BRPI1011395A2 - método de retorno de informações de canal, estação móvel, estação de base, sistema de múltiplas entradas múltiplas saídas - Google Patents

método de retorno de informações de canal, estação móvel, estação de base, sistema de múltiplas entradas múltiplas saídas

Info

Publication number
BRPI1011395A2
BRPI1011395A2 BRPI1011395A BRPI1011395A BRPI1011395A2 BR PI1011395 A2 BRPI1011395 A2 BR PI1011395A2 BR PI1011395 A BRPI1011395 A BR PI1011395A BR PI1011395 A BRPI1011395 A BR PI1011395A BR PI1011395 A2 BRPI1011395 A2 BR PI1011395A2
Authority
BR
Brazil
Prior art keywords
channel information
output system
base station
return method
mobile station
Prior art date
Application number
BRPI1011395A
Other languages
English (en)
Inventor
Cheng He
Gong Zhang
Jianneng Liu
Kaibin Huang
Yi Long
Yong Cheng
Original Assignee
Huawei Tech Co 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
Application filed by Huawei Tech Co Ltd filed Critical Huawei Tech Co Ltd
Publication of BRPI1011395A2 publication Critical patent/BRPI1011395A2/pt
Publication of BRPI1011395B1 publication Critical patent/BRPI1011395B1/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
    • H04B7/0413—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
    • H04B7/06—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
    • H04B7/0645—Variable feedback
    • H04B7/0647—Variable feedback rate
    • 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
    • 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
    • H04L25/03949—Spatial equalizers equalizer selection or adaptation based on feedback
    • 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
    • H04B7/06—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
    • H04B7/0636—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
    • 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
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L2025/03777—Arrangements for removing intersymbol interference characterised by the signalling
    • H04L2025/03802—Signalling on the reverse channel
    • H04L2025/03808—Transmission of equaliser coefficients
    • 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
    • H04L25/0202—Channel estimation
    • H04L25/0204—Channel estimation of multiple channels
    • 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
    • H04L25/0202—Channel estimation
    • H04L25/024—Channel estimation channel estimation algorithms
    • H04L25/0242—Channel estimation channel estimation algorithms using matrix methods
    • H04L25/0248—Eigen-space methods

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Power Engineering (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)
BRPI1011395-9A 2009-04-17 2010-01-30 método de retroalimentação de informações de canal, método de processamento de informações, estação móvel, estação base e sistema de múltiplas entradas múltiplas saídas BRPI1011395B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CN2009101066946A CN101867464B (zh) 2009-04-17 2009-04-17 一种信道信息反馈方法、终端、基站及多输入多输出系统
CN200910106694.6 2009-04-17
PCT/CN2010/070434 WO2010118650A1 (zh) 2009-04-17 2010-01-30 一种信道信息反馈方法、终端、基站及多输入多输出系统

Publications (2)

Publication Number Publication Date
BRPI1011395A2 true BRPI1011395A2 (pt) 2016-03-15
BRPI1011395B1 BRPI1011395B1 (pt) 2021-01-12

Family

ID=42959038

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI1011395-9A BRPI1011395B1 (pt) 2009-04-17 2010-01-30 método de retroalimentação de informações de canal, método de processamento de informações, estação móvel, estação base e sistema de múltiplas entradas múltiplas saídas

Country Status (6)

Country Link
US (1) US8320275B2 (pt)
EP (1) EP2421176B1 (pt)
CN (1) CN101867464B (pt)
BR (1) BRPI1011395B1 (pt)
ES (1) ES2468796T3 (pt)
WO (1) WO2010118650A1 (pt)

