Mobility Investigate

Intercluster Connection in Cognitive Wireless Mesh Networks Based on Intelligent Network Coding

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Executive Summary

Cognitive wireless mesh networks have great flexibility to improve spectrum resource utilization, within which Secondary Users (SUs) can opportunistically access the authorized frequency bands while being complying with the interference constraint as well as the QoS (Quality-of-Service) requirement of Primary Users (PUs). In this paper, the authors consider inter-cluster connection between the neighboring clusters under the framework of cognitive wireless mesh networks. Corresponding to the collocated clusters, data flow which includes the exchanging of control channel messages usually needs four time slots in traditional relaying schemes since all involved nodes operate in half-duplex mode, resulting in significant bandwidth efficiency loss.

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