Why the study?
Reliability and energy consumption remain major constraints in wireless body area networks, which may be mitigated by transmission through relay nodes.
A novel fuzzy-based relay MAC protocol improves energy efficiency and reliability in simulated wireless body area networks for e-healthcare systems.
Wireless body area networks (WBANs) play a vital role in saving lives by accurately measuring physiological information in a cost‐effective manner. However, reliability and energy consumption remain major constraints in WBANs. Many researchers have claimed that transmission through relay nodes can mitigate these constraints. Therefore, this work proposes a fuzzy‐based relay MAC protocol based on the IEEE 802.15.6 model. Fuzzy rules have been used to select the relay node, considering three attributes: residual energy, received signal strength indicator (RSSI) and data rate. The combination of predefined and fuzzy‐based opportunistic relay nodes has significantly reduced data relaying failure rates, leading to an increased packet delivery ratio. Through simulation, the performance of IEEE 802.15.6, DMTM‐MAC, ADT‐MAC and the proposed adaptive fuzzy‐based MAC (AFBM) has been compared and analysed. The results indicate that AFBM effectively reduces packet delivery delay and energy consumption while improving data relaying and packet delivery ratios.
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Nayak et al. (2026) studied this question.
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