static int gpib_send_cmd(char data)
{
hal_gpib_set_signal_true(ATN_PIN);
int val = gpib_send(data);
hal_gpib_set_signal_false(ATN_PIN);
return val;
}
void analyzer(unsigned int gpib_card,unsigned int gpib_device,unsigned int freqband,LTE_DL_FRAME_PARMS *frame_parms,DCI_ALLOC_t *dci_alloc)
{
char string[256];
//Start the remote control
gpib_send(gpib_card,gpib_device,"*RST;*CLS"); //reset and configure the signal analyzer
gpib_send(gpib_card,gpib_device,"CONF:PRES");
gpib_send(gpib_card,gpib_device,"CALC1:FEED 'CONS:CONS'");
gpib_send(gpib_card,gpib_device,"INIT");
//select the duplexing mode
if (frame_parms->frame_type == 0)
gpib_send(gpib_card,gpib_device,"CONF:DUPL FDD");
else
gpib_send(gpib_card,gpib_device,"CONF:DUPL TDD");
//set the direction into DL
gpib_send(gpib_card,gpib_device,"CONF:LDIR DL");
//carrier frequency
gpib_send(gpib_card,gpib_device,"FREQ:CENT 1.2GHZ");
//input source
gpib_send(gpib_card,gpib_device,"INP RF");
//RF attenuation
gpib_send(gpib_card,gpib_device,"INP:ATT 0");
////Using a Trigger
gpib_send(gpib_card,gpib_device,"TRIG:MODE IMM"); //Selects free run trigger source
// number of frames to be selected
gpib_send(gpib_card,gpib_device,"FRAM:COUN:STAT ON");
gpib_send(gpib_card,gpib_device,"FRAM:COUN 4");
//select all the subframes
gpib_send(gpib_card,gpib_device,"SUBF:SEL ALL");
//Identifies the configuration according to the data in the PDCCH DCIs
gpib_send(gpib_card,gpib_device,"DL:FORM:PSCD PDCCH");
//sets the number of resource blocks to 25
sprintf(string,"CONF:DL:NORB %d",frame_parms->N_RB_DL);
gpib_send(gpib_card,gpib_device,string);
//set the prefix of the subframes
if (frame_parms->Ncp == 0)
gpib_send(gpib_card,gpib_device,"CONF:DL:CYCP NORM");
else
gpib_send(gpib_card,gpib_device,"CONF:DL:CYCP EXT");
//select the UL/DL subframe configuration for downlink signals
sprintf(string,"CONF:DL:TDD:UDC %d",frame_parms->tdd_config);
gpib_send(gpib_card,gpib_device,string); //sets the UL/DL configuration into 3
//Selects the configuration of a TDD special subframe
sprintf(string,"CONF:DL:TDD:UDC %d",frame_parms->tdd_config_S);
gpib_send(gpib_card,gpib_device,string); //sets the special subframe configuration into 0
}
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");
}
void calibration(unsigned int gpib_card,unsigned int gpib_device,unsigned int freqband,LTE_DL_FRAME_PARMS *frame_parms,DCI_ALLOC_t *dci_alloc){
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 DOWN");
//gpib_send(gpib_card,gpib_device,"BB:EUTR:SETT:TMOD:DL 'E-TM1_1__20MHz'"); //EUTRA test model
gpib_send(gpib_card,gpib_device,"BB:EUTR:SLEN 4"); //sequence length of the signal in number of frames
/*
//Filter/Clipping/Power Settings
gpib_send(gpib_card,gpib_device,"BB:EUTR:FILT:TYPE LTEF"); //set the filter type into LET filter
gpib_send(gpib_card,gpib_device,"BB:EUTR:FILT:MODE RT"); //select a realtime filter mode
gpib_send(gpib_card,gpib_device,"BB:EUTR:FILT:PAR:LTE:COFF 0.35"); // set the roll-off factor for LTE filter
gpib_send(gpib_card,gpib_device,"BB:EUTR:FILT:PAR:LTE:COFS -0.3"); //set the cut of the frequency for LET filter, here -0.3 the BW is 20 MHz
gpib_send(gpib_card,gpib_device,"BB:EUTR:FILT:PAR:LTE:OPT ACPN"); //selects ACP (Narrow) optimization
gpib_send(gpib_card,gpib_device,"BB:EUTR:FILT:PAR:LTE:ROF 0.2"); //the roll-off factor is set to 0.2.
