The Impact of Alteration of Superframe Duration on the Consumption of Energy in the IEEE 802.15.4 MAC

The modern healthcare monitoring system is getting benefited by new emerging technologies, such as tiny physiological sensors and the latest wireless technologies. The Wireless Body Area Networks (WBANs) introduce live tracing of vital signs, online diagnosis, and various other advantages when compared with the traditional system. The duty cycle (wake-up and sleep) performs a crucial function in the conservation of the limited battery power of physiological sensors. A scheme is introduced in this paper that adjusts the duration of superframe in the beaconenable mode of IEEE 802.15.4 MAC. The proposed scheme’s key objective is to prolong the lifetime of the physiological sensor by altering superframe duration. Through extensive simulations, it is shown that the superframe duration may be appropriately adjusted to improve energy efficiency without significantly reducing network throughput.