PAPR Reduction in OFDM Systems by New BSLM Techniques For Rayleigh Multipath Fading Channels

Orthogonal Frequency Division Multiplexing (OFDM) is an effective technique for high bit rate transmission in wireless communication systems Many researches have been carried out lo develop and enhance OFDM fficiency. Advantages of OFDM system make this technique as the most favorite modtilation scheme for digital audio and video broadcasting in Europe. Unfortunately OFDM has the drawback of a potentially high peak to average power ratio (PAPR) In this paper we present two new techniqttes based on selective Mapping (SLM) to redttce PAPR in OFEM systems in Rayleigh lutttltipath Fading Channels . Infact lhis paper is a continuation ofthe research presented by the authors in [8].

کلیدواژه ها:

PAPR reduction ، OFDM ، BSLM techniques ، Rayleigh Multipath Fading Channels