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Performance Evaluation of eICIC Scheme for Small Cell Data Offloading in Heterogeneous Cellular Network

Mahammad A. Safwat
National Telecommunication Institute, Cairo, Egypt
Abstract—The global mobile data traffic is expected to reach 69 exabytes per month by 2022 at a compound annual growth rate of 45 percent. A massive number of small cells are needed to be deployed to cope with ever increase capacity demands in future wireless networks. Advanced interference mitigation techniques should be adopted with dense deployment of small cells to improve much needed capacity and enhance spectral efficiency. Coordinated multi-point (CoMP) is a key feature for mitigating intercell interference, improve throughput and cell edge performance. In this context Enhanced Inter Cell Interference Coordination (eICIC) factor determines the amount of radio resources that macro cells should offer to small cells. In this paper, a user’s location based, a framework to study the impact of eICIC factor in various network performance metrics is provided. We differentiate between core small cell and edge small cell in eICIC factor analysis. In addition, we investigate the impact of eICIC factor in offloaded users and centric small cell users separately. Finally numerical results using the standard 3GPP KPIs (5%- and 50%-ile users throughput, average per user throughput and overall cell throughput) are provided to confirm theoretical analysis and measure the network performance with eICIC scheme.
 
Index Terms—Small cell, eICIC, HetNet, Offloading

Cite: Mahammad A. Safwat, “Performance Evaluation of eICIC Scheme for Small Cell Data Offloading in Heterogeneous Cellular Network,”Journal of Communications vol. 15, no. 1, pp. 1-13, January 2020. Doi: 10.12720/jcm.15.1.1-13

 
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