Balancing method of tunable duplexer
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United States of America Patent
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Jun 21, 2016
Issued Date -
N/A
app pub date -
Dec 16, 2013
filing date -
Dec 16, 2013
priority date (Note) -
In Force
status (Latency Note)
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Abstract
An apparatus comprises a tunable duplexer configured to output a transmission signal to be wirelessly transmitted from the apparatus at a transmission frequency, and configured to input a reception signal wirelessly received by the apparatus at a reception frequency, a tuning device connected to the tunable duplexer, configured to control a balance between impedances of an antenna port and of a balance port of the tunable duplexer, a transmitting device configured to, during a predetermined time period, wirelessly transmit a specific transmission signal for calibration of the tunable duplexer, a receiving device configured to, during the predetermined time period, wirelessly receive the specific transmission signal transmitted by the transmitting device, and a measuring device configured to, during the predetermined time period, measure the power of the specific transmission signal received by the receiving device. The tuning device controls the balance based on the measured power of the specific transmission signal.
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