BRPI0516148A - aparelho de comunicação de multiportadora e método de comunicação de multiportadora - Google Patents

aparelho de comunicação de multiportadora e método de comunicação de multiportadora

Info

Publication number
BRPI0516148A
BRPI0516148A BRPI0516148-7A BRPI0516148A BRPI0516148A BR PI0516148 A BRPI0516148 A BR PI0516148A BR PI0516148 A BRPI0516148 A BR PI0516148A BR PI0516148 A BRPI0516148 A BR PI0516148A
Authority
BR
Brazil
Prior art keywords
subcarrier
weight
multiport
multiport communication
transmission
Prior art date
Application number
BRPI0516148-7A
Other languages
English (en)
Inventor
Yasuaki Yuda
Tomohiro Imai
Kenichi Miyoshi
Original Assignee
Matsushita Electric Industrial 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Publication of BRPI0516148A publication Critical patent/BRPI0516148A/pt

Links

Classifications

    • 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
    • H04L27/2626—Arrangements specific to the transmitter only
    • 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
    • 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
    • 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)
  • Radio Transmission System (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Noise Elimination (AREA)

Abstract

APARELHO DE COMUNICAçãO DE MULTIPORTADORA E MéTODO DE COMUNICAçãO DE MULTIPORTADORA. A presente invenção refere-se a um aparelho de comunicação de multiportadora e similar em que a quantidade aritmética requerida para calcular um peso de recepção pelo qual um sinal de multiportadora deve ser multiplicado que é suprimido, enquanto a característica de recepção para o sinal de multiportadora é aperfeiçoada. No aparelho, uma parte de geração de peso de transmissão de subportadora (513) gera um peso de transmissão de cada subportadora, com base em informação de canal de cada subportadora recebida de uma parte de geração de informação de canal (511) e um peso de recepção de cada grupo de subportadoras recebido de uma parte de geração de peso de recepção de grupo de subportadoras (512). A parte de geração de peso de transmissão de subportadora (513) introduz os pesos de transmissão gerados das respectivas subportadoras para os correspondentes dos multiplicadores (522).
BRPI0516148-7A 2004-09-28 2005-09-26 aparelho de comunicação de multiportadora e método de comunicação de multiportadora BRPI0516148A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2004282671 2004-09-28
PCT/JP2005/017617 WO2006035704A1 (ja) 2004-09-28 2005-09-26 マルチキャリア通信装置及びマルチキャリア通信方法

Publications (1)

Publication Number Publication Date
BRPI0516148A true BRPI0516148A (pt) 2008-08-26

Family

ID=36118850

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0516148-7A BRPI0516148A (pt) 2004-09-28 2005-09-26 aparelho de comunicação de multiportadora e método de comunicação de multiportadora

Country Status (9)

Country Link
US (1) US8064503B2 (pt)
EP (1) EP1783940A1 (pt)
JP (1) JP4597996B2 (pt)
KR (1) KR20070072862A (pt)
CN (1) CN101023612A (pt)
BR (1) BRPI0516148A (pt)
MX (1) MX2007003469A (pt)
RU (1) RU2007111320A (pt)
WO (1) WO2006035704A1 (pt)

