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A Coherent Phase Sequence Detection Scheme for SLM-based OFDM Systems without Side Information
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 Title & Authors
A Coherent Phase Sequence Detection Scheme for SLM-based OFDM Systems without Side Information
Ryu, Chang Su; Joo, Jung Suk;
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In this paper, we consider selective mapping (SLM) based OFDM systems without side information, where SLM is one of the promising peak-to-average power ratio (PAPR) reduction techniques due to its simplicity and no distortion in the transmitted signal. First, we construct a new phase sequence where a part of phase sequence is replaced by an orthogonal sequence. Based on the proposed phase sequence, we propose a new scheme for detecting coherently the index of the phase sequence used in transmitter without side information. Computer simulation shows that the proposed detection scheme performs well in SLM-based OFDM systems, and specifically outperforms the existing ones when channel variation is relatively small between sub-carriers used in phase sequence detection.
OFDM;selective mapping (SLM);phase sequence design;coherent detection;
 Cited by
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