BR9305988A - Demodulator para usos de consumidor - Google Patents

Demodulator para usos de consumidor

Info

Publication number
BR9305988A
BR9305988A BR9305988A BR9305988A BR9305988A BR 9305988 A BR9305988 A BR 9305988A BR 9305988 A BR9305988 A BR 9305988A BR 9305988 A BR9305988 A BR 9305988A BR 9305988 A BR9305988 A BR 9305988A
Authority
BR
Brazil
Prior art keywords
digital signals
channel digital
frequency
signal
phase errors
Prior art date
Application number
BR9305988A
Other languages
English (en)
Inventor
Itzhak Gurantz
Yoav Goldenberg
Stree A Raghavan
Original Assignee
Comstream 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 Comstream Corp filed Critical Comstream Corp
Publication of BR9305988A publication Critical patent/BR9305988A/pt

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
    • H04L27/22—Demodulator circuits; Receiver circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
    • H04L27/22—Demodulator circuits; Receiver circuits
    • H04L27/233—Demodulator circuits; Receiver circuits using non-coherent demodulation
    • H04L27/2332—Demodulator circuits; Receiver circuits using non-coherent demodulation using a non-coherent carrier
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/02—Speed or phase control by the received code signals, the signals containing no special synchronisation information
    • H04L7/033—Speed or phase control by the received code signals, the signals containing no special synchronisation information using the transitions of the received signal to control the phase of the synchronising-signal-generating means, e.g. using a phase-locked loop
    • H04L7/0334—Processing of samples having at least three levels, e.g. soft decisions
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0014—Carrier regulation
    • H04L2027/0024—Carrier regulation at the receiver end
    • H04L2027/0026—Correction of carrier offset
    • H04L2027/003—Correction of carrier offset at baseband only
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0014—Carrier regulation
    • H04L2027/0044—Control loops for carrier regulation
    • H04L2027/0053—Closed loops
    • H04L2027/0057—Closed loops quadrature phase
BR9305988A 1992-12-30 1993-12-29 Demodulator para usos de consumidor BR9305988A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/998,300 US5550869A (en) 1992-12-30 1992-12-30 Demodulator for consumer uses
PCT/US1993/012613 WO1994016505A2 (en) 1992-12-30 1993-12-29 Psk demodulator

Publications (1)

Publication Number Publication Date
BR9305988A true BR9305988A (pt) 1997-10-21

Family

ID=25545023

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9305988A BR9305988A (pt) 1992-12-30 1993-12-29 Demodulator para usos de consumidor

Country Status (17)

Country Link
US (1) US5550869A (pt)
EP (2) EP0628229B1 (pt)
JP (1) JPH07508389A (pt)
KR (1) KR950700651A (pt)
CN (1) CN1092231A (pt)
AT (1) ATE183869T1 (pt)
AU (1) AU682336B2 (pt)
BR (1) BR9305988A (pt)
CA (1) CA2130269C (pt)
CZ (4) CZ279597A3 (pt)
DE (1) DE69326140T2 (pt)
HU (1) HUT68003A (pt)
NO (1) NO943189L (pt)
NZ (1) NZ261042A (pt)
PL (2) PL175162B1 (pt)
RU (1) RU2128399C1 (pt)
WO (1) WO1994016505A2 (pt)

