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Commit 4df26768 authored by HOAI SON DANG's avatar HOAI SON DANG
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openair1/PHY/NR_UE_TRANSPORT/pucch_nr.c
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......@@ -56,7 +56,7 @@ void nr_group_sequence_hopping (//pucch_GroupHopping_t ue->pucch_config_common_n
int nr_tti_tx,
uint8_t *u,
uint8_t *v) {
/*
/*
* Implements TS 38.211 subclause 6.3.2.2.1 Group and sequence hopping
* The following variables are set by higher layers:
* - PUCCH_GroupHopping:
......@@ -75,16 +75,12 @@ void nr_group_sequence_hopping (//pucch_GroupHopping_t ue->pucch_config_common_n
// Cell-Specific scrambling ID for group hoppping and sequence hopping if enabled
// 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
#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=%d, n_id=%d -> variable initializations TO BE REMOVED\n",PUCCH_GroupHopping,n_id);
#endif
#endif
uint8_t f_ss=0,f_gh=0;
*u=0;
*v=0;
......@@ -92,49 +88,53 @@ void nr_group_sequence_hopping (//pucch_GroupHopping_t ue->pucch_config_common_n
uint32_t x1,s = lte_gold_generic(&x1, &c_init, 1); // TS 38.211 Subclause 5.2.1
int l = 32, minShift = ((2*nr_tti_tx+n_hop)<<3);
int tmpShift =0;
#ifdef DEBUG_NR_PUCCH_TX
#ifdef DEBUG_NR_PUCCH_TX
printf("\t\t [nr_group_sequence_hopping] calculating u,v -> ");
#endif
#endif
if (PUCCH_GroupHopping == neither){ // PUCCH_GroupHopping 'neither'
if (PUCCH_GroupHopping == neither) { // PUCCH_GroupHopping 'neither'
f_ss = n_id%30;
}
if (PUCCH_GroupHopping == enable){ // PUCCH_GroupHopping 'enabled'
for (int m=0; m<8; m++){
while(minShift >= l){
if (PUCCH_GroupHopping == enable) { // PUCCH_GroupHopping 'enabled'
for (int m=0; m<8; m++) {
while(minShift >= l) {
s = lte_gold_generic(&x1, &c_init, 0);
l = l+32;
}
tmpShift = (minShift&((1<<5)-1)); //minShift%32;
f_gh = f_gh + ((1<<m)*((uint8_t)((s>>tmpShift)&1)));
minShift ++;
}
f_gh = f_gh%30;
f_ss = n_id%30;
/* for (int m=0; m<8; m++){
/* for (int m=0; m<8; m++){
f_gh = f_gh + ((1<<m)*((uint8_t)((s>>(8*(2*nr_tti_tx+n_hop)+m))&1))); // Not sure we have to use nr_tti_tx FIXME!!!
}
f_gh = f_gh%30;
f_ss = n_id%30;*/
}
if (PUCCH_GroupHopping == disable){ // PUCCH_GroupHopping 'disabled'
if (PUCCH_GroupHopping == disable) { // PUCCH_GroupHopping 'disabled'
f_ss = n_id%30;
l = 32, minShift = (2*nr_tti_tx+n_hop);
while(minShift >= l){
while(minShift >= l) {
s = lte_gold_generic(&x1, &c_init, 0);
l = l+32;
}
tmpShift = (minShift&((1<<5)-1)); //minShift%32;
*v = (uint8_t)((s>>tmpShift)&1);
// *v = (uint8_t)((s>>(2*nr_tti_tx+n_hop))&1); // Not sure we have to use nr_tti_tx FIXME!!!
// *v = (uint8_t)((s>>(2*nr_tti_tx+n_hop))&1); // Not sure we have to use nr_tti_tx FIXME!!!
}
*u = (f_gh+f_ss)%30;
#ifdef DEBUG_NR_PUCCH_TX
#ifdef DEBUG_NR_PUCCH_TX
printf("%d,%d\n",*u,*v);
#endif
#endif
}
double nr_cyclic_shift_hopping(PHY_VARS_NR_UE *ue,
......@@ -143,7 +143,7 @@ double nr_cyclic_shift_hopping(PHY_VARS_NR_UE *ue,
uint8_t lnormal,
uint8_t lprime,
int nr_tti_tx) {
/*
/*
* Implements TS 38.211 subclause 6.3.2.2.2 Cyclic shift hopping
* - n_id: higher-layer parameter hoppingId
* - m0: provided by higher layer parameter PUCCH-F0-F1-initial-cyclic-shift of PUCCH-F0-resource-config
......@@ -154,37 +154,36 @@ double nr_cyclic_shift_hopping(PHY_VARS_NR_UE *ue,
// alpha_init initialized to 2*PI/12=0.5235987756
double alpha = 0.5235987756;
uint32_t c_init = ue->pucch_config_common_nr->hoppingId; // we initialize c_init again to calculate n_cs
#ifdef DEBUG_NR_PUCCH_TX
#ifdef DEBUG_NR_PUCCH_TX
// initialization to be remo.ved
c_init=10;
printf("\t\t [nr_cyclic_shift_hopping] initialization c_init=%d -> variable initialization TO BE REMOVED\n",c_init);
#endif
#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);
int tmpShift =0;
#ifdef DEBUG_NR_PUCCH_TX
printf("\t\t [nr_cyclic_shift_hopping] calculating alpha (cyclic shift) using c_init=%d -> \n",c_init);
#endif
for (int m=0; m<8; m++){
while(minShift >= l){
for (int m=0; m<8; m++) {
while(minShift >= l) {
s = lte_gold_generic(&x1, &c_init, 0);
l = l+32;
}
tmpShift = (minShift&((1<<5)-1)); //minShift%32;
minShift ++;
n_cs = n_cs+((1<<m)*((uint8_t)((s>>tmpShift)&1)));
// calculating n_cs (Not sure we have to use nr_tti_tx FIXME!!!)
// n_cs = n_cs+((1<<m)*((uint8_t)((s>>((14*8*nr_tti_tx) + 8*(lnormal+lprime) + m))&1)));
}
alpha = (alpha * (double)((m0+mcs+n_cs)%12));
#ifdef DEBUG_NR_PUCCH_TX
#ifdef DEBUG_NR_PUCCH_TX
printf("n_cs=%d -> %lf\n",n_cs,alpha);
#endif
#endif
return(alpha);
}
void nr_generate_pucch0(PHY_VARS_NR_UE *ue,
......@@ -198,18 +197,16 @@ void nr_generate_pucch0(PHY_VARS_NR_UE *ue,
uint8_t nrofSymbols,
uint8_t startingSymbolIndex,
uint16_t startingPRB) {
#ifdef DEBUG_NR_PUCCH_TX
#ifdef DEBUG_NR_PUCCH_TX
printf("\t [nr_generate_pucch0] start function at slot(nr_tti_tx)=%d\n",nr_tti_tx);
#endif
#endif
/*
* Implement TS 38.211 Subclause 6.3.2.3.1 Sequence generation
*
*/
#ifdef DEBUG_NR_PUCCH_TX
#ifdef DEBUG_NR_PUCCH_TX
printf("\t [nr_generate_pucch0] sequence generation\n");
#endif
#endif
/*
* Defining cyclic shift hopping TS 38.211 Subclause 6.3.2.2.2
*/
......@@ -221,13 +218,11 @@ void nr_generate_pucch0(PHY_VARS_NR_UE *ue,
//uint8_t lprime;
// mcs is provided by TC 38.213 subclauses 9.2.3, 9.2.4, 9.2.5 FIXME!
//uint8_t mcs;
/*
* in TS 38.213 Subclause 9.2.1 it is said that:
* for PUCCH format 0 or PUCCH format 1, the index of the cyclic shift
* is indicated by higher layer parameter PUCCH-F0-F1-initial-cyclic-shift
*/
/*
* Implementing TS 38.211 Subclause 6.3.2.3.1, the sequence x(n) shall be generated according to:
* x(l*12+n) = r_u_v_alpha_delta(n)
......@@ -241,70 +236,78 @@ void nr_generate_pucch0(PHY_VARS_NR_UE *ue,
// n_hop = 1 for second hop
uint8_t n_hop = 0;
//uint8_t PUCCH_Frequency_Hopping; // from higher layers FIXME!!
#ifdef DEBUG_NR_PUCCH_TX
printf("\t [nr_generate_pucch0] sequence generation: variable initialization for test\n");
#endif
// x_n contains the sequence r_u_v_alpha_delta(n)
int16_t x_n_re[24],x_n_im[24];
// we proceed to calculate alpha according to TS 38.211 Subclause 6.3.2.2.2
for (int l=0; l<nrofSymbols; l++){
for (int l=0; l<nrofSymbols; l++) {
// if frequency hopping is enabled n_hop = 1 for second hop. Not sure frequency hopping concerns format 0. FIXME!!!
// if ((PUCCH_Frequency_Hopping == 1)&&(l == (nrofSymbols-1))) n_hop = 1;
nr_group_sequence_hopping(ue,n_hop,nr_tti_tx,&u,&v); // calculating u and v value
alpha = nr_cyclic_shift_hopping(ue,m0,mcs,l,startingSymbolIndex,nr_tti_tx);
#ifdef DEBUG_NR_PUCCH_TX
#ifdef DEBUG_NR_PUCCH_TX
printf("\t [nr_generate_pucch0] sequence generation \tu=%d \tv=%d \talpha=%lf \t(for symbol l=%d)\n",u,v,alpha,l);
#endif
for (int n=0; n<12; n++){
#endif
for (int n=0; n<12; n++) {
x_n_re[(12*l)+n] = (int16_t)(((((int32_t)(round(32767*cos(alpha*n))) * table_5_2_2_2_2_Re[u][n])>>15)
- (((int32_t)(round(32767*sin(alpha*n))) * table_5_2_2_2_2_Im[u][n])>>15))); // Re part of base sequence shifted by alpha
x_n_im[(12*l)+n] = (int16_t)(((((int32_t)(round(32767*cos(alpha*n))) * table_5_2_2_2_2_Im[u][n])>>15)
+ (((int32_t)(round(32767*sin(alpha*n))) * table_5_2_2_2_2_Re[u][n])>>15))); // Im part of base sequence shifted by alpha
#ifdef DEBUG_NR_PUCCH_TX
#ifdef DEBUG_NR_PUCCH_TX
printf("\t [nr_generate_pucch0] sequence generation \tu=%d \tv=%d \talpha=%lf \tx_n(l=%d,n=%d)=(%d,%d)\n",
u,v,alpha,l,n,x_n_re[(12*l)+n],x_n_im[(12*l)+n]);
#endif
#endif
}
}
/*
* Implementing TS 38.211 Subclause 6.3.2.3.2 Mapping to physical resources FIXME!
*/
//int32_t *txptr;
uint32_t re_offset=0;
for (int l=0; l<nrofSymbols; l++) {
if ((startingPRB < (frame_parms->N_RB_DL>>1)) && ((frame_parms->N_RB_DL & 1) == 0)) { // if number RBs in bandwidth is even and current PRB is lower band
re_offset = ((l+startingSymbolIndex)*frame_parms->ofdm_symbol_size) + (12*startingPRB) + frame_parms->first_carrier_offset;
}
if ((startingPRB >= (frame_parms->N_RB_DL>>1)) && ((frame_parms->N_RB_DL & 1) == 0)) { // if number RBs in bandwidth is even and current PRB is upper band
re_offset = ((l+startingSymbolIndex)*frame_parms->ofdm_symbol_size) + (12*(startingPRB-(frame_parms->N_RB_DL>>1)));
}
if ((startingPRB < (frame_parms->N_RB_DL>>1)) && ((frame_parms->N_RB_DL & 1) == 1)) { // if number RBs in bandwidth is odd and current PRB is lower band
re_offset = ((l+startingSymbolIndex)*frame_parms->ofdm_symbol_size) + (12*startingPRB) + frame_parms->first_carrier_offset;
}
if ((startingPRB > (frame_parms->N_RB_DL>>1)) && ((frame_parms->N_RB_DL & 1) == 1)) { // if number RBs in bandwidth is odd and current PRB is upper band
re_offset = ((l+startingSymbolIndex)*frame_parms->ofdm_symbol_size) + (12*(startingPRB-(frame_parms->N_RB_DL>>1))) + 6;
}
if ((startingPRB == (frame_parms->N_RB_DL>>1)) && ((frame_parms->N_RB_DL & 1) == 1)) { // if number RBs in bandwidth is odd and current PRB contains DC
re_offset = ((l+startingSymbolIndex)*frame_parms->ofdm_symbol_size) + (12*startingPRB) + frame_parms->first_carrier_offset;
}
//txptr = &txdataF[0][re_offset];
for (int n=0; n<12; n++){
for (int n=0; n<12; n++) {
if ((n==6) && (startingPRB == (frame_parms->N_RB_DL>>1)) && ((frame_parms->N_RB_DL & 1) == 1)) {
// if number RBs in bandwidth is odd and current PRB contains DC, we need to recalculate the offset when n=6 (for second half PRB)
re_offset = ((l+startingSymbolIndex)*frame_parms->ofdm_symbol_size);
}
((int16_t *)&txdataF[0][re_offset])[0] = (int16_t)(((int32_t)(amp) * x_n_re[(12*l)+n])>>15);
((int16_t *)&txdataF[0][re_offset])[1] = (int16_t)(((int32_t)(amp) * x_n_im[(12*l)+n])>>15);
//((int16_t *)txptr[0][re_offset])[0] = (int16_t)((int32_t)amp * x_n_re[(12*l)+n])>>15;
//((int16_t *)txptr[0][re_offset])[1] = (int16_t)((int32_t)amp * x_n_im[(12*l)+n])>>15;
//txptr[re_offset] = (x_n_re[(12*l)+n]<<16) + x_n_im[(12*l)+n];
#ifdef DEBUG_NR_PUCCH_TX
#ifdef DEBUG_NR_PUCCH_TX
printf("\t [nr_generate_pucch0] mapping to RE \t amp=%d \tofdm_symbol_size=%d \tN_RB_DL=%d \tfirst_carrier_offset=%d \ttxptr(%d)=(x_n(l=%d,n=%d)=(%d,%d))\n",
amp,frame_parms->ofdm_symbol_size,frame_parms->N_RB_DL,frame_parms->first_carrier_offset,re_offset,
l,n,((int16_t *)&txdataF[0][re_offset])[0],((int16_t *)&txdataF[0][re_offset])[1]);
#endif
#endif
re_offset++;
}
}
......@@ -328,39 +331,43 @@ void nr_generate_pucch1(PHY_VARS_NR_UE *ue,
