| 摘要 |
A sampling offset estimation apparatus including a pilot sub-carrier refiner, an information sub-carrier refiner, a data sub-carrier refiner, and a sampling offset estimator. The pilot sub-carrier refiner to refine a pilot sub-carrier extracted from a differential demodulated signal, and to generate a reference pilot sub-carrier. The information sub-carrier refiner to refine an information sub-carrier extracted from the differential demodulated signal, and to generate a reference information sub-carrier. The data sub-carrier refiner to refine a data sub-carrier extracted from the differential demodulated signal, and to generate a reference data sub-carrier. The sampling offset estimator to estimate a sampling offset included in the differential demodulated signal, on a basis of the reference pilot sub-carrier, the reference information sub-carrier, and the reference data sub-carrier.
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