Alternatives to satellite signals for synchronization in macro network
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United States of America Patent
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Dec 12, 2017
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app pub date -
Nov 3, 2014
filing date -
Jun 11, 2010
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Abstract
Disclosed herein are methods and systems that may help a base station provide high-speed data communication under a protocol such as LTE or WiMAX, even when a GPS signal is not available to the base station. In an exemplary embodiment, a base station may acquire a high-stability reference signal via a subcarrier of a terrestrial broadcast signal, such as an FM radio signal, and may coordinate the timing frame transmissions with other nearby base stations, instead of relying upon a GPS signal for such functionality.
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