AU6434396A - Digital QAM - Google Patents

Digital QAM

Info

Publication number
AU6434396A
AU6434396A AU64343/96A AU6434396A AU6434396A AU 6434396 A AU6434396 A AU 6434396A AU 64343/96 A AU64343/96 A AU 64343/96A AU 6434396 A AU6434396 A AU 6434396A AU 6434396 A AU6434396 A AU 6434396A
Authority
AU
Australia
Prior art keywords
digital qam
qam
digital
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.)
Granted
Application number
AU64343/96A
Other versions
AU712700B2 (en
Inventor
Karlheinz Borst
Stefan Hoffmann
Uwe Lehmann
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
Original Assignee
Siemens AG
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 filed Critical Siemens AG
Publication of AU6434396A publication Critical patent/AU6434396A/en
Application granted granted Critical
Publication of AU712700B2 publication Critical patent/AU712700B2/en
Anticipated expiration legal-status Critical
Ceased 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
    • H04L27/32—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)
AU64343/96A 1995-08-30 1996-08-29 Digital QAM Ceased AU712700B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19531997 1995-08-30
DE19531997 1995-08-30

Publications (2)

Publication Number Publication Date
AU6434396A true AU6434396A (en) 1997-03-06
AU712700B2 AU712700B2 (en) 1999-11-11

Family

ID=7770814

Family Applications (1)

Application Number Title Priority Date Filing Date
AU64343/96A Ceased AU712700B2 (en) 1995-08-30 1996-08-29 Digital QAM

Country Status (4)

Country Link
EP (1) EP0760567A3 (en)
CN (1) CN1074623C (en)
AU (1) AU712700B2 (en)
NO (1) NO963612L (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19732894C2 (en) * 1997-07-30 1999-11-11 Siemens Ag Methods and arrangements for quickly synchronizing two carrier signals
DE19732895C2 (en) * 1997-07-30 1999-05-12 Siemens Ag Arrangement for the rapid digital generation of a digital signal with a predeterminable phase position using a reference carrier signal
US6763072B1 (en) * 1999-08-25 2004-07-13 Victor Company Of Japan, Ltd. Method and apparatus for modulation and demodulation related to orthogonal frequency division multiplexing
ATE324732T1 (en) * 2002-02-06 2006-05-15 Abb Schweiz Ag METHOD FOR GENERATING AND DEVICE FOR RECEIVING AN ANISOCHRONE BINARY SIGNAL
KR100454483B1 (en) 2002-03-04 2004-10-28 삼성전자주식회사 I/Q demodulator and a I/Q signal sampling method thereof

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0234539B2 (en) * 1984-03-02 1990-08-03 Oki Electric Ind Co Ltd DEIJITARUSHORIGATACHOTSUKOHENCHOSOCHI
SE465494B (en) * 1990-01-22 1991-09-16 Ericsson Telefon Ab L M PROCEDURE TO COMPENSATE FOR OILARITIES IN A FINAL AMPLIFIER
JPH03265332A (en) * 1990-03-15 1991-11-26 Fujitsu Ltd Digital phase modulation circuit
IT1240444B (en) * 1990-05-18 1993-12-16 Borsano Corrado PROCEDURE FOR THE IMPLEMENTATION OF MULTI-LEVEL DIGITAL MODULATION BY A NUMERICAL SIGNAL PROCESSOR
JPH06104943A (en) * 1992-09-21 1994-04-15 Nec Corp Four-phase modulator
US5371481A (en) * 1993-03-24 1994-12-06 Nokia Mobile Phones Ltd. Tuning techniques for I/Q channel signals in microwave digital transmission systems
EP0656714B1 (en) * 1993-11-30 2003-08-27 Nec Corporation Adaptive linearisation of a quadrature modulator
DE69534666T2 (en) * 1994-07-20 2006-06-29 Nippon Telegraph And Telephone Corp. Digital quadrature modulator

Also Published As

Publication number Publication date
AU712700B2 (en) 1999-11-11
EP0760567A3 (en) 2000-09-06
CN1074623C (en) 2001-11-07
CN1152209A (en) 1997-06-18
NO963612D0 (en) 1996-08-29
NO963612L (en) 1997-03-03
EP0760567A2 (en) 1997-03-05

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Legal Events

Date Code Title Description
MK14 Patent ceased section 143(a) (annual fees not paid) or expired