| 摘要 |
An apparatus for estimating a propagation delay time using signal transmission/reception receives an initial reception signal or a signal of which frequency offset is compensated to correspond to a predetermined condition and detects a peak time of a received signal. Next, the propagation delay time estimating apparatus estimates and compensates frequency offset of the signal of which the peak time is detected and redetects the peak time of the received signal of which the frequency offset is compensated to compensate the peak time of the received signal.
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