MATLAB Source Code for Spread Spectrum Communication

This document provides MATLAB source code for spread spectrum communication systems accompanied by detailed documentation. The source code includes key algorithms and functions essential for implementing spread spectrum communication, featuring core components such as: - PN sequence generation using shift registers for spreading codes - BPSK/QPSK modulation schemes with carrier synchronization - Direct sequence spread spectrum (DSSS) implementation with chip-rate processing - Correlation-based despreading algorithms and matched filter detection - Bit error rate (BER) calculation modules with Monte Carlo simulation The documentation explains the functionality and usage of each code section, including parameter configuration methods, algorithm implementation approaches, and performance evaluation techniques. The codebase contains modular functions for signal generation, spreading, modulation, channel simulation, and reception processing, allowing both beginners and experienced developers to deepen their understanding and practical application of spread spectrum communication technology through hands-on experimentation and customization.