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WO2000041373A1 (en) * 1999-01-06 2000-07-13 Koninklijke Philips Electronics N.V. Demodulator having rotation means for frequency offset correction
JP3252820B2 (ja) * 1999-02-24 2002-02-04 日本電気株式会社 復調及び変調回路並びに復調及び変調方法
JP3399400B2 (ja) * 1999-04-15 2003-04-21 日本電気株式会社 周波数偏移復調回路
FR2796221B1 (fr) * 1999-07-07 2002-04-12 Sagem Demodulateur de phase analogique-numerique
DE19948899A1 (de) 1999-10-11 2001-04-19 Infineon Technologies Ag Verfahren und Schaltungsanordnung zur digitalen Frequenzkorrektur eines Signals
KR100662999B1 (ko) * 1999-12-31 2006-12-28 매그나칩 반도체 유한회사 위상 오차 보상 회로
FR2808157B1 (fr) * 2000-04-21 2002-07-26 St Microelectronics Sa Synthonisateur du type a frequence intermediaire nulle et procede de commande correspondant
WO2002021323A2 (en) * 2000-09-08 2002-03-14 Avaz Networks Hardware function generator support in a dsp
ATE341854T1 (de) * 2000-12-13 2006-10-15 Juniper Networks Inc Tuner für digitalen empfänger mit mehreren eingangskanälen und ausgangskanälen
US7010073B2 (en) * 2001-01-19 2006-03-07 Qualcomm, Incorporated Delay lock loops for wireless communication systems
SE521838C2 (sv) * 2001-02-16 2003-12-09 Nat Semiconductor Corp Metod och anordning för automatisk förstärkningsreglering
US7248628B2 (en) 2001-03-02 2007-07-24 Shaeffer Derek K Method and apparatus for a programmable filter
DE10136071A1 (de) * 2001-07-25 2003-02-13 Infineon Technologies Ag Verfahren und Vorrichtung zur Kompensation eines Phasenfehlers eines Empfangs- und/oder Sendesystems mit I/Q-Schnittstelle
DE10142019A1 (de) * 2001-08-28 2003-03-20 Philips Corp Intellectual Pty Schaltungsanordnung zur Demodulation von Signalen
US7020222B2 (en) * 2001-10-24 2006-03-28 Texas Instruments Incorporated Efficient method and system for offset phasor determination
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KR100466589B1 (ko) * 2002-02-18 2005-01-24 한국전자통신연구원 디지털 심볼 동기 장치 및 그 방법
FR2837338B1 (fr) * 2002-03-15 2005-05-06 St Microelectronics Sa Circuit de demodulation de porteuses en quadrature a haute efficacite
US7139332B2 (en) * 2002-05-17 2006-11-21 Broadcom Corporation Quadrature receiver sampling architecture
US7388931B1 (en) 2002-06-12 2008-06-17 Marvell International Ltd. ADC architecture for wireless applications
JP2004032432A (ja) * 2002-06-26 2004-01-29 Matsushita Electric Ind Co Ltd 受信装置
US8060050B2 (en) * 2004-06-04 2011-11-15 Broadcom Corporation Method and system for analog and digital RF receiver interface
CN1756083B (zh) * 2004-09-29 2010-11-03 瑞昱半导体股份有限公司 模拟数字转换器的取样频率的相位调整方法
US7593707B2 (en) * 2004-11-01 2009-09-22 Broadcom Corp. Method and system for compensation of DC offset in an RF receiver
US7573948B2 (en) * 2004-11-18 2009-08-11 Broadcom Corporation Radio transmitter incorporating digital modulator and circuitry to accommodate baseband processor with analog interface
US7903772B2 (en) * 2005-02-04 2011-03-08 Broadcom Corporation Digital demodulator with improved hardware and power efficiency
ATE550827T1 (de) * 2005-07-04 2012-04-15 Nxp Bv Vereinfachte derotation in digitalen fm- demodulatorarchitekturen
US7529320B2 (en) * 2005-09-16 2009-05-05 Agere Systems Inc. Format efficient timing acquisition for magnetic recording read channels
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US9157940B2 (en) * 2011-02-09 2015-10-13 Smart Energy Instruments, Inc. Power measurement device
US20230138082A1 (en) * 2021-10-28 2023-05-04 Avago Technologies International Sales Pte. Limited System for and method of digital to analog conversion frequency distortion compensation
CN114499560B (zh) * 2021-12-30 2024-03-19 浙江地芯引力科技有限公司 无线电通信的信号解调方法、装置、设备及存储介质

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Also Published As

Publication number Publication date
EP0848523A3 (en) 2001-09-26
EP0628229A1 (en) 1994-12-14
PL175825B1 (pl) 1999-02-26
JPH07508389A (ja) 1995-09-14
PL305556A1 (en) 1995-01-23
PL175162B1 (pl) 1998-11-30
HU9402492D0 (en) 1994-11-28
NO943189D0 (no) 1994-08-29
AU682336B2 (en) 1997-10-02
NZ261042A (en) 1996-07-26
WO1994016505A2 (en) 1994-07-21
HUT68003A (en) 1995-05-29
CA2130269A1 (en) 1994-07-21
CN1092231A (zh) 1994-09-14
AU5961594A (en) 1994-08-15
CA2130269C (en) 1999-11-16
EP0848523A2 (en) 1998-06-17
WO1994016505A3 (en) 1994-09-29
NO943189L (no) 1994-10-28
CZ279597A3 (cs) 1998-10-14
RU2128399C1 (ru) 1999-03-27
US5550869A (en) 1996-08-27
EP0628229B1 (en) 1999-08-25
CZ279697A3 (cs) 1998-10-14
ATE183869T1 (de) 1999-09-15
CZ279497A3 (cs) 1998-10-14
CZ197594A3 (en) 1995-02-15
DE69326140D1 (de) 1999-09-30
KR950700651A (ko) 1995-01-16
DE69326140T2 (de) 2000-04-20

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Legal Events

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FB36 Technical and formal requirements: requirement - article 36 of industrial property law
FF Decision: intention to grant
FG9A Patent or certificate of addition granted
B24C Patent annual fee: request for for restoration

Free format text: REFERENTE A 8A, 9A, 10A, 11A, 12A, 13A, 14A, 15A E 16A ANUIDADE(S).

B24H Lapse because of non-payment of annual fees (definitively: art 78 iv lpi)

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B24F Patent annual fee: publication cancelled

Free format text: ANULADA A PUBLICACAO CODIGO 24.8 NA RPI NO 2238 DE 26/11/2013 POR TER SIDO INDEVIDA.

B21F Lapse acc. art. 78, item iv - on non-payment of the annual fees in time

Free format text: REFERENTE AS 8A, 9A, 10A, 11A, 12A, 13A, 14A, 15A E 16A ANUIDADES.

B24J Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12)

Free format text: EM VIRTUDE DA EXTINCAO PUBLICADA NA RPI 2605 DE 08-12-2020 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDA A EXTINCAO DA PATENTE E SEUS CERTIFICADOS, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.