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For the problems of energy constrained and the channel insecurity in group communication of WSN, we propose a self-healing group key management protocol based on polynomial and some algorithm. This protocol can recover the lost group key without transmitting message once more. The method can improve the security of the channel, while consuming less energy. The performance analysis of this protocol...
This paper proposes a multi-hop fusion routing algorithms to explore a more effective way to reduce excessive consumption of energy while a sensor communicates with the base station. It is a kind of new routing algorithm based on data fusion, designed to reduce the data that cluster head nodes send to the base station and reduce energy consumption. The algorithm first clusters according to heed algorithm,...
In the area of wireless sensor networks, achieving minimum energy consumption is a very important research issue. At present, a number of energy efficient protocols have been proposed, mostly based on a layered design approach, which means that they are focused on designing optimal strategies for single layer only. In this paper, we present a cross-layer cluster scheme by optimizing the routing and...
Since the duty cycle of S-MAC is fixed and longer, it will cause longer idle time and latency of data packets under light loads. To solve these problems we present a new MAC protocol in which the sleep/wakeup schedules of the sensor nodes are adaptively determined, sensor nodes may sleep frequently. And also it minimizes control-packet overhead. Simulation shows that the new MAC is of significant...
In the area of wireless sensor networks, achieving minimum energy consumption is a very important research issue. At present, a lot of energy efficient protocols have been proposed, mostly based on a layered design approach, which means that they are focused on designing optimal strategies for single layer only. In this paper, we present a cross-layer scheme by analyzing the routing and the scheduling...
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