We consider the problem of assigning transmission powers to the nodes of a wireless network in such a way that all the nodes are connected by bidirectional links and the total powe...
In this paper, we present a real-time communication protocol for sensor networks, called SPEED. The protocol provides three types of real-time communication services, namely, real...
Tian He, John A. Stankovic, Chenyang Lu, Tarek F. ...
In this paper we define a sequent calculus to formally specify, simulate, debug and verify security protocols. In our sequents we distinguish between the current knowledge of prin...
A fair non-repudiation protocol should guarantee, (1) when a sender sends a message to a receiver, neither the sender nor the receiver can deny having participated in this communic...
Although Instant Messaging (IM) services are now relatively long-standing and very popular as an instant way of communication over the Internet, they have received little attention...