Families Citing this family (54)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4309110B2 (ja) * 2002-09-27 2009-08-05 パナソニック株式会社 適応アンテナ無線通信装置
US10200094B2 (en) 2004-04-02 2019-02-05 Rearden, Llc Interference management, handoff, power control and link adaptation in distributed-input distributed-output (DIDO) communication systems
US10985811B2 (en) 2004-04-02 2021-04-20 Rearden, Llc System and method for distributed antenna wireless communications
US8654815B1 (en) * 2004-04-02 2014-02-18 Rearden, Llc System and method for distributed antenna wireless communications
US10749582B2 (en) 2004-04-02 2020-08-18 Rearden, Llc Systems and methods to coordinate transmissions in distributed wireless systems via user clustering
US10187133B2 (en) 2004-04-02 2019-01-22 Rearden, Llc System and method for power control and antenna grouping in a distributed-input-distributed-output (DIDO) network
US9819403B2 (en) 2004-04-02 2017-11-14 Rearden, Llc System and method for managing handoff of a client between different distributed-input-distributed-output (DIDO) networks based on detected velocity of the client
US10277290B2 (en) 2004-04-02 2019-04-30 Rearden, Llc Systems and methods to exploit areas of coherence in wireless systems
US11309943B2 (en) 2004-04-02 2022-04-19 Rearden, Llc System and methods for planned evolution and obsolescence of multiuser spectrum
US10425134B2 (en) 2004-04-02 2019-09-24 Rearden, Llc System and methods for planned evolution and obsolescence of multiuser spectrum
US9826537B2 (en) 2004-04-02 2017-11-21 Rearden, Llc System and method for managing inter-cluster handoff of clients which traverse multiple DIDO clusters
US11394436B2 (en) 2004-04-02 2022-07-19 Rearden, Llc System and method for distributed antenna wireless communications
US9312929B2 (en) 2004-04-02 2016-04-12 Rearden, Llc System and methods to compensate for Doppler effects in multi-user (MU) multiple antenna systems (MAS)
US8542763B2 (en) 2004-04-02 2013-09-24 Rearden, Llc Systems and methods to coordinate transmissions in distributed wireless systems via user clustering
US10886979B2 (en) 2004-04-02 2021-01-05 Rearden, Llc System and method for link adaptation in DIDO multicarrier systems
US11451275B2 (en) 2004-04-02 2022-09-20 Rearden, Llc System and method for distributed antenna wireless communications
US9685997B2 (en) 2007-08-20 2017-06-20 Rearden, Llc Systems and methods to enhance spatial diversity in distributed-input distributed-output wireless systems
GB2438663B (en) * 2006-06-01 2008-10-29 Toshiba Res Europ Ltd Wireless communication apparatus
KR101285379B1 (ko) * 2006-06-16 2013-07-10 엘지전자 주식회사 상향 링크에서의 부 반송파 배치 방법 및 이를 구현하는송신 장치
US7839831B2 (en) * 2007-01-08 2010-11-23 Qualcomm Incorporated Methods and apparatus for time tracking using assistance from TDM pilots in a communication network
GB2449935A (en) 2007-06-08 2008-12-10 Fujitsu Ltd Closed loop MIMO communication system using SISO r.m.s. delay spread to estimate eigen coherence bandwidth.
WO2009041069A1 (ja) * 2007-09-28 2009-04-02 Panasonic Corporation 基地局装置、移動局装置、通信システム、チャネル推定方法、送信アンテナ検出方法及びプログラム
JP5244381B2 (ja) * 2007-12-26 2013-07-24 株式会社東芝 無線通信装置、無線通信方法および通信プログラム
JP2009182578A (ja) * 2008-01-30 2009-08-13 Fujitsu Ltd Mimo−ofdm受信装置およびmimo−ofdm通信システム
CN101960759A (zh) * 2008-02-27 2011-01-26 京瓷株式会社 无线通信系统、发送设备和通信控制方法
KR20100102741A (ko) * 2008-02-27 2010-09-24 교세라 가부시키가이샤 무선통신시스템, 송신장치, 및 통신제어방법
JP4901790B2 (ja) * 2008-03-14 2012-03-21 京セラ株式会社 無線装置
EP2259465A4 (en) * 2008-03-25 2016-04-20 Nec Corp MIMO RECEIVING DEVICE AND METHOD
WO2009157520A1 (ja) * 2008-06-27 2009-12-30 京セラ株式会社 無線通信装置及び無線通信方法
JP2010081396A (ja) * 2008-09-26 2010-04-08 Kyocera Corp 無線通信装置及び無線通信方法
US8948704B2 (en) * 2008-10-22 2015-02-03 Qualcomm Incorporated Scope of channel quality reporting region in a multi-carrier system
JP5407562B2 (ja) 2009-06-03 2014-02-05 富士通セミコンダクター株式会社 送信装置
US8270602B1 (en) 2009-08-13 2012-09-18 Sandia Corporation Communication systems, transceivers, and methods for generating data based on channel characteristics
US8406720B2 (en) * 2009-08-19 2013-03-26 Cisco Technology, Inc. Beamforming weight generation using adaptive trigonometric waveform interpolation techniques
JP5624399B2 (ja) * 2010-08-11 2014-11-12 京セラ株式会社 通信装置及び通信方法
CN102378375B (zh) * 2010-08-23 2014-05-07 华为技术有限公司 一种分配通信资源的方法及装置
JP5175907B2 (ja) * 2010-09-10 2013-04-03 株式会社東芝 無線通信装置
WO2012114413A1 (ja) * 2011-02-24 2012-08-30 三洋電機株式会社 受信装置
JP2012248968A (ja) * 2011-05-25 2012-12-13 Kyocera Corp 無線通信装置及び通信制御方法
US8947998B2 (en) * 2011-12-20 2015-02-03 Lg Electronics Inc. Method and apparatus for detecting radio signal
US11190947B2 (en) 2014-04-16 2021-11-30 Rearden, Llc Systems and methods for concurrent spectrum usage within actively used spectrum
US10194346B2 (en) 2012-11-26 2019-01-29 Rearden, Llc Systems and methods for exploiting inter-cell multiplexing gain in wireless cellular systems via distributed input distributed output technology
US11189917B2 (en) 2014-04-16 2021-11-30 Rearden, Llc Systems and methods for distributing radioheads
US11050468B2 (en) 2014-04-16 2021-06-29 Rearden, Llc Systems and methods for mitigating interference within actively used spectrum
US9973246B2 (en) 2013-03-12 2018-05-15 Rearden, Llc Systems and methods for exploiting inter-cell multiplexing gain in wireless cellular systems via distributed input distributed output technology
US10488535B2 (en) 2013-03-12 2019-11-26 Rearden, Llc Apparatus and method for capturing still images and video using diffraction coded imaging techniques
US10164698B2 (en) 2013-03-12 2018-12-25 Rearden, Llc Systems and methods for exploiting inter-cell multiplexing gain in wireless cellular systems via distributed input distributed output technology
US9923657B2 (en) 2013-03-12 2018-03-20 Rearden, Llc Systems and methods for exploiting inter-cell multiplexing gain in wireless cellular systems via distributed input distributed output technology
US10547358B2 (en) 2013-03-15 2020-01-28 Rearden, Llc Systems and methods for radio frequency calibration exploiting channel reciprocity in distributed input distributed output wireless communications
US11290162B2 (en) 2014-04-16 2022-03-29 Rearden, Llc Systems and methods for mitigating interference within actively used spectrum
US9866416B2 (en) * 2014-10-17 2018-01-09 Cisco Technology, Inc. System and method for simultaneous communication with multiple wireless communication devices
US9467986B2 (en) * 2014-10-17 2016-10-11 Daniel Joseph Lyons System and methods for simultaneous communication with multiple wireless communication devices
EP3207646B1 (en) * 2014-10-17 2021-07-14 Cisco Technology, Inc. Simultaneous communication with multiple wireless communication devices
US9413563B2 (en) * 2014-12-09 2016-08-09 Mbit Wireless, Inc. Method and apparatus for channel estimation using localized SINR in wireless communication systems

