Constitutes the refereed proceedings of the 4th International Conference on Wired/Wireless Internet Communications, WWIC 2006, held in Bern, Switzerland, in May 2006. The papers are organized in topical sessions on wireless networks, UMTS and OFDM, mobile ad-hoc networks, power saving and sensor networks, and more.

This book constitutes the refereed proceedings of the 4th International Conference on Wired/Wireless Internet Communications, WWIC 2006, held in Bern, Switzerland, in May 2006. The 29 revised full papers presented were carefully reviewed and selected from 142 submissions. The papers are organized in topical sessions on wireless networks, UMTS and OFDM, mobile ad-hoc networks, power saving and sensor networks, voice and video over wireless networks, mobility, TCP, signalling, charging, and security.