Comparative Study of FLIP-OFDM and ACO-OFDM for Unipolar Communication System

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Provided by: International Journal of Innovative Science Engineering and Technology (IJISET)
Topic: Software
Format: PDF
Recent advances in wireless communication systems have increased the throughout over wireless channels. Unipolar communications systems can transmit information using only real and positive signals. The authors consider two unipolar OFDM techniques such as FLIP-OFDM and ACO-OFDM. This includes a variety of physical channels ranging from optical, to RF wireless using amplitude modulation with non-coherent reception, to baseband single wire communications. Both the techniques enable to efficiently compensate frequency selective distortion in the unipolar communication systems. In this paper, FLIP-OFDM and ACO-OFDM have been compared and it has shown that both techniques have the same spectral energy, SNR and BER but FLIP-OFDM offers fifty percent saving in hardware complexity over ACO-OFDM.
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