02309nas a2200169   4500008004100000245011600041210006900157300001400226490000700240520162600247100002101873700002001894700002401914700002901938700002201967856015001989       2014                        eng d00aA Simulation Framework for Evaluating Interference Mitigation Techniques in Heterogeneous Cellurar Environments0 aSimulation Framework for Evaluating Interference Mitigation Tech  a1213-12370 v773 a<p class="rtejustify">Femtocells present an attractive solution for the improvement of a mobile network?s&nbsp;services providing better data rates and coverage. Since their deployment results to a&nbsp;heterogeneous network where two layers must utilize the available spectrum, issues of interference&nbsp;arise. A method to address this challenge, is investigating the locations of the newly&nbsp;installed FBS, and enforcing a power controlled transmission of all FBSs that achieves optimal&nbsp;and fair overall performance. Another option that becomes available in inter-cell interference&nbsp;cancellation (ICIC) macrocell environments, is utilizing the available spectrum to complete&nbsp;or partly avoid co-channel operation. In this work, we provide a simulation framework that&nbsp;allows the creation of custom, high configurable, user defined topologies of femtocells with&nbsp;power control and frequency allocation capabilities. It allows the investigation of the margin&nbsp;of improvement in interference when these methods are applied and may work as a decision&nbsp;tool for planning and evaluating heterogeneous networks. To showcase the framework?s&nbsp;capabilities, we evaluate and study the behaviour of custom deployed femtocells/macrocells&nbsp;networks and examine the cross-tier interference issues. Facilitated by the framework, we&nbsp;enforce and evaluate each interference mitigation technique for different femtocells? deployment<br />
densities. Finally, we compare the results of each method in terms of total throughput,&nbsp;spectral efficiency and cell-edge users? performance.</p>
1 aBouras, Christos1 aDiles, Georgios1 aKokkinos, Vasileios1 aKontodimas, Konstantinos1 aPapazois, Andreas  uhttp://telematics.upatras.gr/telematics/publications/simulation-framework-evaluating-interference-mitigation-techniques-heterogeneous?language=en