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restoring previously deleted file initial_sync.m

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git-svn-id: http://svn.eurecom.fr/openair4G/trunk@4836 818b1a75-f10b-46b9-bf7c-635c3b92a50f
This commit is contained in:
Florian Kaltenberger
2014-01-09 10:52:59 +00:00
parent 8368a9edeb
commit fa5c95441e
1 changed files with 43 additions and 0 deletions
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targets/PROJECTS/LOCALIZATION/initial_sync.m
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%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