printf("\t [nr_generate_pucch1] start function at slot(nr_tti_tx)=%d payload=%d m0=%d nrofSymbols=%d startingSymbolIndex=%d startingPRB=%d startingPRB_intraSlotHopping=%d timeDomainOCC=%d nr_bit=%d\n",
nr_tti_tx,payload,m0,nrofSymbols,startingSymbolIndex,startingPRB,startingPRB_intraSlotHopping,timeDomainOCC,nr_bit);
#endif
/*
* Implement TS 38.211 Subclause 6.3.2.4.1 Sequence modulation
*
*/
// complex-valued symbol d_re, d_im containing complex-valued symbol d(0):
int16_t d_re=0, d_im=0;
if (nr_bit == 1) { // using BPSK if M_bit=1 according to TC 38.211 Subclause 5.1.2
d_re = (payload&1)==0 ? (int16_t)(((int32_t)amp*ONE_OVER_SQRT2)>>15) : -(int16_t)(((int32_t)amp*ONE_OVER_SQRT2)>>15);
d_im = (payload&1)==0 ? (int16_t)(((int32_t)amp*ONE_OVER_SQRT2)>>15) : -(int16_t)(((int32_t)amp*ONE_OVER_SQRT2)>>15);
}
if (nr_bit == 2) { // using QPSK if M_bit=2 according to TC 38.211 Subclause 5.1.2
if (((payload&1)==0) && (((payload>>1)&1)==0)) {
d_re = (int16_t)(((int32_t)amp*ONE_OVER_SQRT2)>>15); // 32767/sqrt(2) = 23170 (ONE_OVER_SQRT2)
d_im = (int16_t)(((int32_t)amp*ONE_OVER_SQRT2)>>15);
}
if (((payload&1)==0) && (((payload>>1)&1)==1)) {
d_re = (int16_t)(((int32_t)amp*ONE_OVER_SQRT2)>>15);
d_im = -(int16_t)(((int32_t)amp*ONE_OVER_SQRT2)>>15);
}
if (((payload&1)==1) && (((payload>>1)&1)==0)) {
d_re = -(int16_t)(((int32_t)amp*ONE_OVER_SQRT2)>>15);
d_im = (int16_t)(((int32_t)amp*ONE_OVER_SQRT2)>>15);
}
if (((payload&1)==1) && (((payload>>1)&1)==1)) {
d_re = -(int16_t)(((int32_t)amp*ONE_OVER_SQRT2)>>15);
d_im = -(int16_t)(((int32_t)amp*ONE_OVER_SQRT2)>>15);
}
}
#ifdef DEBUG_NR_PUCCH_TX
printf("\t [nr_generate_pucch1] sequence modulation: payload=%x \tde_re=%d \tde_im=%d\n",payload,d_re,d_im);
#endif
#ifdef DEBUG_NR_PUCCH_TX
printf("\t [nr_generate_pucch1] sequence modulation: payload=%x \tde_re=%d \tde_im=%d\n",payload,d_re,d_im);
#endif
/*
* Defining cyclic shift hopping TS 38.211 Subclause 6.3.2.2.2
*/
......@@ -380,7 +387,6 @@ void nr_generate_pucch1(PHY_VARS_NR_UE *ue,
* for PUCCH format 0 or PUCCH format 1, the index of the cyclic shift
* is indicated by higher layer parameter PUCCH-F0-F1-initial-cyclic-shift
*/
/*
* the complex-valued symbol d_0 shall be multiplied with a sequence r_u_v_alpha_delta(n): y(n) = d_0 * r_u_v_alpha_delta(n)
*/
......@@ -397,37 +403,42 @@ void nr_generate_pucch1(PHY_VARS_NR_UE *ue,
// otherwise no intra-slot frequency hopping shall be assumed
//uint8_t PUCCH_Frequency_Hopping = 0 ; // from higher layers
uint8_t intraSlotFrequencyHopping = 0;
if (startingPRB != startingPRB_intraSlotHopping){
if (startingPRB != startingPRB_intraSlotHopping) {
intraSlotFrequencyHopping=1;
}
#ifdef DEBUG_NR_PUCCH_TX
printf("\t [nr_generate_pucch1] intraSlotFrequencyHopping = %d \n",intraSlotFrequencyHopping);
#endif
/*
/*
* Implementing TS 38.211 Subclause 6.3.2.4.2 Mapping to physical resources
*/
//int32_t *txptr;
uint32_t re_offset=0;
int i=0;
#define MAX_SIZE_Z 168 // this value has to be calculated from mprime*12*table_6_3_2_4_1_1_N_SF_mprime_PUCCH_1_noHop[pucch_symbol_length]+m*12+n
#define MAX_SIZE_Z 168 // this value has to be calculated from mprime*12*table_6_3_2_4_1_1_N_SF_mprime_PUCCH_1_noHop[pucch_symbol_length]+m*12+n
int16_t z_re[MAX_SIZE_Z],z_im[MAX_SIZE_Z];
int16_t z_dmrs_re[MAX_SIZE_Z],z_dmrs_im[MAX_SIZE_Z];
for (int l=0; l<nrofSymbols; l++) {
#ifdef DEBUG_NR_PUCCH_TX
#ifdef DEBUG_NR_PUCCH_TX
printf("\t [nr_generate_pucch1] for symbol l=%d, lprime=%d\n",
l,lprime);
#endif
#endif
// y_n contains the complex value d multiplied by the sequence r_u_v
int16_t y_n_re[12],y_n_im[12];
if ((intraSlotFrequencyHopping == 1) && (l >= (int)floor(nrofSymbols/2))) n_hop = 1; // n_hop = 1 for second hop
#ifdef DEBUG_NR_PUCCH_TX
#ifdef DEBUG_NR_PUCCH_TX
printf("\t [nr_generate_pucch1] entering function nr_group_sequence_hopping with n_hop=%d, nr_tti_tx=%d\n",
n_hop,nr_tti_tx);
#endif
#endif
nr_group_sequence_hopping(ue,n_hop,nr_tti_tx,&u,&v); // calculating u and v value
alpha = nr_cyclic_shift_hopping(ue,m0,mcs,l,lprime,nr_tti_tx);
for (int n=0; n<12; n++){
for (int n=0; n<12; n++) {
r_u_v_alpha_delta_re[n] = (int16_t)(((((int32_t)(round(32767*cos(alpha*n))) * table_5_2_2_2_2_Re[u][n])>>15)
- (((int32_t)(round(32767*sin(alpha*n))) * table_5_2_2_2_2_Im[u][n])>>15))); // Re part of base sequence shifted by alpha
r_u_v_alpha_delta_im[n] = (int16_t)(((((int32_t)(round(32767*cos(alpha*n))) * table_5_2_2_2_2_Im[u][n])>>15)
......@@ -443,11 +454,12 @@ void nr_generate_pucch1(PHY_VARS_NR_UE *ue,
- (((int32_t)(r_u_v_alpha_delta_im[n])*d_im)>>15))); // Re part of y(n)
y_n_im[n] = (int16_t)(((((int32_t)(r_u_v_alpha_delta_re[n])*d_im)>>15)
+ (((int32_t)(r_u_v_alpha_delta_im[n])*d_re)>>15))); // Im part of y(n)
#ifdef DEBUG_NR_PUCCH_TX
#ifdef DEBUG_NR_PUCCH_TX
printf("\t [nr_generate_pucch1] sequence generation \tu=%d \tv=%d \talpha=%lf \tr_u_v_alpha_delta[n=%d]=(%d,%d) \ty_n[n=%d]=(%d,%d)\n",
u,v,alpha,n,r_u_v_alpha_delta_re[n],r_u_v_alpha_delta_im[n],n,y_n_re[n],y_n_im[n]);
#endif
#endif
}
/*
* The block of complex-valued symbols y(n) shall be block-wise spread with the orthogonal sequence wi(m)
* (defined in table_6_3_2_4_1_2_Wi_Re and table_6_3_2_4_1_2_Wi_Im)
......@@ -473,67 +485,72 @@ void nr_generate_pucch1(PHY_VARS_NR_UE *ue,
uint8_t N_SF_mprime0_PUCCH_DMRS_1;
// mprime is 0 if no intra-slot hopping / mprime is {0,1} if intra-slot hopping
uint8_t mprime = 0;
if (intraSlotFrequencyHopping == 0) { // intra-slot hopping disabled
#ifdef DEBUG_NR_PUCCH_TX
#ifdef DEBUG_NR_PUCCH_TX
printf("\t [nr_generate_pucch1] block-wise spread with the orthogonal sequence wi(m) if intraSlotFrequencyHopping = %d, intra-slot hopping disabled\n",
intraSlotFrequencyHopping);
#endif
#endif
N_SF_mprime_PUCCH_1 = table_6_3_2_4_1_1_N_SF_mprime_PUCCH_1_noHop[nrofSymbols-1]; // only if intra-slot hopping not enabled (PUCCH)
N_SF_mprime_PUCCH_DMRS_1 = table_6_4_1_3_1_1_1_N_SF_mprime_PUCCH_1_noHop[nrofSymbols-1]; // only if intra-slot hopping not enabled (DM-RS)
N_SF_mprime0_PUCCH_1 = table_6_3_2_4_1_1_N_SF_mprime_PUCCH_1_noHop[nrofSymbols-1]; // only if intra-slot hopping not enabled mprime = 0 (PUCCH)
N_SF_mprime0_PUCCH_DMRS_1 = table_6_4_1_3_1_1_1_N_SF_mprime_PUCCH_1_noHop[nrofSymbols-1]; // only if intra-slot hopping not enabled mprime = 0 (DM-RS)
#ifdef DEBUG_NR_PUCCH_TX
#ifdef DEBUG_NR_PUCCH_TX
printf("\t [nr_generate_pucch1] w_index = %d, N_SF_mprime_PUCCH_1 = %d, N_SF_mprime_PUCCH_DMRS_1 = %d, N_SF_mprime0_PUCCH_1 = %d, N_SF_mprime0_PUCCH_DMRS_1 = %d\n",
w_index, N_SF_mprime_PUCCH_1,N_SF_mprime_PUCCH_DMRS_1,N_SF_mprime0_PUCCH_1,N_SF_mprime0_PUCCH_DMRS_1);
#endif
for (int m=0; m < N_SF_mprime_PUCCH_1; m++){
for (int n=0; n<12 ; n++){
#endif
for (int m=0; m < N_SF_mprime_PUCCH_1; m++) {
for (int n=0; n<12 ; n++) {
z_re[(mprime*12*N_SF_mprime0_PUCCH_1)+(m*12)+n] = (int16_t)((((int32_t)(table_6_3_2_4_1_2_Wi_Re[N_SF_mprime_PUCCH_1][w_index][m])*y_n_re[n])>>15)
- (((int32_t)(table_6_3_2_4_1_2_Wi_Im[N_SF_mprime_PUCCH_1][w_index][m])*y_n_im[n])>>15));
z_im[(mprime*12*N_SF_mprime0_PUCCH_1)+(m*12)+n] = (int16_t)((((int32_t)(table_6_3_2_4_1_2_Wi_Re[N_SF_mprime_PUCCH_1][w_index][m])*y_n_im[n])>>15)
+ (((int32_t)(table_6_3_2_4_1_2_Wi_Im[N_SF_mprime_PUCCH_1][w_index][m])*y_n_re[n])>>15));
#ifdef DEBUG_NR_PUCCH_TX
#ifdef DEBUG_NR_PUCCH_TX
printf("\t [nr_generate_pucch1] block-wise spread with wi(m) (mprime=%d, m=%d, n=%d) z[%d] = ((%d * %d - %d * %d), (%d * %d + %d * %d)) = (%d,%d)\n",
mprime, m, n, (mprime*12*N_SF_mprime0_PUCCH_1)+(m*12)+n,
table_6_3_2_4_1_2_Wi_Re[N_SF_mprime_PUCCH_1][w_index][m],y_n_re[n],table_6_3_2_4_1_2_Wi_Im[N_SF_mprime_PUCCH_1][w_index][m],y_n_im[n],
table_6_3_2_4_1_2_Wi_Re[N_SF_mprime_PUCCH_1][w_index][m],y_n_im[n],table_6_3_2_4_1_2_Wi_Im[N_SF_mprime_PUCCH_1][w_index][m],y_n_re[n],
z_re[(mprime*12*N_SF_mprime0_PUCCH_1)+(m*12)+n],z_im[(mprime*12*N_SF_mprime0_PUCCH_1)+(m*12)+n]);
#endif
#endif
}
}
for (int m=0; m < N_SF_mprime_PUCCH_DMRS_1; m++){
for (int n=0; n<12 ; n++){
for (int m=0; m < N_SF_mprime_PUCCH_DMRS_1; m++) {
for (int n=0; n<12 ; n++) {
z_dmrs_re[(mprime*12*N_SF_mprime0_PUCCH_DMRS_1)+(m*12)+n] = (int16_t)((((int32_t)(table_6_3_2_4_1_2_Wi_Re[N_SF_mprime_PUCCH_1][w_index][m])*r_u_v_alpha_delta_dmrs_re[n])>>15)
- (((int32_t)(table_6_3_2_4_1_2_Wi_Im[N_SF_mprime_PUCCH_1][w_index][m])*r_u_v_alpha_delta_dmrs_im[n])>>15));
z_dmrs_im[(mprime*12*N_SF_mprime0_PUCCH_DMRS_1)+(m*12)+n] = (int16_t)((((int32_t)(table_6_3_2_4_1_2_Wi_Re[N_SF_mprime_PUCCH_1][w_index][m])*r_u_v_alpha_delta_dmrs_im[n])>>15)
+ (((int32_t)(table_6_3_2_4_1_2_Wi_Im[N_SF_mprime_PUCCH_1][w_index][m])*r_u_v_alpha_delta_dmrs_re[n])>>15));
#ifdef DEBUG_NR_PUCCH_TX
#ifdef DEBUG_NR_PUCCH_TX
printf("\t [nr_generate_pucch1] block-wise spread with wi(m) (mprime=%d, m=%d, n=%d) z[%d] = ((%d * %d - %d * %d), (%d * %d + %d * %d)) = (%d,%d)\n",
mprime, m, n, (mprime*12*N_SF_mprime0_PUCCH_1)+(m*12)+n,
table_6_3_2_4_1_2_Wi_Re[N_SF_mprime_PUCCH_1][w_index][m],r_u_v_alpha_delta_dmrs_re[n],table_6_3_2_4_1_2_Wi_Im[N_SF_mprime_PUCCH_1][w_index][m],r_u_v_alpha_delta_dmrs_im[n],
table_6_3_2_4_1_2_Wi_Re[N_SF_mprime_PUCCH_1][w_index][m],r_u_v_alpha_delta_dmrs_im[n],table_6_3_2_4_1_2_Wi_Im[N_SF_mprime_PUCCH_1][w_index][m],r_u_v_alpha_delta_dmrs_re[n],
z_dmrs_re[(mprime*12*N_SF_mprime0_PUCCH_1)+(m*12)+n],z_dmrs_im[(mprime*12*N_SF_mprime0_PUCCH_1)+(m*12)+n]);
#endif
#endif
}
}
}
if (intraSlotFrequencyHopping == 1) { // intra-slot hopping enabled
#ifdef DEBUG_NR_PUCCH_TX
#ifdef DEBUG_NR_PUCCH_TX
printf("\t [nr_generate_pucch1] block-wise spread with the orthogonal sequence wi(m) if intraSlotFrequencyHopping = %d, intra-slot hopping enabled\n",
intraSlotFrequencyHopping);
#endif
#endif
N_SF_mprime_PUCCH_1 = table_6_3_2_4_1_1_N_SF_mprime_PUCCH_1_m0Hop[nrofSymbols-1]; // only if intra-slot hopping enabled mprime = 0 (PUCCH)
N_SF_mprime_PUCCH_DMRS_1 = table_6_4_1_3_1_1_1_N_SF_mprime_PUCCH_1_m0Hop[nrofSymbols-1]; // only if intra-slot hopping enabled mprime = 0 (DM-RS)
N_SF_mprime0_PUCCH_1 = table_6_3_2_4_1_1_N_SF_mprime_PUCCH_1_m0Hop[nrofSymbols-1]; // only if intra-slot hopping enabled mprime = 0 (PUCCH)
N_SF_mprime0_PUCCH_DMRS_1 = table_6_4_1_3_1_1_1_N_SF_mprime_PUCCH_1_m0Hop[nrofSymbols-1]; // only if intra-slot hopping enabled mprime = 0 (DM-RS)
#ifdef DEBUG_NR_PUCCH_TX
#ifdef DEBUG_NR_PUCCH_TX
printf("\t [nr_generate_pucch1] w_index = %d, N_SF_mprime_PUCCH_1 = %d, N_SF_mprime_PUCCH_DMRS_1 = %d, N_SF_mprime0_PUCCH_1 = %d, N_SF_mprime0_PUCCH_DMRS_1 = %d\n",
w_index, N_SF_mprime_PUCCH_1,N_SF_mprime_PUCCH_DMRS_1,N_SF_mprime0_PUCCH_1,N_SF_mprime0_PUCCH_DMRS_1);
