Florian Kaltenberger
fa5c95441e
git-svn-id: http://svn.eurecom.fr/openair4G/trunk@4836 818b1a75-f10b-46b9-bf7c-635c3b92a50f
44 lines
827 B
Matlab
44 lines
827 B
Matlab
%clear all
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%close all
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addpath([getenv('OPENAIR1_DIR') '/PHY/LTE_REFSIG/']);
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addpath([getenv('OPENAIR1_DIR') '/PHY/LTE_TRANSPORT/']);
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primary_synch; %loads the primary sync signal
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%sss_gen; %loads the secondary sync signal
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% grab a frame
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% load frame
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%addpath([getenv('OPENAIR_TARGETS') '/SIMU/USER/']);
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%eNBtxsig1
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%keyboard
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%figure(1)
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%plot(real(s))
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%pss_t = upsample(primary_synch0_time,4);
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primary_synch;
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primary_synch0_time;
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pss0_up = interp(primary_synch0_time,4);
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pss0_up_cp = [pss0_up(512-127:end) pss0_up];
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% plot(real(pss0_up_cp))
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pss0_up_cp = [pss0_up(512-127:end) pss0_up]*1024;
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% plot(real(pss0_up_cp))
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pss_t = pss0_up_cp;
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s = receivedA2B1;
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[corr,lag] = xcorr(s(:,1).',pss_t.');
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[pss_amp, pss_pos0] = max(abs(corr));
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pss_pos = lag(pss_pos0);
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pss_ref=pss_pos;
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frame_start=pss_ref
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