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Apply QAM modulation to the data symbols. Specify unit average power for the transmitted signal. Pass the modulated signal through an AWGN channel. Demodulate the received signal using hard decision and approximate LLR methods. Specify unit average power for the received signal. Viterbi decode the signals using hard and unquantized methods
In DPSK modulation, serial binary data pass through X-NOR gate and the output is fed back via 1 bit delay. The resulting bit stream is applied to the balanced modulator to produce DPSK signal. DPSK demodulation using DPSK demodulator. Figure-2 depicts the process of DPSK demodulation using DPSK demodulator in the form of a block diagram.
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Browse other questions tagged python qpsk array-signal-processing or ask your own question. ... QPSK Modulation/Demodulation in C++. 1. QPSK and OQPSK Modulation. 0.
QPSK and 8PSK are proposed as standard configurations for broadcasting business, while 16APSK and 32APSK are optional. When it comes to interactive serves, digital satellites news gathering and other professional business, all the four modulation modes are used as mandatory formats. 4-ary quadrature amplitude modulation (4QAM), 16QAM and
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The following Matlab project contains the source code and Matlab examples used for qpsk modulatian and demodulation by using simulink. This file includes QPSK Modulatian and Demodulation Simulink Model.
Modulation Demodulation Pam. This model is an 8-ary modulator/demodulator based on Pulse Amplitude Modulation (PAM). You can change the Eb/N0 parameter in the "AWGN Channel" block to see the effect of the channel noise on the demodulated signal while the simulation is running.