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The femtocell deployment in 3GPP/LTE sets new challenges to interference mitigation techniques and Radio Resource Management (RRM). Traditional schemes are mainly designed for classical cellular networks while the ad hoc nature of femtocells notably limits the complexity of possible algorithms. Thus, efficient RRM schemes are essential for limiting the interference impact on end-user performance....
Femtocells are designed to cover a short range of area and improve the cellular system capacity in an economically viable way. In this paper, we propose an adaptive sub-band allocation (ASA) scheme for the downlink transmission of the LTE system, which consists of orthogonal sub-band assignment (OSA) algorithm and adaptive sub-band reuse (ASR) algorithm based on the interference graph. The interference...
The recent introduction of carrier aggregation in LTE-Advanced enables new possibilities in designing frequency domain interference reduction and management schemes. These methodologies are of extreme interest in the case of dense and uncoordinated deployments of femtocells. In such scenarios, dense deployment of cells coupled with the scarcity of frequency resources may lead to a potentially disruptive...
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