BRPI0918469A2 - método para pré-codificação de sinais para transmissão em sistema múltiplas- entradas-múltiplas-saídas sem fio - Google Patents

método para pré-codificação de sinais para transmissão em sistema múltiplas- entradas-múltiplas-saídas sem fio

Info

Publication number
BRPI0918469A2
BRPI0918469A2 BRPI0918469A BRPI0918469A BRPI0918469A2 BR PI0918469 A2 BRPI0918469 A2 BR PI0918469A2 BR PI0918469 A BRPI0918469 A BR PI0918469A BR PI0918469 A BRPI0918469 A BR PI0918469A BR PI0918469 A2 BRPI0918469 A2 BR PI0918469A2
Authority
BR
Brazil
Prior art keywords
input
systems
output transmission
wireless
coding signals
Prior art date
Application number
BRPI0918469A
Other languages
English (en)
Inventor
Alexei Ashikhmin
Original Assignee
Alcatel Lucent Usa Inc
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 Usa Inc filed Critical Alcatel Lucent Usa Inc
Publication of BRPI0918469A2 publication Critical patent/BRPI0918469A2/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
    • H04B7/0456—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
    • 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
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L25/03343—Arrangements at the transmitter end
    • 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
    • H04L2025/0335—Arrangements for removing intersymbol interference characterised by the type of transmission
    • H04L2025/03426—Arrangements for removing intersymbol interference characterised by the type of transmission transmission using multiple-input and multiple-output 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
    • H04L25/0212—Channel estimation of impulse response

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Radio Transmission System (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Transmitters (AREA)
BRPI0918469A 2008-09-23 2009-09-14 método para pré-codificação de sinais para transmissão em sistema múltiplas- entradas-múltiplas-saídas sem fio BRPI0918469A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US12/232,737 US8107550B2 (en) 2008-09-23 2008-09-23 Methods for precoding signals for transmission in wireless MIMO system
PCT/US2009/005130 WO2010039172A1 (en) 2008-09-23 2009-09-14 Methods for precoding signals for transmission in wireless mimo system

Publications (1)

Publication Number Publication Date
BRPI0918469A2 true BRPI0918469A2 (pt) 2015-12-01

Family

ID=41479274

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0918469A BRPI0918469A2 (pt) 2008-09-23 2009-09-14 método para pré-codificação de sinais para transmissão em sistema múltiplas- entradas-múltiplas-saídas sem fio

Country Status (8)

Country Link
US (1) US8107550B2 (pt)
EP (1) EP2332300B1 (pt)
JP (1) JP5274664B2 (pt)
KR (1) KR101226045B1 (pt)
CN (1) CN102160346B (pt)
AT (1) ATE545253T1 (pt)
BR (1) BRPI0918469A2 (pt)
WO (1) WO2010039172A1 (pt)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010109518A1 (ja) * 2009-03-24 2010-09-30 富士通株式会社 無線通信システム、端末装置、基地局装置、及び無線通信システムにおける無線通信方法
EP2278761B1 (en) * 2009-07-21 2013-04-03 ST-Ericsson SA Precoding process for a transmitter of a MU-MIMO communication system
WO2011078726A1 (en) * 2009-12-25 2011-06-30 Intel Corporation Method and apparatus for downlink multiuser mimo transmission in a wireless network
US8594215B2 (en) 2010-06-11 2013-11-26 Alcatel Lucent MIMO system having a plurality of service antennas for data transmission thereof
US8687727B2 (en) * 2010-11-05 2014-04-01 Intel Corporation Coordinated multi-point transmission using interference feedback
CN102130709B (zh) * 2011-04-20 2014-02-12 中国科学技术大学 一种多输入多输出多播波束赋形方法
CN106533521B (zh) * 2016-12-12 2019-08-06 江南大学 一种基于截短级数展开的lr-rzf大规模mimo系统预编码方法
CN108400805A (zh) * 2018-03-07 2018-08-14 江南大学 一种基于共轭梯度法的大规模mimo预编码方法
US11876969B2 (en) * 2022-02-11 2024-01-16 Qualcomm Incorporated Neural-network media compression using quantized entropy coding distribution parameters

