Abstract
Multicarrier transmission systems like OFDM supports high data rate and generally requires no equalization at the receiver, making them simple and efficient. This paper studies the design and performance analysis of a hybrid modulation system derived from multi-frequency and MQAM signals, employed in OFDM. This modulation scheme besides better bit error rate (BER) performance, exhibits low PAPR. The proposed hybrid modulator reduces PAPR while keeping the OFDM transceiver design simple, as it does not require any side information or a little side information (only one bit) to be sent and is efficient for arbitrary number of subcarriers. The results of the implementations are compared with conventional OFDM system
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