An energy efficient and adaptive clustering for wireless sensor network (CH-leach) using leach protocol

Abstract

Researchers in wireless sensor networks (WSN), have given deep attention to large scale integration and energy-efficiency (energy consumption). Energy-efficient solutions can conserve valuable sensor-node energy. This is one of the main critical challenges that WSNs face, which plays a fundamental part in determining the lifetime of the network. Although, there are many WSN protocols, clustering based hierarchal routing protocols are given more consideration because of their improve scalability. In particular, sensors are battery-powered, often limiting available energy, which is not changeable in most of the situations. One of the most common energy-efficiency sensor networks protocols is Low Energy Adaptive Clustering Hierarchy (LEACH) as source. In this paper, we propose CH-leach. We present architectures, schemes and evaluate. Its performance using analytical study and simulations. The evaluation was based on the most critical metrics in WSNs, such as: energy-efficiency (energy consumption), and network lifetime. The evaluation and comparison with existing solutions show that our proposed CH-leach exhibits a reduction in energy consumption over LEACH and DEEC. While the overall network lifetime of CH-leach is improved 91% and 43% more than LEACH and DEEC protocols respectively.