LTE.rar_源码

%% Automagically filled params and config params that will probably not be changed % Hardcode the release number LTE_config.release = 'r230'; %% Check whether the parallel computing toolbox is installed v = ver; if isempty(strfind([v.Name],'Parallel Computing Toolbox')) LTE_config.parallel_toolbox_installed = false; else LTE_config.parallel_toolbox_installed = true; end %% Random number generation if LTE_config.seedRandStream RandStream.setDefaultStream(RandStream('mt19937ar','Seed',LTE_config.RandStreamSeed)); else RandStream.setDefaultStream(RandStream('mt19937ar','Seed',rand*intmax('uint32'))); end %% Unquantized feedback LTE_config.traces_config.unquantized_CQI_feedback = LTE_config.unquantized_CQI_feedback; %% Date-time string the_date = clock; date_time_string = sprintf('%04d%02d%02d_%02d%02d%02d',... the_date(1),... % Date: year the_date(2),... % Date: month the_date(3),... % Date: day the_date(4),... % Date: hour the_date(5),... % Date: minutes floor(the_date(6))); % Date: seconds %% Results file filename if strcmp(LTE_config.results_file,'auto') if LTE_config.frequency/1e9 >= 1 this_freq = sprintf('%3.2fGHz',LTE_config.frequency/1e9); else this_freq = sprintf('%3.0fMHz',LTE_config.frequency/1e6); end LTE_config.results_file = fullfile(LTE_config.results_folder,... sprintf('%s_freq_%3.2f_bw_%dTTIs_%s_%s_%s.mat',... this_freq,... % Frequency LTE_config.bandwidth/1e6,... % System Bandwidth LTE_config.simulation_time_tti,... % Simulaton length date_time_string,... % Date string strrep(LTE_config.scheduler,' ','_'),... % Scheduler type LTE_config.release)); % Release number else LTE_config.results_file = fullfile(LTE_config.results_folder,[LTE_config.results_file '.mat']); end %% Macroscopic pathloss cache filename if strcmp(LTE_config.network_cache,'auto') if LTE_config.frequency >= 1e9 this_freq = sprintf('%3.2fGHz',LTE_config.frequency/1e9); else this_freq = sprintf('%3.0fMHz',LTE_config.frequency/1e6); end LTE_config.network_cache = fullfile('./data_files',... sprintf('network_%d_rings_%dm_res_%s_%s_freq.mat',... LTE_config.nr_eNodeB_rings,... LTE_config.map_resolution,... strrep(strtrim([LTE_config.macroscopic_pathloss_model ' ' LTE_config.macroscopic_pathloss_model_settings.environment]),' ','_'),... this_freq)); else % Do nothing end %% UE position cache filename if strcmp(LTE_config.UE_cache_file,'auto') if ~LTE_config.UEs_only_in_target_sector LTE_config.UE_cache_file = fullfile('./data_files',... sprintf('UE_cache_%drings_%dUEs_sector_%s.mat',LTE_config.nr_eNodeB_rings,LTE_config.UE_per_eNodeB,date_time_string)); else LTE_config.UE_cache_file = fullfile('./data_files',... sprintf('UE_cache_%drings_target_sector_only_%dUEs_sector_%s.mat',LTE_config.nr_eNodeB_rings,LTE_config.UE_per_eNodeB,date_time_string)); end else % Do nothing end %% Fast fading filenames if strcmp(LTE_config.pregenerated_ff_file,'auto') LTE_config.pregenerated_ff_file = fullfile('./data_files',... sprintf('ff_%3.1fs_%dx%d_%s_%3.1fMHz_%dKmph_%s.mat',... LTE_config.channel_model.trace_length,... LTE_config.nTX,... LTE_config.nRX,... LTE_config.channel_model.type,... LTE_config.bandwidth/1e6,... LTE_config.UE_speed*3.6,... date_time_string)); end %% Transmission parameters (used for the throughput calculation) % We will assume