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Clustering based Novel Interference Management Scheme in Dense Small Cell Network
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 Title & Authors
Clustering based Novel Interference Management Scheme in Dense Small Cell Network
Moon, Sangmi; Chu, Myeonghun; Lee, Jihye; Kwon, Soonho; Kim, Hanjong; Kim, Daejin; Hwang, Intae;
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 Abstract
In Long Term Evolution-Advanced (LTE-A), small cell enhancement(SCE) has been developed as a cost-effective way of supporting exponentially increasing demand of wireless data services and satisfying the user quality of service(QoS). However, there are many problems such as the transmission rate and transmission quality degradation due to the dense and irregular distribution of a large number of small cells. In this paper, we propose a clustering based interference management scheme in dense small cell network. We divide the small cells into different clusters according to the reference signal received power(RSRP) from user equipment(UE). Within a cluster, an almost blank subframe(ABS) is implemented to mitigate interference between the small cells. In addition, we apply the power control to reduce the interference between the clusters. Simulation results show that proposed scheme can improve Signal to Interference plus Noise Ratio(SINR), throughput, and spectral efficiency of small cell users. Eventually, proposed scheme can improve overall cell performance.
 Keywords
ABS;Clustering;Dense small cell network;Power Control;SCE;
 Language
Korean
 Cited by
 References
1.
Cisco Visual Networking Index: Global Mobile Data Traffic Forecast Update, 2010-2015. White Paper, Feb. 2011.

2.
Insoo Hwang; Bongyong Song; Soliman, S.S., "A holistic view on hyper-dense heterogeneous and small cell networks," Communications Magazine, IEEE , vol.51, no.6, pp.20,27, June 2013.

3.
3GPP TR 36.872 v12.1.0, "Small Cell Enhancements for E-UTRA and E-UTRAN-Physical Layer Aspects," December 2013.

4.
Sangmi Moon, Bora Kim, Saransh Malik, Daejin Kim, and Intae Hwang, "Interference Management with Cell Selection using Cell Range Expansion and ABS in eterogeneous Network based on LTE-Advanced," Journal of The Institute of Electronics and Information Engineers Vol.50, NO.8, August 2013.

5.
Bora Kim, Sangmi Moon, Saransh Malik, Cheolsung Kim, and Intae Hwang, "Performance Analysis of Coordinated Multi-Point with Scheduling and Precoding schemes in LTEAdvanced System," Journal of The Institute of Electronics and Information Engineers Vol.50, NO.7, July 2013.

6.
Bora Kim, Sangmi Moon, Saransh Malik, Cheolsung Kim, and Intae Hwang, "Performance Analysis of CoMP with Scheduling and Precoding Techniques in the HetNet System," Journal of The Institute of Electronics and Information Engineers Vol.50, NO.8, August 2013.