Two channel global positioning system receiver

Details Two channel global positioning system receiver Two channel global positioning system receiver

1991-07-18

1992-12-29

Issing, Gregory C.

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

Directive

Including a satellite

375 1, G01S 502, H04B 7185, H04B 1500

Patent

active

051755572

ABSTRACT:
A method and apparatus for operating a two channel digital global positioning system receiver for receiving coded satellite signals from each of a plurality of satellites, where the signals exhibit Doppler shifts. The method comprises the steps of continuously tracking of a particular one of the satellites for receiving information included in the coded satellite signals by one channel of the receiver, and sequentially tracking of each of the plurality of satellites, except the one particular satellite, by the other channel of the receiver for receiving information included in the coded satellite signals.

REFERENCES:
patent: 3728485 (1973-04-01), Osborne et al.
patent: 4545075 (1985-10-01), Miller et al.
patent: 4578678 (1986-03-01), Hurd
patent: 4785463 (1988-11-01), Janc et al.
patent: 4841544 (1989-06-01), Nuytkens
patent: 4894842 (1990-01-01), Broekhoven et al.
patent: 5036329 (1991-07-01), Ando
Hurn, "GPS A Guide to the Next Utility", Trimble Navigation. Selecting a GPS receiver pp. 62-69.

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