IEEE

Anti-interference Performance of QPSK Modulation and Demodulation Technology in Mobile Communication with MATLAB Simulation

Abstract: In the field of modern mobile communication, (Quadrature Phase Shift Keying) QPSK modulation technology is widely used, which has a great advantage that it can work normally in a limited ...
TechRepublic

Implementation of Digital QPSK Modulator by Using VHDL/MATLAB

The modulators are the basic requirement of the communication systems they are designed to reduce the channel distortion & to use in RF communication hence many type of carrier modulation techniques ...
TechRepublic

Analysis on QPSK Modulation Technique for Wideband Code Division Multiple Access

This paper is the study of the QPSK (Quadrature Phase Shift keying) modulation technique using AWGN (Additive White Gaussian Noise) and Multipath Rayleigh fading channel. In QPSK scheme the authors ...
IEEE

The performance of preRAKE diversity combining under imperfect channel estimation based on QPSK modulation in TDD CDMA system

Abstract: This paper analyzes the performance of preRAKE techniques., which is proposed for the time-division duplex (TDD) code-division multiple-access (CDMA) systems, based on quarter phase-shift ...