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fixed noise level calculation

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git-svn-id: http://svn.eurecom.fr/openair4G/trunk@6006 818b1a75-f10b-46b9-bf7c-635c3b92a50f
This commit is contained in:
Florian Kaltenberger
2014-11-11 21:16:13 +00:00
parent 9006a19bfe
commit 61e83cc7a8
1 changed files with 12 additions and 4 deletions
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targets/PROJECTS/CORRIDOR/log_read.m
+12 -4
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@@ -51,6 +51,14 @@ for idx=1:length(d1)
NF2=[NF0_2600_interp(sub2ind(size(NF0_2600_interp),data2{idx}(:,16),data2{idx}(:,15)+1,ones(length(data2{idx}),1))) ...
NF0_2600_interp(sub2ind(size(NF0_2600_interp),data2{idx}(:,22),data2{idx}(:,21)+1,ones(length(data2{idx}),1))) ...
NF0_2600_interp(sub2ind(size(NF0_2600_interp),data2{idx}(:,28),data2{idx}(:,27)+1,ones(length(data2{idx}),1)))];
G1=[G0_800_interp(sub2ind(size(G0_800_interp),data1{idx}(:,16),data1{idx}(:,15)+1,ones(length(data1{idx}),1)))];
G2=[G0_2600_interp(sub2ind(size(G0_2600_interp),data2{idx}(:,16),data2{idx}(:,15)+1,ones(length(data2{idx}),1))) ...
G0_2600_interp(sub2ind(size(G0_2600_interp),data2{idx}(:,22),data2{idx}(:,21)+1,ones(length(data2{idx}),1))) ...
G0_2600_interp(sub2ind(size(G0_2600_interp),data2{idx}(:,28),data2{idx}(:,27)+1,ones(length(data2{idx}),1)))];
% digital noise power in dB
N1 = -174 + 10*log10(7.68e6) + NF1 + G1;
N2 = repmat(-174+10*log10([30.72e6 30.72e6 15.36e6]),length(NF2),1) + NF2 + G2;
%% plot gps coordinates
h=figure(idx*10+1);
@@ -84,11 +92,11 @@ for idx=1:length(d1)
% TODO: convert time (in unix epoch) into something more meaninful
h=figure(idx*10+5);
hold off
plot(rtime1,smooth(NF1,100),'r')
plot(rtime1,smooth(N1,100),'r')
hold on
plot(rtime2,smooth(NF2(:,1),100),'b')
plot(rtime2,smooth(NF2(:,2),100),'c')
plot(rtime2,smooth(NF2(:,3),100),'m')
plot(rtime2,smooth(N2(:,1),100),'b')
plot(rtime2,smooth(N2(:,2),100),'c')
plot(rtime2,smooth(N2(:,3),100),'m')
legend('UHF','2.6GHz card 1','2.6GHz card 2','2.6GHz card 3');
xlabel('time [seconds]')
ylabel('NF [dB]')