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6701129B1 (en) * 2000-09-27 2004-03-02 Nortel Networks Limited Receiver based adaptive modulation scheme
JP3576099B2 (ja) 2000-12-22 2004-10-13 株式会社東芝 スマートアンテナを用いた受信装置、スマートアンテナを用いた受信方法及びビーム形成回路
JP4323103B2 (ja) * 2001-02-20 2009-09-02 三菱電機株式会社 移動体通信システム、マルチキャリアcdma送信装置およびマルチキャリアcdma受信装置
US7298785B2 (en) * 2001-07-04 2007-11-20 Kabushiki Kaisha Toyota Chuo Kenkyusho Multicarrier demodulation method and apparatus, and multicarrier modulation method and apparatus
JP3976168B2 (ja) * 2001-09-06 2007-09-12 株式会社エヌ・ティ・ティ・ドコモ 送信機および受信機
JP3798325B2 (ja) 2002-03-05 2006-07-19 日本電信電話株式会社 送信装置
JP4098027B2 (ja) 2002-08-01 2008-06-11 松下電器産業株式会社 無線基地局装置
US7161896B1 (en) * 2002-08-12 2007-01-09 Cisco Systems Wireless Networking (Australia) Pty Limited Channel estimation in a multicarrier radio receiver
US7280625B2 (en) * 2002-12-11 2007-10-09 Qualcomm Incorporated Derivation of eigenvectors for spatial processing in MIMO communication systems
US7532864B2 (en) * 2003-02-17 2009-05-12 Panasonic Corporation Noise power estimation method and noise power estimation device
JP2004260322A (ja) * 2003-02-24 2004-09-16 Mitsubishi Electric Corp マルチキャリア無線通信システム、送信装置および受信装置
US7486735B2 (en) * 2003-02-28 2009-02-03 Nortel Networks Limited Sub-carrier allocation for OFDM
JP4546177B2 (ja) * 2003-07-28 2010-09-15 パナソニック株式会社 無線通信装置および無線通信方法
BRPI0413694B1 (pt) * 2003-08-20 2018-06-05 Panasonic Corporation Aparelho de comunicação sem-fio e método de alocação de subtransportador
US20050059366A1 (en) * 2003-09-16 2005-03-17 Atheros Communications, Inc. Spur mitigation techniques
KR20050028354A (ko) * 2003-09-17 2005-03-23 삼성전자주식회사 직교 주파수 분할 다중 방식을 사용하는 이동 통신시스템에서 동적 채널 할당 시스템 및 방법
FI20031702A0 (fi) * 2003-11-21 2003-11-21 Nokia Corp Useiden kantoaaltojen allokointi usealle käyttäjälle viestintäjärjestelmässä
DE602004018035D1 (de) * 2004-02-20 2009-01-08 Nokia Corp Kanalentzerrung
JP4287308B2 (ja) * 2004-03-04 2009-07-01 国立大学法人 北海道大学 周波数オフセット推定方法および装置ならびにそれを利用した受信装置
WO2005114940A1 (en) * 2004-05-18 2005-12-01 Qualcomm Incorporated Slot-to-interlace and interlace-to-slot converters for an ofdm system
US7539253B2 (en) * 2004-09-10 2009-05-26 Intel Corporation Interpolation in channel state feedback
US7801232B2 (en) * 2006-09-29 2010-09-21 Samsung Electronics Co., Ltd. Channel estimation method and apparatus in an orthogonal frequency division multiplexing (OFDM) wireless communication system

