Abstract: A physical-layer encryption scheme using chaotic Quadrature Phase Shift Keying (QPSK) constellation is presented for secure Orthogonal Frequency-Division Multiplexing (OFDM) data ...

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Abstract: In this paper, peak-to-average power ratio (PAPR) problem of OFDM based waveforms is considered with the transmission of $\frac{\pi }{4}$ rotated QPSK, $\frac{\pi }{2}$ rotated BPSK ...

A wave of artificial intelligence infrastructure is sparking a massive U.S. power boom, with Goldman Sachs projecting electricity demand growth not seen since the 1990s — and it’s opening the door to ...

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National Engineering Research Center for Nanomedicine, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan 430074, China National Engineering Research Center ...