DE69534023D1 - Verfahren zum demodulieren von digital modulierten daten - Google Patents

Verfahren zum demodulieren von digital modulierten daten

Info

Publication number
DE69534023D1
DE69534023D1 DE69534023T DE69534023T DE69534023D1 DE 69534023 D1 DE69534023 D1 DE 69534023D1 DE 69534023 T DE69534023 T DE 69534023T DE 69534023 T DE69534023 T DE 69534023T DE 69534023 D1 DE69534023 D1 DE 69534023D1
Authority
DE
Germany
Prior art keywords
modulated data
digitally modulated
demodulating
demodulating digitally
data
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
DE69534023T
Other languages
English (en)
Other versions
DE69534023T2 (de
Inventor
W Dent
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.)
Ericsson Inc
Original Assignee
Ericsson Inc
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 Ericsson Inc filed Critical Ericsson Inc
Publication of DE69534023D1 publication Critical patent/DE69534023D1/de
Application granted granted Critical
Publication of DE69534023T2 publication Critical patent/DE69534023T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/3052—Automatic control in amplifiers having semiconductor devices in bandpass amplifiers (H.F. or I.F.) or in frequency-changers used in a (super)heterodyne receiver
    • H03G3/3078—Circuits generating control signals for digitally modulated signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L25/03178—Arrangements involving sequence estimation techniques
    • H04L25/03248—Arrangements for operating in conjunction with other apparatus
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L25/03178—Arrangements involving sequence estimation techniques
    • H04L25/03248—Arrangements for operating in conjunction with other apparatus
    • H04L25/03273—Arrangements for operating in conjunction with other apparatus with carrier recovery circuitry

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Control Of Amplification And Gain Control (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Error Detection And Correction (AREA)
DE69534023T 1994-09-14 1995-09-01 Verfahren zum demodulieren von digital modulierten daten Expired - Lifetime DE69534023T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08/305,651 US5568518A (en) 1994-09-14 1994-09-14 Fast automatic gain control
US305651 1994-09-14
PCT/US1995/012409 WO1996008905A1 (en) 1994-09-14 1995-09-01 Method for demodulating digitally modulated data signals

Publications (2)

Publication Number Publication Date
DE69534023D1 true DE69534023D1 (de) 2005-03-31
DE69534023T2 DE69534023T2 (de) 2006-04-27

Family

ID=23181724

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69534023T Expired - Lifetime DE69534023T2 (de) 1994-09-14 1995-09-01 Verfahren zum demodulieren von digital modulierten daten

Country Status (10)