#endif
for (int m=0; m < N_SF_mprime_PUCCH_1; m++){
for (mprime = 0; mprime<2; mprime++){ // mprime can get values {0,1}
for (int m=0; m < N_SF_mprime_PUCCH_1; m++){
for (int n=0; n<12 ; n++){
#endif
for (int m=0; m < N_SF_mprime_PUCCH_1; m++) {
for (mprime = 0; mprime<2; mprime++) { // mprime can get values {0,1}
for (int m=0; m < N_SF_mprime_PUCCH_1; m++) {
for (int n=0; n<12 ; n++) {
z_re[(mprime*12*N_SF_mprime0_PUCCH_1)+(m*12)+n] = (int16_t)((((int32_t)(table_6_3_2_4_1_2_Wi_Re[N_SF_mprime_PUCCH_1][w_index][m])*y_n_re[n])>>15)
- (((int32_t)(table_6_3_2_4_1_2_Wi_Im[N_SF_mprime_PUCCH_1][w_index][m])*y_n_im[n])>>15));
z_im[(mprime*12*N_SF_mprime0_PUCCH_1)+(m*12)+n] = (int16_t)((((int32_t)(table_6_3_2_4_1_2_Wi_Re[N_SF_mprime_PUCCH_1][w_index][m])*y_n_im[n])>>15)
......@@ -547,8 +564,9 @@ void nr_generate_pucch1(PHY_VARS_NR_UE *ue,
#endif
}
}
for (int m=0; m < N_SF_mprime_PUCCH_DMRS_1; m++){
for (int n=0; n<12 ; n++){
for (int m=0; m < N_SF_mprime_PUCCH_DMRS_1; m++) {
for (int n=0; n<12 ; n++) {
z_dmrs_re[(mprime*12*N_SF_mprime0_PUCCH_DMRS_1)+(m*12)+n] = (int16_t)((((int32_t)(table_6_3_2_4_1_2_Wi_Re[N_SF_mprime_PUCCH_1][w_index][m])*r_u_v_alpha_delta_dmrs_re[n])>>15)
- (((int32_t)(table_6_3_2_4_1_2_Wi_Im[N_SF_mprime_PUCCH_1][w_index][m])*r_u_v_alpha_delta_dmrs_im[n])>>15));
z_dmrs_im[(mprime*12*N_SF_mprime0_PUCCH_DMRS_1)+(m*12)+n] = (int16_t)((((int32_t)(table_6_3_2_4_1_2_Wi_Re[N_SF_mprime_PUCCH_1][w_index][m])*r_u_v_alpha_delta_dmrs_im[n])>>15)
......@@ -562,57 +580,67 @@ void nr_generate_pucch1(PHY_VARS_NR_UE *ue,
#endif
}
}
N_SF_mprime_PUCCH_1 = table_6_3_2_4_1_1_N_SF_mprime_PUCCH_1_m1Hop[nrofSymbols-1]; // only if intra-slot hopping enabled mprime = 1 (PUCCH)
N_SF_mprime_PUCCH_DMRS_1 = table_6_4_1_3_1_1_1_N_SF_mprime_PUCCH_1_m1Hop[nrofSymbols-1]; // only if intra-slot hopping enabled mprime = 1 (DM-RS)
}
}
}
if ((intraSlotFrequencyHopping == 1) && (l<floor(nrofSymbols/2))) { // intra-slot hopping enabled, we need to calculate new offset PRB
startingPRB = startingPRB + startingPRB_intraSlotHopping;
}
if ((startingPRB < (frame_parms->N_RB_DL>>1)) && ((frame_parms->N_RB_DL & 1) == 0)) { // if number RBs in bandwidth is even and current PRB is lower band
re_offset = ((l+startingSymbolIndex)*frame_parms->ofdm_symbol_size) + (12*startingPRB) + frame_parms->first_carrier_offset;
}
if ((startingPRB >= (frame_parms->N_RB_DL>>1)) && ((frame_parms->N_RB_DL & 1) == 0)) { // if number RBs in bandwidth is even and current PRB is upper band
re_offset = ((l+startingSymbolIndex)*frame_parms->ofdm_symbol_size) + (12*(startingPRB-(frame_parms->N_RB_DL>>1)));
}
if ((startingPRB < (frame_parms->N_RB_DL>>1)) && ((frame_parms->N_RB_DL & 1) == 1)) { // if number RBs in bandwidth is odd and current PRB is lower band
re_offset = ((l+startingSymbolIndex)*frame_parms->ofdm_symbol_size) + (12*startingPRB) + frame_parms->first_carrier_offset;
}
if ((startingPRB > (frame_parms->N_RB_DL>>1)) && ((frame_parms->N_RB_DL & 1) == 1)) { // if number RBs in bandwidth is odd and current PRB is upper band
re_offset = ((l+startingSymbolIndex)*frame_parms->ofdm_symbol_size) + (12*(startingPRB-(frame_parms->N_RB_DL>>1))) + 6;
}
if ((startingPRB == (frame_parms->N_RB_DL>>1)) && ((frame_parms->N_RB_DL & 1) == 1)) { // if number RBs in bandwidth is odd and current PRB contains DC
re_offset = ((l+startingSymbolIndex)*frame_parms->ofdm_symbol_size) + (12*startingPRB) + frame_parms->first_carrier_offset;
}
//txptr = &txdataF[0][re_offset];
for (int n=0; n<12; n++){
for (int n=0; n<12; n++) {
if ((n==6) && (startingPRB == (frame_parms->N_RB_DL>>1)) && ((frame_parms->N_RB_DL & 1) == 1)) {
// if number RBs in bandwidth is odd and current PRB contains DC, we need to recalculate the offset when n=6 (for second half PRB)
re_offset = ((l+startingSymbolIndex)*frame_parms->ofdm_symbol_size);
}
if (l%2 == 1) { // mapping PUCCH according to TS38.211 subclause 6.4.1.3.1
((int16_t *)&txdataF[0][re_offset])[0] = z_re[i+n];
((int16_t *)&txdataF[0][re_offset])[1] = z_im[i+n];
#ifdef DEBUG_NR_PUCCH_TX
#ifdef DEBUG_NR_PUCCH_TX
printf("\t [nr_generate_pucch1] mapping PUCCH to RE \t amp=%d \tofdm_symbol_size=%d \tN_RB_DL=%d \tfirst_carrier_offset=%d \tz_pucch[%d]=txptr(%d)=(x_n(l=%d,n=%d)=(%d,%d))\n",
amp,frame_parms->ofdm_symbol_size,frame_parms->N_RB_DL,frame_parms->first_carrier_offset,i+n,re_offset,
l,n,((int16_t *)&txdataF[0][re_offset])[0],((int16_t *)&txdataF[0][re_offset])[1]);
#endif
#endif
}
if (l%2 == 0) { // mapping DM-RS signal according to TS38.211 subclause 6.4.1.3.1
((int16_t *)&txdataF[0][re_offset])[0] = z_dmrs_re[i+n];
((int16_t *)&txdataF[0][re_offset])[1] = z_dmrs_im[i+n];
#ifdef DEBUG_NR_PUCCH_TX
#ifdef DEBUG_NR_PUCCH_TX
printf("\t [nr_generate_pucch1] mapping DM-RS to RE \t amp=%d \tofdm_symbol_size=%d \tN_RB_DL=%d \tfirst_carrier_offset=%d \tz_dm-rs[%d]=txptr(%d)=(x_n(l=%d,n=%d)=(%d,%d))\n",
amp,frame_parms->ofdm_symbol_size,frame_parms->N_RB_DL,frame_parms->first_carrier_offset,i+n,re_offset,
l,n,((int16_t *)&txdataF[0][re_offset])[0],((int16_t *)&txdataF[0][re_offset])[1]);
#endif
#endif
}
re_offset++;
}
if (l%2 == 1) i+=12;
}
}
......@@ -636,39 +664,43 @@ void nr_generate_pucch1_old(PHY_VARS_NR_UE *ue,
printf("\t [nr_generate_pucch1] start function at slot(nr_tti_tx)=%d payload=%d m0=%d nrofSymbols=%d startingSymbolIndex=%d startingPRB=%d startingPRB_intraSlotHopping=%d timeDomainOCC=%d nr_bit=%d\n",
nr_tti_tx,payload,m0,nrofSymbols,startingSymbolIndex,startingPRB,startingPRB_intraSlotHopping,timeDomainOCC,nr_bit);
#endif
/*
* Implement TS 38.211 Subclause 6.3.2.4.1 Sequence modulation
*
*/
// complex-valued symbol d_re, d_im containing complex-valued symbol d(0):
int16_t d_re, d_im;
if (nr_bit == 1) { // using BPSK if M_bit=1 according to TC 38.211 Subclause 5.1.2
d_re = (payload&1)==0 ? (int16_t)(((int32_t)amp*ONE_OVER_SQRT2)>>15) : -(int16_t)(((int32_t)amp*ONE_OVER_SQRT2)>>15);
d_im = (payload&1)==0 ? (int16_t)(((int32_t)amp*ONE_OVER_SQRT2)>>15) : -(int16_t)(((int32_t)amp*ONE_OVER_SQRT2)>>15);
}
if (nr_bit == 2) { // using QPSK if M_bit=2 according to TC 38.211 Subclause 5.1.2
if (((payload&1)==0) && (((payload>>1)&1)==0)) {
d_re = (int16_t)(((int32_t)amp*ONE_OVER_SQRT2)>>15); // 32767/sqrt(2) = 23170 (ONE_OVER_SQRT2)
d_im = (int16_t)(((int32_t)amp*ONE_OVER_SQRT2)>>15);
}
if (((payload&1)==0) && (((payload>>1)&1)==1)) {
d_re = (int16_t)(((int32_t)amp*ONE_OVER_SQRT2)>>15);
d_im = -(int16_t)(((int32_t)amp*ONE_OVER_SQRT2)>>15);
}
if (((payload&1)==1) && (((payload>>1)&1)==0)) {
d_re = -(int16_t)(((int32_t)amp*ONE_OVER_SQRT2)>>15);
d_im = (int16_t)(((int32_t)amp*ONE_OVER_SQRT2)>>15);
}
if (((payload&1)==1) && (((payload>>1)&1)==1)) {
d_re = -(int16_t)(((int32_t)amp*ONE_OVER_SQRT2)>>15);
d_im = -(int16_t)(((int32_t)amp*ONE_OVER_SQRT2)>>15);
}
}
#ifdef DEBUG_NR_PUCCH_TX
printf("\t [nr_generate_pucch1] sequence modulation: payload=%x \tde_re=%d \tde_im=%d\n",payload,d_re,d_im);
#endif
#ifdef DEBUG_NR_PUCCH_TX
printf("\t [nr_generate_pucch1] sequence modulation: payload=%x \tde_re=%d \tde_im=%d\n",payload,d_re,d_im);
#endif
/*
* Defining cyclic shift hopping TS 38.211 Subclause 6.3.2.2.2
*/
......@@ -688,7 +720,6 @@ void nr_generate_pucch1_old(PHY_VARS_NR_UE *ue,
* for PUCCH format 0 or PUCCH format 1, the index of the cyclic shift
* is indicated by higher layer parameter PUCCH-F0-F1-initial-cyclic-shift
*/
/*
* the complex-valued symbol d_0 shall be multiplied with a sequence r_u_v_alpha_delta(n): y(n) = d_0 * r_u_v_alpha_delta(n)
*/
......@@ -705,11 +736,12 @@ void nr_generate_pucch1_old(PHY_VARS_NR_UE *ue,
// otherwise no intra-slot frequency hopping shall be assumed
//uint8_t PUCCH_Frequency_Hopping = 0 ; // from higher layers
uint8_t intraSlotFrequencyHopping = 0;
if (startingPRB != startingPRB_intraSlotHopping){
if (startingPRB != startingPRB_intraSlotHopping) {
intraSlotFrequencyHopping=1;
#ifdef DEBUG_NR_PUCCH_TX
#ifdef DEBUG_NR_PUCCH_TX
printf("\t [nr_generate_pucch1] intraSlotFrequencyHopping=%d \n",intraSlotFrequencyHopping);
#endif
#endif
// n_hop = 1 for second hop;
// FIXME
// When hopping will be activated we have to implement this function differently as PUCH signal generation depends on n_hop value for u,v calculation
......@@ -717,13 +749,14 @@ void nr_generate_pucch1_old(PHY_VARS_NR_UE *ue,
// y_n contains the complex value d multiplied by the sequence r_u_v
int16_t y_n_re[12],y_n_im[12];
#ifdef DEBUG_NR_PUCCH_TX
#ifdef DEBUG_NR_PUCCH_TX
printf("\t [nr_generate_pucch1] entering function nr_group_sequence_hopping with n_hop=%d, nr_tti_tx=%d\n",
n_hop,nr_tti_tx);
#endif
#endif
nr_group_sequence_hopping(ue,n_hop,nr_tti_tx,&u,&v); // calculating u and v value
alpha = nr_cyclic_shift_hopping(ue,m0,mcs,lnormal,lprime,nr_tti_tx);
for (int n=0; n<12; n++){
for (int n=0; n<12; n++) {
r_u_v_alpha_delta_re[n] = (int16_t)(((((int32_t)(round(32767*cos(alpha*n))) * table_5_2_2_2_2_Re[u][n])>>15)
- (((int32_t)(round(32767*sin(alpha*n))) * table_5_2_2_2_2_Im[u][n])>>15))); // Re part of base sequence shifted by alpha
r_u_v_alpha_delta_im[n] = (int16_t)(((((int32_t)(round(32767*cos(alpha*n))) * table_5_2_2_2_2_Im[u][n])>>15)
......@@ -736,11 +769,12 @@ void nr_generate_pucch1_old(PHY_VARS_NR_UE *ue,
// DM-RS sequence
r_u_v_alpha_delta_re[n] = (int16_t)(((int32_t)amp*r_u_v_alpha_delta_re[n])>>15);
r_u_v_alpha_delta_im[n] = (int16_t)(((int32_t)amp*r_u_v_alpha_delta_im[n])>>15);
#ifdef DEBUG_NR_PUCCH_TX
#ifdef DEBUG_NR_PUCCH_TX
printf("\t [nr_generate_pucch1] sequence generation \tu=%d \tv=%d \talpha=%lf \tr_u_v_alpha_delta[n=%d]=(%d,%d) \ty_n[n=%d]=(%d,%d)\n",
u,v,alpha,n,r_u_v_alpha_delta_re[n],r_u_v_alpha_delta_im[n],n,y_n_re[n],y_n_im[n]);
#endif
#endif
}
/*
* The block of complex-valued symbols y(n) shall be block-wise spread with the orthogonal sequence wi(m)
* (defined in table_6_3_2_4_1_2_Wi_Re and table_6_3_2_4_1_2_Wi_Im)
......@@ -770,124 +804,144 @@ void nr_generate_pucch1_old(PHY_VARS_NR_UE *ue,
uint8_t N_SF_mprime0_PUCCH_DMRS_1;
// mprime is 0 if no intra-slot hopping / mprime is {0,1} if intra-slot hopping
uint8_t mprime = 0;
if (intraSlotFrequencyHopping == 0) { // intra-slot hopping disabled
#ifdef DEBUG_NR_PUCCH_TX
#ifdef DEBUG_NR_PUCCH_TX
printf("\t [nr_generate_pucch1] block-wise spread with the orthogonal sequence wi(m) if intraSlotFrequencyHopping = %d\n",
intraSlotFrequencyHopping);
#endif
#endif
N_SF_mprime_PUCCH_1 = table_6_3_2_4_1_1_N_SF_mprime_PUCCH_1_noHop[nrofSymbols-1]; // only if intra-slot hopping not enabled (PUCCH)
