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The main goal of Cluster-based sensor networks is to decrease system delay and reduce energy consumption. LEACH is a cluster-based protocol for micro sensor networks which achieves energy-efficient, scalable routing and fair media access for sensor nodes. However, the election of a malicious or compromised sensor node as the cluster head is one the most significant breaches in cluster-based wireless...
This paper deals with an autonomous cognitive network management architecture which aims at achieving inter-network (horizontal) and inter-layer (vertical) cross-optimization. The proposed architecture is based on the so-called Cognitive Managers transparently embedded in properly selected network nodes. The core of each Cognitive Manager are the so-called thinking modules, which are in charge of...
With the development of Micro Electro-Mechanical System technologies, wireless communication technologies and embedding computing technologies, wireless sensor network becomes a hot study around the world. But there is little formulation description to sensor network and this will limit the theory study on it. We present a formulation model for wireless sensor network in this paper at first. And then...
Space networks can be viewed as comprising of space sensors, ground nodes, terrestrial sensors and satellites using the wireless/satellite medium. However, these increase security risks. Additionally, space networks are heterogeneous, where the capabilities of different network entities vary. Thus, a generic security solution for all communication components may not be well suited. In this paper,...
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