ATE183869T1 - Psk empfänger - Google Patents

Psk empfänger

Info

Publication number
ATE183869T1
ATE183869T1 AT94905539T AT94905539T ATE183869T1 AT E183869 T1 ATE183869 T1 AT E183869T1 AT 94905539 T AT94905539 T AT 94905539T AT 94905539 T AT94905539 T AT 94905539T AT E183869 T1 ATE183869 T1 AT E183869T1
Authority
AT
Austria
Prior art keywords
digital signals
channel digital
frequency
signal
phase errors
Prior art date
Application number
AT94905539T
Other languages
English (en)
Inventor
Itzhak Gurantz
Yoav Goldenberg
Sree 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
Application granted granted Critical
Publication of ATE183869T1 publication Critical patent/ATE183869T1/de

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

Landscapes

  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Engineering & Computer Science (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Optical Communication System (AREA)
  • Amplifiers (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Analogue/Digital Conversion (AREA)
  • Grinding-Machine Dressing And Accessory Apparatuses (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Superheterodyne Receivers (AREA)
  • Detergent Compositions (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
AT94905539T 1992-12-30 1993-12-29 Psk empfänger ATE183869T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/998,300 US5550869A (en) 1992-12-30 1992-12-30 Demodulator for consumer uses

Publications (1)

Publication Number Publication Date
ATE183869T1 true ATE183869T1 (de) 1999-09-15

Family

ID=25545023

Family Applications (1)

Application Number Title Priority Date Filing Date
AT94905539T ATE183869T1 (de) 1992-12-30 1993-12-29 Psk empfänger

Country Status (17)

Country Link
US (1) US5550869A (de)
EP (2) EP0628229B1 (de)
JP (1) JPH07508389A (de)
KR (1) KR950700651A (de)
CN (1) CN1092231A (de)
AT (1) ATE183869T1 (de)
AU (1) AU682336B2 (de)
BR (1) BR9305988A (de)
CA (1) CA2130269C (de)
CZ (4) CZ279497A3 (de)
DE (1) DE69326140T2 (de)
HU (1) HUT68003A (de)
NO (1) NO943189L (de)
NZ (1) NZ261042A (de)
PL (2) PL175162B1 (de)
RU (1) RU2128399C1 (de)
WO (1) WO1994016505A2 (de)

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KR100189370B1 (ko) * 1996-08-23 1999-06-01 전주범 직각 위상 편이 복조기의 자동 이득 제어장치
US6018553A (en) * 1996-09-18 2000-01-25 Wireless Access Multi-level mixer architecture for direct conversion of FSK signals
US6212246B1 (en) * 1996-11-21 2001-04-03 Dsp Group, Inc. Symbol-quality evaluation in a digital communications receiver
US6154483A (en) * 1997-04-07 2000-11-28 Golden Bridge Technology, Inc. Coherent detection using matched filter enhanced spread spectrum demodulation
US6002728A (en) * 1997-04-17 1999-12-14 Itt Manufacturing Enterprises Inc. Synchronization and tracking in a digital communication system
JP4027431B2 (ja) * 1997-05-23 2007-12-26 コーニンクレッカ、フィリップス、エレクトロニクス、エヌ、ヴィ コントローラブル増幅手段を持つ受信機
US5982315A (en) * 1997-09-12 1999-11-09 Qualcomm Incorporated Multi-loop Σ Δ analog to digital converter
US5903480A (en) * 1997-09-29 1999-05-11 Neomagic Division-free phase-shift for digital-audio special effects
JPH11127085A (ja) * 1997-10-20 1999-05-11 Fujitsu Ltd ２モード復調装置
US6005506A (en) * 1997-12-09 1999-12-21 Qualcomm, Incorporated Receiver with sigma-delta analog-to-digital converter for sampling a received signal
US6498926B1 (en) 1997-12-09 2002-12-24 Qualcomm Incorporated Programmable linear receiver having a variable IIP3 point
US6081822A (en) * 1998-03-11 2000-06-27 Agilent Technologies, Inc. Approximating signal power and noise power in a system
US6278746B1 (en) * 1998-05-12 2001-08-21 Montreal Networks Limited Timing recovery loop circuit in a receiver of a modem
US6363129B1 (en) * 1998-11-09 2002-03-26 Broadcom Corporation Timing recovery system for a multi-pair gigabit transceiver
DE19860402A1 (de) * 1998-12-28 2000-06-29 Bosch Gmbh Robert Verfahren und Schaltungsanordnung zur Demodulation eines digitalen frequenzmodulierten Signals
DE69927957T2 (de) * 1999-01-06 2006-07-27 Koninklijke Philips Electronics N.V. Demodulator mit Rotationsmitteln für Frequenzverschiebungskorrektur
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
KR100435494B1 (ko) * 2001-11-21 2004-06-09 한국전자통신연구원 디지털 통신에서의 동기 수행 시스템 및 그 방법
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
GB2458908B (en) * 2008-04-01 2010-02-24 Michael Frank Castle Low power signal processor
US9157940B2 (en) * 2011-02-09 2015-10-13 Smart Energy Instruments, Inc. Power measurement device
US12063048B2 (en) * 2021-10-28 2024-08-13 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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JPH04286248A (ja) * 1991-03-14 1992-10-12 Fujitsu Ltd ベースバンド遅延検波器
DE59208453D1 (de) * 1991-12-07 1997-06-12 Philips Patentverwaltung Mobilfunkempfänger dessen verbesserte Anfangssysnchronisation mit einer Feststation durch Frequenzschätzung mittels Impulserkennung erreicht wird
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Also Published As

Publication number Publication date
CZ279697A3 (cs) 1998-10-14
DE69326140T2 (de) 2000-04-20
HU9402492D0 (en) 1994-11-28
HUT68003A (en) 1995-05-29
CA2130269A1 (en) 1994-07-21
CZ279497A3 (cs) 1998-10-14
CN1092231A (zh) 1994-09-14
EP0848523A2 (de) 1998-06-17
JPH07508389A (ja) 1995-09-14
CZ279597A3 (cs) 1998-10-14
CA2130269C (en) 1999-11-16
PL175162B1 (pl) 1998-11-30
PL305556A1 (en) 1995-01-23
EP0848523A3 (de) 2001-09-26
US5550869A (en) 1996-08-27
NZ261042A (en) 1996-07-26
KR950700651A (ko) 1995-01-16
CZ197594A3 (en) 1995-02-15
PL175825B1 (pl) 1999-02-26
WO1994016505A3 (en) 1994-09-29
DE69326140D1 (de) 1999-09-30
EP0628229B1 (de) 1999-08-25
EP0628229A1 (de) 1994-12-14
AU5961594A (en) 1994-08-15
NO943189L (no) 1994-10-28
AU682336B2 (en) 1997-10-02
BR9305988A (pt) 1997-10-21
NO943189D0 (no) 1994-08-29
RU2128399C1 (ru) 1999-03-27
WO1994016505A2 (en) 1994-07-21

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