N_SF_mprime_PUCCH_DMRS_1 = table_6_4_1_3_1_1_1_N_SF_mprime_PUCCH_1_noHop[nrofSymbols-1]; // only if intra-slot hopping not enabled (DM-RS)
N_SF_mprime0_PUCCH_1 = table_6_3_2_4_1_1_N_SF_mprime_PUCCH_1_noHop[nrofSymbols-1]; // only if intra-slot hopping not enabled mprime = 0 (PUCCH)
N_SF_mprime0_PUCCH_DMRS_1 = table_6_4_1_3_1_1_1_N_SF_mprime_PUCCH_1_noHop[nrofSymbols-1]; // only if intra-slot hopping not enabled mprime = 0 (DM-RS)
for (int m=0; m < N_SF_mprime_PUCCH_1; m++){
for (int n=0; n<12 ; n++){
for (int m=0; m < N_SF_mprime_PUCCH_1; m++) {
for (int n=0; n<12 ; n++) {
z_re[(mprime*12*N_SF_mprime0_PUCCH_1)+(m*12)+n] = (int16_t)((((int32_t)(table_6_3_2_4_1_2_Wi_Re[N_SF_mprime_PUCCH_1][w_index][m])*y_n_re[n])>>15)
- (((int32_t)(table_6_3_2_4_1_2_Wi_Im[N_SF_mprime_PUCCH_1][w_index][m])*y_n_im[n])>>15));
z_im[(mprime*12*N_SF_mprime0_PUCCH_1)+(m*12)+n] = (int16_t)((((int32_t)(table_6_3_2_4_1_2_Wi_Re[N_SF_mprime_PUCCH_1][w_index][m])*y_n_im[n])>>15)
+ (((int32_t)(table_6_3_2_4_1_2_Wi_Im[N_SF_mprime_PUCCH_1][w_index][m])*y_n_re[n])>>15));
#ifdef DEBUG_NR_PUCCH_TX
#ifdef DEBUG_NR_PUCCH_TX
printf("\t\t z_pucch[%d] \t= ((%d \t* %d \t-%d \t* %d), (%d \t* %d \t+%d \t*%d)) = (%d,%d)\n",
(mprime*12*N_SF_mprime0_PUCCH_1)+(m*12)+n,
table_6_3_2_4_1_2_Wi_Re[N_SF_mprime_PUCCH_1][w_index][m],y_n_re[n],table_6_3_2_4_1_2_Wi_Im[N_SF_mprime_PUCCH_1][w_index][m],y_n_im[n],
table_6_3_2_4_1_2_Wi_Re[N_SF_mprime_PUCCH_1][w_index][m],y_n_im[n],table_6_3_2_4_1_2_Wi_Im[N_SF_mprime_PUCCH_1][w_index][m],y_n_re[n],
z_re[(mprime*12*N_SF_mprime0_PUCCH_1)+(m*12)+n],z_im[(mprime*12*N_SF_mprime0_PUCCH_1)+(m*12)+n]);
#endif
#endif
}
}
for (int m=0; m < N_SF_mprime_PUCCH_DMRS_1; m++){
for (int n=0; n<12 ; n++){
for (int m=0; m < N_SF_mprime_PUCCH_DMRS_1; m++) {
for (int n=0; n<12 ; n++) {
z_dmrs_re[(mprime*12*N_SF_mprime0_PUCCH_DMRS_1)+(m*12)+n] = (int16_t)((((int32_t)(table_6_3_2_4_1_2_Wi_Re[N_SF_mprime_PUCCH_1][w_index][m])*r_u_v_alpha_delta_re[n])>>15)
- (((int32_t)(table_6_3_2_4_1_2_Wi_Im[N_SF_mprime_PUCCH_1][w_index][m])*r_u_v_alpha_delta_im[n])>>15));
z_dmrs_im[(mprime*12*N_SF_mprime0_PUCCH_DMRS_1)+(m*12)+n] = (int16_t)((((int32_t)(table_6_3_2_4_1_2_Wi_Re[N_SF_mprime_PUCCH_1][w_index][m])*r_u_v_alpha_delta_im[n])>>15)
+ (((int32_t)(table_6_3_2_4_1_2_Wi_Im[N_SF_mprime_PUCCH_1][w_index][m])*r_u_v_alpha_delta_re[n])>>15));
#ifdef DEBUG_NR_PUCCH_TX
#ifdef DEBUG_NR_PUCCH_TX
printf("\t\t z_dm-rs[%d] = ((),()) =(%d,%d)\n",
(mprime*12*N_SF_mprime0_PUCCH_DMRS_1)+(m*12)+n,z_dmrs_re[(mprime*12*N_SF_mprime0_PUCCH_1)+(m*12)+n],z_dmrs_im[(mprime*12*N_SF_mprime0_PUCCH_1)+(m*12)+n]);
#endif
#endif
}
}
}
if (intraSlotFrequencyHopping == 1) { // intra-slot hopping enabled
#ifdef DEBUG_NR_PUCCH_TX
#ifdef DEBUG_NR_PUCCH_TX
printf("\t [nr_generate_pucch1] block-wise spread with the orthogonal sequence wi(m) if intraSlotFrequencyHopping = %d\n",
intraSlotFrequencyHopping);
#endif
#endif
N_SF_mprime_PUCCH_1 = table_6_3_2_4_1_1_N_SF_mprime_PUCCH_1_m0Hop[nrofSymbols-1]; // only if intra-slot hopping enabled mprime = 0 (PUCCH)
N_SF_mprime_PUCCH_DMRS_1 = table_6_4_1_3_1_1_1_N_SF_mprime_PUCCH_1_m0Hop[nrofSymbols-1]; // only if intra-slot hopping enabled mprime = 0 (DM-RS)
N_SF_mprime0_PUCCH_1 = table_6_3_2_4_1_1_N_SF_mprime_PUCCH_1_m0Hop[nrofSymbols-1]; // only if intra-slot hopping enabled mprime = 0 (PUCCH)
N_SF_mprime0_PUCCH_DMRS_1 = table_6_4_1_3_1_1_1_N_SF_mprime_PUCCH_1_m0Hop[nrofSymbols-1]; // only if intra-slot hopping enabled mprime = 0 (DM-RS)
for (mprime = 0; mprime<2; mprime++){ // mprime can get values {0,1}
for (int m=0; m < N_SF_mprime_PUCCH_1; m++){
for (int n=0; n<12 ; n++){
for (mprime = 0; mprime<2; mprime++) { // mprime can get values {0,1}
for (int m=0; m < N_SF_mprime_PUCCH_1; m++) {
for (int n=0; n<12 ; n++) {
z_re[(mprime*12*N_SF_mprime0_PUCCH_1)+(m*12)+n] = (int16_t)((((int32_t)(table_6_3_2_4_1_2_Wi_Re[N_SF_mprime_PUCCH_1][w_index][m])*y_n_re[n])>>15)
- (((int32_t)(table_6_3_2_4_1_2_Wi_Im[N_SF_mprime_PUCCH_1][w_index][m])*y_n_im[n])>>15));
z_im[(mprime*12*N_SF_mprime0_PUCCH_1)+(m*12)+n] = (int16_t)((((int32_t)(table_6_3_2_4_1_2_Wi_Re[N_SF_mprime_PUCCH_1][w_index][m])*y_n_im[n])>>15)
+ (((int32_t)(table_6_3_2_4_1_2_Wi_Im[N_SF_mprime_PUCCH_1][w_index][m])*y_n_re[n])>>15));
}
}
for (int m=0; m < N_SF_mprime_PUCCH_DMRS_1; m++){
for (int n=0; n<12 ; n++){
for (int m=0; m < N_SF_mprime_PUCCH_DMRS_1; m++) {
for (int n=0; n<12 ; n++) {
z_dmrs_re[(mprime*12*N_SF_mprime0_PUCCH_DMRS_1)+(m*12)+n] = (int16_t)((((int32_t)(table_6_3_2_4_1_2_Wi_Re[N_SF_mprime_PUCCH_1][w_index][m])*r_u_v_alpha_delta_re[n])>>15)
- (((int32_t)(table_6_3_2_4_1_2_Wi_Im[N_SF_mprime_PUCCH_1][w_index][m])*r_u_v_alpha_delta_im[n])>>15));
z_dmrs_im[(mprime*12*N_SF_mprime0_PUCCH_DMRS_1)+(m*12)+n] = (int16_t)((((int32_t)(table_6_3_2_4_1_2_Wi_Re[N_SF_mprime_PUCCH_1][w_index][m])*r_u_v_alpha_delta_im[n])>>15)
+ (((int32_t)(table_6_3_2_4_1_2_Wi_Im[N_SF_mprime_PUCCH_1][w_index][m])*r_u_v_alpha_delta_re[n])>>15));
}
}
N_SF_mprime_PUCCH_1 = table_6_3_2_4_1_1_N_SF_mprime_PUCCH_1_m1Hop[nrofSymbols-1]; // only if intra-slot hopping enabled mprime = 1 (PUCCH)
N_SF_mprime_PUCCH_DMRS_1 = table_6_4_1_3_1_1_1_N_SF_mprime_PUCCH_1_m1Hop[nrofSymbols-1]; // only if intra-slot hopping enabled mprime = 1 (DM-RS)
}
}
/*
/*
* Implementing TS 38.211 Subclause 6.3.2.4.2 Mapping to physical resources
*/
int32_t *txptr;
uint32_t re_offset;
int i=0;
for (int l=0; l<nrofSymbols; l++) {
if ((intraSlotFrequencyHopping == 1) && (l<floor(nrofSymbols/2))) { // intra-slot hopping enabled, we need to calculate new PRB, FIXME!!!
startingPRB = startingPRB + startingPRB_intraSlotHopping;
}
if ((startingPRB < (frame_parms->N_RB_DL>>1)) && ((frame_parms->N_RB_DL & 1) == 0)) { // if number RBs in bandwidth is even and current PRB is lower band
re_offset = ((l+startingSymbolIndex)*frame_parms->ofdm_symbol_size) + (12*startingPRB) + frame_parms->first_carrier_offset;
}
if ((startingPRB >= (frame_parms->N_RB_DL>>1)) && ((frame_parms->N_RB_DL & 1) == 0)) { // if number RBs in bandwidth is even and current PRB is upper band
re_offset = ((l+startingSymbolIndex)*frame_parms->ofdm_symbol_size) + (12*(startingPRB-(frame_parms->N_RB_DL>>1)));
}
if ((startingPRB < (frame_parms->N_RB_DL>>1)) && ((frame_parms->N_RB_DL & 1) == 1)) { // if number RBs in bandwidth is odd and current PRB is lower band
re_offset = ((l+startingSymbolIndex)*frame_parms->ofdm_symbol_size) + (12*startingPRB) + frame_parms->first_carrier_offset;
}
if ((startingPRB > (frame_parms->N_RB_DL>>1)) && ((frame_parms->N_RB_DL & 1) == 1)) { // if number RBs in bandwidth is odd and current PRB is upper band
re_offset = ((l+startingSymbolIndex)*frame_parms->ofdm_symbol_size) + (12*(startingPRB-(frame_parms->N_RB_DL>>1))) + 6;
}
if ((startingPRB == (frame_parms->N_RB_DL>>1)) && ((frame_parms->N_RB_DL & 1) == 1)) { // if number RBs in bandwidth is odd and current PRB contains DC
re_offset = ((l+startingSymbolIndex)*frame_parms->ofdm_symbol_size) + (12*startingPRB) + frame_parms->first_carrier_offset;
}
txptr = &txdataF[0][re_offset];
for (int n=0; n<12; n++){
for (int n=0; n<12; n++) {
if ((n==6) && (startingPRB == (frame_parms->N_RB_DL>>1)) && ((frame_parms->N_RB_DL & 1) == 1)) {
// if number RBs in bandwidth is odd and current PRB contains DC, we need to recalculate the offset when n=6 (for second half PRB)
re_offset = ((l+startingSymbolIndex)*frame_parms->ofdm_symbol_size);
}
if (l%2 == 1) { // mapping PUCCH according to TS38.211 subclause 6.4.1.3.1
((int16_t *)&txdataF[0][re_offset])[0] = z_re[i+n];
((int16_t *)&txdataF[0][re_offset])[1] = z_im[i+n];
#ifdef DEBUG_NR_PUCCH_TX
#ifdef DEBUG_NR_PUCCH_TX
printf("\t [nr_generate_pucch1] mapping PUCCH to RE \t amp=%d \tofdm_symbol_size=%d \tN_RB_DL=%d \tfirst_carrier_offset=%d \tz_pucch[%d]=txptr(%d)=(x_n(l=%d,n=%d)=(%d,%d))\n",
amp,frame_parms->ofdm_symbol_size,frame_parms->N_RB_DL,frame_parms->first_carrier_offset,i+n,re_offset,
l,n,((int16_t *)&txdataF[0][re_offset])[0],((int16_t *)&txdataF[0][re_offset])[1]);
#endif
#endif
}
if (l%2 == 0) { // mapping DM-RS signal according to TS38.211 subclause 6.4.1.3.1
((int16_t *)&txdataF[0][re_offset])[0] = z_dmrs_re[i+n];
((int16_t *)&txdataF[0][re_offset])[1] = z_dmrs_im[i+n];
#ifdef DEBUG_NR_PUCCH_TX
#ifdef DEBUG_NR_PUCCH_TX
printf("\t [nr_generate_pucch1] mapping DM-RS to RE \t amp=%d \tofdm_symbol_size=%d \tN_RB_DL=%d \tfirst_carrier_offset=%d \tz_dm-rs[%d]=txptr(%d)=(x_n(l=%d,n=%d)=(%d,%d))\n",
amp,frame_parms->ofdm_symbol_size,frame_parms->N_RB_DL,frame_parms->first_carrier_offset,i+n,re_offset,
l,n,((int16_t *)&txdataF[0][re_offset])[0],((int16_t *)&txdataF[0][re_offset])[1]);
#endif
#endif
}
re_offset++;
}
if (l%2 == 1) i+=12;
}
}
......@@ -895,7 +949,6 @@ void nr_generate_pucch1_old(PHY_VARS_NR_UE *ue,
inline void nr_pucch2_3_4_scrambling(uint16_t M_bit,uint16_t rnti,uint16_t n_id,uint32_t B,uint8_t *btilde) __attribute__((always_inline));
inline void nr_pucch2_3_4_scrambling(uint16_t M_bit,uint16_t rnti,uint16_t n_id,uint32_t B,uint8_t *btilde) {
uint32_t x1, x2, s=0;
int i;
uint8_t c;
......@@ -906,17 +959,18 @@ inline void nr_pucch2_3_4_scrambling(uint16_t M_bit,uint16_t rnti,uint16_t n_id,
#ifdef DEBUG_NR_PUCCH_TX
printf("\t\t [nr_pucch2_3_4_scrambling] gold sequence s=%lx\n",s);
#endif
for (i=0;i<M_bit;i++) {
for (i=0; i<M_bit; i++) {
c = (uint8_t)((s>>i)&1);
btilde[i] = (((B>>i)&1) ^ c);
#ifdef DEBUG_NR_PUCCH_TX
//printf("\t\t\t btilde[%d]=%lx from scrambled bit %d\n",i,btilde[i],((B>>i)&1));
#endif
}
#ifdef DEBUG_NR_PUCCH_TX
printf("\t\t [nr_pucch2_3_4_scrambling] scrambling M_bit=%d bits\n", M_bit);
#endif
}
void nr_uci_encoding(uint64_t payload,
uint8_t nr_bit,
......@@ -933,79 +987,90 @@ void nr_uci_encoding(uint64_t payload,
* Implementing TS 38.212 Subclause 6.3.1.2
*
*/
// A is the payload size, to be provided in function call
uint8_t A = nr_bit;
// L is the CRC size
uint8_t L;
// E is the rate matching output sequence length as given in TS 38.212 subclause 6.3.1.4.1
uint16_t E=0,E_init;
if (fmt == pucch_format2_nr) E = 16*nrofSymbols*nrofPRB;
if (fmt == pucch_format3_nr){
if (fmt == pucch_format3_nr) {
E_init = (is_pi_over_2_bpsk_enabled == 0) ? 24:12;
if (nrofSymbols == 4) {
E = (intraSlotFrequencyHopping == 0)?(E_init*(nrofSymbols-1)*nrofPRB):((E_init*(nrofSymbols-1)*nrofPRB));
#ifdef DEBUG_NR_PUCCH_TX
#ifdef DEBUG_NR_PUCCH_TX
printf("format 3 nrofSymbols =4 and E_init=%d,E=%d\n",E_init,E);
