Apparatus for estimating a line of sight signal propagation time

Details Apparatus for estimating a line of sight signal propagation time Apparatus for estimating a line of sight signal propagation time

1995-09-19

1997-11-25

Chin, Stephen

Pulse or digital communications

Repeaters

Testing

375346, 342357, H04B 1707, H04B 112, G01S 502, H03D 104

Patent

active

056920083

ABSTRACT:
A method and device for processing a signal are described, wherein an estimate of a multipath-induced contribution to a demodulated navigation signal is calculated and subtracted from said demodulated navigation signal to obtain an estimated line of sight contribution to said demodulated navigation signal, and a propagation time .tau..sub.0 is calculated from the thus calculated line of sight contribution to said demodulated navigation signal, such that a very accurate propagation time .tau..sub.0 of said navigation signal can be calculated.

REFERENCES:
patent: 4416017 (1983-11-01), Jasper et al.
patent: 4809005 (1989-02-01), Couselman, III
patent: 5313457 (1994-05-01), Hostetter et al.
patent: 5347536 (1994-09-01), Meehan
patent: 5402450 (1995-03-01), Lennen

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