Adaptive IEEE 802.15.4 Protocol for Reliable and Timely Communications

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The authors present an adaptive Medium Access Control (MAC) design for minimizing the power consumption while guaranteeing reliability and delay constraints, which is developed for the slotted IEEE 802.15.4 standard. By considering the Bianchi's MAC model, they present a generalized Markov chain model and the usage of MAC model in formulating this complex dependency on reliability, delay and power consumption. Monte Carlo simulations confirm that the accurate and approximated analysis perform quite well.