Apparatus and method for antenna matching
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United States of America Patent
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Nov 8, 2016
Grant Date -
Oct 29, 2015
app pub date -
May 19, 2014
filing date -
Apr 28, 2014
priority date (Note) -
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status (Latency Note)
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Abstract
A method and apparatus are for performing antenna matching and include determining a cable connection state of a cable connector, generating a cable detection signal that indicates the cable connection state, and modifying impedance transform of a tunable matching circuit in response to the cable detection signal. The cable detection signal indicates one of a presence and an absence of a cable connector. The tunable matching circuit couples a transceiver and an antenna. The tunable matching circuit couples the selected impedance transform between the transceiver and the antenna. The apparatus is a radio communication device that includes a transceiver, a processing system, an antenna, a tunable matching circuit, an input/output section, a cable connector, and a sensor.
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