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Providing physical-layer security for mobile users in future broadband wireless networks is of both theoretical and practical importance. In this paper, we formulate an analytical framework for resource allocation in a downlink OFDMA-based broadband network with coexistence of secure users (SU) and normal users (NU). The problem is formulated as joint power and subcarrier allocation with the objective...
<?Pub Dtl?>Providing physical-layer security for mobile users in future broadband wireless networks is of both theoretical and practical importance. In this paper, we formulate an analytical framework for resource allocation in a downlink orthogonal frequency-division multiple access (OFDMA)-based broadband network with coexistence of secure users (SUs) and normal users (NUs). The SUs require...
We find that traditional authentication ways donpsilat act well in MANETs for the features of dynamic topology and non-existence of central facilities in mobile ad hoc networks. This paper presents a distributed trust proving language, which is based on role trust. The solution of constructing credential authentication infrastructure and the problem how to perform automated trust negotiation are also...
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