Patent ID: 8391418

Claim:
A method of detecting symbols of an OFDM signal constituted by a plurality of carriers transmitted from another communication apparatus, comprising: selecting first carriers, where a phase difference between the symbols adjacent on a time domain is smaller than a predetermined value, from a plurality of carriers of a received signal; selecting second carriers, each of which has a phase of a predetermined relation of the OFDM signal with respect to another carrier, from the selected first carriers; and determining whether the received signal has the symbols of the OFDM signal transmitted from the another communication apparatus on the basis of the selection results of the first and second carriers, wherein: in the process of selecting second carriers, a carrier having a phase being “a phase of a basic carrier×N”, where an order of the carrier is N, as the phase of the predetermined relation is selected as the second carrier on the basis of the phase of the basic carrier and the order of the carrier.