Importance

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Abstract

A radio communication device includes a semiconductor integrated circuit including a transmission path and a reception path; a determination unit that determines whether firmware used for processing in the semiconductor integrated circuit is updated; an input unit that inputs predetermined test data to the transmission path when it is determined that the firmware is updated; a measurement unit that measures a time until the test data returns from the reception path; and a processor that compares the measured time with a reference time, and adjusts a delay time of a signal based on a result of the comparison, wherein the semiconductor integrated circuit includes a bypass that connects the transmission path and the reception path to turn back the test data to the reception path at a stage prior to conversion of a frequency of the test data to the radio frequency.

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First Claim