Wireless Sensor Network (WSN) Localization MATLAB Simulation Program

This article presents a highly comprehensive MATLAB simulation program for Wireless Sensor Network (WSN) localization. The program provides researchers with a robust framework for conducting localization experiments in wireless sensor networks, featuring extensive functionality and configuration options. Built using MATLAB's powerful computational environment, the simulation implements key localization algorithms including: - Range-based methods (RSSI, TOA, TDOA) with signal propagation models - Range-free approaches (DV-Hop, Centroid, APIT) for hardware-constrained scenarios - Statistical filtering techniques (Kalman Filter, Particle Filter) for position refinement The code architecture employs modular design with separate functions for: - Node deployment and network topology generation - Distance measurement simulation with environmental noise modeling - Positioning algorithm implementation and error calculation - Visualization tools for tracking convergence and accuracy metrics Users can customize parameters through configuration files or GUI interfaces, modifying network size, anchor node ratios, communication ranges, and algorithm parameters to match specific research requirements. The package includes detailed documentation covering: - Algorithm implementation methodologies and mathematical foundations - Code structure explanation with function dependency diagrams - Performance benchmarking guides and result interpretation - Extension guidelines for integrating custom localization methods This simulation toolkit serves as an invaluable resource for WSN researchers, providing both educational foundations for beginners and advanced experimentation capabilities for experienced developers working on localization challenges in wireless sensor networks.