DETECTING TRANSMISSION LINE IMPAIRMENTS USING REFLECTOMETRY
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United States of America Patent
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Issued Date -
Nov 17, 2016
app pub date -
May 10, 2016
filing date -
May 11, 2015
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Methods, systems, and devices are described for wired communication. In one aspect, a method relates to detecting cable impairments with reflectometry. The method includes transmitting a test signal and receiving one or more reflected signals in response to the test signal. The method also includes applying a first asymmetric windowing function to the one or more reflected signals to generate frequency domain data. Additionally, the method includes transforming the frequency domain data from a frequency-domain representation to a time-domain representation to generate a time domain reflectometry (TDR) signal. The method can detect and locate a bridge tap, line cut, and/or termination condition on the transmission line.
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