On Stochastic Cell Association Scheme Over Carrier Aggregated Heterogenous Networks

Provided by: Academy Publisher
Topic: Networking
Format: PDF
Triggered by the ever growing demand of wireless data rate, modern cellular network is in the middle of a paradigm shift. By deploying small cells underlaying current macrocells, a Heterogeneous Network (HetNet) architecture is formed with great potentials to improve system capacity and reduce overall energy consumption in the mean time. However, such layout is challenged by the co-tier and crosstier interference and uneven traffic loads due to the massive deployment of small cells. In this paper, a cell association scheme based on stochastic control theory is explored to attain improved network performance in carrier aggregated HetNets.

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