Duty Cycle Control Method Considering Buffer Occupancy for IEEE 802.15.4-Compliant Heterogeneous Wireless Sensor Network

Duty Cycle Control Method Considering Buffer Occupancy for IEEE 802.15.4-Compliant Heterogeneous Wireless Sensor Network

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This paper proposes a Duty-Cycle (DC) control method in order to improve the Packet Delivery Ratio (PDR) for IEEE 802.15.4-compliant heterogeneous Wireless Sensor Networks (WSNs).

The proposed method controls the DC so that the buffer occupancy of sensor nodes is less than 1 liftmaster csl24ul gate control and assigns DC to each sub-network (sub-network means a network consisting of a router node and its subordinate nodes).In order to use the appropriate DC of each sub-network to obtain the high PDR, this paper gives analytical expressions of the buffer occupancy.The pitchy delight onee stick simulation results show that the proposed method achieves a reasonable delay and energy consumption while maintaining high PDR.