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In many low-power networks, the power cost for a node to remain ON to listen to transmissions from other nodes or to transmit to other nodes can constitute a significant part of the total power consumption by the radio. Thus, unlike the traditional relay channel model, under a low power constraint, the relay node cannot stay ON and listen to the entire(More)
The problem of three-party secure computation, where a function of private data of two parties is to be computed by a third party without revealing information beyond respective inputs or outputs is considered. New and better lower bounds on the amount of communication required between the parties to guarantee zero probability of error in the computation(More)
In this paper, we introduce the notion of Plausible Deniability in an information theoretic framework. We consider a scenario where an entity that eavesdrops through a broadcast channel summons one of the parties in a communication protocol to reveal their message (or signal vector). It is desirable that the summoned party have the option to reveal as(More)
—The question of how much communication is required between collaborating parties to compute a function of their data is of fundamental importance in the fields of theoretical computer science and information theory. In this work, the focus is on coming up with lower bounds on this. The information cost of a protocol is the amount of information the(More)
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