PROJECT TITLE :
Secrecy Capacity Optimization via Cooperative Relaying and Jamming for WANETs
Cooperative wireless networking, which is promising in improving the system operation potency and reliability by acquiring additional accurate and timely information, has attracted considerable attentions to support many services in practice. But, the problem of secure cooperative communication has not been well investigated nevertheless. During this paper, we have a tendency to exploit physical layer security to produce secure cooperative communication for wireless impromptu networks (WANETs) where involve multiple source-destination pairs and malicious eavesdroppers. By characterizing the security performance of the system by secrecy capability, we study the secrecy capability optimization drawback in that security enhancement is achieved via cooperative relaying and cooperative jamming. Specifically, we have a tendency to propose a system model where a group of relay nodes will be exploited by multiple supply-destination pairs to attain physical layer security. We tend to theoretically present a corresponding formulation for the relay assignment drawback and develop an optimal algorithm to unravel it in polynomial time. To more increase the system secrecy capacity, we have a tendency to exploit the cooperative jamming technique and propose a good jamming algorithm to interfere the eavesdropping channels. Through extensive experiments, we have a tendency to validate that our proposed algorithms considerably increase the system secrecy capability beneath varied network settings.
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