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This paper investigates the link selection problem for a two-hop relay wireless network consisting of one source-destination pair, one decode-and-forward (DF) relay with infinite buffer and one external eavesdropper overhearing both the source-relay and relay-destination links. To ensure the security of both links, we design a new link selection scheme to assign the current time slot to the source-relay...
This paper considers the transmission of confidential messages over noisy wireless ad hoc networks, where both background noise and interference from concurrent transmitters affect the received signals. For the random networks where the legitimate nodes and the eavesdroppers are distributed as Poisson point processes, we study the secrecy transmission capacity (STC), as well as the connection outage...
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