This book constitutes the refereed proceedings of the 11th International Conference on Wired/Wireless Internet Communications, WWIC 2013, held in St. Petersburg, Russia, during June 5-7, 2013. The 21 revised full papers presented were carefully reviewed and selected from numerous submissions. The papers are organized in topical sections on: MAC and scheduling; mobility; fixed networks; services and security; sensor networks; services; and wireless.