#endif
#endif
}
if (nrofSymbols > 4) {
E = E_init*(nrofSymbols-2)*nrofPRB;
#ifdef DEBUG_NR_PUCCH_TX
#ifdef DEBUG_NR_PUCCH_TX
printf("format 3 nrofSymbols >4 and E_init=%d,E = %d\n",E_init,E);
#endif
#endif
}
if (nrofSymbols > 9) {
E = (add_dmrs == 0)?(E_init*(nrofSymbols-2)*nrofPRB):((E_init*(nrofSymbols-4)*nrofPRB));
#ifdef DEBUG_NR_PUCCH_TX
#ifdef DEBUG_NR_PUCCH_TX
printf("format 3 nrofSymbols >9 and E_init=%d,E = %d\n",E_init,E);
#endif
#endif
}
}
if (fmt == pucch_format4_nr){
if (fmt == pucch_format4_nr) {
E_init = (is_pi_over_2_bpsk_enabled == 0) ? 24:12;
if (nrofSymbols == 4) {
E = (intraSlotFrequencyHopping == 0)?(E_init*(nrofSymbols-1)/n_SF_PUCCH_s):((E_init*(nrofSymbols-1)/n_SF_PUCCH_s));
#ifdef DEBUG_NR_PUCCH_TX
#ifdef DEBUG_NR_PUCCH_TX
printf("format 4 nrofSymbols =4 and E_init=%d,E=%d\n",E_init,E);
#endif
#endif
}
if (nrofSymbols > 4) {
E = E_init*(nrofSymbols-2)/n_SF_PUCCH_s;
#ifdef DEBUG_NR_PUCCH_TX
#ifdef DEBUG_NR_PUCCH_TX
printf("format 4 nrofSymbols >4 and E_init=%d,E = %d\n",E_init,E);
#endif
#endif
}
if (nrofSymbols > 9) {
E = (add_dmrs == 0)?(E_init*(nrofSymbols-2)/n_SF_PUCCH_s):((E_init*(nrofSymbols-4)/n_SF_PUCCH_s));
#ifdef DEBUG_NR_PUCCH_TX
#ifdef DEBUG_NR_PUCCH_TX
printf("format 4 nrofSymbols >9 and E_init=%d,E = %d\n",E_init,E);
#endif
#endif
}
}
*M_bit = E;
int I_seg;
#ifdef DEBUG_NR_PUCCH_TX
#ifdef DEBUG_NR_PUCCH_TX
printf("\t\t [nr_uci_encoding] start function with fmt=%d, encoding A=%d bits into M_bit=%d (where nrofSymbols=%d,nrofPRB=%d)\n",fmt,A,*M_bit,nrofSymbols,nrofPRB);
#endif
#endif
if (A<=11){
if (A<=11) {
// procedure in subclause 6.3.1.2.2 (UCI encoded by channel coding of small block lengths -> subclause 6.3.1.3.2)
// CRC bits are not attached, and coding small block lengths (subclause 5.3.3)
} else if (A>=12){
} else if (A>=12) {
// procedure in subclause 6.3.1.2.1 (UCI encoded by Polar code -> subclause 6.3.1.3.1)
if ((A>=360 && E>=1088)||(A>=1013)){
if ((A>=360 && E>=1088)||(A>=1013)) {
I_seg = 1;
} else {
I_seg = 0;
}
if (A>=20){
if (A>=20) {
// parity bits (subclause 5.2.1) computed by setting L=11 and using generator polynomial gCRC11(D) (subclause 5.1)
L=11;
} else if (A<=19){
} else if (A<=19) {
// parity bits (subclause 5.2.1) computed by setting L=6 and using generator polynomial gCRC6(D) (subclause 5.1)
L=6;
}
// code block segmentation and CRC attachment is performed according to subclause 5.2.1
// polar coding subclause 5.3.1
}
......@@ -1024,15 +1089,14 @@ void nr_generate_pucch2(PHY_VARS_NR_UE *ue,
uint8_t nrofPRB,
uint16_t startingPRB,
uint8_t nr_bit) {
#ifdef DEBUG_NR_PUCCH_TX
#ifdef DEBUG_NR_PUCCH_TX
printf("\t [nr_generate_pucch2] start function at slot(nr_tti_tx)=%d with payload=%d and nr_bit=%d\n",nr_tti_tx, payload, nr_bit);
#endif
#endif
// b is the block of bits transmitted on the physical channel after payload coding
uint64_t b;
// M_bit is the number of bits of block b (payload after encoding)
uint16_t M_bit;
nr_uci_encoding(payload,nr_bit,pucch_format2_nr,0,nrofSymbols,nrofPRB,1,0,0,&b,&M_bit);
/*
* Implementing TS 38.211
* Subclauses 6.3.2.5.1 Scrambling (PUCCH format 2)
......@@ -1045,54 +1109,53 @@ void nr_generate_pucch2(PHY_VARS_NR_UE *ue,
* n_id = {0,1,...,1023} equals the higher-layer parameter Data-scrambling-Identity if configured
* n_id = N_ID_cell if higher layer parameter not configured
*/
uint8_t *btilde = malloc(sizeof(int8_t)*M_bit);
// rnti is given by the C-RNTI
uint16_t rnti=crnti, n_id=0;
#ifdef DEBUG_NR_PUCCH_TX
printf("\t [nr_generate_pucch2] rnti = %d ,\n",rnti);
#endif
/*
* Implementing TS 38.211 Subclause 6.3.2.5.1 scrambling format 2
*/
nr_pucch2_3_4_scrambling(M_bit,rnti,n_id,b,btilde);
/*
* Implementing TS 38.211 Subclause 6.3.2.5.2 modulation format 2
* btilde shall be modulated as described in subclause 5.1 using QPSK
* resulting in a block of complex-valued modulation symbols d(0),...,d(m_symbol) where m_symbol=M_bit/2
*/
//#define ONE_OVER_SQRT2_S 23171 // 32767/sqrt(2) = 23170 (ONE_OVER_SQRT2)
//#define ONE_OVER_SQRT2_S 23171 // 32767/sqrt(2) = 23170 (ONE_OVER_SQRT2)
// complex-valued symbol d(0)
int16_t *d_re = malloc(sizeof(int16_t)*M_bit);
int16_t *d_im = malloc(sizeof(int16_t)*M_bit);
uint16_t m_symbol = (M_bit%2==0) ? M_bit/2 : floor(M_bit/2)+1;
for (int i=0; i < m_symbol; i++){ // QPSK modulation subclause 5.1.3
for (int i=0; i < m_symbol; i++) { // QPSK modulation subclause 5.1.3
if (((btilde[2*i]&1)==0) && ((btilde[(2*i)+1]&1)==0)) {
d_re[i] = (int16_t)(((int32_t)amp*ONE_OVER_SQRT2)>>15);
d_im[i] = (int16_t)(((int32_t)amp*ONE_OVER_SQRT2)>>15);
}
if (((btilde[2*i]&1)==0) && ((btilde[(2*i)+1]&1)==1)) {
d_re[i] = (int16_t)(((int32_t)amp*ONE_OVER_SQRT2)>>15);
d_im[i] = -(int16_t)(((int32_t)amp*ONE_OVER_SQRT2)>>15);
}
if (((btilde[2*i]&1)==1) && ((btilde[(2*i)+1]&1)==0)) {
d_re[i] = -(int16_t)(((int32_t)amp*ONE_OVER_SQRT2)>>15);
d_im[i] = (int16_t)(((int32_t)amp*ONE_OVER_SQRT2)>>15);
}
if (((btilde[2*i]&1)==1) && ((btilde[(2*i)+1]&1)==1)) {
d_re[i] = -(int16_t)(((int32_t)amp*ONE_OVER_SQRT2)>>15);
d_im[i] = -(int16_t)(((int32_t)amp*ONE_OVER_SQRT2)>>15);
}
#ifdef DEBUG_NR_PUCCH_TX
#ifdef DEBUG_NR_PUCCH_TX
printf("\t [nr_generate_pucch2] modulation of bit pair btilde(%d,%d), m_symbol=%d, d(%d)=(%d,%d)\n",(btilde[2*i]&1),(btilde[(2*i)+1]&1),m_symbol,i,d_re[i],d_im[i]);
#endif
#endif
}
/*
* Implementing TS 38.211 Subclause 6.3.2.5.3 Mapping to physical resources
*/
......@@ -1101,60 +1164,73 @@ void nr_generate_pucch2(PHY_VARS_NR_UE *ue,
uint32_t x1, x2, s=0;
int i=0;
int m=0;
for (int l=0; l<nrofSymbols; l++) {
x2 = (((1<<17)*((14*nr_tti_tx) + (l+startingSymbolIndex) + 1)*((2*n_id) + 1)) + (2*n_id))%(1<<31); // c_init calculation according to TS38.211 subclause
s = lte_gold_generic(&x1, &x2, 1);
m = 0;
for (int rb=0; rb<nrofPRB; rb++){
for (int rb=0; rb<nrofPRB; rb++) {
//startingPRB = startingPRB + rb;
if (((rb+startingPRB) < (frame_parms->N_RB_DL>>1)) && ((frame_parms->N_RB_DL & 1) == 0)) { // if number RBs in bandwidth is even and current PRB is lower band
re_offset = ((l+startingSymbolIndex)*frame_parms->ofdm_symbol_size) + (12*(rb+startingPRB)) + frame_parms->first_carrier_offset;
}
if (((rb+startingPRB) >= (frame_parms->N_RB_DL>>1)) && ((frame_parms->N_RB_DL & 1) == 0)) { // if number RBs in bandwidth is even and current PRB is upper band
re_offset = ((l+startingSymbolIndex)*frame_parms->ofdm_symbol_size) + (12*((rb+startingPRB)-(frame_parms->N_RB_DL>>1)));
}
if (((rb+startingPRB) < (frame_parms->N_RB_DL>>1)) && ((frame_parms->N_RB_DL & 1) == 1)) { // if number RBs in bandwidth is odd and current PRB is lower band
re_offset = ((l+startingSymbolIndex)*frame_parms->ofdm_symbol_size) + (12*(rb+startingPRB)) + frame_parms->first_carrier_offset;
}
if (((rb+startingPRB) > (frame_parms->N_RB_DL>>1)) && ((frame_parms->N_RB_DL & 1) == 1)) { // if number RBs in bandwidth is odd and current PRB is upper band
re_offset = ((l+startingSymbolIndex)*frame_parms->ofdm_symbol_size) + (12*((rb+startingPRB)-(frame_parms->N_RB_DL>>1))) + 6;
}
if (((rb+startingPRB) == (frame_parms->N_RB_DL>>1)) && ((frame_parms->N_RB_DL & 1) == 1)) { // if number RBs in bandwidth is odd and current PRB contains DC
re_offset = ((l+startingSymbolIndex)*frame_parms->ofdm_symbol_size) + (12*(rb+startingPRB)) + frame_parms->first_carrier_offset;
}
//txptr = &txdataF[0][re_offset];
int k=0;
int kk=0;
for (int n=0; n<12; n++){
for (int n=0; n<12; n++) {
if ((n==6) && ((rb+startingPRB) == (frame_parms->N_RB_DL>>1)) && ((frame_parms->N_RB_DL & 1) == 1)) {
// if number RBs in bandwidth is odd and current PRB contains DC, we need to recalculate the offset when n=6 (for second half PRB)
re_offset = ((l+startingSymbolIndex)*frame_parms->ofdm_symbol_size);
}
if (n%3 != 1) { // mapping PUCCH according to TS38.211 subclause 6.3.2.5.3
((int16_t *)&txdataF[0][re_offset])[0] = d_re[i+k];
((int16_t *)&txdataF[0][re_offset])[1] = d_im[i+k];
#ifdef DEBUG_NR_PUCCH_TX
#ifdef DEBUG_NR_PUCCH_TX
printf("\t [nr_generate_pucch2] (n=%d,i=%d) mapping PUCCH to RE \t amp=%d \tofdm_symbol_size=%d \tN_RB_DL=%d \tfirst_carrier_offset=%d \tz_pucch[%d]=txptr(%d)=(x_n(l=%d,n=%d)=(%d,%d))\n",
n,i,amp,frame_parms->ofdm_symbol_size,frame_parms->N_RB_DL,frame_parms->first_carrier_offset,i+k,re_offset,
l,n,((int16_t *)&txdataF[0][re_offset])[0],((int16_t *)&txdataF[0][re_offset])[1]);
#endif
#endif
k++;
}
if (n%3 == 1) { // mapping DM-RS signal according to TS38.211 subclause 6.4.1.3.2
((int16_t *)&txdataF[0][re_offset])[0] = (int16_t)((int32_t)(amp*ONE_OVER_SQRT2*(1-(2*((uint8_t)((s>>(2*m))&1)))))>>15);
((int16_t *)&txdataF[0][re_offset])[1] = (int16_t)((int32_t)(amp*ONE_OVER_SQRT2*(1-(2*((uint8_t)((s>>((2*m)+1))&1)))))>>15);
m++;
#ifdef DEBUG_NR_PUCCH_TX
#ifdef DEBUG_NR_PUCCH_TX
printf("\t [nr_generate_pucch2] (n=%d,i=%d) mapping DM-RS to RE \t amp=%d \tofdm_symbol_size=%d \tN_RB_DL=%d \tfirst_carrier_offset=%d \tz_dm-rs[%d]=txptr(%d)=(x_n(l=%d,n=%d)=(%d,%d))\n",
n,i,amp,frame_parms->ofdm_symbol_size,frame_parms->N_RB_DL,frame_parms->first_carrier_offset,i+kk,re_offset,
l,n,((int16_t *)&txdataF[0][re_offset])[0],((int16_t *)&txdataF[0][re_offset])[1]);
#endif
#endif
kk++;
}
re_offset++;
}
i+=8;
if ((m&((1<<4)-1))==0){
if ((m&((1<<4)-1))==0) {
s = lte_gold_generic(&x1, &x2, 0);
m = 0;
}
......@@ -1179,10 +1255,9 @@ void nr_generate_pucch3_4(PHY_VARS_NR_UE *ue,
uint8_t nr_bit,
uint8_t occ_length_format4,
uint8_t occ_index_format4) {
#ifdef DEBUG_NR_PUCCH_TX
#ifdef DEBUG_NR_PUCCH_TX
printf("\t [nr_generate_pucch3_4] start function at slot(nr_tti_tx)=%d with payload=%d and nr_bit=%d\n", nr_tti_tx, payload, nr_bit);
#endif
#endif
// b is the block of bits transmitted on the physical channel after payload coding
uint64_t b;
// M_bit is the number of bits of block b (payload after encoding)
......@@ -1195,19 +1270,21 @@ void nr_generate_pucch3_4(PHY_VARS_NR_UE *ue,
// otherwise no intra-slot frequency hopping shall be assumed
//uint8_t PUCCH_Frequency_Hopping = 0 ; // from higher layers
uint8_t intraSlotFrequencyHopping = 0;
if (startingPRB != startingPRB_intraSlotHopping){
if (startingPRB != startingPRB_intraSlotHopping) {
intraSlotFrequencyHopping=1;
#ifdef DEBUG_NR_PUCCH_TX
#ifdef DEBUG_NR_PUCCH_TX
printf("\t [nr_generate_pucch3_4] intraSlotFrequencyHopping=%d \n",intraSlotFrequencyHopping);
#endif
#endif
}
// add_dmrs indicates if we are using or not Additional DM-RS for formats 3 and 4. From higher layers. FIXME!!!
