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    FairHealth: long-term proportional fairness-driven 5G edge healthcare in Internet of Medical Things

    Lin, Xi, Wu, Jun, Bashir, Ali Kashif ORCID logoORCID: https://orcid.org/0000-0001-7595-2522, Yang, Wu, Singh, Aman and Alzubi, Ahmad Ali (2022) FairHealth: long-term proportional fairness-driven 5G edge healthcare in Internet of Medical Things. IEEE Transactions on Industrial Informatics, 18 (12). pp. 8905-8915. ISSN 1551-3203

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    Abstract

    Recently, the Internet of Medical Things (IoMT) could offload healthcare services to 5G edge computing for low latency. However, some existing works assumed altruistic patients will sacrifice quality of service for the global optimum. For priority-aware and deadline-sensitive healthcare, this sufficient and simplified assumption will undermine the engagement enthusiasm, i.e., unfairness. To address this issue, we propose a long-term proportional fairness-driven 5G edge healthcare, i.e., FairHealth. First, we establish a long-term Nash bargaining game to model the service offloading, considering the stochastic demand and dynamic environment. We then design a Lyapunov-based proportional-fairness resource scheduling algorithm, which decouples the long-term fairness problem into single-slot subproblems, realizing a tradeoff between service stability and fairness. Moreover, we propose a block-coordinate descent method to iteratively solve nonconvex fair subproblems. Simulation results show that our scheme can improve 74.44% of the fairness index (i.e., Nash product), compared with the classic global time-optimal scheme.

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