Abstract: This paper proposes a Quadrature Phase Shift Keying (QPSK) using three different methods. QPSK is one of the forms of Phase Shift Keying (PSK) modulation scheme. Generally a conventional ...
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Abstract: Polarization-switched quadrature phase-shift keying (PS-QPSK) is a recently introduced 4-D signal constellation that has a power efficiency (and sensitivity) advantage over ...
MATLAB Imitation Modeling for the BER of the Satellite Communication System using QPSK and OFDM Modulation with LS Channel Estimation based on Pilot Signals in the Transionospheric Communication ...
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