deactivate STF de-boost at RX

maxpenner · Dec 18, 2024 · 250c55c · 250c55c
1 parent 0bcce8c
commit 250c55c
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Showing 4 changed files with 22 additions and 6 deletions.
diff --git a/+lib_6_generic_procedures/ofdm_signal_generation_Cyclic_prefix_insertion_rev.m b/+lib_6_generic_procedures/ofdm_signal_generation_Cyclic_prefix_insertion_rev.m
@@ -40,8 +40,16 @@
             N_OCC_0 = N_OCC_l/4;
             samples_antenna_sto_cfo(1:STF_in_samples,:) = sqrt(N_OCC_0)/N_b_DFT*samples_antenna_sto_cfo(1:STF_in_samples,:);
 
+            % !!!!!!!!!!! NOT STANDARD COMPLIANT !!!!!!!!!!!
+            % !!!!!!!!!!! NOT STANDARD COMPLIANT !!!!!!!!!!!
+            % !!!!!!!!!!! NOT STANDARD COMPLIANT !!!!!!!!!!!
+            % !!!!!!!!!!! NOT STANDARD COMPLIANT !!!!!!!!!!!
             % we boosted the stf, remove this boost
-            samples_antenna_sto_cfo(1:STF_in_samples,:) = 1/sqrt(N_eff_TX)*samples_antenna_sto_cfo(1:STF_in_samples,:);
+            %samples_antenna_sto_cfo(1:STF_in_samples,:) = 1/sqrt(N_eff_TX)*samples_antenna_sto_cfo(1:STF_in_samples,:);
+            % !!!!!!!!!!! NOT STANDARD COMPLIANT !!!!!!!!!!!
+            % !!!!!!!!!!! NOT STANDARD COMPLIANT !!!!!!!!!!!
+            % !!!!!!!!!!! NOT STANDARD COMPLIANT !!!!!!!!!!!
+            % !!!!!!!!!!! NOT STANDARD COMPLIANT !!!!!!!!!!!
 
             % we need to add some zeros to make it a multiple of N_b_DFT
             GI_length_in_samples = N_b_CP + N_b_DFT;
@@ -77,8 +85,16 @@
             N_OCC_0 = N_OCC_l/4;
             samples_antenna_sto_cfo(1:STF_in_samples,:) = sqrt(N_OCC_0)/N_b_DFT*samples_antenna_sto_cfo(1:STF_in_samples,:);
 
+            % !!!!!!!!!!! NOT STANDARD COMPLIANT !!!!!!!!!!!
+            % !!!!!!!!!!! NOT STANDARD COMPLIANT !!!!!!!!!!!
+            % !!!!!!!!!!! NOT STANDARD COMPLIANT !!!!!!!!!!!
+            % !!!!!!!!!!! NOT STANDARD COMPLIANT !!!!!!!!!!!
             % we boosted the stf, remove this boost
-            samples_antenna_sto_cfo(1:STF_in_samples,:) = 1/sqrt(N_eff_TX)*samples_antenna_sto_cfo(1:STF_in_samples,:);            
+            %samples_antenna_sto_cfo(1:STF_in_samples,:) = 1/sqrt(N_eff_TX)*samples_antenna_sto_cfo(1:STF_in_samples,:);
+            % !!!!!!!!!!! NOT STANDARD COMPLIANT !!!!!!!!!!!
+            % !!!!!!!!!!! NOT STANDARD COMPLIANT !!!!!!!!!!!
+            % !!!!!!!!!!! NOT STANDARD COMPLIANT !!!!!!!!!!!
+            % !!!!!!!!!!! NOT STANDARD COMPLIANT !!!!!!!!!!!
 
             % ofdm demodulation, switch back to frequency domain
             demod = comm.OFDMDemodulator ('FFTLength',N_b_DFT,...

diff --git a/+lib_rx/sync_STF.m b/+lib_rx/sync_STF.m
@@ -44,7 +44,7 @@
         % the step must be small enough to find every STF at every SNR
         for k = 1 : sto_config.threshold.step : numel(metric)
 
-            % determine the metric at this samples index
+            % determine the metric at this sample index
             metric(k) = lib_rx.sync_STO_coarse_metric(samples_antenna_single(k : k + n_samples_STF_os - 1), M, L, sto_config.minimum_power_threshold);
 
             % the threshold must be small enough to find every STF at every SNR
@@ -68,7 +68,7 @@
 
     % In a real receiver, we will start the rest of the synchronization algorithm once we hit a preamble at ANY antenna.
     % This corresponds in our case to finding the smallest index across all antennas.
-    % If we didn't find any preamble at all, assume index 1, which will lead to a incorrect decoding if STO is sufficiently large.
+    % If we didn't find any preamble at all, assume index 1, which will lead to a incorrect decoding if the STO is sufficiently large.
     if isempty(coarse_threshold_crossing_idx) == true
         coarse_threshold_crossing_idx = 1;
     else

diff --git a/main_BER_PER_over_MCS_plot_PCC.m b/main_BER_PER_over_MCS_plot_PCC.m
@@ -1,7 +1,7 @@
 clear all;
 close all;
 
-% This scripts plots the results generated with main_BER_PER_over_MCS.m, main_BER_PER_over_MCS_convergence.m or main_BER_PER_over_MCS_convergence_full.m.
+% This scripts plots the results generated with main_BER_PER_over_MCS.m.
 
 load('results/var_all.mat');
 

diff --git a/main_BER_PER_over_MCS_plot_PDC.m b/main_BER_PER_over_MCS_plot_PDC.m
@@ -1,7 +1,7 @@
 clear all;
 close all;
 
-% This scripts plots the results generated with main_BER_PER_over_MCS.m, main_BER_PER_over_MCS_convergence.m or main_BER_PER_over_MCS_convergence_full.m.
+% This scripts plots the results generated with main_BER_PER_over_MCS.m.
 
 load('results/var_all.mat');