Abstract
WSN has been massively used in many fields as monitoring devices for several applications; these sensor-nodes can be expected to work hardly for few years without present any technical issues. The validation of sensor nodes is challenged task owning the natural of the environment, the health of this device, replacing or recharging the battery of this tiny device inaccessible place, and the distributions of a huge number of sensor-nodes. However, no validation study has been presented for sensor nodes by using OPNET simulation with ZigBee, with several sensor sets. In this paper, we are designing and implementing a validation model for WSNs to discover bad nodes in any distribution WSN. The result obtained from simulation show that while increasing the number of nodes, number of bad nodes will be increased on one target. However, increase number of targets decrease the number of bad nodes.
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