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This paper investigates into optimal admission control policies for Heterogeneous Wireless Networks (HWN), considering an integration of wireless mesh networks with an overlaying cellular infrastructure. In order to characterize the overflow traffic from the underlaying mesh to the overlay, a Partially-Observable Markov-Modulated Poisson Process (POMMPP) traffic model is developed. This model captures the burstiness of the overflow traffic under the imperfect observability of the mesh network states.
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