restoring previously deleted file initial_sync.m

git-svn-id: http://svn.eurecom.fr/openair4G/trunk@4836 818b1a75-f10b-46b9-bf7c-635c3b92a50f

targets/PROJECTS/LOCALIZATION/initial_sync.m

+%clear all
+%close all
+
+addpath([getenv('OPENAIR1_DIR') '/PHY/LTE_REFSIG/']);
+addpath([getenv('OPENAIR1_DIR') '/PHY/LTE_TRANSPORT/']);
+primary_synch; %loads the primary sync signal
+%sss_gen; %loads the secondary sync signal
+
+% grab a frame
+
+
+% load frame
+%addpath([getenv('OPENAIR_TARGETS') '/SIMU/USER/']);
+%eNBtxsig1
+
+
+
+%keyboard
+
+%figure(1)
+%plot(real(s))
+
+%pss_t = upsample(primary_synch0_time,4);
+   primary_synch;
+   primary_synch0_time;
+   pss0_up = interp(primary_synch0_time,4);
+   pss0_up_cp = [pss0_up(512-127:end) pss0_up];
+  % plot(real(pss0_up_cp))
+   pss0_up_cp = [pss0_up(512-127:end) pss0_up]*1024;
+  % plot(real(pss0_up_cp))
+   pss_t = pss0_up_cp;
+
+
+s = receivedA2B1;
+
+[corr,lag] = xcorr(s(:,1).',pss_t.');
+
+[pss_amp, pss_pos0] = max(abs(corr));
+pss_pos = lag(pss_pos0);
+pss_ref=pss_pos;
+
+frame_start=pss_ref
+