Ubiquitous Networking 4th International Symposium, UNet 2018, Hammamet, Tunisia, May 2 - 5, 2018, Revised Selected Papers - Boudriga, Noureddine; Boudriga, Noureddine; Alouini, Mohamed-Slim; Alouini, Mohamed-Slim; Rekhis, Slim; Rekhis, Slim; Sabir, Essaid; Sabir, Essaid; Pollin, Sofie; Pollin, Sofie (Springer International Publishing : Imprint: Springer, 2018)