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BRPI0906353A2 - Sistema de comunicação móvel, dispositivo de recepção e método - Google Patents

Sistema de comunicação móvel, dispositivo de recepção e método

Info

Publication number
BRPI0906353A2
BRPI0906353A2 BRPI0906353-6A BRPI0906353A BRPI0906353A2 BR PI0906353 A2 BRPI0906353 A2 BR PI0906353A2 BR PI0906353 A BRPI0906353 A BR PI0906353A BR PI0906353 A2 BRPI0906353 A2 BR PI0906353A2
Authority
BR
Brazil
Prior art keywords
communication system
mobile communication
receiving device
receiving
mobile
Prior art date
Application number
BRPI0906353-6A
Other languages
English (en)
Inventor
Kenichi Higuchi
Original Assignee
Ntt Docomo 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 Ntt Docomo Inc filed Critical Ntt Docomo Inc
Publication of BRPI0906353A2 publication Critical patent/BRPI0906353A2/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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J11/00—Orthogonal multiplex systems, e.g. using WALSH codes
    • H04J11/0023—Interference mitigation or co-ordination
    • H04J11/0026—Interference mitigation or co-ordination of multi-user interference
    • H04J11/0036—Interference mitigation or co-ordination of multi-user interference at the receiver
    • H04J11/0046—Interference mitigation or co-ordination of multi-user interference at the receiver using joint detection algorithms
    • 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
    • H04L25/03159—Arrangements for removing intersymbol interference operating in the frequency domain
    • 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
    • H04L25/03178—Arrangements involving sequence estimation techniques
    • H04L25/03203—Trellis search techniques
    • H04L25/03216—Trellis search techniques using the M-algorithm
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2647—Arrangements specific to the receiver only

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)
BRPI0906353-6A 2008-02-04 2009-01-30 Sistema de comunicação móvel, dispositivo de recepção e método BRPI0906353A2 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2008024355 2008-02-04
JP2008315035A JP5122428B2 (ja) 2008-02-04 2008-12-10 移動通信システム、受信装置及び方法
PCT/JP2009/051626 WO2009099013A1 (ja) 2008-02-04 2009-01-30 移動通信システム、受信装置及び方法

Publications (1)

Publication Number Publication Date
BRPI0906353A2 true BRPI0906353A2 (pt) 2015-07-07

Family

ID=40952088

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0906353-6A BRPI0906353A2 (pt) 2008-02-04 2009-01-30 Sistema de comunicação móvel, dispositivo de recepção e método

Country Status (8)

Country Link
US (1) US8320507B2 (pt)
EP (1) EP2242197A4 (pt)
JP (1) JP5122428B2 (pt)
KR (1) KR20100122478A (pt)
CN (1) CN101981847B (pt)
BR (1) BRPI0906353A2 (pt)
RU (1) RU2481712C2 (pt)
WO (1) WO2009099013A1 (pt)

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US8199841B1 (en) 2007-04-26 2012-06-12 Marvell International Ltd. Channel tracking in a wireless multiple-input multiple-output (MIMO) communication system
JP5074148B2 (ja) * 2007-10-19 2012-11-14 株式会社日立国際電気 最尤復号化方法、最尤復号装置、及び受信機
WO2009122842A1 (ja) * 2008-04-04 2009-10-08 株式会社 エヌ・ティ・ティ・ドコモ 移動通信システム、受信装置及び方法
JP5576168B2 (ja) * 2010-04-09 2014-08-20 株式会社Ｎｔｔドコモ 無線受信装置及び無線受信方法
CN102255642B (zh) * 2010-05-19 2014-01-01 华为技术有限公司 一种干扰消除方法及设备、系统
US9070972B2 (en) * 2011-06-30 2015-06-30 Sony Corporation Wideband beam forming device; wideband beam steering device and corresponding methods
US8693561B2 (en) 2012-03-16 2014-04-08 Posedge Inc. Receive signal detection of multi-carrier signals
US9106470B2 (en) 2012-12-03 2015-08-11 Qualcomm Incorporated Enhanced decoding and demapping method and apparatus for QAM data signals
KR20150127480A (ko) * 2014-05-07 2015-11-17 한국전자통신연구원 부분 ml을 근거로 한 신호 검출 시스템 및 그 방법
CN107004117B (zh) * 2014-12-09 2020-01-21 华为技术有限公司 一种检测发送序列的方法、接收机和接收设备
US10110346B1 (en) * 2016-04-14 2018-10-23 Mbit Wireless, Inc. Method and apparatus for soft bit computation in MIMO decoders
US10020839B2 (en) 2016-11-14 2018-07-10 Rampart Communications, LLC Reliable orthogonal spreading codes in wireless communications
WO2018117033A1 (ja) * 2016-12-19 2018-06-28 株式会社Ｎｔｔドコモ ユーザ端末
WO2018116777A1 (ja) * 2016-12-19 2018-06-28 株式会社Ｎｔｔドコモ ユーザ端末
CN106911374B (zh) * 2017-01-16 2020-08-04 重庆邮电大学 一种低复杂度软输出空间调制检测方法
CN109995463A (zh) 2017-12-29 2019-07-09 深圳超级数据链技术有限公司 一种qr分解检测方法和装置
US10873361B2 (en) 2019-05-17 2020-12-22 Rampart Communications, Inc. Communication system and methods using multiple-in-multiple-out (MIMO) antennas within unitary braid divisional multiplexing (UBDM)
US11641269B2 (en) 2020-06-30 2023-05-02 Rampart Communications, Inc. Modulation-agnostic transformations using unitary braid divisional multiplexing (UBDM)
US10917148B2 (en) 2019-07-01 2021-02-09 Rampart Communications, Inc. Systems, methods and apparatus for secure and efficient wireless communication of signals using a generalized approach within unitary braid division multiplexing
US11025470B2 (en) 2019-07-01 2021-06-01 Rampart Communications, Inc. Communication system and method using orthogonal frequency division multiplexing (OFDM) with non-linear transformation
US10833749B1 (en) * 2019-07-01 2020-11-10 Rampart Communications, Inc. Communication system and method using layered construction of arbitrary unitary matrices
US11050604B2 (en) 2019-07-01 2021-06-29 Rampart Communications, Inc. Systems, methods and apparatuses for modulation-agnostic unitary braid division multiplexing signal transformation
US10951442B2 (en) 2019-07-31 2021-03-16 Rampart Communications, Inc. Communication system and method using unitary braid divisional multiplexing (UBDM) with physical layer security
US10735062B1 (en) 2019-09-04 2020-08-04 Rampart Communications, Inc. Communication system and method for achieving high data rates using modified nearly-equiangular tight frame (NETF) matrices
US10965352B1 (en) 2019-09-24 2021-03-30 Rampart Communications, Inc. Communication system and methods using very large multiple-in multiple-out (MIMO) antenna systems with extremely large class of fast unitary transformations
US11159220B2 (en) 2020-02-11 2021-10-26 Rampart Communications, Inc. Single input single output (SISO) physical layer key exchange

