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An overlay macrocell-femtocell system aims to increase the system capacity with a low-cost infrastructure. To construct such an infrastructure, we need to solve some existing problems. First, there is a tradeoff between femtocell coverage and overall system throughput, which we defined as the cell-breathing phenomenon. In light of this, we propose a femtocell downlink cell-breathing control framework...
High-throughput data traffic has gained prominence in the mobile telecommunications. But the service quality is never a grantee due to the nature of wireless communication. This not only degrades the utility of customers but also reduces the revenue of service provider. To overcome such predicament, the overlay macrocell-femtocell system is introduced to enhance the service quality by reutilize spectrum...
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