Abstract
Wireless Sensor Network (WSN) is mostly used in real time applications, like as automobile traffic control, military purpose, medical area and environment examination. ZigBee is a Wireless Personal Area Network (WPAN) based on IEEE 802.15.4 wireless protocol. ZigBee gives short distance communication with low data rate, low power consumption and low complexity. In this paper the performance of hybrid topology is analyzed with OPNET Modeler 14.5 under the mobility of ZigBee End Devices (ZEDs) and ZigBee Coordinators (ZCs) using different trajectories in terms of load, traffic received and data drop. The Results show that when ZEDs and ZCs are move, the Mesh-Tree hybrid topology and Star-Tree hybrid topology gives best performance respectively. We also found that the performance of wireless sensor network for inner square and circle trajectories is superior to outer square trajectory.
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