DETERMINING RELATIVE ELEVATION USING GPS AND RANGING
First Claim
1. A method for determining a position of a wireless communication device, the method comprising the steps of:
- (a) determining an (x,y) position of a first wireless communication device;
(b) determining an (x,y) position of a second wireless communication device;
(c) determining a distance between the first wireless communication device and the second wireless communication device; and
(d) determining a relative elevational differential between the first wireless communication device and the second wireless communication device based on, (i) the determined (x,y) positions of the first and second wireless communication devices, and (ii) the determined distance between the first and second wireless communication devices.
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0 Petitions
Accused Products
Abstract
A system and method are disclosed for determining a position of a wireless communication device. A method includes determining a respective (x,y) position of two wireless communication devices, determining a distance between the two wireless communication devices, and determining a relative elevational differential between the two wireless communication devices. The relative elevational differential is determined based on the determined (x,y) positions of the two wireless communication devices and the determined distance between the first and second wireless communication devices. The (x,y) positions may be determined using GPS receivers incorporated in the wireless communication devices. Determining the distance between the devices may be accomplished using RF ranging. The relative elevational differential may be derived using the Pythagorean theorem.
125 Citations
23 Claims
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1. A method for determining a position of a wireless communication device, the method comprising the steps of:
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(a) determining an (x,y) position of a first wireless communication device;
(b) determining an (x,y) position of a second wireless communication device;
(c) determining a distance between the first wireless communication device and the second wireless communication device; and
(d) determining a relative elevational differential between the first wireless communication device and the second wireless communication device based on, (i) the determined (x,y) positions of the first and second wireless communication devices, and (ii) the determined distance between the first and second wireless communication devices. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A method for determining a position of a wireless communication device, the method comprising the steps of:
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(a) determining an (x,y) position of a first wireless communication device;
(b) determining an (x,y) position of a second wireless communication device;
(c) determining a distance between the first wireless communication device and the second wireless communication device; and
(d) determining a (z) position of the first wireless communication device;
(e) determining a (z) position of the second wireless communication device based on, (i) the determined (x,y) positions of the first and second wireless communication devices, (ii) the determined distance between the first and second wireless communication devices, and (iii) the determined (z) position of the first wireless communication device. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16)
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17. A method for determining a position of a wireless communication device, the method comprising the steps of:
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(a) determining an (x,y) position of a first wireless communication device;
(b) determining an (x,y) position of a second wireless communication device;
(c) determining a distance between the first wireless communication device and the second wireless communication device;
(d) determining a relative elevational differential between the first wireless communication device and the second wireless communication device based on, (i) the determined (x,y) positions of the first and second wireless communication devices, and (ii) the determined distance between the first and second wireless communication devices;
(e) determining an (x,y) position of a third wireless communication device;
(f) determining a distance between the first wireless communication device and the third wireless communication device;
(g) determining a relative elevational differential between the first wireless communication device and the third wireless communication device based on, (i) the determined (x,y) positions of the first and third wireless communication devices, and (ii) the determined distance between the first and third wireless communication devices. - View Dependent Claims (18, 19, 20, 21, 22, 23)
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Specification