BRPI0413916A - dispositivo e método de transmissão e meio de armazenamento - Google Patents

dispositivo e método de transmissão e meio de armazenamento

Info

Publication number
BRPI0413916A
BRPI0413916A BRPI0413916A BRPI0413916A BR PI0413916 A BRPI0413916 A BR PI0413916A BR PI0413916 A BRPI0413916 A BR PI0413916A BR PI0413916 A BRPI0413916 A BR PI0413916A
Authority
BR
Brazil
Prior art keywords
preamble
correlation
spectrum
case
storage medium
Prior art date
Application number
Other languages
English (en)
Inventor
Mitsuhiro Suzuki
Original Assignee
Sony Corp
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 Sony Corp filed Critical Sony Corp
Publication of BRPI0413916A publication Critical patent/BRPI0413916A/pt

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/26Systems using multi-frequency codes
    • H04L27/2601Multicarrier modulation systems
    • H04L27/2602Signal structure
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/26Systems using multi-frequency codes
    • H04L27/2601Multicarrier modulation systems
    • H04L27/2602Signal structure
    • H04L27/261Details of reference signals
    • H04L27/2613Structure of the reference signals
    • H04L27/26134Pilot insertion in the transmitter chain, e.g. pilot overlapping with data, insertion in time or frequency domain
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/26Systems using multi-frequency codes
    • H04L27/2601Multicarrier modulation systems
    • H04L27/2602Signal structure
    • H04L27/261Details of reference signals
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/26Systems using multi-frequency codes
    • H04L27/2601Multicarrier modulation systems
    • H04L27/2626Arrangements specific to the transmitter only
    • H04L27/2627Modulators
    • H04L27/2628Inverse Fourier transform modulators, e.g. inverse fast Fourier transform [IFFT] or inverse discrete Fourier transform [IDFT] modulators
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/26Systems using multi-frequency codes
    • H04L27/2601Multicarrier modulation systems
    • H04L27/2647Arrangements specific to the receiver only
    • H04L27/2655Synchronisation arrangements
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69Spread spectrum techniques
    • H04B1/7163Spread spectrum techniques using impulse radio

Abstract

"DISPOSITIVO E MéTODO DE TRANSMISSãO E MEIO DE ARMAZENAMENTO". é possível transmitir preferivelmente um sinal de seqüência de tempo de um padrão conhecido como um preâmbulo e um sinal de modulação de OFDM. Em comunicação, pela definição de um preâmbulo e detecção de um pico da relação interativa, a sincronização pode ser detectada. O preâmbulo neste caso é definido frequentemente por um valor binário para simplificar um dispositivo detector de correlação. Neste caso, o espectro pode se torna irregular e a característica de correlação pode ser deteriorada. Nesta invenção embora mantendo a fase do espectro do padrão do preâmbulo no lado de transmissão a amplitude é forçada a ser ajustada deste modo melhorando as características de espectro e correlação ao mesmo tempo simplificando o dispositivo de detecção de correlação no lado de recepção.
BRPI0413916 2003-08-29 2004-08-12 dispositivo e método de transmissão e meio de armazenamento BRPI0413916A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2003307264 2003-08-29
PCT/JP2004/011622 WO2005022799A1 (ja) 2003-08-29 2004-08-12 送信装置及び送信方法、並びに記憶媒体

Publications (1)

Publication Number Publication Date
BRPI0413916A true BRPI0413916A (pt) 2006-10-24

Family

ID=34269432

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0413916 BRPI0413916A (pt) 2003-08-29 2004-08-12 dispositivo e método de transmissão e meio de armazenamento

Country Status (7)

Country Link
US (2) US7864872B2 (pt)
EP (1) EP1659721A4 (pt)
JP (1) JP4396637B2 (pt)
KR (1) KR101125753B1 (pt)
CN (1) CN1842981B (pt)
BR (1) BRPI0413916A (pt)
WO (1) WO2005022799A1 (pt)

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US7860177B2 (en) * 2007-08-28 2010-12-28 Mediatek Inc. Receiver detecting signals based on spectrum characteristic and detecting method thereof
JP5171291B2 (ja) * 2007-11-30 2013-03-27 パナソニック株式会社 無線送信方法、無線送信装置、及び、無線受信装置
KR100907532B1 (ko) * 2007-12-11 2009-07-14 한국전자통신연구원 펄스방식 초광대역 무선시스템의 수신장치, 수신방법,위상추적장치 및 위상추적방법
KR100936489B1 (ko) * 2007-12-17 2010-01-13 이소현 치과용 임시 임플란트 제조방법
KR101392807B1 (ko) * 2008-07-25 2014-05-09 삼성전자주식회사 무선 통신 시스템에서 동기 획득과 셀 아이디 탐색을 위한장치 및 방법
US8223072B2 (en) * 2009-04-29 2012-07-17 Aruba Networks, Inc. Multi-pattern wireless frame transmission
WO2011120212A1 (en) * 2010-03-29 2011-10-06 Murata Manufacturing Co., Ltd Method and apparatus for accurate time synchronization in wireless communication system
US9456357B2 (en) 2012-07-27 2016-09-27 Aruba Networks, Inc. Adaptive antenna pattern management for wireless local area networks
CN106877994B (zh) * 2015-12-11 2020-12-15 深圳兆日科技股份有限公司 音频数据发送和接收方法
DE102016220882A1 (de) 2016-10-24 2018-04-26 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Optimierte Sprungmuster für verschiedene Sensorknoten und variable Datenlängen auf Basis des Telegram Splitting Übertragungsverfahrens
DE102016220883A1 (de) * 2016-10-24 2018-04-26 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Optimierte Kombination aus Präambel und Datenfeldern für Sensornetzwerke mit geringem Stromverbrauch auf Basis des Telegram Splitting Verfahrens

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US6263307B1 (en) * 1995-04-19 2001-07-17 Texas Instruments Incorporated Adaptive weiner filtering using line spectral frequencies
JPH0993296A (ja) 1995-07-14 1997-04-04 Toshiba Corp マルチキャリア伝送システムとその伝送装置
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Also Published As

Publication number Publication date
KR20060119899A (ko) 2006-11-24
US20060154624A1 (en) 2006-07-13
WO2005022799A1 (ja) 2005-03-10
CN1842981B (zh) 2010-09-29
US7532674B2 (en) 2009-05-12
EP1659721A1 (en) 2006-05-24
EP1659721A4 (en) 2012-07-25
KR101125753B1 (ko) 2012-03-27
US7864872B2 (en) 2011-01-04
JP4396637B2 (ja) 2010-01-13
JPWO2005022799A1 (ja) 2007-10-04
US20050259759A1 (en) 2005-11-24
CN1842981A (zh) 2006-10-04

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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 12A 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.