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An Improved Entropy Based Sensing by Exploring Phase Information
Haowei Lee(이호위),Junrong Gu(구준롱),SungHwan Sohn(손성환),SungJeen Jang(장성진),JaeMoung Kim(김재명) 한국통신학회 2010 韓國通信學會論文誌 Vol.35 No.9a
In this paper, we present a new sensing method based on phase entropy. Entropy is a measurement which quantifies the information content contained in a signal. For the PSK modulation, the information is encoded in the phase of the transmitted signal. By focusing on phase, more information is collected during sensing, which suggests a superior performance. The sensing based on Phase entropy is not limited to PSK signal. We generalize it to PAM signal as well. It is more advantageous to detect the phase. The simulation results have confirmed the excellent performance of this novel sensing algorithm.