The aim of this book is to evaluate Peak to Average Power Ratio (PAPR) reduction performance in 5G communication. 5G communication technology is beyond 4G and LTE technology and expected to be employed near the future. One of the key objectives of 5G technology is to achieve high data rate (10Gbps) addition to both power efficiency and lower bit error rateThis demand of high data rate can be fulfilled by the single carrier modulation with compromising the tradeoff between the power efficiency and bit error rate. Again in the presence of frequency selective fading environment, it is very difficult to achieve high data rate for this single carrier modulation with a lower bit error rate performance. With considering an advance step towards the multi carrier modulation scheme it is possible to get high data rate in this multipath fading channel without degrading the bit error rate performance. To achieve better performance using multi carrier modulation we should make the subcarriers to be orthogonal to each other i.e. known as the Orthogonal Frequency Division Multiplexing (OFDM) technique.

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