DefinePK

Abstract

The paper develops a data transfer mechanism for cognitive radio sensor networks (CRSN) with a view to ensure an increased throughput in a mobile environment. It formulates the theory on the principles of a HEED based methodology in a clustered framework. The philosophy orients to utilize the spectrum effectively through the guidelines of the cognitive radio technology and spring up with measures to improve the performance indices. It augurs to compress the data using Lempel-Ziv-Welsh algorithm (LZW) in an attempt to assuage a smaller bandwidth for the information to reach the destination. The steps encircle a process of aggregation to avoid the transmission of redundant data and further forge to minimize the bandwidth requirements. The NS2 simulation results measured in terms of indices exhibit the merits of the proposed approach over similar other routing methods that include LEACH and AODV and claim its suitability for use in the real world applications.