-13 dispositivo e método de retroalimentação de informações de canal para mimo multicelular BR112012017302A2 (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2010/000057 WO2011085516A1 (zh) 2010-01-13 2010-01-13 多小区mimo信道信息反馈设备和方法

Publications (1)

Publication Number Publication Date
BR112012017302A2 true BR112012017302A2 (pt) 2016-04-19

Family

ID=44303782

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112012017302A BR112012017302A2 (pt) 2010-01-13 2010-01-13 dispositivo e método de retroalimentação de informações de canal para mimo multicelular

Country Status (7)

Country Link
US (1) US9083411B2 (pt)
EP (1) EP2525504A4 (pt)
JP (1) JP5497918B2 (pt)
KR (1) KR101411342B1 (pt)
CN (1) CN102474312B (pt)
BR (1) BR112012017302A2 (pt)
WO (1) WO2011085516A1 (pt)

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US10028332B2 (en) 2008-08-15 2018-07-17 Qualcomm, Incorporated Hierarchical clustering framework for inter-cell MIMO systems
US9521554B2 (en) 2008-08-15 2016-12-13 Qualcomm Incorporated Adaptive clustering framework in frequency-time for network MIMO systems
KR101530559B1 (ko) * 2009-06-04 2015-06-22 삼성전자 주식회사 무선통신 셀룰러 시스템에서 셀간 협력 전송을 위한 피드백 정보 송수신 방법 및 장치
CN102237950B (zh) * 2010-04-29 2016-06-08 株式会社Ntt都科摩 一种用户设备、基站及信道信息反馈方法
US9288690B2 (en) 2010-05-26 2016-03-15 Qualcomm Incorporated Apparatus for clustering cells using neighbor relations
US8639256B2 (en) * 2010-05-26 2014-01-28 Qualcomm Incorporated Adaptive cell clustering in a multi-cluster environment
CN102377527B (zh) * 2010-08-09 2014-12-24 上海贝尔股份有限公司 一种降低多小区反馈开销的方法和装置
CN103004121B (zh) * 2010-12-10 2016-01-27 松下电器（美国）知识产权公司 信号生成方法及信号生成装置
CN102957515B (zh) * 2011-08-22 2018-09-25 索尼公司 信道信息反馈方法、用户设备、发送数据方法和基站
EP2811660B1 (en) 2012-02-01 2019-07-31 Samsung Electronics Co., Ltd. Method and device for transmitting and receiving channel state information in downlink coordinated multi-point system
JP5911320B2 (ja) * 2012-02-02 2016-04-27 株式会社Ｎｔｔドコモ 無線通信システム、ユーザ端末、無線基地局装置及び無線通信方法
CN103312390B (zh) * 2012-03-06 2017-12-01 株式会社Ntt都科摩 基于干扰对齐的预编码方法，发射机和设备
CN102724744B (zh) * 2012-06-11 2015-01-07 北京邮电大学 协作多点传输系统中协同传输设备的下行传输功率分配方法
US9503323B2 (en) * 2012-09-07 2016-11-22 At&T Intellectual Property I, L.P. Facilitation of connectivity and content management in mobile environments
US9467871B2 (en) 2012-09-28 2016-10-11 Qualcomm Incorporated Iterative coordinated beamforming systems and methods
KR102126905B1 (ko) 2012-12-18 2020-06-25 삼성전자주식회사 다중 셀 무선 통신 시스템에서 복수의 셀들을 사용한 mimo 송신 방법 및 장치
CN103906200A (zh) * 2012-12-25 2014-07-02 中国移动通信集团公司 一种lte-a系统下的协作功率的分配方法及装置
KR102006746B1 (ko) 2013-01-08 2019-08-05 삼성전자 주식회사 이동통신 시스템에서 상향링크 amc 운용을 위한 방법 및 장치
WO2018027531A1 (en) * 2016-08-09 2018-02-15 Nokia Technologies Oy Method and apparatus for implementing framework for enhanced channel feedback
KR102175540B1 (ko) * 2016-09-29 2020-11-06 후아웨이 테크놀러지 컴퍼니 리미티드 채널 상태 정보를 전송하기 위한 방법 및 디바이스
JP7383624B2 (ja) * 2018-09-27 2023-11-20 株式会社Ｎｔｔドコモ 端末及び無線通信方法

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US8385433B2 (en) * 2005-10-27 2013-02-26 Qualcomm Incorporated Linear precoding for spatially correlated channels
CN101207896B (zh) * 2006-12-21 2010-11-10 中兴通讯股份有限公司 一种初始链路自适应的方法及其系统
US8045497B2 (en) * 2007-07-02 2011-10-25 Samsung Electronics Co., Ltd. Method of allocating wireless resource for space division multiple access communication and wireless resource allocation system of enabling the method
CN101373998B (zh) 2007-08-20 2012-07-25 上海贝尔阿尔卡特股份有限公司 低信息交互的多基站协作mimo及其调度方法和装置
CN101453259A (zh) * 2007-12-03 2009-06-10 株式会社Ntt都科摩 一种多输入多输出系统的预编码传输方法
KR100991793B1 (ko) * 2007-12-31 2010-11-03 엘지전자 주식회사 셀간 간섭 감소 방법
KR101241910B1 (ko) * 2008-07-07 2013-03-12 엘지전자 주식회사 다중 셀 환경에서 사운딩 채널을 이용한 협력적 ｍｉｍｏ 기법
US9755705B2 (en) * 2008-08-07 2017-09-05 Qualcomm Incorporated Method and apparatus for supporting multi-user and single-user MIMO in a wireless communication system
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US8379705B2 (en) * 2009-08-04 2013-02-19 Qualcomm Incorporated Hierarchical feedback of channel state information for wireless communication

Also Published As

Publication number Publication date
KR20120113778A (ko) 2012-10-15
EP2525504A4 (en) 2015-07-22
EP2525504A1 (en) 2012-11-21
US9083411B2 (en) 2015-07-14
US20120289275A1 (en) 2012-11-15
KR101411342B1 (ko) 2014-06-25
CN102474312B (zh) 2014-06-04
WO2011085516A1 (zh) 2011-07-21
JP2013517648A (ja) 2013-05-16
JP5497918B2 (ja) 2014-05-21
CN102474312A (zh) 2012-05-23

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Legal Events

Date Code Title Description
B06F Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]
B06U Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]
B15K Others concerning applications: alteration of classification

Free format text: A CLASSIFICACAO ANTERIOR ERA: H04B 7/02

Ipc: H04B 7/024 (2017.01), H04B 7/0417 (2017.01), H04B

B11B Dismissal acc. art. 36, par 1 of ipl - no reply within 90 days to fullfil the necessary requirements