A Survey on Cluster-based Architecture in Cognitive Radio Ad-hoc Network

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Provided by: International Journal of Computer Applications
Topic: Mobility
Format: PDF
Cognitive radio is a promising technique for efficient spectrum utilization in wireless systems. In this paper, clustering algorithm for ad hoc network is specified. This is the method to build and maintain hierarchical addresses in ad hoc networks where the spatial variations of spectrum opportunities are considered for clustering. Each cluster consists with a set of free common channels, which benefits smooth shift between control channels. A set of cognitive radio nodes are grouped into the same cluster if they sense similar free channels and are within the communication range of the leader node called cluster head.
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