METHOD AND SYSTEM FOR APPLYING VITERBI TYPE PSK DEMODULATION FOR OPTIMUM CORRELATION OF GPS SIGNALS

Details for Australian Patent Application No. 2002342489 (hide)

Owner RESEARCH IN MOTION LIMITED

Inventors NIELSEN, Jorgen, S.

Pub. Number AU-A-2002342489

PCT Number PCT/CA02/01843

PCT Pub. Number WO2004/049663

Filing date 27 November 2002

Wipo publication date 18 June 2004

International Classifications

H04L 027/233 Modulated-carrier systems - using non-coherent demodulation

H04L 025/03 Baseband systems - Shaping networks in transmitter or receiver, e.g. adaptive shaping networks

G01S 005/14 Position-fixing by co-ordinating two or more direction or position-line determinations - Determining absolute distances from a plurality of spaced points of known location

Event Publications

27 February 2003 Complete Application Filed

22 July 2004 Application Open to Public Inspection

  Published as AU-A-2002342489

11 August 2005 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(f)/See Reg. 8.3(3). Examination has not yet been requested or directed for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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