PAPR reduction of FBMC using hybrid and k-hybrid techniques




PTS, TR, hybrid (PTS TR), k-hybrid, PAPR, FBMC


FBMC-OQAM is reflected as one of the most capable techniques for the next generation mobile communication namely 5G. It has several advantages as compared to orthogonal frequency division multiplexing (OFDM) but it also has some drawbacks like high peak power. Filter bank multi-carrier (FBMC) employs a group of filters at the transmitter and the receiver part of the system. The high peak power decreases the efficiency FBMC system. In this study, a joint (hybrid) peak to average power ratio (PAPR) reduction technique is carried out by using partial transmit sequence (PTS) and tone reservation (TR) for FBMC signals. The blocks of data signal are split into numerous segments and the blocks of each segment are decided on the basis of overlapping factor. In every part, we pick out the optimal block of data to transmit and mutually consider the contiguous coincided block to accomplish reduce peak signal. The simulation results reveal that the proposed technique is better than the conventional PAPR reduction technique. Additionally, k-hybrid PAPR reduction technique is carried out. It is observed that the performance of the proposed k-hybrid technique is better than the hybrid technique.


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