Determining actual loop gain in a distributed antenna system (DAS)
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United States of America Patent
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Jan 30, 2018
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app pub date -
May 18, 2016
filing date -
Jun 1, 2015
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Abstract
Embodiments of the disclosure relate to determining actual loop gain in a distributed antenna system (DAS). In this regard, a test signal(s) having a first power level is injected into a DAS from a first contact point. The test signal(s) is configured to propagate from the first contact point to a second contact point over a downlink path and an uplink path, thus creating a signal loop(s). A second power level of the test signal(s) is measured at the second contact point, and an actual loop gain of the DAS is determined by subtracting the first power level from the second power level. By determining the actual loop gain of the DAS, it is possible to further determine a gain margin of the DAS. Based on the gain margin, it is possible to determine optimization possibilities for the DAS to maximize capacity and performance of the DAS.
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