Communication terminal having TDD switch with isolating function and driving method thereof
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United States of America Patent
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Apr 7, 2015
Grant Date -
May 16, 2013
app pub date -
Aug 1, 2011
filing date -
Aug 3, 2010
priority date (Note) -
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status (Latency Note)
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Abstract
A communication terminal and a driving method thereof are provided. The driving method of a communication terminal includes: forming a transmitting path and an absorption path by controlling a time division duplex (TDD) switch in a transmitting mode to isolate the transmitting path and the receiving path from an absorption path, the transmitting path transmitting a transmitting signal in a wireless scheme, and the absorption path diverged from the transmitting path through a circulator of the TDD switch to block a reflecting signal in the transmitting signal reversely transferred to the transmitting path; processing the transmitting signal through the transmitting path. Because a TDD switch has an isolation function, insertion loss in a transmitting path may be suppressed.
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