Abstract
One of the challenging issues for OFDM (Orthogonal Frequency Division Multiplexing) systems are its PAPR. Proposed review and analysis of various OFDM PAPR reduction methods are based on computational, complexity, spectral spillage and performance. Our aim is a non linear companding technique is proposed to reduce high PAPR of OFDM. Which can use companding for Peak to Average Power Ration control is explored for linking a nonlinear transmit power amplifier with OFDM. In this article analyses the improvement in Bit Error Rate and overall system performance by employing non linear companding technique for PAPR reduction in Digital Video Broadcasting system. Index-terms: Bit Error Rate (BER), DVB-T, OFDM, PAPR.
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