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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...
This paper proposes a novel amplify-and-forward with cooperative-jamming (ACJ) scheme. In order to make a balance between secrecy capacity (SC) and energy consumption, we use RSE which is defined as the maximum equivalent SC for each unit of energy consumption to evaluate the performance of wireless communications. This paper shows that although SC increases with energy consumption, RSE is not a monotone...
The fashion enterprise has faced more and faster changes in recent years due to the different requirements of customers and the variations of global economic environments. For leaders of these enterprises, they must make decision on correct strategies to keep competitiveness in such complex networked environment. E-HRM is the application of information technology for both networking and supporting...
The downstream nodes only compare the cost of inventory with the cost of stock to determine the optimal volume without considering the quality risk in the traditional supply chain. In fact in the whole supply chain, some intermediate products with quality defects will have a significant impact on each supply chain node and the entire supply chain operations and gains. Both cases of cooperation and...
IPv6 over IEEE802.15.4 (a.k.a. 6LowPAN), has become the standard for low-rate wireless personal area networks (LR-WPAN). IPv6 is taken as an interconnection scheme for IEEE802.15.4 equipments at network layer, 6LowPAN technology has attracted extensive attention. This paper introduced IEEE802.15.4 standard and 6LowPAN technology, discussed 6LowPAN's advantages, analyzed its key technologies, and the...
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