A wireless LAN (WLAN)-based Internet service, called NESPOT, of Korea Telecom (KT), the biggest telecommunication and Internet service company in Korea, has been operational since...
Youngkyu Choi, Jeongyeup Paek, Sunghyun Choi, Go W...
Recently, Voice over IP (VoIP) has become an important service for the future internet. However, for ubiquitous wireless VoIP services, greater coverage will be necessary as promi...
Marcel C. Castro, Peter Dely, Jonas Karlsson, Andr...