Method and device for synchronizing input/output signals by radio frequency unit in wireless communication system
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United States of America Patent
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Oct 22, 2019
Grant Date -
Jan 11, 2018
app pub date -
Feb 2, 2016
filing date -
Feb 2, 2015
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Abstract
The present invention relates to an input/output signal synchronization method by a radio frequency unit. The input/output signal synchronization method according to the present invention comprises the steps of: generating a transmitter (Tx) input signal by adding, to a baseband signal, a test signal located at a frequency out of an operation frequency range of the radio frequency unit; collecting the Tx input signal and a Tx output signal obtained by outputting the input signal through a Tx function block; and synchronizing the Tx input signal and the Tx output signals, based on a result obtained by the collecting.
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