Also Published As

Publication number Publication date
US8064503B2 (en) 2011-11-22
JP4597996B2 (ja) 2010-12-15
US20070263736A1 (en) 2007-11-15
MX2007003469A (es) 2007-05-18
KR20070072862A (ko) 2007-07-06
WO2006035704A1 (ja) 2006-04-06
EP1783940A1 (en) 2007-05-09
RU2007111320A (ru) 2008-10-10
JPWO2006035704A1 (ja) 2008-05-15
CN101023612A (zh) 2007-08-22

Similar Documents

Publication Publication Date Title
SG109539A1 (en) Delegated administration of a hosted resource
BRPI0415916A (pt) método e equipamento para prover credenciais de aplicativo
SG152022A1 (en) Method and system for dynamic invocation of services in a service-oriented architecture environment
EP1811701A3 (en) Method and apparatus for transmitting/receiving uplink signaling information in a single carrier FDMA system
MX2007003469A (es) Aparato de comunicacion multiportador y metodo de comunicacion multiportador.
CA2437645A1 (en) Electronic document management system with the use of signature technique capable of masking
BRPI0511263A (pt) estimação de canal e medições de indicador de qualidade de canal (cqi) para um gprs de downlink de alta velocidade
BRPI0512686A (pt) dispositivo de radiotransmissão e dispositivo de radiorrecepção
EP1355218A3 (en) Methods and systems for authentication of components in a graphic system
UA96991C2 (ru) Способ и устройство для обработки и система связи, содержащая такое устройство
WO2004031904A8 (en) Platform system and method for extending sales and use of a resource of motivational programs
EP1505475A3 (en) Projection of trustworthiness from a trusted environment to an untrusted environment
WO2005079521A3 (en) System and method for automatic domain-name registration and web publishing
BRPI0512579A (pt) dispositivo de transmissão sem fio, dispositivo de recepção sem fio e método de arranjo de sìmbolo
BRPI0520075A2 (pt) método e aparelho para obter infromação de contexto proveniente de um servidor de contexto
DE602005010068D1 (de) Zertifikat-validitätsprüfung
BRPI0414228A (pt) métodos e equipamentos para determinar integridade de dispositivo
WO2004072831A3 (en) Securing a connection application for distribution
BRPI0517364A8 (pt) Método e aparelho para criptografia de comunicação pelo ar em sistema de comunicação sem fio
EP1852799A3 (en) Device-independent management of cytographic information.
EP0993161A3 (en) Multicarrier transmission of two data sets
WO2009155146A3 (en) Digitally signing documents using identity context information
EP1569415A3 (en) Information-processing method, information-processing apparatus and computer program
ATE495501T1 (de) Deskriptoren für dominierende farben
WO2007011971A3 (en) Content dependency verification for a gaming machine

Legal Events

Date Code Title Description
B25D Requested change of name of applicant approved

Owner name: PANASONIC CORPORATION (JP)

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

Free format text: REFERENTE AS 8A, 9A E 10A ANUIDADES.

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.