Abstract

In two-tier femtocell networks, the femtocell users (FUs) can be admitted to the femto base stations (FBSs) provided that the interference to the primary users (PUs) is no higher than the defined thresholds. Moreover, several FBSs may require different quality of service (QoS) with different payments. This paper proposes a method to obtain from maximally achievable revenue from FBSs to the required QoS. It also proposes an efficient QoS aware admission algorithm which is compared with other schemes, such as minimum signal-to-interference-plus-noise ratio (SINR) removal algorithm (MSRA) and random SU removal algorithm (RSRA). Presented QoS aware admission algorithm can achieve a much higher revenue with required QoS. In addition, the proposed algorithm is evaluated by the simulation experiments.

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