orthogonal frequency division multiplexing (ofdm) has become a promising method for many wireless communication applications. however, one main drawback of ofdm systems is the high peak-to-average power ratio (papr). selected mapping (slm) is a well-known technique to decrease the problem of high papr in ofdm systems. in this method, transmitter is obliged to send some bits named side informati...

We report on the realization of a novel fiber-optic radio frequency (RF) transfer scheme with bidirectional division multiplexing (FDM) dissemination technique. Here, proper map used in forward and backward directions for suppressing backscattering noise ensuring symmetry RF signals within one telecommunication channel. experimentally demonstrated 0.9 GHz signal over 120 km optical link relativ...

Problem statement: MB-OFDM UWB systems have attractive features and received a great attention. It has the capability of sending/receiving data at rates in access of 100 Mbits sec. Owing to the sensitivity of OFDM systems to synchronization errors, a fast synchronization algorithm is required to discern for the start of OFDM symbol. Existing approaches to OFDM time synchronization rely on their...