// the clock setting
gpib_send(gpib_card,gpib_device,"BB:EUTR:CLOC:SOUR EXT"); //Selects the clock source
gpib_send(gpib_card,gpib_device,"BB:EUTR:CLOC:MODE SAMP"); //selects clock type SAMPle
gpib_send(gpib_card,gpib_device,"BB:EUTR:CLOC:SYNC:MODE MAST"); //the instrument is configured to work as a master one.
gpib_send(gpib_card,gpib_device,"BB:EUTR:CLOCK:SYNC:EXEC"); //all synchronization's settings are adjusted accordingly
*/
// 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 Downlink Settings
gpib_send(gpib_card,gpib_device,"BB:EUTR:DL:CONF:MODE AUTO"); //Determines whether the configuration and scheduling of the different PDSCH allocations
//inside of the DL allocation table is performed manual or according to the configuration
//made for the DCIs
//sets the MIMO configuration to 1 TxAntenna
sprintf(string,"BB:EUTR:DL:MIMO:CONF TX%d",frame_parms->nb_antennas_tx);
gpib_send(gpib_card,gpib_device,string);
gpib_send(gpib_card,gpib_device,"BB:EUTR:DL:MIMO:ANTA ANT1"); //Sets the simulated antenna for path A, selesct antenna 1
gpib_send(gpib_card,gpib_device,"BB:EUTR:DL:MIMO:ANTB NONE"); //Set the Simulation antenna for path B, we Just have one antenna, so for path B, no antenna
gpib_send(gpib_card,gpib_device,"BB:EUTR:DL:SYNC:TXAN ALL"); //enables all antennas port to transmit P-/S-SYNC
gpib_send(gpib_card,gpib_device,"BB:EUTR:DL:BW USER"); //selects a downlink frequency band of USER
//sets the number of resource blocks to 25
sprintf(string,"BB:EUTR:DL:NORB %d",frame_parms->N_RB_DL);
gpib_send(gpib_card,gpib_device,string);
//size of FFT
//sprintf(string,"BB:EUTR:DL:FFT %d",frame_parms->ofdm_symbol_size); //depends on the number of resource block
//gpib_send(gpib_card,gpib_device,string);
//sets the Cell ID 0
sprintf(string,"BB:EUTR:DL:PLC:CID %d",frame_parms->Nid_cell);
gpib_send(gpib_card,gpib_device,string);
//gpib_send(gpib_card,gpib_device,"BB:EUTR:DL:PLC:PLID 2"); //physical layer is 2
//set the prefix of the subframes
if (frame_parms->Ncp == 0)
gpib_send(gpib_card,gpib_device,"BB:EUTR:DL:CPC NORM");
else
gpib_send(gpib_card,gpib_device,"BB:EUTR:DL:CPC EXT");
//DL Frame Configuration
gpib_send(gpib_card,gpib_device,"BB:EUTR:DL:VIEW:MODE PRB"); //Determines the time plan shows the allocated Physical Resource Blocks
gpib_send(gpib_card,gpib_device,"BB:EUTR:DL:BUR DUD"); //the unscheduled resource elements are filled with dummy data.
gpib_send(gpib_card,gpib_device,"BB:EUTR:DL:SFS 6"); //displays subframe 6 in the allocation list view.
gpib_send(gpib_card,gpib_device,"BB:EUTR:DL:SUBF6:ALC 1");
gpib_send(gpib_card,gpib_device,"BB:EUTR:DL:SUBF6:ALL1:CW:AOC ON");
gpib_send(gpib_card,gpib_device,"BB:EUTR:DL:SUBF6:ALL1:CW:CONT PDSC"); //selects PDSCH as type for the selected allocation
gpib_send(gpib_card,gpib_device,"BB:EUTR:DL:SUBF6:ALL1:CW1:MOD QPSK");//choose modulation QPSK
gpib_send(gpib_card,gpib_device,"BB:EUTR:DL:SUBF4:ALL1:CW:DATA USER1"); // user1 is the data source for the selected allocation
gpib_send(gpib_card,gpib_device,"BB:EUTR:DL:SUBF6:ALL1:CW:STAT ON"); //activates the selected allocation.
