dual_tx=0; card0=0; card1=1; limeparms; active_rf = zeros(1,4); active_rf = [1 1 1 1]; autocal = [1 1 1 1]; resampling_factor = [2 2 2 2]; %rf_mode = (RXEN+TXEN+TXLPFNORM+TXLPFEN+TXLPF25+RXLPFNORM+RXLPFEN+RXLPF25+LNA1ON+LNAMax+RFBBNORM)*[1 1 1 1]; rf_mode = (RXEN+TXLPFNORM+TXLPFEN+TXLPF25+RXLPFNORM+RXLPFEN+RXLPF25+LNA1ON+LNAMax+RFBBNORM)*active_rf; rf_mode = rf_mode+((DMAMODE_RX)*active_rf); %freq_rx = 2540000000*[1 1 1 1]; freq_rx = 2600000000*active_rf; %freq_rx = 2680000000*active_rf; %+ 2540000000*[0 1 0 0]; % + 859500000*[0 0 1 0]; %freq_rx = 1912600000*[1 1 1 1]; %freq_rx = 859500000*[1 1 1 1]; freq_tx = freq_rx; tx_gain = 0*active_rf; %[1 1 1 1]; rx_gain = 0*active_rf; %1 1 1 1]; rf_local= rf_local*active_rf; %[1 1 1 1]; rf_rxdc = rf_rxdc*active_rf; %[1 1 1 1]; %rf_vcocal=rf_vcocal_859*[1 1 1 1]; rf_vcocal=rf_vcocal_19G*active_rf; %1 1 1 1]; eNBflag = 0; tdd_config = DUPLEXMODE_FDD + TXRXSWITCH_TESTRX; %tdd_config = DUPLEXMODE_FDD + TXRXSWITCH_LSB; syncmode0 = SYNCMODE_MASTER; syncmode1 = SYNCMODE_SLAVE; rffe_rxg_low = 31*active_rf; %[1 1 1 1]; rffe_rxg_final = 63*active_rf; %[1 1 1 1]; rffe_band = B19G_TDD*active_rf; %[1 1 1 1]; printf('Configuring Card 0\n'); oarf_config_exmimo(card0,freq_rx,freq_tx,tdd_config,syncmode0,rx_gain,tx_gain,eNBflag,rf_mode,rf_rxdc,rf_local,rf_vcocal,rffe_rxg_low,rffe_rxg_final,rffe_band,autocal,resampling_factor) sleep(1); printf('Configuring Card 1\n'); oarf_config_exmimo(card1,freq_rx,freq_tx,tdd_config,syncmode1,rx_gain,tx_gain,eNBflag,rf_mode,rf_rxdc,rf_local,rf_vcocal,rffe_rxg_low,rffe_rxg_final,rffe_band,autocal,resampling_factor) gpib_card=0; % first GPIB PCI card in the computer gpib_device=28; % this is configured in the signal generator Utilities->System cables_loss_dB = 6; % we need to account for the power loss between the signa power_dBm = -95; %gpib_send(gpib_card,gpib_device,['POW ' int2str(power_dBm+cables_loss_dB) 'dBm']); %gpib_send(gpib_card,gpib_device,'OUTP:STAT ON'); % activate output %vlen=76800; %v = 5000* [ zeros(1,1000) ones(1,500) zeros(1,500) ones(1,1) zeros(1,vlen-1000-1000-1)]; v=[v;v;v;v]'; oarf_send_frame(1,v,16); %sleep(1) s=oarf_get_frame(0); %s1=oarf_get_frame(1); %s = [s s1]; if (resampling_factor(1)== 2) length1 = 76800; f0 = (7.68*(0:length(s(:,1))/4-1)/(length(s(:,1))/4))-3.84; axis([-3.84,3.84,40,200]); elseif (resampling_factor(1) == 1) length1 = 153600; f0 = (15.36*(0:length(s(:,1))/2-1)/(length(s(:,1))/2))-7.68; axis([-7.68,7.68,40,200]); else length1 = 307200; f0 = (30.72*(0:length(s(:,1))-1)/(length(s(:,1))))-15.36; axis([-15.36,15.36,40,200]); endif