FREQUENCY OFFSET ESTIMATOR OF MULTI-CARRIER RECEIVER FOR COMPENSATING EFFECTIVELY FREQUENCY OFFSET OF BROAD SECTION BY USING TPS AND ESTIMATING METHOD THEREOF

摘要

PURPOSE: A frequency offset estimator of a multi-carrier receiver and an estimating method thereof are provided to exclude interference due to a multi-path and estimate a frequency offset of a broad section by using TPS(Transition Parameter Signaling) to estimate a frequency offset. CONSTITUTION: A FFT(Fast Fourier Transform) unit(200) transforms a received signal to a frequency domain signal. A TPS(Transmission Parameter Signaling) error detector(250) is used for comparing a transmission information signal with the transformed frequency domain signal and determining a shifting state of the transmission information signal on the basis of the compared result. The received signal is a TDS-OFDM(Time Domain Synchronous-Orthogonal Frequency Division Multiplexing) signal.