Master reference for base station network interface sourced from distributed antenna system
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United States of America Patent
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Dec 1, 2020
Grant Date -
Nov 8, 2018
app pub date -
Jul 9, 2018
filing date -
Feb 22, 2013
priority date (Note) -
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status (Latency Note)
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Abstract
A distributed antenna system (DAS) includes: a base station network interface; and a remote antenna unit communicatively coupled to the first base station interface, the remote antenna unit including an antenna. The remote antenna unit configured to: receive a radio frequency band signal from a subscriber unit; convert the radio frequency band signal into a data stream; and communicate the data stream with the first base station network interface. The first base station network interface is configured to: convert the data stream or a signal derived from the data stream into a communication signal, wherein a mater reference clock is distributed between various components of the DAS to keep the various components of the DAS locked to a single clock; and communicate the communication signal and the master reference clock to an external device, the external device configured to lock its clock to the master reference clock.
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