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Designing efficient and secure key management scheme is one of the key issues in mobile ad hoc networks. In this paper, a novel group key management scheme for mobile ad hoc networks based on threshold secret sharing is proposed. The member registration and key management is completed by registration center and a group of key generation centers respectively, which can alleviate the system burden and...
Designing efficient and secure group key agreement scheme is one of the key issues in mobile ad hoc networks. In this paper, a novel and feasible group key agreement scheme based on identity is proposed. With this scheme, the direct and secure communications between any subgroups without retransmission could be implemented. The security of the group key agreement scheme can be assured under the complexity...
Routing is one of the most challenging open problems in Vehicular Ad hoc NETworks (VANETs) because of the short-lived wireless connectivity environment. Store-carry-and-forward approach using buses on regular routes is considered as one of the most promising emerging routing policy that can significantly improve delivery performance and reliability in VANETs. While none of existing solutions considers...
Designing efficient and secure group key agreement scheme is one of the key issues in mobile ad hoc networks. In this paper, a novel group key agreement scheme for mobile ad hoc networks based on threshold secret sharing is proposed. In the proposed scheme, the key management and agreement is completed by multiple subgroup key managers and the group key manager of all the users in mobile ad hoc networks,...
The network state beacon (NSB) exchange rate is a critical parameter in monitoring the dynamic state of any self-configuring ad hoc sensor network. It determines the time and nature of any proactive reconfiguration activity that is necessary to counteract any degradation in network performance. It is imperative to adapt this rate to the variation in load profile in order to attempt to keep the network...
In wireless sensor networks, the network state beacon exchange rate is vital to determine the quality of service (QoS) performance of network state. It is important to schedule this parameter adaptively due to the dynamic nature of the networks. In this paper, an adaptive self-control model for wireless sensor (ASMW) is presented which model the whole wireless networks as a closed-loop system. The...
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