Queuing Analysis for Multiuser Downlink Channel: Throughput Regions and Exponential Backlog Bounds

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Executive Summary

While multiuser scheduling strategies have been intensively studied recently, the resulting throughput and delay performance affecting strongly end-to-end performance of wireless communication systems can still be evaluated by simulations only. In this paper, the authors approach this problem and consider bounds for delay and queue backlog for a large class of scheduling policies. Adopting a general state space Markov chain model the concept of policy-specific throughput regions is introduced. Then, under the regime of the policy, a recursive formula for calculating all polynomial moments of the queue backlog is provided.

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