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This paper investigates the problem of power allocation, in the presence of a malicious adversary. For this scenario, we consider a source, a destination and full-duplex (FD) relay, that receives private messages and transmits jamming signals on the same time and frequency band. In this system model, we assume the adversary can jam legitimate link or eavesdrop the private message, and benefit from...
In this paper we investigate a cooperative jamming (CJ) strategy based Stackelberg security game to improve physical layer security over multiuser OFDMA networks. Each source node tries to deliver messages to its intended destination node securely in the presence of a passive eavesdropper. Fortunately, these node pairs can resort to a friendly jammer to enhance their communication. But the jamming...
This paper proposes a fast forward medium access control protocol (FFMAC) for quality-of-service (QoS) guarantee in multihop IEEE 802.11s wireless mesh networks with multiple channels. To the best of our knowledge, the proposed protocol is the first one which considers the multihop and multichannel issues simultaneously. It provides higher priority for real-time applications, while remaining the distributed...
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