Node unit of distributed antenna system
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United States of America Patent
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Oct 27, 2020
Grant Date -
Jan 25, 2018
app pub date -
Apr 23, 2015
filing date -
Apr 17, 2015
priority date (Note) -
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status (Latency Note)
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Abstract
The present invention provides a distributed antenna system for automatically detecting an abnormally operating node unit. According to an embodiment of the present invention, a node unit of the distributed antenna system includes a signal input unit configured to receive and output first through n-th state information from n other node units connected to the node unit, where n is a natural number greater than or equal to 2; and a controller configured to analyze the first through n-th state information and to determine states of uplink signals respectively corresponding to the first through n-th state information. Each of the n other node units may analyze a signal received through a service antenna and generate the state information.
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