NO911890L - Fremgangsmaate for paavirkning av flernivaas digital modulasjon ved hjelp av en digital signalprosessor. - Google Patents

Fremgangsmaate for paavirkning av flernivaas digital modulasjon ved hjelp av en digital signalprosessor.

Info

Publication number
NO911890L
NO911890L NO91911890A NO911890A NO911890L NO 911890 L NO911890 L NO 911890L NO 91911890 A NO91911890 A NO 91911890A NO 911890 A NO911890 A NO 911890A NO 911890 L NO911890 L NO 911890L
Authority
NO
Norway
Prior art keywords
digital
modulation
symbols
multiviva
procedure
Prior art date
Application number
NO91911890A
Other languages
English (en)
Norwegian (no)
Other versions
NO911890D0 (no
Inventor
Michelangelo Lo Curto
Marcello Salerno
Original Assignee
Sits Soc It Telecom Siemens
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 Sits Soc It Telecom Siemens filed Critical Sits Soc It Telecom Siemens
Publication of NO911890D0 publication Critical patent/NO911890D0/no
Publication of NO911890L publication Critical patent/NO911890L/no

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
    • H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
    • H04L27/36—Modulator circuits; Transmitter circuits
    • H04L27/365—Modulation using digital generation of the modulated carrier (not including modulation of a digitally generated carrier)

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Transmitters (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Control Of Amplification And Gain Control (AREA)
  • Amplitude Modulation (AREA)
NO91911890A 1990-05-18 1991-05-15 Fremgangsmaate for paavirkning av flernivaas digital modulasjon ved hjelp av en digital signalprosessor. NO911890L (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT20380A IT1240444B (it) 1990-05-18 1990-05-18 Procedimento per l'attuazione della modulazione digitale multilivello mediante un elaboratore di segnali numerici

Publications (2)

Publication Number Publication Date
NO911890D0 NO911890D0 (no) 1991-05-15
NO911890L true NO911890L (no) 1991-11-19

Family

ID=11166215

Family Applications (1)

Application Number Title Priority Date Filing Date
NO91911890A NO911890L (no) 1990-05-18 1991-05-15 Fremgangsmaate for paavirkning av flernivaas digital modulasjon ved hjelp av en digital signalprosessor.

Country Status (7)

Country Link
US (1) US5200978A (de)
EP (1) EP0458385B1 (de)
AU (1) AU636486B2 (de)
DE (1) DE69126916D1 (de)
IT (1) IT1240444B (de)
NO (1) NO911890L (de)
ZA (1) ZA913720B (de)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5253271A (en) * 1991-02-15 1993-10-12 Schlumberger Technology Corporation Method and apparatus for quadrature amplitude modulation of digital data using a finite state machine
US5838727A (en) * 1991-02-15 1998-11-17 Schlumberger Technology Corporation Method and apparatus for transmitting and receiving digital data over a bandpass channel
US5420887A (en) * 1992-03-26 1995-05-30 Pacific Communication Sciences Programmable digital modulator and methods of modulating digital data
US5418818A (en) * 1992-09-22 1995-05-23 Glenayre Electronics, Inc. Digital signal processor exciter
JPH0795667B2 (ja) * 1993-01-18 1995-10-11 日本電気株式会社 トランスバーサルフィルタ
US5778029A (en) * 1993-05-13 1998-07-07 Lockheed Martin Aerospace Corporation Signal conditioner with symbol addressed lookup table producing values which compensate linear and non-linear distortion using transversal filter
EP0693844B1 (de) * 1994-07-20 2005-12-07 Nippon Telegraph And Telephone Corporation Digitaler Quadraturmodulator
WO1996011527A1 (en) * 1994-10-07 1996-04-18 Massachusetts Institute Of Technology Quadrature sampling system and hybrid equalizer
FI98020C (fi) * 1995-06-06 1997-03-25 Nokia Mobile Phones Ltd Digitaalisen signaalin modulointimenetelmä ja modulaattori
DE69637220T3 (de) * 1995-07-12 2012-02-02 Nec Corp. Verfahren und Vorrichtung für mehrstufige Quadratur-Amplitudenmodulation
EP0760567A3 (de) * 1995-08-30 2000-09-06 Siemens Aktiengesellschaft Digitaler QAM-modulator
JP3658859B2 (ja) * 1996-05-27 2005-06-08 ソニー株式会社 通信方法及び通信装置
EP0849955A3 (de) * 1996-12-17 2000-05-03 Lg Electronics Inc. Verfahren und Vorrichtung zur Erzeugung eines FBAS-Signals mit digitaler QAM
AU5881998A (en) * 1997-02-27 1998-09-18 Matsushita Electric Industrial Co., Ltd. Modulator and modulation method
US6049573A (en) * 1997-12-11 2000-04-11 Massachusetts Institute Of Technology Efficient polyphase quadrature digital tuner
US6680971B1 (en) * 1998-05-18 2004-01-20 Sarnoff Corporation Passband equalizer for a vestigial sideband signal receiver
DE19946722A1 (de) 1999-09-29 2001-04-05 Infineon Technologies Ag Einrichtung und Verfahren zur spektralen Formung eines Sendesignals in einem Funksender
KR100630143B1 (ko) 2002-09-30 2006-09-29 삼성전자주식회사 통신 시스템에서 셔플링 데이터의 수신 방법 및 장치
GB0320352D0 (en) 2003-09-01 2003-10-01 Secr Defence Digital modulation waveforms for use in ranging systems
DE202004016686U1 (de) * 2003-10-28 2005-01-20 Astro Strobel Kommunikationssysteme Gmbh QAM-Modulator
GB0612142D0 (en) 2006-06-20 2006-08-02 Secr Defence Spreading modulation spectrum control
FI118875B (fi) * 2006-09-26 2008-04-15 Vacon Oyj Invertterien rinnankytkentä
US11758240B2 (en) 2018-09-13 2023-09-12 Avago Technologies International Sales Pte. Limited Integrated video and data system

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3579591D1 (de) * 1984-11-22 1990-10-11 Devon County Council Daten-modulator-demodulatorsystem.
US4661948A (en) * 1985-02-12 1987-04-28 Fairchild Semiconductor Corporation Digital quadrature amplitude modulator
GB8505527D0 (en) * 1985-03-04 1985-04-03 Digital Equipment Corp Digitally implemented modulators
JP2510490B2 (ja) * 1985-04-10 1996-06-26 株式会社日立製作所 デイジタル変調器
US4626803A (en) * 1985-12-30 1986-12-02 General Electric Company Apparatus for providing a carrier signal with two digital data streams I-Q modulated thereon
US4808937A (en) * 1986-07-15 1989-02-28 Hayes Microcomputer Products, Inc. Phase-locked loop for a modem
US4748626A (en) * 1987-01-28 1988-05-31 Racal Data Communications Inc. Viterbi decoder with reduced number of data move operations

Also Published As

Publication number Publication date
NO911890D0 (no) 1991-05-15
EP0458385B1 (de) 1997-07-23
DE69126916D1 (de) 1997-08-28
IT1240444B (it) 1993-12-16
IT9020380A1 (it) 1991-11-18
AU636486B2 (en) 1993-04-29
ZA913720B (en) 1992-02-26
US5200978A (en) 1993-04-06
EP0458385A3 (en) 1993-02-24
AU7701491A (en) 1991-11-21
EP0458385A2 (de) 1991-11-27
IT9020380A0 (it) 1990-05-18

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