Family Cites Families (17)

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Publication number Priority date Publication date Assignee Title
US6785341B2 (en) * 2001-05-11 2004-08-31 Qualcomm Incorporated Method and apparatus for processing data in a multiple-input multiple-output (MIMO) communication system utilizing channel state information
US7280625B2 (en) * 2002-12-11 2007-10-09 Qualcomm Incorporated Derivation of eigenvectors for spatial processing in MIMO communication systems
US20080256426A1 (en) * 2004-11-12 2008-10-16 Nokia Siemens Networks Oy Low Density Parity Check Codes For Mimo Systems
JP4308159B2 (ja) * 2005-02-10 2009-08-05 日本電信電話株式会社 空間多重信号検出回路
JP4290660B2 (ja) * 2005-02-14 2009-07-08 日本電信電話株式会社 空間多重信号検出回路及び空間多重信号検出方法
US7602855B2 (en) * 2005-04-01 2009-10-13 Interdigital Technology Corporation Method and apparatus for singular value decomposition of a channel matrix
JP4666150B2 (ja) * 2005-05-31 2011-04-06 日本電気株式会社 Ｍｉｍｏ受信装置、受信方法、および無線通信システム
US20060285531A1 (en) * 2005-06-16 2006-12-21 Howard Steven J Efficient filter weight computation for a MIMO system
US7933353B2 (en) * 2005-09-30 2011-04-26 Intel Corporation Communication system and technique using QR decomposition with a triangular systolic array
ES2437574T3 (es) * 2006-04-27 2014-01-13 Telecom Italia S.P.A. Estimación de canal de dominio de frecuencia en un sistema de acceso múltiple por división de frecuencia con portadora única
JP4854378B2 (ja) * 2006-05-01 2012-01-18 ソフトバンクＢｂ株式会社 無線伝送システムおよび無線伝送方法
KR101382760B1 (ko) * 2007-03-21 2014-04-08 엘지전자 주식회사 다중 안테나를 이용한 통신시스템에서 코드북을 이용한데이터 전송방법
US8199841B1 (en) * 2007-04-26 2012-06-12 Marvell International Ltd. Channel tracking in a wireless multiple-input multiple-output (MIMO) communication system
KR100965728B1 (ko) * 2007-06-12 2010-06-24 삼성전자주식회사 최대 우도 방식을 사용한 신호 검출 장치 및 방법
GB2453776B (en) * 2007-10-18 2010-05-19 Toshiba Res Europ Ltd Wireless communications apparatus
KR100934007B1 (ko) * 2007-12-18 2009-12-28 한국전자통신연구원 다중입력 다중출력 수신기에서 다차원 검출 장치 및방법과, 이를 이용한 수신 장치
US8411781B2 (en) * 2009-06-11 2013-04-02 Mediatek Inc. Method and system for operating a MIMO decoder

Also Published As

Publication number Publication date
RU2010135412A (ru) 2012-03-20
US20100329393A1 (en) 2010-12-30
CN101981847B (zh) 2013-12-25
US8320507B2 (en) 2012-11-27
CN101981847A (zh) 2011-02-23
RU2481712C2 (ru) 2013-05-10
KR20100122478A (ko) 2010-11-22
WO2009099013A1 (ja) 2009-08-13
JP5122428B2 (ja) 2013-01-16
JP2009213124A (ja) 2009-09-17
EP2242197A4 (en) 2016-05-11
EP2242197A1 (en) 2010-10-20

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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 6A 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 2343 DE 01-12-2015 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.