uint8_t add_dmrs = 0;
//nrofPRB = 2; // only for test purposes
if (fmt == pucch_format4_nr) nrofPRB = 1;
nr_uci_encoding(payload,nr_bit,fmt,is_pi_over_2_bpsk_enabled,nrofSymbols,nrofPRB,n_SF_PUCCH_s,intraSlotFrequencyHopping,add_dmrs,&b,&M_bit);
/*
* Implementing TS 38.211
* Subclauses 6.3.2.6.1 Scrambling (PUCCH formats 3 and 4)
......@@ -1220,19 +1297,16 @@ void nr_generate_pucch3_4(PHY_VARS_NR_UE *ue,
* n_id = {0,1,...,1023} equals the higher-layer parameter Data-scrambling-Identity if configured
* n_id = N_ID_cell if higher layer parameter not configured
*/
uint8_t *btilde = malloc(sizeof(int8_t)*M_bit);
// rnti is given by the C-RNTI
uint16_t rnti=crnti, n_id=0;
#ifdef DEBUG_NR_PUCCH_TX
printf("\t [nr_generate_pucch3_4] rnti = %d ,\n",rnti);
#endif
/*
* Implementing TS 38.211 Subclause 6.3.2.6.1 scrambling formats 3 and 4
*/
nr_pucch2_3_4_scrambling(M_bit,rnti,n_id,b,btilde);
/*
* Implementing TS 38.211 Subclause 6.3.2.6.2 modulation formats 3 and 4
*
......@@ -1243,53 +1317,64 @@ void nr_generate_pucch3_4(PHY_VARS_NR_UE *ue,
int16_t *d_re = malloc(sizeof(int16_t)*M_bit);
int16_t *d_im = malloc(sizeof(int16_t)*M_bit);
uint16_t m_symbol = (M_bit%2==0) ? M_bit/2 : floor(M_bit/2)+1;
if (is_pi_over_2_bpsk_enabled == 0){
if (is_pi_over_2_bpsk_enabled == 0) {
// using QPSK if PUCCH format 3,4 and pi/2-BPSK is not configured, according to subclause 6.3.2.6.2
for (int i=0; i < m_symbol; i++){ // QPSK modulation subclause 5.1.3
for (int i=0; i < m_symbol; i++) { // QPSK modulation subclause 5.1.3
if (((btilde[2*i]&1)==0) && ((btilde[(2*i)+1]&1)==0)) {
d_re[i] = (int16_t)(((int32_t)amp*ONE_OVER_SQRT2)>>15);
d_im[i] = (int16_t)(((int32_t)amp*ONE_OVER_SQRT2)>>15);
}
if (((btilde[2*i]&1)==0) && ((btilde[(2*i)+1]&1)==1)) {
d_re[i] = (int16_t)(((int32_t)amp*ONE_OVER_SQRT2)>>15);
d_im[i] = -(int16_t)(((int32_t)amp*ONE_OVER_SQRT2)>>15);
}
if (((btilde[2*i]&1)==1) && ((btilde[(2*i)+1]&1)==0)) {
d_re[i] = -(int16_t)(((int32_t)amp*ONE_OVER_SQRT2)>>15);
d_im[i] = (int16_t)(((int32_t)amp*ONE_OVER_SQRT2)>>15);
}
if (((btilde[2*i]&1)==1) && ((btilde[(2*i)+1]&1)==1)) {
d_re[i] = -(int16_t)(((int32_t)amp*ONE_OVER_SQRT2)>>15);
d_im[i] = -(int16_t)(((int32_t)amp*ONE_OVER_SQRT2)>>15);
}
#ifdef DEBUG_NR_PUCCH_TX
#ifdef DEBUG_NR_PUCCH_TX
printf("\t [nr_generate_pucch3_4] modulation QPSK of bit pair btilde(%d,%d), m_symbol=%d, d(%d)=(%d,%d)\n",(btilde[2*i]&1),(btilde[(2*i)+1]&1),m_symbol,i,d_re[i],d_im[i]);
#endif
#endif
}
}
if (is_pi_over_2_bpsk_enabled == 1){
if (is_pi_over_2_bpsk_enabled == 1) {
// using PI/2-BPSK if PUCCH format 3,4 and pi/2-BPSK is configured, according to subclause 6.3.2.6.2
m_symbol = M_bit;
for (int i=0; i<m_symbol; i++){ // PI/2-BPSK modulation subclause 5.1.1
if (((btilde[i]&1)==0) && (i%2 == 0)){
for (int i=0; i<m_symbol; i++) { // PI/2-BPSK modulation subclause 5.1.1
if (((btilde[i]&1)==0) && (i%2 == 0)) {
d_re[i] = (int16_t)(((int32_t)amp*ONE_OVER_SQRT2)>>15);
d_im[i] = (int16_t)(((int32_t)amp*ONE_OVER_SQRT2)>>15);
}
if (((btilde[i]&1)==0) && (i%2 == 1)){
if (((btilde[i]&1)==0) && (i%2 == 1)) {
d_re[i] = -(int16_t)(((int32_t)amp*ONE_OVER_SQRT2)>>15);
d_im[i] = (int16_t)(((int32_t)amp*ONE_OVER_SQRT2)>>15);
}
if (((btilde[i]&1)==1) && (i%2 == 0)){
if (((btilde[i]&1)==1) && (i%2 == 0)) {
d_re[i] = -(int16_t)(((int32_t)amp*ONE_OVER_SQRT2)>>15);
d_im[i] = -(int16_t)(((int32_t)amp*ONE_OVER_SQRT2)>>15);
}
if (((btilde[i]&1)==1) && (i%2 == 1)){
if (((btilde[i]&1)==1) && (i%2 == 1)) {
d_re[i] = (int16_t)(((int32_t)amp*ONE_OVER_SQRT2)>>15);
d_im[i] = -(int16_t)(((int32_t)amp*ONE_OVER_SQRT2)>>15);
}
#ifdef DEBUG_NR_PUCCH_TX
#ifdef DEBUG_NR_PUCCH_TX
printf("\t [nr_generate_pucch3_4] modulation PI/2-BPSK of bit btilde(%d), m_symbol=%d, d(%d)=(%d,%d)\n",(btilde[i]&1),m_symbol,i,d_re[i],d_im[i]);
#endif
#endif
}
}
......@@ -1309,66 +1394,75 @@ void nr_generate_pucch3_4(PHY_VARS_NR_UE *ue,
// k={0,..11} n={0,1,2,3}
// parameter PUCCH-F4-preDFT-OCC-index set of {0,1,2,3} -> n
uint16_t table_6_3_2_6_3_1_Wn_Re[2][12] = {{1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1},
{1, 1, 1, 1, 1, 1,-1,-1,-1,-1,-1,-1}};
{1, 1, 1, 1, 1, 1,-1,-1,-1,-1,-1,-1}
};
// Im part orthogonal sequences w_n(k) for PUCCH format 4 when N_SF_PUCCH4 = 2 (Table 6.3.2.6.3-1)
// k={0,..11} n={0,1}
uint16_t table_6_3_2_6_3_1_Wn_Im[2][12] = {{0,0,0,0,0,0,0,0,0,0,0,0},
{0,0,0,0,0,0,0,0,0,0,0,0}};
{0,0,0,0,0,0,0,0,0,0,0,0}
};
// Re part orthogonal sequences w_n(k) for PUCCH format 4 when N_SF_PUCCH4 = 4 (Table 6.3.2.6.3-2)
// k={0,..11} n={0,1,2.3}
uint16_t table_6_3_2_6_3_2_Wn_Re[4][12] = {{1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1},
{1, 1, 1, 0, 0, 0,-1,-1,-1, 0, 0, 0},
{1, 1, 1,-1,-1,-1, 1, 1, 1,-1,-1,-1},
{1, 1, 1, 0, 0, 0,-1,-1,-1, 0, 0, 0}};
{1, 1, 1, 0, 0, 0,-1,-1,-1, 0, 0, 0}
};
// Im part orthogonal sequences w_n(k) for PUCCH format 4 when N_SF_PUCCH4 = 4 (Table 6.3.2.6.3-2)
// k={0,..11} n={0,1,2,3}
uint16_t table_6_3_2_6_3_2_Wn_Im[4][12] = {{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
{0, 0, 0,-1,-1,-1, 0, 0, 0, 1, 1, 1},
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
{0, 0, 0, 1, 1, 1, 0, 0, 0,-1,-1,-1}};
{0, 0, 0, 1, 1, 1, 0, 0, 0,-1,-1,-1}
};
//uint8_t occ_Length = occ_length_format4; // higher layer parameter occ-Length
uint8_t occ_Index = occ_index_format4; // higher layer parameter occ-Index
//occ_Index = 1; //only for testing purposes; to be removed FIXME!!!
if (fmt == pucch_format3_nr){ // no block-wise spreading for format 3
//occ_Index = 1; //only for testing purposes; to be removed FIXME!!!
if (fmt == pucch_format3_nr) { // no block-wise spreading for format 3
n_SF_PUCCH_s = 1;
for (int l=0; l < floor(m_symbol/(12*nrofPRB)); l++){
for (int k=0; k < (12*nrofPRB); k++){
for (int l=0; l < floor(m_symbol/(12*nrofPRB)); l++) {
for (int k=0; k < (12*nrofPRB); k++) {
y_n_re[l*(12*nrofPRB)+k] = d_re[l*(12*nrofPRB)+k];
y_n_im[l*(12*nrofPRB)+k] = d_im[l*(12*nrofPRB)+k];
#ifdef DEBUG_NR_PUCCH_TX
#ifdef DEBUG_NR_PUCCH_TX
printf("\t [nr_generate_pucch3_4] block-wise spreading for format 3 (no block-wise spreading): (l,k)=(%d,%d)\ty_n(%d) = \t(d_re=%d, d_im=%d)\n",
l,k,l*(12*nrofPRB)+k,d_re[l*(12*nrofPRB)+k],d_im[l*(12*nrofPRB)+k]);
#endif
#endif
}
}
}
if (fmt == pucch_format4_nr){
if (fmt == pucch_format4_nr) {
nrofPRB = 1;
for (int l=0; l < floor((n_SF_PUCCH_s*m_symbol)/(12*nrofPRB)); l++){
for (int k=0; k < (12*nrofPRB); k++){
if (n_SF_PUCCH_s == 2){
for (int l=0; l < floor((n_SF_PUCCH_s*m_symbol)/(12*nrofPRB)); l++) {
for (int k=0; k < (12*nrofPRB); k++) {
if (n_SF_PUCCH_s == 2) {
y_n_re[l*(12*nrofPRB)+k] = (uint16_t)(((uint32_t)d_re[l*(12*nrofPRB/n_SF_PUCCH_s)+k%(12*nrofPRB/n_SF_PUCCH_s)] * table_6_3_2_6_3_1_Wn_Re[occ_Index][k])
- ((uint32_t)d_im[l*(12*nrofPRB/n_SF_PUCCH_s)+k%(12*nrofPRB/n_SF_PUCCH_s)] * table_6_3_2_6_3_1_Wn_Im[occ_Index][k]));
y_n_im[l*(12*nrofPRB)+k] = (uint16_t)(((uint32_t)d_im[l*(12*nrofPRB/n_SF_PUCCH_s)+k%(12*nrofPRB/n_SF_PUCCH_s)] * table_6_3_2_6_3_1_Wn_Re[occ_Index][k])
+ ((uint32_t)d_re[l*(12*nrofPRB/n_SF_PUCCH_s)+k%(12*nrofPRB/n_SF_PUCCH_s)] * table_6_3_2_6_3_1_Wn_Im[occ_Index][k]));
#ifdef DEBUG_NR_PUCCH_TX
#ifdef DEBUG_NR_PUCCH_TX
printf("\t [nr_generate_pucch3_4] block-wise spreading for format 4 (n_SF_PUCCH_s 2) (occ_Index=%d): (l,k)=(%d,%d)\ty_n(%d) = \t(d_re=%d, d_im=%d)\n",
occ_Index,l,k,l*(12*nrofPRB)+k,y_n_re[l*(12*nrofPRB)+k],y_n_im[l*(12*nrofPRB)+k]);
// printf("\t\t d_re[l*(12*nrofPRB/n_SF_PUCCH_s)+k%(12*nrofPRB/n_SF_PUCCH_s)] = %d\n",d_re[l*(12*nrofPRB/n_SF_PUCCH_s)+k%(12*nrofPRB/n_SF_PUCCH_s)]);
// printf("\t\t d_im[l*(12*nrofPRB/n_SF_PUCCH_s)+k%(12*nrofPRB/n_SF_PUCCH_s)] = %d\n",d_im[l*(12*nrofPRB/n_SF_PUCCH_s)+k%(12*nrofPRB/n_SF_PUCCH_s)]);
// printf("\t\t table_6_3_2_6_3_1_Wn_Re[%d][%d] = %d\n",occ_Index,k,table_6_3_2_6_3_1_Wn_Re[occ_Index][k]);
// printf("\t\t table_6_3_2_6_3_1_Wn_Im[%d][%d] = %d\n",occ_Index,k,table_6_3_2_6_3_1_Wn_Im[occ_Index][k]);
#endif
// printf("\t\t d_re[l*(12*nrofPRB/n_SF_PUCCH_s)+k%(12*nrofPRB/n_SF_PUCCH_s)] = %d\n",d_re[l*(12*nrofPRB/n_SF_PUCCH_s)+k%(12*nrofPRB/n_SF_PUCCH_s)]);
// printf("\t\t d_im[l*(12*nrofPRB/n_SF_PUCCH_s)+k%(12*nrofPRB/n_SF_PUCCH_s)] = %d\n",d_im[l*(12*nrofPRB/n_SF_PUCCH_s)+k%(12*nrofPRB/n_SF_PUCCH_s)]);
// printf("\t\t table_6_3_2_6_3_1_Wn_Re[%d][%d] = %d\n",occ_Index,k,table_6_3_2_6_3_1_Wn_Re[occ_Index][k]);
// printf("\t\t table_6_3_2_6_3_1_Wn_Im[%d][%d] = %d\n",occ_Index,k,table_6_3_2_6_3_1_Wn_Im[occ_Index][k]);
#endif
}
if (n_SF_PUCCH_s == 4){
if (n_SF_PUCCH_s == 4) {
y_n_re[l*(12*nrofPRB)+k] = (uint16_t)(((uint32_t)d_re[l*(12*nrofPRB/n_SF_PUCCH_s)+k%(12*nrofPRB/n_SF_PUCCH_s)] * table_6_3_2_6_3_2_Wn_Re[occ_Index][k])
- ((uint32_t)d_im[l*(12*nrofPRB/n_SF_PUCCH_s)+k%(12*nrofPRB/n_SF_PUCCH_s)] * table_6_3_2_6_3_2_Wn_Im[occ_Index][k]));
y_n_im[l*(12*nrofPRB)+k] = (uint16_t)(((uint32_t)d_im[l*(12*nrofPRB/n_SF_PUCCH_s)+k%(12*nrofPRB/n_SF_PUCCH_s)] * table_6_3_2_6_3_2_Wn_Re[occ_Index][k])
+ ((uint32_t)d_re[l*(12*nrofPRB/n_SF_PUCCH_s)+k%(12*nrofPRB/n_SF_PUCCH_s)] * table_6_3_2_6_3_2_Wn_Im[occ_Index][k]));
#ifdef DEBUG_NR_PUCCH_TX
#ifdef DEBUG_NR_PUCCH_TX
printf("\t [nr_generate_pucch3_4] block-wise spreading for format 4 (n_SF_PUCCH_s 4) (occ_Index=%d): (l,k)=(%d,%d)\ty_n(%d) = \t(d_re=%d, d_im=%d)\n",
occ_Index,l,k,l*(12*nrofPRB)+k,y_n_re[l*(12*nrofPRB)+k],y_n_im[l*(12*nrofPRB)+k]);
#endif
#endif
}
}
}
......@@ -1379,37 +1473,40 @@ void nr_generate_pucch3_4(PHY_VARS_NR_UE *ue,
*/
int16_t *z_re = malloc(sizeof(int16_t)*4*M_bit); // 4 is the maximum number n_SF_PUCCH_s
int16_t *z_im = malloc(sizeof(int16_t)*4*M_bit);
#define M_PI 3.14159265358979323846 // pi
#define M_PI 3.14159265358979323846 // pi
//int16_t inv_sqrt_nrofPRBs = (int16_t)round(32767/sqrt(12*nrofPRB));