subcarrier spacing of 15 kHz switch LTE_config.cyclic_prefix case 'normal' LTE_config.N_sym = 7; case 'extended' LTE_config.N_sym = 6; otherwise error('CP can only be "normal" or "extended"'); end switch LTE_config.bandwidth case 1.4e6 LTE_config.N_RB = 6; LTE_config.fft_points = 128; switch LTE_config.cyclic_prefix case 'normal' LTE_config.CP_length_samples = 9; case 'extended' LTE_config.CP_length_samples = 32; end case 3e6 LTE_config.N_RB = 15; LTE_config.fft_points = 256; switch LTE_config.cyclic_prefix case 'normal' LTE_config.CP_length_samples = 18; case 'extended' LTE_config.CP_length_samples = 64; end case 5e6 LTE_config.N_RB = 25; LTE_config.fft_points = 512; switch LTE_config.cyclic_prefix case 'normal' LTE_config.CP_length_samples = 36; case 'extended' LTE_config.CP_length_samples = 128; end case 10e6 LTE_config.N_RB = 50; LTE_config.fft_points = 1024; switch LTE_config.cyclic_prefix case 'normal' LTE_config.CP_length_samples = 72; case 'extended' LTE_config.CP_length_samples = 256; end case 15e6 LTE_config.N_RB = 75; LTE_config.fft_points = 1536; switch LTE_config.cyclic_prefix case 'normal' LTE_config.CP_length_samples = 108; case 'extended' LTE_config.CP_length_samples = 384; end case 20e6 LTE_config.N_RB = 100; LTE_config.fft_points = 2048; switch LTE_config.cyclic_prefix case 'normal' LTE_config.CP_length_samples = 144; case 'extended' LTE_config.CP_length_samples = 512; end otherwise error('Bandwidth not supported'); end LTE_config.Ntot = LTE_config.N_RB*12; LTE_config.fs = 15e3*LTE_config.fft_points; LTE_config.sym_per_RB = (12*LTE_config.N_sym) - 4; %% BLER curves LTE_config.BLER_curves.folder = fullfile(pwd,'data_files','AWGN_1.4MHz_r548'); LTE_config.BLER_curves.filenames = { fullfile(LTE_config.BLER_curves.folder,'cqi_1_0re-tx_1TTI_UL_delay_1.4MHz_AWGN_TX_mode1_1x1_freqoff0_none_5000TTI_20091130_153201.mat') fullfile(LTE_config.BLER_curves.folder,'cqi_2_0re-tx_1TTI_UL_delay_1.4MHz_AWGN_TX_mode1_1x1_freqoff0_none_5000TTI_20091130_162321.mat') fullfile(LTE_config.BLER_curves.folder,'cqi_3_0re-tx_1TTI_UL_delay_1.4MHz_AWGN_TX_mode1_1x1_freqoff0_none_5000TTI_20091130_171541.mat') fullfile(LTE_config.BLER_curves.folder,'cqi_4_0re-tx_1TTI_UL_delay_1.4MHz_AWGN_TX_mode1_1x1_freqoff0_none_5000TTI_20091130_180950.mat') fullfile(LTE_config.BLER_curves.folder,'cqi_5_0re-tx_1TTI_UL_delay_1.4MHz_AWGN_TX_mode1_1x1_freqoff0_none_5000TTI_20091130_190619.mat') fullfile(LTE_config.BLER_curves.folder,'cqi_6_0re-tx_1TTI_UL_delay_1.4MHz_AWGN_TX_mode1_1x1_freqoff0_none_5000TTI_20091130_200502.mat') fullfile(LTE_config.BLER_curves.folder,'cqi_7_0re-tx_1TTI_UL_delay_1.4MHz_AWGN_TX_mode1_1x1_freqoff0_none_5000TTI_20091130_211202.mat') fullfile(LTE_config.BLER_curves.folder,'cqi_8_0re-tx_1TTI_UL_delay_1.4MHz_AWGN_TX_mode1_1x1_freqoff0_none_5000TTI_20091130_221956.mat') fullfile(LTE_config.BLER_curves.folder,'cqi_9_0re-tx_1TTI_UL_delay_1.4MHz_AWGN_TX_mode1_1x1_freqoff0_none_5000TTI_20091130_233253.mat') fullfile(LTE_config.BLER_curves.folder,'cqi_10_0re-tx_1TTI_UL_delay_1.4MHz_AWGN_TX_mode1_1x1_freqoff0_none_5000TTI_20091201_005607.mat') fullfile(LTE_config.BLER_curves.folder,'cqi_11_0re-tx_1TTI_UL_delay_1.4MHz_AWGN_TX_mode1_1x1_freqoff0_none_5000TTI_20091201_022305.mat') fullfile(LTE_config.BLER_curves.folder,'cqi_12_0r