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US8798551B2 (en) * 2011-01-07 2014-08-05 Zte (Usa) Inc. Method and system for spatial CSI feedback for coordinated multi-point processing (CoMP)
JP5723457B2 (ja) * 2011-03-16 2015-05-27 エヌイーシー（チャイナ）カンパニー， リミテッドＮＥＣ（Ｃｈｉｎａ）Ｃｏ．，Ｌｔｄ． ビームフォーミング方法および受信機
CN102142938A (zh) * 2011-03-29 2011-08-03 东南大学 有限反馈系统中基于信漏噪比的预编码构造方法
CN102918777B (zh) * 2011-06-03 2015-07-08 华为技术有限公司 发送信道状态信息的方法和设备及系统
JP5918505B2 (ja) 2011-11-07 2016-05-18 株式会社Ｎｔｔドコモ 無線通信システム、無線基地局装置、ユーザ端末及び無線通信方法
CN103188031B (zh) * 2011-12-28 2016-02-17 同济大学 利用信道时域相关性降低反馈量的码本编码信息处理方法
WO2013125882A1 (en) * 2012-02-21 2013-08-29 Lg Electronics Inc. Method and apparatus for optimizing a limited feedback in a wireless access system supporting a distributed antenna (da) technicue
KR101968704B1 (ko) * 2012-03-13 2019-04-12 삼성전자주식회사 다중 안테나 통신 시스템에서의 전송 파워 결정 방법 및 장치
CN102710371B (zh) * 2012-05-23 2014-12-17 东南大学 多天线两跳中继系统中利用有限反馈信息的传输方法
US9503924B2 (en) * 2013-01-18 2016-11-22 Qualcomm Incorporated Interpolation-based channel state information (CSI) enhancements in long-term evolution (LTE)
CN103178939B (zh) * 2013-04-15 2016-01-13 东南大学 基于有限反馈技术降低反馈量提高系统吞吐率的方法
KR102083352B1 (ko) * 2013-07-03 2020-03-03 삼성전자주식회사 가상 셀 네트워크 시스템에서 가상 셀 형성장치 및 방법
CN103402268B (zh) * 2013-08-21 2017-01-18 西安电子科技大学 一种基于改进的弦距离的下行mu_comp调度方法
CN105379369B (zh) * 2014-01-29 2019-10-25 华为技术有限公司 一种用户设备及确定发射功率的方法
US9979450B2 (en) * 2016-10-07 2018-05-22 Qualcomm Incorporated Adaptive codeword and codeblock selection in wireless communications
US10044420B2 (en) * 2016-12-15 2018-08-07 Hong Kong Applied Science and Technology Research Institute Company Limited Closed-loop massive MIMO system architecture
CN110166214B (zh) * 2018-02-13 2020-08-21 华为技术有限公司 传输反馈信息的方法和通信设备
US10742282B2 (en) 2018-10-30 2020-08-11 Samsung Electronics Co., Ltd. System and method for generating codebook for analog beamforming
US11777539B2 (en) * 2018-10-31 2023-10-03 Avago Technologies International Sales Pte. Limited Rate control with transmitter power optimization

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Publication number Priority date Publication date Assignee Title
DE10124397A1 (de) 2001-05-18 2002-11-21 Siemens Ag Verfahren zum steuern der Strahlformung in einem Mobilfunk-Kommunikationssystem und Basisstation hierfür
CN100550685C (zh) * 2005-10-05 2009-10-14 中兴通讯股份有限公司 多用户多输入多输出系统中下行链路自适应的方法及系统
DE602007011424D1 (de) * 2006-05-10 2011-02-03 Koninkl Philips Electronics Nv Drahtloses kommunikationssystem und vorrichtung mit harq und betriebsverfahren für das system
US8626104B2 (en) * 2006-09-28 2014-01-07 Apple Inc. Generalized codebook design method for limited feedback systems
US7961672B2 (en) * 2007-02-23 2011-06-14 Texas Instruments Incorporated CQI feedback for OFDMA systems
CN101340218A (zh) 2007-07-04 2009-01-07 华为技术有限公司 多输入多输出系统中通信方法及装置
CN101374003B (zh) 2007-08-23 2012-07-18 中兴通讯股份有限公司 一种多输入多输出系统中的信号发送方法及码本反馈方法
CN101399590A (zh) * 2007-09-27 2009-04-01 株式会社Ntt都科摩 一种多用户预编码系统中的反馈选择方法及反馈选择装置
CN101183890B (zh) * 2007-12-12 2012-06-13 中兴通讯股份有限公司 一种基于码本的多用户预编码系统的cqi反馈方法

Also Published As

Publication number Publication date
US8320275B2 (en) 2012-11-27
BRPI1011395B1 (pt) 2021-01-12
ES2468796T3 (es) 2014-06-17
CN101867464B (zh) 2012-12-12
EP2421176A1 (en) 2012-02-22
EP2421176A4 (en) 2012-06-20
WO2010118650A1 (zh) 2010-10-21
CN101867464A (zh) 2010-10-20
US20120033575A1 (en) 2012-02-09
EP2421176B1 (en) 2014-03-12

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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 7/06

Ipc: H04B 7/0417 (2017.01), H04B 7/06 (1968.09), H04L 2

B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted

Free format text: PRAZO DE VALIDADE: 10 (DEZ) ANOS CONTADOS A PARTIR DE 12/01/2021, OBSERVADAS AS CONDICOES LEGAIS.