AU2003282536A1 - Method and apparatus for digital modulation using a cordic algorithm - Google Patents

Method and apparatus for digital modulation using a cordic algorithm

Info

Publication number
AU2003282536A1
AU2003282536A1 AU2003282536A AU2003282536A AU2003282536A1 AU 2003282536 A1 AU2003282536 A1 AU 2003282536A1 AU 2003282536 A AU2003282536 A AU 2003282536A AU 2003282536 A AU2003282536 A AU 2003282536A AU 2003282536 A1 AU2003282536 A1 AU 2003282536A1
Authority
AU
Australia
Prior art keywords
digital modulation
cordic algorithm
cordic
algorithm
modulation
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.)
Abandoned
Application number
AU2003282536A
Other versions
AU2003282536A8 (en
Inventor
Frank Liu
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.)
MA Com Inc
Original Assignee
MA Com 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
Priority claimed from US10/624,312 external-priority patent/US7254186B2/en
Application filed by MA Com Inc filed Critical MA Com Inc
Publication of AU2003282536A8 publication Critical patent/AU2003282536A8/en
Publication of AU2003282536A1 publication Critical patent/AU2003282536A1/en
Abandoned 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
    • H04L27/366—Arrangements for compensating undesirable properties of the transmission path between the modulator and the demodulator
    • H04L27/367—Arrangements for compensating undesirable properties of the transmission path between the modulator and the demodulator using predistortion
    • H04L27/368—Arrangements for compensating undesirable properties of the transmission path between the modulator and the demodulator using predistortion adaptive predistortion
    • 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
    • H04L25/03343—Arrangements at the transmitter end
    • 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
    • H04L27/361—Modulation using a single or unspecified number of carriers, e.g. with separate stages of phase and amplitude modulation

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
AU2003282536A 2002-10-08 2003-10-07 Method and apparatus for digital modulation using a cordic algorithm Abandoned AU2003282536A1 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US41689802P 2002-10-08 2002-10-08
US60/416,898 2002-10-08
US10/624,312 2003-07-22
US10/624,312 US7254186B2 (en) 2003-07-22 2003-07-22 Electromagnetic wave transmitter, receiver and transceiver systems, methods and articles of manufacture
PCT/US2003/032024 WO2004034659A2 (en) 2002-10-08 2003-10-07 Method and apparatus for digital modulation using a cordic algorithm

Publications (2)

Publication Number Publication Date
AU2003282536A8 AU2003282536A8 (en) 2004-05-04
AU2003282536A1 true AU2003282536A1 (en) 2004-05-04

Family

ID=32096171

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2003282536A Abandoned AU2003282536A1 (en) 2002-10-08 2003-10-07 Method and apparatus for digital modulation using a cordic algorithm

Country Status (2)

Country Link
AU (1) AU2003282536A1 (en)
WO (1) WO2004034659A2 (en)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6411655B1 (en) * 1998-12-18 2002-06-25 Ericsson Inc. Systems and methods for converting a stream of complex numbers into an amplitude and phase-modulated radio power signal

Also Published As

Publication number Publication date
AU2003282536A8 (en) 2004-05-04
WO2004034659A2 (en) 2004-04-22
WO2004034659A3 (en) 2004-06-03

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase