Optimized Distributive Cross-Layer and Thermal-Aware Convergecast Protocol for Wireless Body Area Network


Traditional patient-doctor relationships have been significantly reshaped by the Internet of Healthcare Things, which makes it possible to receive necessary medical treatment without leaving the convenience of one's own home. The wireless body area network is an IEEE 802.15.6 standard that focuses on healthcare data and necessitates various cross-layer and thermal-aware protocols. This is because the wireless body area network is designed to work with human bodies. The majority of cross-layer protocols, on the other hand, have lengthy convergence delays and a single point of failure. In addition, these protocols make use of an excessive amount of broadcasts and handshake acknowledgments, which results in an increase in the amount of work required for Communication and processing. In addition, thermally aware protocols center their attention on variations in temperature, disperse data collection, and do not support cross-layer strategies. In order to overcome these restrictions, the authors of this study propose a convergecast protocol that is both thermally aware and optimally distributive across layers. The proposed protocol employs a novel hybrid convergecast that makes use of probability and both minimum attenuation strategies to collect data from leaf nodes and deliver it to the root in order to enhance the network's capacity for data flow and adaptability. In addition to this, it has the effect of speeding up the convergence process by cutting down on unnecessary acknowledgments and repeated broadcasts, which leads to an improvement in both energy efficiency and thermal control. In order to prevent a failure at a single root point, the protocol that is being proposed provides support for distributive hierarchies by establishing multiple parent-child relationships. In order to calculate the next hop in accordance with the weights that were extracted, a multi-parameter maximum benefit-cost function is utilized. Validation of the number and sequence of packets received at the sink node is performed by the packet loss probability. The findings of the simulation indicate that cross-layer protocols and thermally aware protocols can coexist in a productive manner. The thermal rise is kept within bounds by the proposed protocol, which results in a reduction of delays to 19.4%, an improvement in throughput from 8% to 13.75%, and the preservation of a packet loss probability of 0.3%.

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