update of tdd reciprocity measurement scripts

git-svn-id: http://svn.eurecom.fr/openair4G/trunk@4069 818b1a75-f10b-46b9-bf7c-635c3b92a50f

targets/PROJECTS/TDDREC/initparams.m

@@ -5,14 +5,14 @@
 clear
 paramsinitialized=false;
 limeparms;
-rxgain=30;
-txgain=25;
+rxgain=0;
+txgain=5;
 eNB_flag = 0;
 card = 0;
 Ntrx=4;
 dual_tx=0;
 active_rfA=[1 0 0 0];
-active_rfB=[0 1 0 0];
+active_rfB=[0 1 1 0];
 active_rf=active_rfA+active_rfB;
 
 if(active_rfA*active_rfB'!=0) error("The A and B transceive chains must be orthogonal./n") endif
@@ -22,10 +22,12 @@ fc  = 1912600000; %1907600000;
 %fc = 859.5e6;
 
 
-%rf_mode=(RXEN+TXEN+TXLPFNORM+TXLPFEN+TXLPF25+RXLPFNORM+RXLPFEN+RXLPF25+LNA1ON+LNAByp+RFBBLNA1) * active_rf;
 autocal_mode=active_rf;
-rf_mode=(TXLPFNORM+TXLPFEN+TXLPF25+RXLPFNORM+RXLPFEN+RXLPF25+LNA1ON+LNAMax+RFBBNORM) * active_rf;
-tdd_config = DUPLEXMODE_FDD+TXRXSWITCH_TESTTX; LSBSWITCH_FLAG=false; 
+%rf_mode=(RXEN+TXEN+TXLPFNORM+TXLPFEN+TXLPF25+RXLPFNORM+RXLPFEN+RXLPF25+LNA1ON+LNAByp+RFBBLNA1) * active_rf;
+%rf_mode=(TXLPFNORM+TXLPFEN+TXLPF25+RXLPFNORM+RXLPFEN+RXLPF25+LNA1ON+LNAMax+RFBBNORM) * active_rf;
+% we have to enable both DMA transfers so that the switching signal in the LSB of the TX buffer gets set
+rf_mode=(TXLPFNORM+TXLPFEN+TXLPF25+RXLPFNORM+RXLPFEN+RXLPF25+LNA1ON+LNAMax+RFBBNORM+DMAMODE_TX+TXEN+DMAMODE_RX+RXEN) * active_rf;
+tdd_config = DUPLEXMODE_FDD+TXRXSWITCH_LSB; LSBSWITCH_FLAG=false; %we also need the LSB switching for the woduplex script, otherwise we don't receive anything
 %tdd_config = DUPLEXMODE_FDD+TXRXSWITCH_LSB; LSBSWITCH_FLAG=true;
 syncmode = SYNCMODE_FREE;
 rf_local = [8254744   8255063   8257340   8257340]; %eNB2tx 1.9GHz

targets/PROJECTS/TDDREC/runmeas_woduplex.m

@@ -28,30 +28,34 @@ if(paramsinitialized && ~LSBSWITCH_FLAG)
   for i=1:4
     if(indA(ia)==i)
       [Da2b_T, tmps]=genrandpskseq(N,M,amp);
-      signalA2B(:,i)=tmps;
+      signalA2B(:,i)=tmps*2; %make sure LSB is 0 (switch=tx)
+      signalB2A(:,i)=repmat(1+1j,76800,1); %make sure LSB is 1 (switch=rx)
       if(length(indA)> ia) ia=ia+1; endif
     endif
     if(indB(ib)==i)      
       % This part could be improved by creating fully orthogonal sequences
       [tmpd, tmps]=genrandpskseq(N,M,amp);
-      signalB2A(:,i)=tmps;
+      signalB2A(:,i)=tmps*2;
+      signalA2B(:,i)=repmat(1+1j,76800,1);
       Db2a_T=[Db2a_T tmpd];
       if(length(indB)> ib) ib=ib+1; endif
     endif
   endfor
     
 # %% ------- Node A to B transmission ------- %%	
-  rf_mode_current = rf_mode + (DMAMODE_TX+TXEN)*active_rfA +(DMAMODE_RX+RXEN)*active_rfB;
-  oarf_config_exmimo(card,  		 freq_rx,freq_tx,tdd_config,syncmode,rx_gain,tx_gain,eNB_flag,rf_mode_current,rf_rxdc,rf_local,rf_vcocal,rffe_rxg_low,rffe_rxg_final,rffe_band,autocal_mode);	
+  rf_mode_current = rf_mode; % + (DMAMODE_TX+TXEN)*active_rfA +(DMAMODE_RX+RXEN)*active_rfB; 
+  oarf_config_exmimo(card,freq_rx,freq_tx,tdd_config,syncmode,rx_gain,tx_gain,eNB_flag,rf_mode_current,rf_rxdc,rf_local,rf_vcocal,rffe_rxg_low,rffe_rxg_final,rffe_band,autocal_mode);	
   oarf_send_frame(card,signalA2B,n_bit);
+  %keyboard
   receivedA2B=oarf_get_frame(card);
   oarf_stop(card);
 
 
 # %% ------- Node B to A transmission ------- %%	
-  rf_mode_current = rf_mode + (DMAMODE_TX+TXEN)*active_rfB +(DMAMODE_RX+RXEN)*active_rfA;
-  oarf_config_exmimo(card, freq_rx,freq_tx,tdd_config,syncmode,rx_gain,tx_gain,eNB_flag,rf_mode_current,rf_rxdc,rf_local,rf_vcocal,rffe_rxg_low,rffe_rxg_final,rffe_band,autocal_mode);
+  rf_mode_current = rf_mode; % + (DMAMODE_TX+TXEN)*active_rfB +(DMAMODE_RX+RXEN)*active_rfA; 
+  oarf_config_exmimo(card,freq_rx,freq_tx,tdd_config,syncmode,rx_gain,tx_gain,eNB_flag,rf_mode_current,rf_rxdc,rf_local,rf_vcocal,rffe_rxg_low,rffe_rxg_final,rffe_band,autocal_mode);
   oarf_send_frame(card,signalB2A,n_bit);
+  %keyboard
   receivedB2A=oarf_get_frame(card);
   oarf_stop(card);