This book constitutes the refereed post-conference proceedings of the 16th International Conference on Wireless Internet, WiCON 2023, held in Athens, Greece, in December 15-16, 2023. The 14 full papers were selected from 35 submissions and are grouped into the following topics: Wireless networks; 5G/6G networks;

​.-Wireless Networks. .- Cellular-V2X and VANET DSRC based End to End Guidance for smart parking. .- TTWiFi: Time-Triggered WiFi for Mobile Robotics in Human Environments. .- Proximity-Driven, Load-Balancing Task Offloading Algorithm for Enhanced Performance in Satellite. .-Enabled Mist ComputingSatellite Edge Computing. .- AI/ML Systems. .- Advanced Digital Services in Health: Global Insights on Security and Privacy Issues. .- ACSIS: Αn Intelligent Medical System for Improving the Pre-hospital Healthcare Process. .- Study of Dimensionality Reduction and Clustering Machine Learning Algorithms for the Analysis of Ship Engine Data. .- Supervised Machine Learning Algorithms for the Analysis of Ship Engine Data. .- Machine Learning and Explainable Artificial Intelligence in Education and Training - Trends and Status. .- 5G/6G Networks. .- Comparative Analysis of THz MAC protocol for Wireless Data Center. .- Optimization of Energy Distribution with Demand Response Control In 6G Next Generation Smart Grids. .- Intelligent Logistics Service Quality Assurance Mechanism Based on Federated Collaborative Cache in 5G+ Edge Computing Environment. .- Digital Services. .- Research on Highly Secure Metaverse Based on Extended Reality Under Edge Computing. .- Research on Metaverse Multi-person Linkage Using Mobile Edge Computing Based on Extended Reality Under the Immersive Experience of Zhijiang Peace Culture Memorial Hall. .- An Ethereum based e-Voting system.