Patent ID: 7760617

Claim:
A computer implemented method of configuring a data packet including an orthogonal frequency division multiplexing (OFDM) preamble in a wireless communication system, the method comprising: configuring the data packet, by a base station (BS), to include the OFDM preamble in a first region, a pilot and medium access control (MAC) information in a second region, and a data symbol in a third region; allocating the OFDM preamble, by the BS, to at least one but not all of a plurality of sub-bands of a prescribed bandwidth in the first region while allocating the OFDM preamble across an entire time duration of the first region; and allocating the data symbol, by the BS, to at least one of the plurality of sub-bands of the prescribed bandwidth in the first region not occupied by the OFDM preamble.