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ES2063372T3 - Procedimiento y dispositivo para la conversion de señales de recepcion de alta frecuencia moduladas digitalmente. - Google Patents

Procedimiento y dispositivo para la conversion de señales de recepcion de alta frecuencia moduladas digitalmente.

Info

Publication number
ES2063372T3
ES2063372T3 ES90912008T ES90912008T ES2063372T3 ES 2063372 T3 ES2063372 T3 ES 2063372T3 ES 90912008 T ES90912008 T ES 90912008T ES 90912008 T ES90912008 T ES 90912008T ES 2063372 T3 ES2063372 T3 ES 2063372T3
Authority
ES
Spain
Prior art keywords
conversion
procedure
high frequency
reception signals
frequency reception
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
ES90912008T
Other languages
English (en)
Inventor
Gerhard Schultes
Arpad Ludwig Scholtz
Ernst Bonek
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens AG
Siemens Corp
Original Assignee
Siemens AG
Siemens 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 Siemens AG, Siemens Corp filed Critical Siemens AG
Application granted granted Critical
Publication of ES2063372T3 publication Critical patent/ES2063372T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • 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
    • H04L27/00—Modulated-carrier systems
    • H04L27/0014—Carrier regulation
    • H04L2027/0024—Carrier regulation at the receiver end
    • H04L2027/0026—Correction of carrier offset
    • H04L2027/0028—Correction of carrier offset at passband 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
    • H04L2027/0024—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

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Pile Receivers (AREA)
  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
  • Superheterodyne Receivers (AREA)

Abstract

EN UN RECEPTOR PARA SEÑALES DE MODULACION DIGITAL EN SISTEMAS DE COMUNICACION MOVILES, LA SEÑAL DE RECEPCION SE PUEDE REPRESENTAR COMO UN VECTOR COMPLEJO. LA SEÑAL SOPORTA UNA CONVERSION INCOHERENTE HOMODINE U HETERODINE EN UNA ETAPA DE MEZCLADO CON MEZCLADORES (M) EN LA CUAL SE DESCOMPONE EN UN COMPONENTE REAL Y UN COMPONENTE IMAGINARIO. LOS COMPONENTES DE SEÑAL SE FILTRAN POR FILTROS DE PASO BAJO (TP) Y SE DIGITALIZAN POR CONVERSORES DIGITALTES/ANALOGOS (AD). LOS VALORES EXPLORADOS SE CONVIERTEN EN LA MAGNITUD Y LA DIRECCION DEL VECTOR. LA MAGNITUD (B) CONTROLA LA AMPLIFICACION DEL AMPLIFICADOR PRELIMINAR (W) Y DE LOS FILTROS DE PASO BAJO (TP), Y LOS DATOS DE RECEPCION SE DERIVAN DESDE LA DIFERENCIA ENTRE DOS VALORES CONSECUTIVOS DE LA DIRECCION (W).
ES90912008T 1989-08-11 1990-08-08 Procedimiento y dispositivo para la conversion de señales de recepcion de alta frecuencia moduladas digitalmente. Expired - Lifetime ES2063372T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT192389 1989-08-11

Publications (1)

Publication Number Publication Date
ES2063372T3 true ES2063372T3 (es) 1995-01-01

Family

ID=3523948

Family Applications (1)

Application Number Title Priority Date Filing Date
ES90912008T Expired - Lifetime ES2063372T3 (es) 1989-08-11 1990-08-08 Procedimiento y dispositivo para la conversion de señales de recepcion de alta frecuencia moduladas digitalmente.

Country Status (8)

Country Link
US (1) US5402449A (es)
EP (1) EP0486554B1 (es)
JP (1) JP3088454B2 (es)
AT (1) ATE113432T1 (es)
DE (1) DE59007578D1 (es)
DK (1) DK0486554T3 (es)
ES (1) ES2063372T3 (es)
WO (1) WO1991002421A1 (es)

