Investigating Multi-Topological ZigBee Based Wireless Sensor Network in Precision Agriculture

Wireless Sensor Networks (WSNs) have attracted researchers and devel opers in the last decade because of its small size, minimum power consumption and lightweight, having the ability to monitor, measure and communicate over wireless channel in various fields of our daily life. This paper evaluates WSNs applications in agriculture, comparing different IEEE802.15.4/ZigBee topologies (Tree, Mesh and Grid) for the enhanced and precision agriculture. Multiple network scenarios are simulated to study the performance of WSNs topologies in terms of throughput, network load and end-to-end delay. Simulation results show that the WSNs have better throughput and network usage when tree topology is used. WSNs with tree topology show an increase of 11% and 57% in throughput as compare to Mesh and Grid topologies respectively. Tree topology also has 35% and 80% more network load than Mesh and Grid topologies respectively. However, the end-to-end delay of ZigBee based Tree topology has 1% and 2 % more delay than Mesh and Grid respectively, which is negligible in the proposed study.

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