station 104 may be a fixed device or a mobile device that may provide the mobile stations 108 and 112 with network access the base station 104 may be an access point a base transceiver station a radio base station a node b etc the wireless communication devices 104 108 and 112 may have respective antenna structures 120 124 and 128 to facilitate the communicative coupling each of the antenna structures 120 124 and 128 may have one or more antennas an antenna may be a directional or an omnidirectional antenna including e g a dipole antenna a monopole antenna a patch antenna a loop antenna a microstrip antenna or any other type of antenna suitable for transmission reception of radio frequency rf signals briefly the base station 104 may have a baseband processing block bpb 132 coupled to a transmitter 136 the bpb 132 may be configured to encode input data which may be received in a binary format as an ofdm signal on logical subcarriers of a virtual carrier the logical subcarriers may be mapped to physical subcarriers from at least two adjacent physical carriers the bpb 132 may then control the transmitter 136 to transmit the ofdm signal on the physical subcarriers fig2 is a flowchart depicting operations of the base station 104 in accordance with some embodiments at block 204 an encoder 140 of the bpb 132 may receive input data from.