Mobile devices became powerful recently and wireless Internet access is becoming standard. One important class of networked, mobile applications are location based games, making e...
Abstract. IEEE 802.16, also known as WiMAX, is a new wireless access technology for currently increasing demand of wireless high-speed broadband service. Efficient and effective d...
In this paper we present a security framework for executing foreign programs, called helpers, on a Pocket Companion: a wireless hand-held computer. A helper program as proposed is...
The Session Initiation Protocol (SIP) has been widely adopted for Instant Messaging (IM) and VoIP telephony both by the enterprise and in service provider systems. Till now, SIP f...
Arup Acharya, Stefan Berger, Chandrasekhar Narayan...
Abstract—Secondary spectrum access is emerging as a promising approach for mitigating the spectrum scarcity in wireless networks. Coordinated spectrum access for secondary users ...