Abstract
Peak-to-average power ratio (PAPR) is an important indicator of orthogonal frequency division multiplexing (OFDM) communication system. In order to improve the power efficiency of the OFDM system transmitter, it is desirable that PAPR will be as small as possible. In this paper, a kind of hybrid sequence set with PAPR equal to 3dB is proposed. The proposed hybrid sequence set consists of two sequence subsets, namely a binary real sequence subset and its corresponding complex sequence subset. When such hybrid sequence set is used in a M-ary spread spectrum (MSS) OFDM communication system, the data rate of the MSS-OFDM system will be improved without any increase in PAPR. The construction method of PAPR-3dB hybrid sequence set is provided in this paper, and its corresponding performance is analyzed. Simulation results show the efficiency of the proposed method.
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