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In this paper, a decentralized Petri-net-(PN)-based wireless sensor node architecture (PN-WSNA) is proposed to model and implement a reconfigurable cognitive sensor network. The proposed PN-WSNA is defined based on an ordinary PN. Benefits of inheriting the ordinary PN are powerful modeling capabilities of discrete event dynamic systems as well as theoretical evaluations of sensor process models....
Cognitive Radio Networks (CRNs) are emerging as a viable solution for exploiting the available spectrum and solving overcrowding in the operating bands. Several dimensions in the process of identification, management and routing need to be handled to overcome the challenges associated with the management of CRNs. A very important topic in achieving an effective and flexible management solution is...
Cognitive radio has been a research hotspot because of its promise to improve the utilization of the assigned but unused radio spectrum. The complexity of current networks has been a main drawback of network development, and so will the problem of cognitive radio networks. To solve the complexity problem, autonomic computing has been proposed to enable the network self-management. This paper puts...
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