— In an opportunistic spectrum sharing system, secondary users equipped with cognitive radios opportunistically access spectrum that is not being used by the primary users, i.e.,...
There has been excellent progress on languages for rigorously describing key exchange protocols and techniques for proving that the network security tunnels they establish preserv...
— In this work we develop Markovian models to study the dynamics of elastic calls in a cell served by HSDPA and WiMAX systems. We first present analytical models for interferenc...
Abstract—Telephony gateways are devices that interface between IP telephony networks and the PSTN. A telephony proxy or location server (LS) that attempts to connect a call for a...
Abstract. As research in automatic signature generators (ASGs) receives more attention, various attacks against these systems are being identified. One of these attacks is the “...