Differential phase measurement scheme for a multiplexing GPS att

Details Differential phase measurement scheme for a multiplexing GPS att Differential phase measurement scheme for a multiplexing GPS att

1997-04-10

1999-07-27

Hellner, Mark

Communications: directive radio wave systems and devices (e.g.,

Directive

Including a satellite

701214, H04B 7185, G01S 502

Patent

active

059298057

ABSTRACT:
A method for reducing master antenna tracking errors in a multiplexing GPS receiver resulting in a differential phase measurement scheme which is insensitive to the master antenna tracking loop errors is disclosed. The master antenna tracking loop error at a given update K is subtracted from a phase measurement associated with a slave antenna signal at update K. The method comprises the determination of interpolation coefficients by which the master antenna tracking loop errors are weighted in order to minimize each of the slave antenna differential measurements.

REFERENCES:
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patent: 5534875 (1996-07-01), Diefes et al.
patent: 5543804 (1996-08-01), Buchler et al.
patent: 5548293 (1996-08-01), Cohen
patent: 5561432 (1996-10-01), Knight

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