Parallel correlator for global positioning system receiver

Details Parallel correlator for global positioning system receiver Parallel correlator for global positioning system receiver

1995-01-20

1996-11-26

Blum, Theodore M.

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

Directive

Including a satellite

364604, H04B 7185, G01S 502

Patent

active

055790143

ABSTRACT:
A correlator for identifying global positioning satellites includes an antenna at a central location for receiving signature signals from a plurality of the satellites. Each received signal is converted from analog to digital form. A filter is employed to correlate each digital signal with a respective, unique code sequence. Each filtered digital signal is supplied to a circuit which produces an indication that identifies each satellite from the filtered digital signal supplied to the circuit.

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US Patent 5,181,225 (Nesser et al.) is a US counterpart of European Patent 486833A1 (reference AM).

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