OFDM means Orthogonal frequency-division multiplexing. This is a method on encoding data which in digital television and radio. It is also used on 4G networks.
SISO-OFDM is an OFDM system with one transmit and one receive antenna.
OFDM uses 48 subchannels for data and 4 are used as Pilot Carriers.
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In OFDM, sub-carrier spacing is maintained in such a way that the maximum of one sub-carrier occurs at the minimum of the successive sub-carrier, a loss of orthogonality results if this pattern is not achieved in the sub-carriers of OFDM transmission. Loss of orthogonality is due to ISI, ICS, Frequency offset amongst the sub-carriers of OFDM.
Orthogonal frequency-division multiplexing
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OFDM
OFDM
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