Pseudolite translator for unlicensed frequencies
First Claim
1. A pseudolite translator comprising:
- a receiver adapted to receive position information having a first frequency, said position information transmitted from a pseudolite;
a frequency converting processor for converting said position information having said first frequency to position information having a second frequency, said frequency converting processor coupled to said receiver; and
an output unit coupled to said frequency converting processor, said output unit adapted to communicate said position information of said second frequency to a position determining device.
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Accused Products
Abstract
A pseudolite translator apparatus and method for using a pseudolite translator. In one embodiment, a pseudolite translator includes a receiver which is adapted to receive position information having a first frequency. The position information is transmitted from a pseudolite. In the present embodiment, the first frequency at which the position information is transmitted from the pseudolite is an unlicensed frequency. A frequency converting processor of the translator converts the position information having the first unlicensed frequency to position information having a second frequency. The translator also contains an output unit which is coupled to the frequency converting processor. The output unit is adapted to communicate the position information having the second frequency to a position determining device.
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Citations
7 Claims
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1. A pseudolite translator comprising:
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a receiver adapted to receive position information having a first frequency, said position information transmitted from a pseudolite; a frequency converting processor for converting said position information having said first frequency to position information having a second frequency, said frequency converting processor coupled to said receiver; and an output unit coupled to said frequency converting processor, said output unit adapted to communicate said position information of said second frequency to a position determining device. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A translator for communicating with a pseudolite, said translator comprising:
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a receiver adapted to receive position information from a pseudolite, said position information received from said pseudolite at a frequency selected from the group of frequencies consisting of 902-928 MHz, 2400-2483.5 MHz, 5725-5875 MHz, and 24.0-24.5 GHz; a frequency converting processor for converting said position information having said frequency selected from the group of frequencies consisting of 902-928 MHz, 2400-2483.5 MHz, 5725-5875 MHz, and 24.0-24.5 GHz, to position information having a frequency selected from the group of frequencies consisting of 1575.42 MHz and 1227.6 MHz, said frequency converting processor coupled to said receiver; and an output unit coupled to said frequency converting processor, said output unit adapted to communicate said position information of said frequency selected from the group of frequencies consisting of 1575.42 MHz and 1227.6 MHz to a conventional GPS receiver.
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Specification