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Commit b2765ac2 authored by Francesco Mani's avatar Francesco Mani
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some changes in pucchsim

parent 8dac3a46
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Showing with 43 additions and 41 deletions
openair1/PHY/NR_UE_TRANSPORT/pucch_nr.c
View file @ b2765ac2
......@@ -46,6 +46,7 @@
#define DEBUG_PUCCH_TX
#define DEBUG_NR_PUCCH_TX
#endif
//#define ONE_OVER_SQRT2 23170 // 32767/sqrt(2) = 23170 (ONE_OVER_SQRT2)
void nr_group_sequence_hopping (pucch_GroupHopping_t PUCCH_GroupHopping,
......@@ -74,10 +75,7 @@ void nr_group_sequence_hopping (pucch_GroupHopping_t PUCCH_GroupHopping,
// Corresponds to L1 parameter 'HoppingID' (see 38.211, section 6.3.2.2) BIT STRING (SIZE (10))
//uint16_t n_id = ue->pucch_config_common_nr->hoppingId; // from higher layers FIXME!!!
#ifdef DEBUG_NR_PUCCH_TX
// initialization to be removed
PUCCH_GroupHopping=neither;
n_id=10;
printf("\t\t [nr_group_sequence_hopping] initialization PUCCH_GroupHopping=%u, n_id=%u -> variable initializations TO BE REMOVED\n",PUCCH_GroupHopping,n_id);
printf("\t\t [nr_group_sequence_hopping] PUCCH_GroupHopping=%u, n_id=%u \n",PUCCH_GroupHopping,n_id);
#endif
uint8_t f_ss=0,f_gh=0;
*u=0;
......@@ -156,11 +154,7 @@ double nr_cyclic_shift_hopping(uint32_t n_id,
// alpha_init initialized to 2*PI/12=0.5235987756
double alpha = 0.5235987756;
uint32_t c_init = n_id; // we initialize c_init again to calculate n_cs
#ifdef DEBUG_NR_PUCCH_TX
// initialization to be remo.ved
c_init=10;
printf("\t\t [nr_cyclic_shift_hopping] initialization c_init=%u -> variable initialization TO BE REMOVED\n",c_init);
#endif
uint32_t x1,s = lte_gold_generic(&x1, &c_init, 1); // TS 38.211 Subclause 5.2.1
uint8_t n_cs=0;
int l = 32, minShift = (14*8*nr_tti_tx )+ 8*(lnormal+lprime);
......@@ -188,6 +182,7 @@ double nr_cyclic_shift_hopping(uint32_t n_id,
#endif
return(alpha);
}
void nr_generate_pucch0(PHY_VARS_NR_UE *ue,
int32_t **txdataF,
NR_DL_FRAME_PARMS *frame_parms,
......
openair1/PHY/NR_UE_TRANSPORT/pucch_nr.h
View file @ b2765ac2
......@@ -139,8 +139,8 @@ void nr_generate_pucch3_4(PHY_VARS_NR_UE *ue,
uint8_t occ_index_format4);
// tables for mcs values for different payloads
static const uint8_t table1_mcs[]={0,3,6,9};
static const uint8_t table2_mcs[]={0,1,3,4,6,7,9,10};
static const uint8_t table1_mcs[]={0,6,3,9};
static const uint8_t table2_mcs[]={0,3,9,6,1,4,10,7};
/*
* The following tables implement TS 38.211 Subclause 5.2.2.2 Base sequences of length less than 36 (rows->u {0,1,..,29} / columns->n {0,1,...,M_ZC-1)
......