//PDCCH & PSCH configuration
gpib_send(gpib_card,gpib_device,"BB:EUTR:DL:SUBF6:ENCC:STAT ON"); //enables PDCCH allocation
//gpib_send(gpib_card,gpib_device,"BB:EUTR:DL:SUBF6:ENCC:PREC:SCH TXD");
gpib_send(gpib_card,gpib_device,"BB:EUTR:DL:SUBF6:ENCC:PDCC:SCR:STAT ON"); //enables scrambling
gpib_send(gpib_card,gpib_device,"BB:EUTR:DL:SUBF6:ENCC:PDCC:FORM VAR"); //sets the PDCCH format into VAR
gpib_send(gpib_card,gpib_device,"BB:EUTR:DL:SUBF6:ENCC:PDCC:EXTC:RES"); //reset the table table
//gpib_send(gpib_card,gpib_device,"BB:EUTR:DL:SUBF6:ENCC:PDCC:EXTC:SIT 0"); //selects the first row in the DCI table
gpib_send(gpib_card,gpib_device,"BB:EUTR:DL:SUBF6:ENCC:PDCC:EXTC:APP");
//sets the n_RNTI into 1234
sprintf(string,"BB:EUTR:DL:SUBF6:ENCC:PDCC:EXTC:ITEM1:UEID %d",dci_alloc->rnti);
gpib_send(gpib_card,gpib_device,string);
sprintf(string,"BB:EUTR:DL:SUBF6:ENCC:PDCC:EXTC:ITEM1:UEID %d",dci_alloc->rnti);
gpib_send(gpib_card,gpib_device,string);
//sets the DCI format into 1
sprintf(string,"BB:EUTR:DL:SUBF6:ENCC:PDCC:EXTC:ITEM1:DCIF F%d",dci_alloc->format);
gpib_send(gpib_card,gpib_device,string);
gpib_send(gpib_card,gpib_device,"BB:EUTR:DL:SUBF6:ENCC:PDCC:EXTC:ITEM1:PFMT 0"); //Sets the PDCCH format for the selected PDCCH into 0
gpib_send(gpib_card,gpib_device,"BB:EUTR:DL:SUBF6:ENCC:PDCC:EXTC:ITEM1:DCIC:F1AM PDSC");//Selects the mode of the DCI format
//gpib_send(gpib_card,gpib_device,"BB:EUTR:DL:SUBF1:ENCC:PDCC:EXTC:USER USER1"); //the DCI is dedicated to User 1
gpib_send(gpib_card,gpib_device,"BB:EUTR:DL:SUBF6:ENCC:PDCC:EXTC:ITEM1:SESP OFF"); //the DCI is transmitted within the common or UE-specific search OFF
if(dci_alloc->format==format1){
//sets the HARQ process number
sprintf(string,"BB:EUTR:DL:SUBF6:ENCC:PDCC:EXTC:ITEM1:DCIC:HPN %d",((DCI1_5MHz_TDD_t*) DLSCH_alloc_pdu)->harq_pid);
gpib_send(gpib_card,gpib_device,string);
//sets the Modulation and Coding Scheme
sprintf(string,"BB:EUTR:DL:SUBF6:ENCC:PDCC:EXTC:ITEM1:DCIC:MCSR %d",((DCI1_5MHz_TDD_t*)DLSCH_alloc_pdu)->mcs);
gpib_send(gpib_card,gpib_device,string);
//sets the New Data Indicator
if(((DCI1_5MHz_TDD_t*)DLSCH_alloc_pdu)->ndi==1)
gpib_send(gpib_card,gpib_device,"BB:EUTR:DL:SUBF6:ENCC:PDCC:EXTC:ITEM1:DCIC:NDI ON");
else
gpib_send(gpib_card,gpib_device,"BB:EUTR:DL:SUBF6:ENCC:PDCC:EXTC:ITEM1:DCIC:NDI OFF");
//disables Resource Allocation Header
if(((DCI1_5MHz_TDD_t*)DLSCH_alloc_pdu)->rah==1)
