G - Physics – 01 – S
Patent
G - Physics
01
S
G01S 5/14 (2006.01) G01S 1/00 (2006.01) H04B 1/10 (2006.01) H04B 1/707 (2006.01)
Patent
CA 2384228
The receiver for radio-frequency signals, particularly of the GPS type, includes receiving and shaping means with frequency conversion for the radio-frequency signals (3) for generating intermediate signals (IF), a correlation stage (7) formed of several correlation channels (7') for receiving the intermediate signals in order to correlate them, in operating channel control loops, with the frequency carrier and specific code replicas of visible emitting satellites to be searched and tracked, each channel being provided with a correlator (8) in which at least one integrator counter (28,29,30,31) is capable of providing, at the end of each determined integration period of the correlated signals, a binary output word whose value, compared to a determined detection threshold level, allows detection of the presence or absence of the visible satellite to be searched and tracked, microprocessor means (12) connected to the correlation stage for processing the data drawn, after correlation, from the radio-frequency signals. The microprocessor means are arranged to configure at least one unused channel placed in parallel with one of the operating channels for searching and/or tracking the same visible satellite, the unused channel being configured so that the integration period of its integrator counter is different from the integration period of the integrator counter of the operating channel.
Farine Pierre-Andre
Montheard Anne
Oesch Yves
Asulab S.a.
Gowling Lafleur Henderson Llp
LandOfFree
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