LTE-Simulation.rar_LTE PERFORMANCE_interference_factor_lte frequ

clear all; % clear all variables in workspace close all; % close all figure windows. clc; % clear the command window. % display a welcome message disp('>> Welcome to the simulation of frequence reuse scheme for LTE networks.'); disp(' '); disp('Main program started.'); disp(' '); LTE_configuration; % Matlab script file, configurating system and simulation parameters. % calculate IFR1 performances against the distance of user to target base station. for idx_alpha =1: Para.num_alpha alpha = Para.Set_alpha(idx_alpha); % Para.Set_alpha store a vector of alpha, % which is the path loss exponent used in signal propagation in space. disp([' Path loss exponent alpha= ' num2str(alpha)]); disp(' Calculate mean SIR of users with fixed distance from BS:'); for idx_distance=1:Topo.num_distance % call function LTE_IFR1_sim_dist to calculate the SIR performance of users % located at fixed distanced away from the reference BS (cell 0). temp_distance = Topo.Set_distance(idx_distance); [Sir_IFR1_distance(idx_alpha, idx_distance), Sir_IFR1_db_distance(idx_alpha, idx_distance)] = ... LTE_IFR_sim_dist(temp_distance, Topo.Rc, Topo.num_tier, Topo.num_user_per_ring, alpha, Topo.post_bs); Cap_IFR1_distance(idx_alpha, idx_distance) = log(1 + Sir_IFR1_distance(idx_alpha, idx_distance)); end for idx_distance=1:Topo.num_distance % call function LTE_IFR3_sim_dist to calculate the SIR performance of users % located at fixed distanced away from the reference BS (cell 0). temp_distance = Topo.Set_distance(idx_distance); [Sir_IFR3_distance(idx_alpha, idx_distance), Sir_IFR3_db_distance(idx_alpha, idx_distance)] = ... LTE_IFR3_sim_dist(temp_distance, Topo.Rc, Topo.num_tier, Topo.num_user_per_ring, alpha, Topo.post_bs,Topo.channel_bs_ifr3); Cap_IFR3_distance(idx_alpha, idx_distance) = log(1 + Sir_IFR3_distance(idx_alpha, idx_distance)); end disp(' Calculate mean network wide SIR and capacity performance:'); disp(' '); % call LTE_IFR_sim_netwide to calculate the SIR performance of users % located at fixed distanced away from the reference BS (cell 0). [Sir_IFR1_network(idx_alpha), Sir_IFR1_network_db(idx_alpha), Cap_IFR1_network(idx_alpha)] = ... LTE_IFR_sim_netwide(Topo.Rc, Topo.num_tier, alpha, Topo.post_bs, Topo.tier_bs, Topo.channel_bs_ifr3, Topo.post_user); % call LTE_IFR3_sim_netwide to calculate the SIR performance of users % located at fixed distanced away from the reference BS (cell 0). [Sir_IFR3_network(idx_alpha), Sir_IFR3_network_db(idx_alpha), Cap_IFR3_network(idx_alpha)] = ... LTE_IFR3_sim_netwide(Topo.Rc, Topo.num_tier, alpha, Topo.post_bs, Topo.tier_bs, Topo.channel_bs_ifr3, Topo.post_user); end % plot the results into figures. LTE_IFR_plot(Para, Topo, Sir_IFR1_distance, Sir_IFR1_db_distance, Cap_IFR1_distance, ... Sir_IFR1_network, Sir_IFR1_network_db, Sir_IFR1_network_db); LTE_IFR3_plot(Para, Topo, Sir_IFR3_distance, Sir_IFR3_db_distance, Cap_IFR3_distance, ... Sir_IFR3_network, Sir_IFR3_network_db, Sir_IFR3_network_db); disp('Main program end.');