gpib_send(gpib_card,gpib_device,"BB:EUTR:DL:SUBF6:ENCC:PDCC:EXTC:ITEM1:DCIC:RAH ON");
else
gpib_send(gpib_card,gpib_device,"BB:EUTR:DL:SUBF6:ENCC:PDCC:EXTC:ITEM1:DCIC:RAH OFF");
//sets Resource Block Assignment
sprintf(string,"BB:EUTR:DL:SUBF6:ENCC:PDCC:EXTC:ITEM1:DCIC:RBA %d",((DCI1_5MHz_TDD_t*)DLSCH_alloc_pdu)->rballoc );
gpib_send(gpib_card,gpib_device,string);
//sets the Redundancy Version
sprintf(string,"BB:EUTR:DL:SUBF6:ENCC:PDCC:EXTC:ITEM1:DCIC:RV %d",((DCI1_5MHz_TDD_t*)DLSCH_alloc_pdu)->rv );
gpib_send(gpib_card,gpib_device,string);
//sets the TPC Command for PUSCH
sprintf(string,"BB:EUTR:DL:SUBF6:ENCC:PDCC:EXTC:ITEM1:DCIC:TPCC %d",((DCI1_5MHz_TDD_t*)DLSCH_alloc_pdu)->TPC );
gpib_send(gpib_card,gpib_device,string);
}
gpib_send(gpib_card,gpib_device,"BB:EUTR:DL:SUBF6:ENCC:PDCC:EXTC:SIT 0");
gpib_send(gpib_card,gpib_device,"BB:EUTR:DL:SUBF6:ENCC:PDCC:EXTC:DEL");
//gpib_send(gpib_card,gpib_device,"AWGN:STAT ON"); // to add noise in the system
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");
}
int GPIB_Send(GPIB_Command cmd, char data)
{
char code;
switch (cmd) {
case ATN:
if (data)
hal_gpib_set_signal_true(ATN_PIN);
else
hal_gpib_set_signal_false(ATN_PIN);
break;
case IFC:
if (data)
hal_gpib_set_signal_true(IFC_PIN);
else
hal_gpib_set_signal_false(IFC_PIN);
break;
case SRQ:
if (data)
hal_gpib_set_signal_true(SRQ_PIN);
else
hal_gpib_set_signal_false(SRQ_PIN);
break;
case REN:
if (data)
hal_gpib_set_signal_true(REN_PIN);
else
hal_gpib_set_signal_false(REN_PIN);
break;
case EOI:
if (data)
hal_gpib_set_signal_true(EOI_PIN);
else
hal_gpib_set_signal_false(EOI_PIN);
break;
case MLA: code = MLA_CODE; break;
case MTA: code = MTA_CODE; break;
case LAD: code = LAD_CODE + data; break;
case UNL: code = UNL_CODE; break;
case TAD: code = TAD_CODE + data; break;
case UNT: code = UNT_CODE; break;
case SAD: code = SAD_CODE + data; break;
case LLO: code = LLO_CODE; break;
case DCL: code = DCL_CODE; break;
case PPU: code = PPU_CODE; break;
case _SPE: code = SPE_CODE; break;
case SPD: code = SPD_CODE; break;
case GTL: code = GTL_CODE; break;
case SDC: code = SDC_CODE; break;
case PPC: code = PPC_CODE; break;
case GET: code = GET_CODE; break;
case TCT: code = TCT_CODE; break;
case PPE: code = PPE_CODE; break;
case PPD: code = PPD_CODE; break;
case DAB:
hal_gpib_set_signal_false(ATN_PIN);
return gpib_send(data);
default: assert(0);
}
return gpib_send_cmd(code);
}