for (int l=0; l<floor((n_SF_PUCCH_s*m_symbol)/(12*nrofPRB)); l++){
for (int k=0; k<(12*nrofPRB); k++){
for (int l=0; l<floor((n_SF_PUCCH_s*m_symbol)/(12*nrofPRB)); l++) {
for (int k=0; k<(12*nrofPRB); k++) {
z_re[l*(12*nrofPRB)+k] = 0;
z_im[l*(12*nrofPRB)+k] = 0;
// int16_t z_re_tmp[240] = {0};
// int16_t z_im_tmp[240] = {0};
for (int m=0; m<(12*nrofPRB); m++){
// int16_t z_re_tmp[240] = {0};
// int16_t z_im_tmp[240] = {0};
for (int m=0; m<(12*nrofPRB); m++) {
//z_re[l*(12*nrofPRB)+k] = y_n_re[l*(12*nrofPRB)+m] * (int16_t)(round(32767*cos((2*M_PI*m*k)/(12*nrofPRB))));
// z_re_tmp[m] = (int16_t)(((int32_t)round(32767/sqrt(12*nrofPRB))*(int16_t)((((int32_t)y_n_re[l*(12*nrofPRB)+m] * (int16_t)round(32767 * cos(2*M_PI*m*k/(12*nrofPRB))))>>15)
// + (((int32_t)y_n_im[l*(12*nrofPRB)+m] * (int16_t)round(32767 * sin(2*M_PI*m*k/(12*nrofPRB))))>>15)))>>15);
// z_im_tmp[m] = (int16_t)(((int32_t)round(32767/sqrt(12*nrofPRB))*(int16_t)((((int32_t)y_n_im[l*(12*nrofPRB)+m] * (int16_t)round(32767 * cos(2*M_PI*m*k/(12*nrofPRB))))>>15)
// - (((int32_t)y_n_re[l*(12*nrofPRB)+m] * (int16_t)round(32767 * sin(2*M_PI*m*k/(12*nrofPRB))))>>15)))>>15);
// z_re_tmp[m] = (int16_t)(((int32_t)round(32767/sqrt(12*nrofPRB))*(int16_t)((((int32_t)y_n_re[l*(12*nrofPRB)+m] * (int16_t)round(32767 * cos(2*M_PI*m*k/(12*nrofPRB))))>>15)
// + (((int32_t)y_n_im[l*(12*nrofPRB)+m] * (int16_t)round(32767 * sin(2*M_PI*m*k/(12*nrofPRB))))>>15)))>>15);
// z_im_tmp[m] = (int16_t)(((int32_t)round(32767/sqrt(12*nrofPRB))*(int16_t)((((int32_t)y_n_im[l*(12*nrofPRB)+m] * (int16_t)round(32767 * cos(2*M_PI*m*k/(12*nrofPRB))))>>15)
// - (((int32_t)y_n_re[l*(12*nrofPRB)+m] * (int16_t)round(32767 * sin(2*M_PI*m*k/(12*nrofPRB))))>>15)))>>15);
z_re[l*(12*nrofPRB)+k] = z_re[l*(12*nrofPRB)+k]
+ (int16_t)(((int32_t)round(32767/sqrt(12*nrofPRB))*(int16_t)((((int32_t)y_n_re[l*(12*nrofPRB)+m] * (int16_t)round(32767 * cos(2*M_PI*m*k/(12*nrofPRB))))>>15)
+ (((int32_t)y_n_im[l*(12*nrofPRB)+m] * (int16_t)round(32767 * sin(2*M_PI*m*k/(12*nrofPRB))))>>15)))>>15);
z_im[l*(12*nrofPRB)+k] = z_im[l*(12*nrofPRB)+k]
+ (int16_t)(((int32_t)round(32767/sqrt(12*nrofPRB))*(int16_t)((((int32_t)y_n_im[l*(12*nrofPRB)+m] * (int16_t)round(32767 * cos(2*M_PI*m*k/(12*nrofPRB))))>>15)
- (((int32_t)y_n_re[l*(12*nrofPRB)+m] * (int16_t)round(32767 * sin(2*M_PI*m*k/(12*nrofPRB))))>>15)))>>15);
#ifdef DEBUG_NR_PUCCH_TX
// printf("\t\t z_re_tmp[%d] = %d\n",m,z_re_tmp[m]);
// printf("\t\t z_im_tmp[%d] = %d\n",m,z_im_tmp[m]);
// printf("\t [nr_generate_pucch3_4] transform precoding for formats 3 and 4: (l,k,m)=(%d,%d,%d)\tz(%d) = \t(%d, %d)\n",
// l,k,m,l*(12*nrofPRB)+k,z_re[l*(12*nrofPRB)+k],z_im[l*(12*nrofPRB)+k]);
#endif
}
#ifdef DEBUG_NR_PUCCH_TX
#ifdef DEBUG_NR_PUCCH_TX
// printf("\t\t z_re_tmp[%d] = %d\n",m,z_re_tmp[m]);
// printf("\t\t z_im_tmp[%d] = %d\n",m,z_im_tmp[m]);
// printf("\t [nr_generate_pucch3_4] transform precoding for formats 3 and 4: (l,k,m)=(%d,%d,%d)\tz(%d) = \t(%d, %d)\n",
// l,k,m,l*(12*nrofPRB)+k,z_re[l*(12*nrofPRB)+k],z_im[l*(12*nrofPRB)+k]);
#endif
}
#ifdef DEBUG_NR_PUCCH_TX
printf("\t [nr_generate_pucch3_4] transform precoding for formats 3 and 4: (l,k)=(%d,%d)\tz(%d) = \t(%d, %d)\n",
l,k,l*(12*nrofPRB)+k,z_re[l*(12*nrofPRB)+k],z_im[l*(12*nrofPRB)+k]);
#endif
#endif
}
}
......@@ -1431,29 +1528,32 @@ void nr_generate_pucch3_4(PHY_VARS_NR_UE *ue,
// m0 is the cyclic shift index calculated depending on the Orthogonal sequence index n, according to table 6.4.1.3.3.1-1 from TS 38.211 subclause 6.4.1.3.3.1
uint8_t m0;
uint8_t mcs=0;
if (fmt == pucch_format3_nr) m0 = 0;
if (fmt == pucch_format4_nr) {
if (n_SF_PUCCH_s == 2) {
m0 = (occ_Index == 0) ? 0 : 6;
}
if (n_SF_PUCCH_s == 4) {
m0 = (occ_Index == 3) ? 9 : ((occ_Index == 2) ? 3 : ((occ_Index == 1) ? 6 : 0));
}
}
double alpha;
uint8_t N_ZC = 12*nrofPRB;
int16_t *r_u_v_base_re = malloc(sizeof(int16_t)*12*nrofPRB);
int16_t *r_u_v_base_im = malloc(sizeof(int16_t)*12*nrofPRB);
//int16_t *r_u_v_alpha_delta_re = malloc(sizeof(int16_t)*12*nrofPRB);
//int16_t *r_u_v_alpha_delta_im = malloc(sizeof(int16_t)*12*nrofPRB);
// Next we proceed to mapping to physical resources according to TS 38.211, subclause 6.3.2.6.5 dor PUCCH formats 3 and 4 and subclause 6.4.1.3.3.2 for DM-RS
//int32_t *txptr;
uint32_t re_offset=0;
//uint32_t x1, x2, s=0;
// intraSlotFrequencyHopping
// uint8_t intraSlotFrequencyHopping = 0;
uint8_t table_6_4_1_3_3_2_1_dmrs_positions[11][14] ={
uint8_t table_6_4_1_3_3_2_1_dmrs_positions[11][14] = {
{(intraSlotFrequencyHopping==0)?0:1,(intraSlotFrequencyHopping==0)?1:0,(intraSlotFrequencyHopping==0)?0:1,0,0,0,0,0,0,0,0,0,0,0}, // PUCCH length = 4
{1,0,0,1,0,0,0,0,0,0,0,0,0,0}, // PUCCH length = 5
{0,1,0,0,1,0,0,0,0,0,0,0,0,0}, // PUCCH length = 6
......@@ -1467,124 +1567,139 @@ void nr_generate_pucch3_4(PHY_VARS_NR_UE *ue,
{0,(add_dmrs==0?0:1),0,(add_dmrs==0?1:0),0,(add_dmrs==0?0:1),0,0,(add_dmrs==0?0:1),0,(add_dmrs==0?1:0),0,(add_dmrs==0?0:1),0} // PUCCH length = 14
};
uint16_t k=0;
for (int l=0; l<nrofSymbols; l++) {
for (int l=0; l<nrofSymbols; l++) {
if ((intraSlotFrequencyHopping == 1) && (l >= (int)floor(nrofSymbols/2))) n_hop = 1; // n_hop = 1 for second hop
nr_group_sequence_hopping(ue,n_hop,nr_tti_tx,&u,&v); // calculating u and v value
nr_group_sequence_hopping(ue,n_hop,nr_tti_tx,&u,&v); // calculating u and v value
// Next we proceed to calculate base sequence for DM-RS signal, according to TS 38.211 subclause 6.4.1.33
if (nrofPRB >= 3) { // TS 38.211 subclause 5.2.2.1 (Base sequences of length 36 or larger) applies
int i = 4;
while (list_of_prime_numbers[i] < (12*nrofPRB)) i++;
N_ZC = list_of_prime_numbers[i+1]; // N_ZC is given by the largest prime number such that N_ZC < (12*nrofPRB)
double q_base = (N_ZC*(u+1))/31;
int8_t q = (uint8_t)floor(q_base + (1/2));
q = ((uint8_t)floor(2*q_base)%2 == 0 ? q+v : q-v);
for (int n=0; n<(12*nrofPRB); n++){
for (int n=0; n<(12*nrofPRB); n++) {
r_u_v_base_re[n] = (int16_t)(((int32_t)amp*(int16_t)(32767*cos(M_PI*q*(n%N_ZC)*((n%N_ZC)+1)/N_ZC)))>>15);
r_u_v_base_im[n] = -(int16_t)(((int32_t)amp*(int16_t)(32767*sin(M_PI*q*(n%N_ZC)*((n%N_ZC)+1)/N_ZC)))>>15);
#ifdef DEBUG_NR_PUCCH_TX
#ifdef DEBUG_NR_PUCCH_TX
printf("\t [nr_generate_pucch3_4] generation DM-RS base sequence when nrofPRB=%d >= 3: r_u_v_base[n=%d]=(%d,%d)\n",
nrofPRB,n,r_u_v_base_re[n],r_u_v_base_im[n]);
#endif
#endif
}
}
if (nrofPRB == 2) { // TS 38.211 subclause 5.2.2.2 (Base sequences of length less than 36 using table 5.2.2.2-4) applies
for (int n=0; n<(12*nrofPRB); n++){
for (int n=0; n<(12*nrofPRB); n++) {
r_u_v_base_re[n] = (int16_t)(((int32_t)amp*table_5_2_2_2_4_Re[u][n])>>15);
r_u_v_base_im[n] = (int16_t)(((int32_t)amp*table_5_2_2_2_4_Im[u][n])>>15);
#ifdef DEBUG_NR_PUCCH_TX
#ifdef DEBUG_NR_PUCCH_TX
printf("\t [nr_generate_pucch3_4] generation DM-RS base sequence when nrofPRB=%d == 2: r_u_v_base[n=%d]=(%d,%d)\n",
nrofPRB,n,r_u_v_base_re[n],r_u_v_base_im[n]);
#endif
#endif
}
}
if (nrofPRB == 1) { // TS 38.211 subclause 5.2.2.2 (Base sequences of length less than 36 using table 5.2.2.2-2) applies
for (int n=0; n<(12*nrofPRB); n++){
for (int n=0; n<(12*nrofPRB); n++) {
r_u_v_base_re[n] = (int16_t)(((int32_t)amp*table_5_2_2_2_2_Re[u][n])>>15);
r_u_v_base_im[n] = (int16_t)(((int32_t)amp*table_5_2_2_2_2_Im[u][n])>>15);
#ifdef DEBUG_NR_PUCCH_TX
#ifdef DEBUG_NR_PUCCH_TX
printf("\t [nr_generate_pucch3_4] generation DM-RS base sequence when nrofPRB=%d == 1: r_u_v_base[n=%d]=(%d,%d)\n",
nrofPRB,n,r_u_v_base_re[n],r_u_v_base_im[n]);
#endif
#endif
}
}
uint16_t j=0;
alpha = nr_cyclic_shift_hopping(ue,m0,mcs,l,startingSymbolIndex,nr_tti_tx);
for (int rb=0; rb<nrofPRB; rb++){
for (int rb=0; rb<nrofPRB; rb++) {
if ((intraSlotFrequencyHopping == 1) && (l<floor(nrofSymbols/2))) { // intra-slot hopping enabled, we need to calculate new offset PRB
startingPRB = startingPRB + startingPRB_intraSlotHopping;
}
//startingPRB = startingPRB + rb;
if (((rb+startingPRB) < (frame_parms->N_RB_DL>>1)) && ((frame_parms->N_RB_DL & 1) == 0)) { // if number RBs in bandwidth is even and current PRB is lower band
re_offset = ((l+startingSymbolIndex)*frame_parms->ofdm_symbol_size) + (12*(rb+startingPRB)) + frame_parms->first_carrier_offset;
#ifdef DEBUG_NR_PUCCH_TX
#ifdef DEBUG_NR_PUCCH_TX
printf("1 ");
#endif
#endif
}
if (((rb+startingPRB) >= (frame_parms->N_RB_DL>>1)) && ((frame_parms->N_RB_DL & 1) == 0)) { // if number RBs in bandwidth is even and current PRB is upper band
re_offset = ((l+startingSymbolIndex)*frame_parms->ofdm_symbol_size) + (12*((rb+startingPRB)-(frame_parms->N_RB_DL>>1)));
#ifdef DEBUG_NR_PUCCH_TX
#ifdef DEBUG_NR_PUCCH_TX
printf("2 ");
#endif
#endif
}
if (((rb+startingPRB) < (frame_parms->N_RB_DL>>1)) && ((frame_parms->N_RB_DL & 1) == 1)) { // if number RBs in bandwidth is odd and current PRB is lower band
re_offset = ((l+startingSymbolIndex)*frame_parms->ofdm_symbol_size) + (12*(rb+startingPRB)) + frame_parms->first_carrier_offset;
#ifdef DEBUG_NR_PUCCH_TX
#ifdef DEBUG_NR_PUCCH_TX
printf("3 ");
#endif
#endif
}
if (((rb+startingPRB) > (frame_parms->N_RB_DL>>1)) && ((frame_parms->N_RB_DL & 1) == 1)) { // if number RBs in bandwidth is odd and current PRB is upper band
re_offset = ((l+startingSymbolIndex)*frame_parms->ofdm_symbol_size) + (12*((rb+startingPRB)-(frame_parms->N_RB_DL>>1))) + 6;
#ifdef DEBUG_NR_PUCCH_TX
#ifdef DEBUG_NR_PUCCH_TX
printf("4 ");
#endif
#endif
}
if (((rb+startingPRB) == (frame_parms->N_RB_DL>>1)) && ((frame_parms->N_RB_DL & 1) == 1)) { // if number RBs in bandwidth is odd and current PRB contains DC
re_offset = ((l+startingSymbolIndex)*frame_parms->ofdm_symbol_size) + (12*(rb+startingPRB)) + frame_parms->first_carrier_offset;
#ifdef DEBUG_NR_PUCCH_TX
#ifdef DEBUG_NR_PUCCH_TX
printf("5 ");
