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This paper investigates cognitive radio network (CRN) performance through cooperative multiple cognitive radio relays and relay selection with channel allocation scheme. In one approach the overall end-to-end throughput (OEET) improves as the number of cognitive radio relays (CRRs) increases in CRN. In this approach, the OEET increases with the number of CRRs but at the cost of increased transmission...
This paper gives the insights of energy efficiency of sector coded transmission (SCT) protocol for cognitive radio networks. SCT is a cluster head rotation based protocol used for cooperative spectrum sensing in cognitive radio networks. A modified transmission and reception radio model based on SCT is proposed for cognitive radio networks. Further the paper evaluates the effect of number of users,...
Traditional naval architecture includes all the departments concatenated into a single physical network and if it has to be separated, then physically different network is formed. This paper strives on removing the logical single network whilst maintaining the physical network intact on all the departments by implementing VLAN. Various automation systems like IBS, IPMS, CCTV, APMS and communication...
The scalability of the ability to provide and deploy network services is one of the major demands of the next generation network, and is also the main challenge of the development of the network service model technique. Through the comparison of several different network service models and the analysis of the key mechanisms of the next generation network, this paper proposes an HSM (hierarchical state...
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