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To achieve high spatial capacity, wireless cellular networks consider the dense deployment of Base Stations (BSs) that cover small cells. As a consequence, Inter-Cell Interference (ICI) from neighboring BSs becomes a major source of performance degradation and the portion of users whose capacity is naturally limited by ICI grows. In order to fully attain the potential gain of multi-cell networks, the coordination of transmissions among BSs which can effectively manage ICI is essential. In this paper, the authors propose a distributive queue-aware intra-cell user scheduling and Inter-Cell Interference (ICI) management control design for a delay-optimal cellular downlink system with M Base Stations (BSs), and K users in each cell. Each BS has K downlink queues for K users respectively with heterogeneous arrivals and delay requirements.
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