Country Link
US (3) US5568518A (de)
EP (1) EP0782803B1 (de)
JP (1) JPH10505980A (de)
CN (1) CN1084993C (de)
AU (1) AU690350B2 (de)
CA (1) CA2199932A1 (de)
DE (1) DE69534023T2 (de)
FI (1) FI971052A (de)
RU (1) RU2144739C1 (de)
WO (1) WO1996008905A1 (de)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6185259B1 (en) 1996-06-12 2001-02-06 Ericsson Inc. Transmitter/receiver for GMSK and offset-QAM
US5909645A (en) * 1996-06-21 1999-06-01 Lucent Technologies Inc. Receiver with dynamic attenuation control for adaptive intermodulation performance enhancement
AU744861B2 (en) * 1997-12-24 2002-03-07 Nec Corporation Frequency hopping communications receivers
GB2314705B (en) * 1996-06-25 2000-06-28 Nec Technologies Frequency hopping communications receivers
US6320914B1 (en) 1996-12-18 2001-11-20 Ericsson Inc. Spectrally efficient modulation using overlapped GMSK
WO1999026383A2 (de) * 1997-11-18 1999-05-27 IAD Gesellschaft für Informatik, Automatisierung und Datenverarbeitung mbH Empfänger für ein trägermoduliertes signal und verfahren zum bearbeiten eines trägermodulierten signals
WO1999031837A1 (en) * 1997-12-12 1999-06-24 Thomson Licensing S.A. Tdma wireless telephone system with independently tracked demodulation parameters
US6192071B1 (en) 1997-12-19 2001-02-20 3Com Corporation Detecting overequalization for adapting equalization and offset for data transmissions
US6205183B1 (en) 1998-05-29 2001-03-20 Ericsson Inc. Methods of suppressing reference oscillator harmonic interference and related receivers
US6563891B1 (en) 1998-11-24 2003-05-13 Telefonaktiebolaget L M Ericsson (Publ) Automatic gain control for slotted mode operation
US6567475B1 (en) 1998-12-29 2003-05-20 Ericsson Inc. Method and system for the transmission, reception and processing of 4-level and 8-level signaling symbols
US6484285B1 (en) 2000-02-07 2002-11-19 Ericsson, Inc. Tailbiting decoder and method
US7151759B1 (en) * 2001-03-19 2006-12-19 Cisco Systems Wireless Networking (Australia) Pty Limited Automatic gain control and low power start-of-packet detection for a wireless LAN receiver
DE10344756A1 (de) * 2003-09-25 2005-05-12 Micronas Gmbh Verfahren und Schaltungsanordnung zum Entscheiden eines Symbols im komplexen Phasenraum eines Quadraturmodulationsverfahrens
JP2005286806A (ja) * 2004-03-30 2005-10-13 Nec Corp 自動利得制御装置および自動利得制御方法
US8090001B2 (en) 2004-12-03 2012-01-03 Lantiq Deutschland Gmbh Fast frequency-hopping transceiver and method
US8204923B1 (en) * 2006-10-31 2012-06-19 Marvell International Ltd. Systems and methods for scaling parameters
RU2683378C1 (ru) * 2017-10-23 2019-03-28 Федеральное государственное автономное образовательное учреждение высшего образования "Санкт-Петербургский политехнический университет Петра Великого" Способ цифровой демодуляции сигналов фазового волоконно-оптического датчика
EA038803B1 (ru) * 2017-12-25 2021-10-21 Федеральное государственное унитарное предприятие "Всероссийский научно-исследовательский институт автоматики им. Н.Л. Духова" Способ адаптивной цифровой фильтрации импульсных помех и фильтр для его реализации
RU2692429C1 (ru) * 2018-05-28 2019-06-24 Федеральное государственное бюджетное образовательное учреждение высшего образования "Владимирский Государственный Университет имени Александра Григорьевича и Николая Григорьевича Столетовых" (ВлГУ) Способ борьбы с межсимвольными искажениями цифровых сигналов
RU2702258C1 (ru) * 2018-06-26 2019-10-07 Общество с ограниченной ответственностью "РВ-СИСТЕМС" (ООО "РВ-СИСТЕМС") Способ ортогонального частотного уплотнения и его реализующее устройство
GB201810537D0 (en) 2018-06-27 2018-08-15 Nordic Semiconductor Asa Automatic gain control
RU2710961C1 (ru) * 2018-11-15 2020-01-14 Федеральное государственное автономное учреждение "Военный инновационный технополис "ЭРА" Министерства обороны Российской Федерации Способ формирования детальных радиолокационных изображений в рлс с синтезированной апертурой антенны

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE463540B (sv) * 1988-09-19 1990-12-03 Ericsson Telefon Ab L M Saett foer att i ett radiokommunikationssystem digitalisera godtyckliga radiosignaler samt anordning foer utoevande av saettet
SE462942B (sv) * 1989-01-26 1990-09-17 Ericsson Telefon Ab L M Saett och anordning foer snabb frekvensstyrning av en koherent radiomottagare
SE462943B (sv) * 1989-01-26 1990-09-17 Ericsson Telefon Ab L M Saett och anordning foer frekvensstyrning av en koherent radiomottagare
JPH0812979B2 (ja) * 1989-11-21 1996-02-07 日本電気株式会社 自動利得制御装置
US5331666A (en) * 1992-06-08 1994-07-19 Ericsson Ge Mobile Communications Inc. Adaptive maximum likelihood demodulator
US5335250A (en) * 1992-10-22 1994-08-02 Ericsson Ge Mobile Communications Inc. Method and apparatus for bidirectional demodulation of digitally modulated signals

Also Published As

Publication number Publication date
EP0782803B1 (de) 2005-02-23
WO1996008905A1 (en) 1996-03-21
RU2144739C1 (ru) 2000-01-20
FI971052A (fi) 1997-05-12
CN1162380A (zh) 1997-10-15
AU690350B2 (en) 1998-04-23
CN1084993C (zh) 2002-05-15
JPH10505980A (ja) 1998-06-09
AU3729595A (en) 1996-03-29
CA2199932A1 (en) 1996-03-21
EP0782803A1 (de) 1997-07-09
US5568518A (en) 1996-10-22
US5646963A (en) 1997-07-08
US5615231A (en) 1997-03-25
FI971052A0 (fi) 1997-03-13
DE69534023T2 (de) 2006-04-27

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