Communications: directive radio wave systems and devices (e.g. – Directive – Including a satellite
Reexamination Certificate
2007-03-06
2007-03-06
Tarcza, Thomas H. (Department: 3662)
Communications: directive radio wave systems and devices (e.g.,
Directive
Including a satellite
C342S358000
Reexamination Certificate
active
11402019
ABSTRACT:
A positioning satellite for a constellation of satellites of a radio navigation satellite system includes transmitter adapted to transmit operational signals intended to enable the determination of positions of radio navigation receivers, receiver adapted to receive at least some of the operational signals transmitted by positioning satellites of the constellation that are in view and processor adapted to interrupt transmission of the operational signals by the transmitter at selected times for a selected duration and to analyze during each transmission interruption at least some of the operational signals received by the receiver during at least a portion of the selected duration, for example to verify the waveform thereof and/or to determine pseudodistances.
REFERENCES:
patent: 6462707 (2002-10-01), Clark et al.
patent: 2003/0040852 (2003-02-01), Green et al.
P.A.M. Abusali, Autonomous Navigation of Global Positioning System Satellites Using Cross-Link Measurements, Journal of Guidance, Control, and Dynamics, vol. 21 (2), p. 321, Mar.-Apr. 1998.
Damidaux Jéan-Louis
Flament Didier
Alcatel
Mull F H
Tarcza Thomas H.
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