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GR900100865A (el) * 1990-12-17 1992-11-23 Siemens Ag Μέ?οδος και συσκευή για μετατροπή ψηφιακα διαμορφωμένων σημάτων λήψεως από την περιοχή υψηλών συχνοτήτων.
EP0522998A3 (en) * 1991-07-09 1993-07-28 Ascom Tech Ag Method for estimating the frequency offset in a quadrature receiver
DE4223121A1 (de) * 1992-07-14 1994-01-20 Deutsche Aerospace Verfahren zur Trägerrückgewinnung bei der Demodulation von digital modulierten Signalen und Anordnungen zum Ausführen des Verfahrens
US5263048A (en) * 1992-07-24 1993-11-16 Magnavox Electronic Systems Company Narrow band interference frequency excision method and means
DE4237692C1 (de) * 1992-11-07 1994-03-03 Grundig Emv Empfänger für ein digitales Rundfunksignal
FI94818C (fi) * 1993-06-02 1995-10-25 Nokia Telecommunications Oy Menetelmä digitaalisesti moduloidun signaalin demoduloimiseksi sekä demodulaattori
US5617451A (en) 1993-09-13 1997-04-01 Matsushita Electric Industrial Co., Ltd. Direct-conversion receiver for digital-modulation signal with signal strength detection
US5757857A (en) * 1994-07-21 1998-05-26 The Regents Of The University Of California High speed self-adjusting clock recovery circuit with frequency detection
US5832043A (en) * 1995-04-03 1998-11-03 Motorola, Inc. System and method for maintaining continuous phase during up/down conversion of near-zero hertz intermediate frequencies
US5687163A (en) * 1995-06-07 1997-11-11 Cirrus Logic, Inc. Method and apparatus for signal classification using I/Q quadrant histogram
US5661485A (en) * 1995-09-08 1997-08-26 Condor Systems, Inc. Homodyne receiver apparatus and method
DE19536526A1 (de) * 1995-09-29 1997-04-03 Siemens Ag Empfängerarchitektur zum Empfangen von winkelmodulierten/-getasteten Trägersignalen unterschiedlicher Frequenz
US5802112A (en) * 1996-01-16 1998-09-01 Transcendat Inc. Multi-level, multi-frequency interference pattern analog waveform encoding of digital data for transmission
US6026129A (en) * 1996-03-27 2000-02-15 Matsushita Electric Industrial Co., Ltd. Radio receiving apparatus for receiving communication signals of different bandwidths
US6359944B1 (en) * 1996-04-17 2002-03-19 Thomson Licensing S.A. Tuning system for achieving quick acquisition times for a digital satellite receiver
US5937341A (en) * 1996-09-13 1999-08-10 University Of Washington Simplified high frequency tuner and tuning method
DE19733732C2 (de) * 1997-08-04 1999-05-12 Siemens Ag Verfahren zur Unterstützung der einfachen Synchronisierung auf den Träger eines energieverwischten QPSK-Signals
CN1118949C (zh) 1997-11-07 2003-08-20 皇家菲利浦电子有限公司 无线通信设备
US6038262A (en) * 1998-06-09 2000-03-14 Transcendata, Inc. Method and apparatus for compensation of electro-magnetic distortion using weighted feedback delay for amplitude coded sinusoidal waveform generation and transmission
DE19942944A1 (de) * 1999-09-08 2001-03-22 Infineon Technologies Ag Kommunikationssystem und entsprechender Empfänger
JP3576880B2 (ja) * 1999-09-09 2004-10-13 日本電気株式会社 自動変調方式識別装置及び自動変調方式識別方法
US7088765B1 (en) * 2000-03-15 2006-08-08 Ndsu Research Foundation Vector calibration system
US20010055348A1 (en) * 2000-03-31 2001-12-27 Anderson Christopher L. Sequential quadrant demodulation of digitally modulated radio signals
DE10120702A1 (de) * 2001-04-27 2002-11-14 Infineon Technologies Ag Hochfrequenzempfänger
US7272375B2 (en) * 2004-06-30 2007-09-18 Silicon Laboratories Inc. Integrated low-IF terrestrial audio broadcast receiver and associated method
US7333051B2 (en) * 2004-11-19 2008-02-19 Lockheed Martin Corporation Methods and devices for determining the linearity of signals
US8983003B2 (en) 2010-03-31 2015-03-17 Hytera Communications Corp., Ltd. Method and system for adaptively identifying signal bandwidth
CN112398768B (zh) * 2019-08-19 2024-01-16 博通集成电路（上海）股份有限公司 用于校准频偏的接收机和方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8102595A (nl) * 1981-05-27 1982-12-16 Philips Nv Ontvanger voor hoekgemoduleerde draaggolfsignalen.
US4608703A (en) * 1983-05-12 1986-08-26 Ricoh Company, Ltd. Synchronization detection system for data transmission
WO1986003356A1 (en) * 1984-11-22 1986-06-05 Devon County Council Data modem system
NL8602819A (nl) * 1986-11-07 1988-06-01 Philips Nv Direktmengende synchroonontvanger.
US4737969A (en) * 1987-01-28 1988-04-12 Motorola, Inc. Spectrally efficient digital modulation method and apparatus
JPH0626353B2 (ja) * 1987-05-19 1994-04-06 日本電気株式会社 復調装置
FR2621188B1 (fr) * 1987-09-25 1989-12-29 Labo Electronique Physique Circuit de recuperation de l'onde porteuse de systemes de transmissions numeriques
US4888793A (en) * 1988-05-06 1989-12-19 Motorola, Inc. Phase correcting DPSK/PSK receiver with digitally stored phase correction derived from received data
JPH0716206B2 (ja) * 1988-08-05 1995-02-22 日本電気株式会社 信号検出器
US4866395A (en) * 1988-11-14 1989-09-12 Gte Government Systems Corporation Universal carrier recovery and data detection for digital communication systems
US4879728A (en) * 1989-01-31 1989-11-07 American Telephone And Telegraph Company, At&T Bell Laboratories DPSK carrier acquisition and tracking arrangement

Also Published As

Publication number Publication date
US5402449A (en) 1995-03-28
EP0486554A1 (de) 1992-05-27
JPH05500888A (ja) 1993-02-18
WO1991002421A1 (de) 1991-02-21
EP0486554B1 (de) 1994-10-26
ATE113432T1 (de) 1994-11-15
JP3088454B2 (ja) 2000-09-18
DK0486554T3 (da) 1994-12-27
DE59007578D1 (de) 1994-12-01

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