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This paper proposes a novel clustering scheme by incorporating both social and physical relationships among wireless terminals for Device-to-Device (D2D) communications. Given the explosive growth of online social networking activities, social interactions among mobile users and people's social behaviors can have strong impact on the efficiency of D2D cluster communications. We exploit the well known...
This paper proposes a cluster-based optimal relay and jammer selection (CB-ORJ) scheme to deal with interception and improve the secrecy rate in wireless multi-hop networks in the presence of both intra-cluster and inter-cluster eavesdroppers. We first present a novel mathematical model of cluster-based secure transmission. Furthermore, we propose an on-demand relay and jammer selection approach based...
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