SYSTEMS AND METHODS FOR VIRTUALLY SYNCHRONIZING UNSYNCHRONIZED OR LOOSELY SYNCHRONIZED NETWORKS FOR POSITION LOCATION DETERMINATION
3 Assignments
0 Petitions
Accused Products
Abstract
Methods of operating a position network center, which includes at least one server, may include receiving timing-error data corresponding to a plurality of unsynchronized or loosely synchronized transmitters from at least one position network receiver. Moreover, the methods may include transmitting data indicating a plurality of timing errors by the plurality of unsynchronized or loosely synchronized transmitters to a wireless user device that receives signals from the plurality of unsynchronized or loosely synchronized transmitters. Related position network centers, position network receivers, and wireless user devices are also described.
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Citations
27 Claims
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1. (canceled)
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2. A method of operating a position network center comprising at least one server, the method comprising:
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receiving, at the position network center, timing-error data corresponding to a plurality of unsynchronized or loosely synchronized transmitters, from at least one position network receiver; and transmitting, from the position network center, data that indicates a plurality of timing errors by the plurality of unsynchronized or loosely synchronized transmitters, to a wireless user device that receives signals from the plurality of unsynchronized or loosely synchronized transmitters, after receiving the timing-error data from the at least one position network receiver at the position network center. - View Dependent Claims (3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A method of operating a position network receiver, the method comprising:
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receiving signals from a plurality of unsynchronized or loosely synchronized transmitters; calculating timing errors corresponding to the plurality of unsynchronized or loosely synchronized transmitters; and transmitting timing-error data that indicates the timing errors, to a position network center comprising at least one server. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19)
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20. A method of operating a wireless user device, the method comprising:
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receiving a signal from an unsynchronized or loosely synchronized transmitter; receiving timing-error data corresponding to the unsynchronized or loosely synchronized transmitter, from a position network center comprising at least one server; and determining a position location of the wireless user device, using the timing-error data corresponding to the unsynchronized or loosely synchronized transmitter. - View Dependent Claims (21, 22, 23, 24, 25, 26, 27)
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Specification