maki/openairinterface5g
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

new code for UE band scanning, more cleanup of warnings in openair1

Browse Source 
git-svn-id: http://svn.eurecom.fr/openair4G/trunk@6424 818b1a75-f10b-46b9-bf7c-635c3b92a50f
This commit is contained in:
Raymond Knopp
2015-01-26 10:25:19 +00:00
parent 1a3548e5e3
commit cab3d8823f
23 changed files with 328 additions and 264 deletions
Download Patch File Download Diff File Expand all files Collapse all files
openair1/PHY/LTE_ESTIMATION/lte_sync_timefreq.m
+47
View File
@@ -0,0 +1,47 @@
% OCTAVE Code to generate upsampled pss0-2
n=0:61;
d0 = zeros(1,62);
d1 = zeros(1,62);
d2 = zeros(1,62);
d0(1+(0:30)) = exp(-sqrt(-1)*pi*25*(0:30).*(1:31)/63);
d1(1+(0:30)) = exp(-sqrt(-1)*pi*29*(0:30).*(1:31)/63);
d2(1+(0:30)) = exp(-sqrt(-1)*pi*34*(0:30).*(1:31)/63);
d0(1+(31:61)) = exp(-sqrt(-1)*pi*25*(32:62).*(33:63)/63);
d1(1+(31:61)) = exp(-sqrt(-1)*pi*29*(32:62).*(33:63)/63);
d2(1+(31:61)) = exp(-sqrt(-1)*pi*34*(32:62).*(33:63)/63);
pss0f = zeros(1,2048);
pss0f(2:32) = d0(1:31);
pss0f(2048+(-30:0)) = d0(32:62);
pss1f = zeros(1,2048);
pss1f(2:32) = d1(1:31);
pss1f(2048+(-30:0)) = d1(32:62);
pss2f = zeros(1,2048);
pss2f(2:32) = d2(1:31);
pss2f(2048+(-30:0)) = d2(32:62);
pss0_6144f = fftshift(fft(ifft(pss0f)*sqrt(2048),6144)/sqrt(6144));
pss1_6144f = fftshift(fft(ifft(pss1f)*sqrt(2048),6144)/sqrt(6144));
pss2_6144f = fftshift(fft(ifft(pss2f)*sqrt(2048),6144)/sqrt(6144));
pss0_6144_fp = zeros(1,512);
pss0_6144_fp(1:2:512) = (floor(32767*real(pss0_6144f(3072+(-128:127)))));
pss0_6144_fp(2:2:512) = (floor(32767*imag(pss0_6144f(3072+(-128:127)))));
pss1_6144_fp = zeros(1,512);
pss1_6144_fp(1:2:512) = (floor(32767*real(pss1_6144f(3072+(-128:127)))));
pss1_6144_fp(2:2:512) = (floor(32767*imag(pss1_6144f(3072+(-128:127)))));
pss2_6144_fp = zeros(1,512);
pss2_6144_fp(1:2:512) = (floor(32767*real(pss2_6144f(3072+(-128:127)))));
pss2_6144_fp(2:2:512) = (floor(32767*imag(pss2_6144f(3072+(-128:127)))));
fprintf("int16_t pss6144_0[512]={");
fprintf("%d,",pss0_6144_fp(1:511));
fprintf("%d};\n",pss0_6144_fp(512));
fprintf("int16_t pss6144_1[512]={");
fprintf("%d,",pss1_6144_fp(1:511));
fprintf("%d};\n",pss1_6144_fp(512));
fprintf("int16_t pss6144_2[512]={");
fprintf("%d,",pss2_6144_fp(1:511));
fprintf("%d};\n",pss2_6144_fp(512));