Routing over multi-hop fading wireless body area networks with reliability considerations

Optimal reliable routing is studied in the context of fading wireless body area networks (WBANs). A non-cooperative game is proposed to model and analyze the strategic interactions among body-worn health-care devices when each seeks to find the most reliable path to the hub. A distributed algorithm based on the proposed game is provided and proved to converge to a multi-hop Pareto-dominant Nash topology. The game-theoretic framework is evaluated through numerical simulations in conditions approximating actual deployment of a moving ultra wideband WBAN. The framework shows remarkable promise in improving the reliability of transmission, compared to the IEEE 802.15.6 two-hop topology extension with a best channel selection algorithm and the star topology benchmark schemes.

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