METHOD AND APPARATUS FOR CHANNEL ESTIMATION FOR THREE-PHASE PLC SYSTEMS
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United States of America Patent
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Mar 16, 2017
app pub date -
Sep 12, 2016
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Sep 11, 2015
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Abstract
A method and apparatus for channel estimation for a three-phase communication system. In one embodiment, the method comprises generating a first plurality of preamble patterns for use in a first data stream of two independent data streams; generating a second plurality of preamble patterns for use in a second data stream of the two independent data streams; transmitting the first and the second data streams via a communications channel comprising a three-wire three-phase system; receiving a version of the first data stream comprising the first plurality of preamble patterns and a version of the second data stream comprising the second plurality of preamble patterns; and generating, based on the received version of the first plurality of preamble patterns and the received version of the second plurality of preamble patterns, a channel estimation matrix for estimating the imbalance of the communications channel.
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