Clustering Based Cooperative Spectrum Sensing for Cognitive Radio Sensor Networks

Abstract

Cognitive radio has emerged as promising new technology in the field of wireless communication for the efficient utilization of the spectrum resources. A cognitive radio sensor network (CRSN) is a wireless sensor network that is equipped with cognitive radio capability. Clustering is a grouping technique that can be applied to wireless sensor networks. Therefore, with the aim of increasing network lifetime, energy efficiency and network stability this project implements a energy efficient clustering based on cooperative spectrum sensing (ECS) for CRSNs. The ECS scheme uses the concept of pairing among sensor nodes and shifts between Sleep and Awake modes