Optimizing Information Freshness in Two-Hop Status Update Systems under a Resource Constraint
IEEE Journal on Selected Areas in Communications(2021)
摘要
In this paper, we investigate the age minimization problem for a two-hop relay system, under a resource constraint on the average number of forwarding operations at the relay. We first design an optimal policy by modelling the considered scheduling problem as a constrained Markov decision process (CMDP) problem. Based on the observed multi-threshold structure of the optimal policy, we then devise ...
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关键词
Relays,Markov processes,Spread spectrum communication,Optimal scheduling,Performance analysis,Delays,Throughput
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