pucchsignalgenerator.c 3.65 KB
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#include<stdio.h>
#include<string.h>
#include<gpib/ib.h>

#include "pucchsignalgegerator.h"


void gpib_send(unsigned int gpib_board, unsigned int gpib_device, char *command_string )
{
unsigned short addlist[2] ={gpib_device, NOADDR};
SendIFC(gpib_board);

//Enable all on GPIB bus
EnableRemote(gpib_board, addlist);


if(ibsta & ERR)
{
printf("gpib_send: Instrument enable failed! \n");
}

//Send Control Commandss
Send(gpib_board, gpib_device, command_string, strlen(command_string), NLend);

if(ibsta & ERR)
{

printf("gpib_send: Send failed! \n");

}
printf("%s \n",command_string);

}


void pucchsignalG(unsigned int gpib_card,unsigned int gpib_device,unsigned int freqband,LTE_DL_FRAME_PARMS *frame_parms,PUCCH_FMT_t pucch_format){
char string[256];
//void *DLSCH_alloc_pdu = (void *)dci_alloc[0].dci_pdu;

//Start the configuration
gpib_send(gpib_card,gpib_device,"*RST;*CLS");   //reset and configure the signal generator
gpib_send(gpib_card,gpib_device,"BB:EUTR:PRES");
gpib_send(gpib_card,gpib_device,"BB:EUTR:STAT ON");

gpib_send(gpib_card,gpib_device,"POW -70dBm");  // set output signal power
//gpib_send(gpib_card,gpib_device,"FREQ 1.91");  // set frequency

//Selects the duplexing mode
if (frame_parms->frame_type == 0)
  gpib_send(gpib_card,gpib_device,"BB:EUTR:DUPL FDD");                        
else
  gpib_send(gpib_card,gpib_device,"BB:EUTR:DUPL TDD");

gpib_send(gpib_card,gpib_device,"BB:EUTR:LINK UP");
gpib_send(gpib_card,gpib_device,"BB:EUTR:SLEN 4");                        //sequence length of the signal in number of frames

// General EUTRA/LTE Settings
sprintf(string,"BB:EUTR:TDD:UDC %d",frame_parms->tdd_config);
gpib_send(gpib_card,gpib_device,string);  //sets the UL/DL configuration into 3
sprintf(string,"BB:EUTR:TDD:SPSC %d",frame_parms->tdd_config_S);
gpib_send(gpib_card,gpib_device,string); //sets the special subframe configuration into 0


//General EUTRA/LTE UPlink Settings

gpib_send(gpib_card,gpib_device,"BB:EUTR:UL:BW USER"); //set the bandwidth into 5 MHz ??

sprintf(string,"BB:EUTR:UL:NORB %d",frame_parms->N_RB_UL); //sets the number of resource blocks to 25
gpib_send(gpib_card,gpib_device,string);  

sprintf(string,"BB:EUTR:UL:PLC:CID %d",frame_parms->Nid_cell); //sets the Cell ID 0
gpib_send(gpib_card,gpib_device,string);   


if (frame_parms->Ncp == 0)
  gpib_send(gpib_card,gpib_device,"BB:EUTR:UL:CPC NORM"); //set the prefix of the subframes
else
  gpib_send(gpib_card,gpib_device,"BB:EUTR:UL:CPC EXT");
 
gpib_send(gpib_card,gpib_device,"BB:EUTR:UL:REFS:GRPH OFF"); //disables group hopping

gpib_send(gpib_card,gpib_device,"BB:EUTR:UL:REFS:SEQH OFF"); //disables sequence hopping

gpib_send(gpib_card,gpib_device,"BB:EUTR:UL:REFS:SRS:ANST OFF"); //disables the A/N ans SRS simultaneous transmission for UE2





//UL Frame Configuration pucch
gpib_send(gpib_card,gpib_device,"BB:EUTR:UL:CONS 10");//10 UL subframes of a frame are configurable

gpib_send(gpib_card,gpib_device,"BB:EUTR:UL:SUBF2:ALL0:STAT ON"); //Sets the allocation state to active

gpib_send(gpib_card,gpib_device,"BB:EUTR:UL:SUBF2:ALL0:CONT PUCC"); 

//pucch format
if(pucch_format==pucch_format1)
{
 gpib_send(gpib_card,gpib_device,"BB:EUTR:UL:SUBF2:ALL0:FORM F1");
}
if(pucch_format==pucch_format1a)
{
 gpib_send(gpib_card,gpib_device,"BB:EUTR:UL:SUBF2:ALL0:FORM F1A");
}
if(pucch_format==pucch_format1b)
{
 gpib_send(gpib_card,gpib_device,"BB:EUTR:UL:SUBF2:ALL0:FORM F1B");
}

gpib_send(gpib_card,gpib_device,"BB:EUTR:UL:SUBF2:ALL0:VRB 2"); //sets the VRB Offset

//RF signal setting
gpib_send(gpib_card,gpib_device,"FREQ 1.2GHz");
gpib_send(gpib_card,gpib_device,"SOUR:POW:POW -50");
gpib_send(gpib_card,gpib_device,"SYSTem:ERRor?");
gpib_send(gpib_card,gpib_device,"OUTP ON");


}