if (resampling_factor(2)== 2) length2 = 76800; f1 = (7.68*(0:length(s(:,2))/4-1)/(length(s(:,2))/4))-3.84; axis([-3.84,3.84,40,200]); elseif (resampling_factor(2) == 1) length2 = 153600; f1 = (15.36*(0:length(s(:,2))/2-1)/(length(s(:,2))/2))-7.68; axis([-7.68,7.68,40,200]); else length2 = 307200; f1 = (30.72*(0:length(s(:,2))-1)/(length(s(:,2))))-15.36; axis([-15.36,15.36,40,200]); endif if (resampling_factor(3)== 2) length3 = 76800; f2 = (7.68*(0:length(s(:,3))/4-1)/(length(s(:,3))/4))-3.84; axis([-3.84,3.84,40,200]); elseif (resampling_factor(3) == 1) length3 = 153600; f2 = (15.36*(0:length(s(:,3))/2-1)/(length(s(:,3))/2))-7.68; axis([-7.68,7.68,40,200]); else length3 = 307200; f2 = (30.72*(0:length(s(:,3))-1)/(length(s(:,3))))-15.36; axis([-15.36,15.36,40,200]); endif if (resampling_factor(4)== 2) length4 = 76800; f3 = (7.68*(0:length(s(:,4))/4-1)/(length(s(:,4))/4))-3.84; axis([-3.84,3.84,40,200]); elseif (resampling_factor(4) == 1) length4 = 153600; f3 = (15.36*(0:length(s(:,4))/2-1)/(length(s(:,4))/2))-7.68; axis([-7.68,7.68,40,200]); else length4 = 307200; f3 = (30.72*(0:length(s(:,4))-1)/(length(s(:,4))))-15.36; axis([-15.36,15.36,40,200]); endif length_slave = 76800; spec0 = 20*log10(abs(fftshift(fft(s(1:length1,1))))); spec1 = 20*log10(abs(fftshift(fft(s(1:length2,2))))); spec2 = 20*log10(abs(fftshift(fft(s(1:length3,3))))); spec3 = 20*log10(abs(fftshift(fft(s(1:length4,4))))); spec4 = 20*log10(abs(fftshift(fft(s(1:length_slave,5))))); spec5 = 20*log10(abs(fftshift(fft(s(1:length_slave,6))))); spec6 = 20*log10(abs(fftshift(fft(s(1:length_slave,7))))); spec7 = 20*log10(abs(fftshift(fft(s(1:length_slave,8))))); axis_time = [1:76800*4]; clf if (active_rf(1) == 1) hold off; plot(f0',spec0,'r'); figure plot(f0',spec4,'b'); endif %hold on if (active_rf(2) == 1) hold off; figure; plot(f1',spec1,'b'); endif %hold on if (active_rf(3) == 1) hold off; figure; plot(f2',spec2,'g'); endif %hold on if (active_rf(4) == 1) hold off; figure; plot(f3',spec3,'m'); endif %hold on hold off; figure; plot(real(s(1:length1,1)),'r'); hold on plot(real(s(1:length_slave,5)),'b'); hold off; figure; plot(imag(s(1:length1,1)),'r'); hold on plot(imag(s(1:length_slave,5)),'b'); %len=2500;off=0; chan=[1 5]; hold off ; figure; plot(real(s(off+1:off+len,chan)),'-o',"markersize",2) ; hold off ; figure; plot(imag(s(off+1:off+len,chan)),'r-o',"markersize",2); %hold off %axis([-3.84,3.84,40,160]); %gpib_send(gpib_card,gpib_device,'OUTP:STAT OFF'); % activate output %legend('Antenna Port 0','Antenna Port 1','Antenna Port 2','Antenna Port 3'); grid