openair1/SIMULATION/NR_PHY/pucchsim.c
View file @ b2765ac2
......@@ -87,12 +87,13 @@ int main(int argc, char **argv)
uint8_t nacktoack_flag=0;
int16_t amp=0x7FFF;
int nr_tti_tx=0;
uint64_t actual_payload=0,payload_received;//payload bits b7b6...b2b1b0 where b7..b3=0 b2b1=HARQ b0 is SR. payload maximum value is 7 for pucch format 0
uint64_t actual_payload=0,payload_received;
int nr_bit=1; // maximum value possible is 2
uint8_t m0=0;// higher layer paramater initial cyclic shift
uint8_t nrofSymbols=1; //number of OFDM symbols can be 1-2 for format 1
uint8_t startingSymbolIndex=0; // resource allocated see 9.2.1, 38.213 for more info.should be actually present in the resource set provided
uint16_t startingPRB=0,startingPRB_intraSlotHopping=0; //PRB number not sure see 9.2.1, 38.213 for more info. Should be actually present in the resource set provided
uint32_t hoppingId=40;
uint8_t timeDomainOCC=0;
SCM_t channel_model=AWGN;//Rayleigh1_anticorr;
......@@ -114,7 +115,7 @@ int main(int argc, char **argv)
logInit();
set_glog(loglvl);
while ((c = getopt (argc, argv, "f:hA:f:g:i:P:b:T:n:o:s:S:x:y:z:N:F:GR:IL")) != -1) {
while ((c = getopt (argc, argv, "f:hA:f:g:i:I:P:B:b:T:m:n:r:o:s:S:x:y:z:N:F:GR:IL")) != -1) {
switch (c) {
case 'f':
//write_output_file=1;
......@@ -257,12 +258,24 @@ int main(int argc, char **argv)
case 'i':
nrofSymbols=(uint8_t)atoi(optarg);
break;
case 'I':
startingSymbolIndex=(uint8_t)atoi(optarg);
break;
case 'r':
startingPRB=atoi(optarg);
break;
case 'P':
format=atoi(optarg);
break;
case 'm':
m0=atoi(optarg);
break;
case 'b':
nr_bit=atoi(optarg);
break;
case 'B':
actual_payload=atoi(optarg);
break;
case 'T':
nacktoack_flag=(uint8_t)atoi(optarg);
target_error_rate=0.001;
......@@ -292,8 +305,11 @@ int main(int argc, char **argv)
printf("-f Output filename (.txt format) for Pe/SNR results\n");
printf("-F Input filename (.txt format) for RX conformance testing\n");
printf("-i Enter number of ofdm symbols for pucch\n");
printf("-r PUCCCH starting PRB\n");
printf("-P Enter the format of PUCCH\n");
printf("-b number of HARQ bits (1-2)\n");
printf("-B payload to be transmitted on PUCCH\n");
printf("-m initial cyclic shift m0\n");
printf("-T to check nacktoack miss for format 1");
exit (-1);
break;
......@@ -304,6 +320,16 @@ int main(int argc, char **argv)
printf("Initializing gNodeB for mu %d, N_RB_DL %d\n",mu,N_RB_DL);
if((format!=0) && (format!=1)){
printf("PUCCH format %d not supported\n",format);
exit(0);
}
AssertFatal((nr_bit<3)&&(actual_payload<4),"Only format 0 and 1 currently supported. 2 bits max supported");
if (nr_bit==1) actual_payload = actual_payload&1;
printf("Transmitted payload is %ld\n",actual_payload);
RC.gNB = (PHY_VARS_gNB**) malloc(sizeof(PHY_VARS_gNB *));
RC.gNB[0] = malloc(sizeof(PHY_VARS_gNB));
......@@ -398,6 +424,7 @@ int main(int argc, char **argv)
//configure UE
UE = malloc(sizeof(PHY_VARS_NR_UE));
memcpy(&UE->frame_parms,frame_parms,sizeof(NR_DL_FRAME_PARMS));
UE->pucch_config_common_nr->hoppingId = hoppingId;
//phy_init_nr_top(UE); //called from init_nr_ue_signal
UE->perfect_ce = 0;
......@@ -414,35 +441,15 @@ int main(int argc, char **argv)
startingPRB_intraSlotHopping=N_RB_DL-1;
pucch_GroupHopping_t PUCCH_GroupHopping=UE->pucch_config_common_nr->pucch_GroupHopping;
uint32_t n_id=UE->pucch_config_common_nr->hoppingId;
if((format!=0) && (format!=1)){
printf("format not supported\n");
exit(0);
}
if(nacktoack_flag==0){
if(format==0){
if(nr_bit==1){
actual_payload=2;
mcs=table1_mcs[actual_payload];
}
else if(nr_bit==2){
actual_payload=6;
mcs=table2_mcs[actual_payload];
}
else{
printf("Number of HARQ bits possible is 1-2\n");
exit(0);
}
}
else {
// for now we are not considering SR just HARQ-ACK
if(nr_bit==1)
actual_payload=1;
mcs=table1_mcs[actual_payload];
else if(nr_bit==2)
actual_payload=3;
else{
printf("number of bits carried by PUCCH format1 is 1-2\n");
}
}
mcs=table2_mcs[actual_payload];
}
for(SNR=snr0;SNR<=snr1;SNR=SNR+1){
ack_nack_errors=0;
n_errors = 0;
......
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