MATLAB-Based QPSK Modulation and Demodulation Simulation

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Resource Overview

A MATLAB simulation program for QPSK modulation and demodulation with comprehensive code implementation details, designed to facilitate understanding of digital communication principles.

Detailed Documentation

This MATLAB-based QPSK modulation and demodulation simulation program serves as a practical educational tool for digital communication systems. The implementation includes key components such as symbol mapping using Gray coding, raised cosine filtering for pulse shaping, and carrier modulation/demodulation techniques. Through this simulation, users can experiment with different parameter configurations including SNR values, filter roll-off factors, and synchronization parameters to observe their impact on BER performance. The code demonstrates practical implementation of quadrature phase shift keying with I/Q component separation, enabling hands-on analysis of constellation diagrams, eye patterns, and error rate calculations. This simulation package provides valuable insights for both learning fundamental concepts and conducting research in digital communication systems.

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