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http://dx.doi.org/10.9709/JKSS.2011.20.1.107

Development of Femtocell Simulator Based on LTE Systems for Interference and Performance Evaluation  

Kim, Chang-Seup (성균관대학교 정보통신공학부)
Choi, Bum-Gon (성균관대학교 정보통신공학부)
Koo, Bon-Tae (한국전자통신연구원)
Lee, Mi-Young (한국전자통신연구원)
Chung, Min-Young (성균관대학교 정보통신공학부)
Abstract
Recently, femtocell has been concerned as one of effective solutions to relieve shadow region and provide high quality services to users in indoor environments. Even though femtocell offers various benefits to cellular operators and users, many technical issues, such as interference coordination, network synchronization, self-configuration, self-optimization, and so on, should be solved to deploy the femtocell in current network. In this paper, we develop a simulator for evaluating performance of long term evolution (LTE) femtocell systems under various interference scenarios. The simulator consists of a main-module and five sub-modules. The main-module connects and manages five sub-modules which have the functionality managing user mobility, packet scheduling, call admission control, traffic generation, and modulation and coding scheme (MCS). To provide user convenience, the simulator adopts graphical user interface (GUI) which can observes simulation results in real time. We expect that this simulator can contribute to developing effective femtocell systems by supporting a tool for analyzing the effect of interference between macrocell and femtocell.
Keywords
LTE; HeNB; Femtocell; Simulator;
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