Paper Title
PAPR Reduction Techniques Focusing On Harmony Search Algorithm

The Orthogonal Frequency Division Multiplexing (OFDM) is one of the finest modulation techniques used now-a-days. With high spectral efficiency it has a severe drawback of having high Peak-to-Average-Power (PAPR).This paper focuses on the threshold-based piecewise companding technique and harmony search algorithm technique to reduce the PAPR. The threshold-based-piecewise companding technique obtains reduction in PAPR with low bit error rate (BER) loss, while, harmony search algorithm obtains reduction in PAPR with reduced computational complexity. Keywords- Bit Error Rate (BER), Harmony Search Algorithm (HSA), Orthogonal Frequency Division Multiplexing (OFDM), Peak-to-Average-Power Ratio (PAPR), Threshold-based Piecewise Companding.