Introduction 1 An Overview of Computational Modeling and Simulations in Wireless Communication Systems 2 Historical Perspectives on Computational Modeling and Simulation in Wireless Communication Systems 3 Computational Modelling of Communication Systems and Networks 4 Computational Modeling and Analysis of Wireless Sensor Networks 5 Security Measures in Computational Modeling and Simulations 6 Computational Models for Training, Testing, and Validating Wireless Networks and Systems 7 Modeling and Simulation of Non-Lambertian Beams-Based Vehicular Visible Light Communications in 6G and Beyond 8 Application of Computational Modeling in Electronics Devices 9 High-Speed Stream Ciphers for Wireless Communication Systems: Design and Simulation 10 Legal Frameworks Regulating Computational Models in Wireless Communication Systems 11 Government Policies and Economics of Computational Modelling in Wireless Networks 12 An Enhanced Lightweight Cryptographic Algorithm Towards Securing Wireless Networks and Big Data 13 Computational Models Enabling Smart Teaching and Learning in Wireless Communication Systems 14 Stochastic Geometry and Federated Learning in Computational Modeling of Communication Systems 15 Wireless Network Encryption: Stream Ciphers, Computational Modeling, and Security Analysis 16 Computational Modeling of Enhanced Spread Spectrum Codes for Asynchronous Wireless Communication