COMMUNICATION DEVICE USING POWER LINE AND METHOD OF OPERATING THE SAME
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United States of America Patent
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Issued Date -
Dec 17, 2015
app pub date -
Jun 16, 2015
filing date -
Jun 16, 2014
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Abstract
A power line communication device of an electric vehicle (EV) coupled to electric vehicle service equipment (EVSE) through a power line is provided. The power line communication device includes a noise measurement unit for applying a first voltage signal to the EVSE through the power line, receiving a second voltage signal output from the EVSE in response to the first voltage signal, and generating noise information comprising information on a result of comparison between the second voltage signal and the first voltage signal. The power line communication device includes a signal attenuation correction unit for receiving a plurality of power line signals from the EVSE and generating signal attenuation information based on the generated noise information and the plurality of power line signals. The power line communication device includes a communication modem for performing a communication exchange with the EVSE based on the generated signal attenuation information.
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