Synchronizing a radio network with end user radio terminals
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United States of America Patent
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-
May 7, 2013
Grant Date -
Jul 28, 2011
app pub date -
Mar 24, 2011
filing date -
May 21, 2001
priority date (Note) -
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status (Latency Note)
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Abstract
A wireless communications device comprises a communication receiver and a positioning system receiver in the wireless mobile communication device. An absolute time signal is received at the positioning system. A network time signal is received at the communication receiver of the wireless mobile communication device. A controller is in signal communication with the position system receiver and the communication receiver. The controller is configured to determine an offset of the absolute time signal from the network time signal and generates a timing mark. The timing mark is tagged by the positioning system receiver with an internal clock value wherein the timing mark has a known relationship with the absolute time signal. A memory stores the offset of the absolute time signal from the network time signal. A transmitter in the wireless mobile communication device transmits the offset for receipt by another wireless mobile communication device.
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