Recently, Long Term Evolution (LTE) has developed a femtocell for indoor coverage extension. However, interference problem between the femtocell and the macrocell should be solved in advance. In this code, I propose an interference management scheme in the LTE femtocell systems using Fractional Frequency Reuse (FFR). Under the macrocell allocating frequency band by the FFR, the femtocell chooses sub-bands which are not used in the macrocell sub-area to avoid interference. Simulation results show that proposed scheme enhances total/edge throughputs and reduces the outage probability in overall network, especially for the cell edge users.

Femtocell Interference management using FFR\calcDist.m
...........................................\CapacityFemto_C.m
...........................................\CapacityMacro_C.asv
...........................................\CapacityMacro_C.m
...........................................\changeApplyButton.m
...........................................\closestCell.m
...........................................\closestDepl.m
...........................................\credits_display.m
...........................................\disableOptions.m
...........................................\drawCell.m
...........................................\drawColormap.m
...........................................\drawMap.m
...........................................\enableOptions.m
...........................................\femto_in_proximity.m
...........................................\findRangesSINR.m
...........................................\findWalls.m
...........................................\Find_angle.m
...........................................\Gain_femto.m
...........................................\Gain_inter_macro.m
...........................................\Gain_macro.m
...........................................\getStats.m
...........................................\gpos.m
...........................................\graphs.m
...........................................\graphs2.m
...........................................\incrValueX.m
...........................................\incrValueY.m
...........................................\incrVectorX.m
...........................................\incrVectorY.m
...........................................\inMacrocellRange.m
...........................................\interference_calc.m
...........................................\interference_calc_macro.m
...........................................\isIndoor.m
...........................................\isInner.m
...........................................\mainlayout.asv
...........................................\mainlayout.m
...........................................\manhattan_env2.m
...........................................\mouse_clicked.m
...........................................\mouse_clicked_femtouser.m
...........................................\normalizeInput.m
...........................................\numberPlot.m
...........................................\PLfem.m
...........................................\PLmac.m
...........................................\PLmacro_fixed.m
...........................................\PL_inter_macro.m
...........................................\power_adapt_range.m
...........................................\power_fixed.m
...........................................\power_scheme.m
...........................................\realCoordinates.m
...........................................\resetAdvanced.m
...........................................\resetAll.m
...........................................\resetMap.m
...........................................\setAttachMenu.m
...........................................\setCurrentColor.m
...........................................\setCurrentCoordinates.m
...........................................\setObjDetails.m
...........................................\setPanel.m
...........................................\setRedLabel.m
...........................................\SINRfemto.m
...........................................\SINRmacro.m
Femtocell Interference management using FFR

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