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1909403A (zh) * 2005-08-05 2007-02-07 松下电器产业株式会社 多输入多输出系统中的导频生成方法
US8760994B2 (en) * 2005-10-28 2014-06-24 Qualcomm Incorporated Unitary precoding based on randomized FFT matrices
KR101066151B1 (ko) * 2006-08-17 2011-09-20 인터디지탈 테크날러지 코포레이션 Ｍｉｍｏ 무선 통신 시스템에서 효율적인 프리코딩 피드백을 제공하기 위한 방법 및 장치
CN101136718A (zh) * 2006-11-07 2008-03-05 中兴通讯股份有限公司 无线通信系统中多输入多输出的空间复用的预编码方法
US8059733B2 (en) * 2006-12-20 2011-11-15 Nec Laboratories America, Inc. Multi-user downlink linear MIMO precoding systems
CN101378277B (zh) * 2007-08-29 2016-04-06 上海贝尔股份有限公司 多用户预编码及调度方法和实现该方法的基站
US8064849B2 (en) * 2008-02-07 2011-11-22 Telefonaktiebolaget Lm Ericsson (Publ) Precoding for multiple anntennas

Also Published As

Publication number Publication date
ATE545253T1 (de) 2012-02-15
EP2332300A1 (en) 2011-06-15
JP2012503934A (ja) 2012-02-09
KR20110044318A (ko) 2011-04-28
EP2332300B1 (en) 2012-02-08
US8107550B2 (en) 2012-01-31
WO2010039172A1 (en) 2010-04-08
US20100074356A1 (en) 2010-03-25
CN102160346B (zh) 2014-09-24
JP5274664B2 (ja) 2013-08-28
KR101226045B1 (ko) 2013-01-24
CN102160346A (zh) 2011-08-17

Similar Documents

Publication Publication Date Title
BRPI0918469A2 (pt) método para pré-codificação de sinais para transmissão em sistema múltiplas- entradas-múltiplas-saídas sem fio
WO2012027060A3 (en) Communication station and method for efficiently providing channel feedback for mimo communications
EP3497959A4 (en) DYNAMIC MULTI-BEAM TRANSMISSION FOR MULTI-INPUT AND MULTI-OUTPUT COMMUNICATIONS WITH NEW RADIO TECHNOLOGY
WO2011034340A3 (ko) 다중 안테나를 지원하는 무선 통신 시스템에서 하향링크 참조신호를 전송하는 방법 및 장치
SG170724A1 (en) Systems and methods for beamforming in multi-input multi-output communication systems
WO2014200958A3 (en) Method and apparatus for transmission by time division duplexing (tdd) devices using multiple antennas
WO2010129353A3 (en) Harq feedback channel indexing scheme in wireless communication systems
WO2012161550A3 (ko) 무선 접속 시스템에서 하향링크 제어 정보 송수신 방법 및 이를 위한 장치
WO2008116181A3 (en) Variable codebook for mimo system
WO2012149178A3 (en) Open loop spatial processing
TW200944024A (en) Methods and apparatus for controlling transmission of a base station
WO2006076583A3 (en) Rate adaptation using semi-open loop technique
MX2009007983A (es) Diversidad de retardo ciclico y precodificacion para comunicacion inalambrica.
WO2013052491A3 (en) Antenna time offset in multiple-input-multiple-output and coordinated multipoint transmissions
EP2183893A4 (en) SYSTEM AND METHOD FOR WIRELESS COMMUNICATION WITH DISTRIBUTED INPUTS AND DISTRIBUTED OUTPUTS
WO2011103186A3 (en) Methods and apparatus for network energy savings in a wireless communication system
TW200703969A (en) Systems and methods for beamforming feedback in multi antenna communication systems
WO2012044021A3 (ko) 다중 안테나 지원 무선 통신 시스템에서 효율적인 피드백 방법 및 장치
MX2012002049A (es) Metodos y dispositivos para transmision en diversidad por enlace ascendente.
WO2012096476A3 (ko) 무선 통신 시스템에서 하향링크 참조 신호 송수신 방법 및 장치
WO2010093919A3 (en) Distributed mimo
WO2010151069A3 (ko) 적응형 순환 지연 다이버서티를 이용한 다중 포인트 협력형 송수신 방법 및 그를 이용한 시스템측 장치와 수신장치, 협력형 기지국 세트 결정 방법
WO2011014583A3 (en) Adaptive transmissions in coordinated multiple point communications
AR066053A1 (es) Metodo y aparato en un sistema de telecomunicaciones
WO2010025585A8 (en) Methods and arrangements in a radio access network

Legal Events

Date Code Title Description
B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]

Free format text: REFERENTE A 7A ANUIDADE.

B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]

Free format text: EM VIRTUDE DO ARQUIVAMENTO PUBLICADO NA RPI 2385 DE 20-09-2016 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDO O ARQUIVAMENTO DO PEDIDO DE PATENTE, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.