Proportional presentation investigation of dissimilar intonation methods for ber and papr decline by firefly algorithm of OFDM signal

<p>Orthogonal Frequency Division Multiplexing (OFDM) may be a digital transmission<br>methodology developed to satisfy the increasing demand for higher information rates in<br>communications which may be employed in each wired and wireless environments. However<br>OFDM is significantly affected by peak-to-average-power ratio (PAPR). This paper describes the<br>issue of the PAPR in OFDM which is a major drawback, and presents firefly algorithm used for<br>optimizing companding technique to reduce it. The effect on system performance in terms of the<br>Bit Error Rate (BER) is simulated for an OFDM transceiver with a saturated High Power<br>Amplifier and the simulation results are compared with other techniques proposed in literature.</p>