#endif
#endif
}
#ifdef DEBUG_NR_PUCCH_TX
#ifdef DEBUG_NR_PUCCH_TX
printf("re_offset=%d,(rb+startingPRB)=%d\n",re_offset,(rb+startingPRB));
#endif
#endif
//txptr = &txdataF[0][re_offset];
for (int n=0; n<12; n++){
for (int n=0; n<12; n++) {
if ((n==6) && ((rb+startingPRB) == (frame_parms->N_RB_DL>>1)) && ((frame_parms->N_RB_DL & 1) == 1)) {
// if number RBs in bandwidth is odd and current PRB contains DC, we need to recalculate the offset when n=6 (for second half PRB)
re_offset = ((l+startingSymbolIndex)*frame_parms->ofdm_symbol_size);
}
if (table_6_4_1_3_3_2_1_dmrs_positions[nrofSymbols-4][l] == 0) { // mapping PUCCH according to TS38.211 subclause 6.3.2.5.3
((int16_t *)&txdataF[0][re_offset])[0] = z_re[n+k];
((int16_t *)&txdataF[0][re_offset])[1] = z_im[n+k];
#ifdef DEBUG_NR_PUCCH_TX
#ifdef DEBUG_NR_PUCCH_TX
printf("\t [nr_generate_pucch3_4] (l=%d,rb=%d,n=%d,k=%d) mapping PUCCH to RE \t amp=%d \tofdm_symbol_size=%d \tN_RB_DL=%d \tfirst_carrier_offset=%d \tz_pucch[%d]=txptr(%d)=(z(l=%d,n=%d)=(%d,%d))\n",
l,rb,n,k,amp,frame_parms->ofdm_symbol_size,frame_parms->N_RB_DL,frame_parms->first_carrier_offset,n+k,re_offset,
l,n,((int16_t *)&txdataF[0][re_offset])[0],((int16_t *)&txdataF[0][re_offset])[1]);
#endif
#endif
}
if (table_6_4_1_3_3_2_1_dmrs_positions[nrofSymbols-4][l] == 1) { // mapping DM-RS signal according to TS38.211 subclause 6.4.1.3.2
((int16_t *)&txdataF[0][re_offset])[0] = (int16_t)((((int32_t)(32767*cos(alpha*((n+j)%N_ZC)))*r_u_v_base_re[n+j])>>15)
- (((int32_t)(32767*sin(alpha*((n+j)%N_ZC)))*r_u_v_base_im[n+j])>>15));
((int16_t *)&txdataF[0][re_offset])[1] = (int16_t)((((int32_t)(32767*cos(alpha*((n+j)%N_ZC)))*r_u_v_base_im[n+j])>>15)
+ (((int32_t)(32767*sin(alpha*((n+j)%N_ZC)))*r_u_v_base_re[n+j])>>15));
#ifdef DEBUG_NR_PUCCH_TX
#ifdef DEBUG_NR_PUCCH_TX
printf("\t [nr_generate_pucch3_4] (l=%d,rb=%d,n=%d,j=%d) mapping DM-RS to RE \t amp=%d \tofdm_symbol_size=%d \tN_RB_DL=%d \tfirst_carrier_offset=%d \tz_dm-rs[%d]=txptr(%d)=(r_u_v(l=%d,n=%d)=(%d,%d))\n",
l,rb,n,j,amp,frame_parms->ofdm_symbol_size,frame_parms->N_RB_DL,frame_parms->first_carrier_offset,n+j,re_offset,
l,n,((int16_t *)&txdataF[0][re_offset])[0],((int16_t *)&txdataF[0][re_offset])[1]);
#endif
#endif
}
re_offset++;
}
if (table_6_4_1_3_3_2_1_dmrs_positions[nrofSymbols-4][l] == 0) k+=12;
if (table_6_4_1_3_3_2_1_dmrs_positions[nrofSymbols-4][l] == 1) j+=12;
}
}
}
openair1/SIMULATION/NR_UE_PHY/unit_tests/src/pss_util_test.c
View file @ 4df26768
......@@ -66,7 +66,7 @@
/*************** LOCAL VARIABLES***********************************/
static nfapi_config_request_t config_t;
static nfapi_config_request_t* config =&config_t;
static nfapi_config_request_t *config =&config_t;
/*************** FUNCTIONS ****************************************/
......@@ -86,8 +86,7 @@ int init_nr_ue_signal(PHY_VARS_NR_UE *ue, int nb_connected_eNB, uint8_t abstract
*
*********************************************************************/
void phase_shift_samples(int16_t *samples, int length, int16_t phase_shift_re, int16_t phase_shift_im)
{
void phase_shift_samples(int16_t *samples, int length, int16_t phase_shift_re, int16_t phase_shift_im) {
int16_t sample_re, sample_im;
for (int i = 0; i < length; i++) {
......@@ -112,22 +111,23 @@ void phase_shift_samples(int16_t *samples, int length, int16_t phase_shift_re, i
*
*********************************************************************/
void display_data(int pss_sequence_number, int16_t *rxdata, int position)
{
void display_data(int pss_sequence_number, int16_t *rxdata, int position) {
#ifdef DEBUG_TEST_PSS
int16_t *pss_sequence[NUMBER_PSS_SEQUENCE] = {primary_synch0_time, primary_synch1_time, primary_synch2_time};
int16_t *pss_sequence_time = pss_sequence[pss_sequence_number];
printf(" pss %6d data \n", pss_sequence_number);
for (int i = 0; i < 4; i++) {
if (pss_sequence_number < NUMBER_PSS_SEQUENCE) {
printf("[i %6d] : %4d [i %6d] : %8i at address : %p \n", i, pss_sequence_time[2*i], (i + position), rxdata[2*i + (position*2)], &(rxdata[2*i + (position*2)]));
printf("[q %6d] : %4d [q %6d] : %8i at address : %p \n", i, pss_sequence_time[2*i+1], (i + position), rxdata[2*i + 1 + (position*2)], &(rxdata[2*i + 1 + (position*2)]));
}
else {
} else {
printf("[i %6d] : Undef [i %6d] : %8i at address : %p \n", i, (i + position), rxdata[2*i + (position*2)], &(rxdata[2*i + (position*2)]));
printf("[q %6d] : Undef [q %6d] : %8i at address : %p \n", i, (i + position), rxdata[2*i + 1 + (position*2)], &(rxdata[2*i + 1 + (position*2)]));
}
}nr_init_frame_parms
}
nr_init_frame_parms
printf(" ... ... \n");
#else
(void) pss_sequence_number;
......@@ -149,11 +149,9 @@ void display_data(int pss_sequence_number, int16_t *rxdata, int position)
*
*********************************************************************/
void display_test_configuration_pss(int position, int pss_sequence_number)
{
void display_test_configuration_pss(int position, int pss_sequence_number) {
const char next_test_text[] = "------------------------------------------------\n";
const char test_text_pss[] = "Test nr pss with Nid2 %i at position %i \n";
printf(next_test_text);
printf(test_text_pss, pss_sequence_number, position);
}
......@@ -171,8 +169,7 @@ void display_test_configuration_pss(int position, int pss_sequence_number)
*
*********************************************************************/
void display_test_configuration_sss(int sss_sequence_number)
{
void display_test_configuration_sss(int sss_sequence_number) {
const char test_text_sss[] = "Test nr sss with Nid1 %i \n";
printf(test_text_sss, sss_sequence_number);
}
......@@ -191,8 +188,7 @@ void display_test_configuration_sss(int sss_sequence_number)
*
*********************************************************************/
void undefined_function(const char *function)
{
void undefined_function(const char *function) {
printf("%s undefined \n", function);
printf("Warning: function \"%s\" has been replaced by an empty function for avoiding undefined function error at build \n", function);
}
......@@ -210,34 +206,22 @@ void undefined_function(const char *function)
*********************************************************************/
int init_test(unsigned char N_tx, unsigned char N_rx, unsigned char transmission_mode,
unsigned char extended_prefix_flag, uint8_t frame_type, uint16_t Nid_cell, uint8_t N_RB_DL)
{
unsigned char extended_prefix_flag, uint8_t frame_type, uint16_t Nid_cell, uint8_t N_RB_DL) {
(void) transmission_mode;
NR_DL_FRAME_PARMS *frame_parms;
int log_level = OAILOG_TRACE;
logInit();
// enable these lines if you need debug info
//set_comp_log(PHY,LOG_DEBUG,LOG_HIGH,1);
set_glog(log_level);
#ifndef NR_UNIT_TEST
cpuf = get_cpu_freq_GHz();
//LOG_I(PHY, "[CONFIG] Test of UE synchronisation \n");
set_component_filelog(USIM); // file located in /tmp/testSynchroue.txt
#endif
//randominit(0);
//set_taus_seed(0);
printf("Start lte_param_init, frame_type %d, extended_prefix %d\n",frame_type,extended_prefix_flag);
PHY_vars_UE = malloc(sizeof(PHY_VARS_NR_UE));
bzero(PHY_vars_UE, sizeof(PHY_VARS_NR_UE));
......@@ -245,7 +229,6 @@ int init_test(unsigned char N_tx, unsigned char N_rx, unsigned char transmission
return(-1);
frame_parms = &(PHY_vars_UE->frame_parms);
frame_parms->N_RB_DL = N_RB_DL; //50 for 10MHz and 25 for 5 MHz
frame_parms->N_RB_UL = N_RB_DL;
frame_parms->Ncp = extended_prefix_flag;
......@@ -257,36 +240,30 @@ int init_test(unsigned char N_tx, unsigned char N_rx, unsigned char transmission
frame_parms->nb_antenna_ports_eNB = 1;
frame_parms->threequarter_fs = 0;
frame_parms->numerology_index = NUMEROLOGY_INDEX_MAX_NR;
int mu = 1;
int n_ssb_crb = 0;
int ssb_subcarrier_offset = 0;
nr_init_frame_parms_ue(frame_parms, mu, extended_prefix_flag, N_RB_DL, n_ssb_crb, ssb_subcarrier_offset);
PHY_vars_UE->frame_parms.Nid_cell = (3 * N_ID_1_NUMBER) + N_ID_2_NUMBER; /* set to unvalid value */
//phy_init_nr_top(frame_parms);
if (init_nr_ue_signal(PHY_vars_UE, 1, 0) != 0)
{
if (init_nr_ue_signal(PHY_vars_UE, 1, 0) != 0) {
LOG_E(PHY,"Error at UE NR initialisation : at line %d in function %s of file %s \n", LINE_FILE , __func__, FILE_NAME);
return (0);
}
/* dummy initialisation of global structure PHY_vars_UE_g */
/* dummy initialisation of global structure PHY_vars_UE_g */
unsigned char NB_UE_INST=1;
PHY_vars_UE_g = (PHY_VARS_NR_UE***)calloc( NB_UE_INST, sizeof(PHY_VARS_NR_UE**));
PHY_vars_UE_g = (PHY_VARS_NR_UE ** *)calloc( NB_UE_INST, sizeof(PHY_VARS_NR_UE **));
for (int UE_id=0; UE_id<NB_UE_INST; UE_id++) {
PHY_vars_UE_g[UE_id] = (PHY_VARS_NR_UE**) calloc( MAX_NUM_CCs, sizeof(PHY_VARS_NR_UE*));
PHY_vars_UE_g[UE_id] = (PHY_VARS_NR_UE **) calloc( MAX_NUM_CCs, sizeof(PHY_VARS_NR_UE *));
for (int CC_id=0; CC_id<MAX_NUM_CCs; CC_id++) {
//(frame_parms[CC_id])->nb_antennas_tx = 1;
//(frame_parms[CC_id])->nb_antennas_rx = nb_antennas_rx_ue;
// PHY_vars_UE_g[UE_id][CC_id] = init_lte_UE(frame_parms[CC_id], UE_id,abstraction_flag);
PHY_vars_UE_g[UE_id][CC_id] = calloc(1, sizeof(PHY_VARS_NR_UE));
PHY_vars_UE_g[UE_id][CC_id]->Mod_id=UE_id;
PHY_vars_UE_g[UE_id][CC_id]->CC_id=CC_id;
......@@ -321,73 +298,66 @@ typedef enum {
#define FREQUENCY_15_MHZ (15360000L)
#define FREQUENCY (FREQUENCY_15_MHZ) /* to generate a frequency with a sampling of 30,72 MHz 5 gives 770 KHz, 20 gives 1,5 MHz, 40 gives 3 MHz */
void set_random_rx_buffer(PHY_VARS_NR_UE *PHY_vars_UE, int amp)
{
NR_DL_FRAME_PARMS *frame_parms = &(PHY_vars_UE->frame_parms);
int samples_for_frame = (LTE_NUMBER_OF_SUBFRAMES_PER_FRAME*frame_parms->samples_per_tti);
int16_t random;
int16_t *data_p;
random_data_format_t data_format = SINUSOIDAL_DATA;
void set_random_rx_buffer(PHY_VARS_NR_UE *PHY_vars_UE, int amp) {
NR_DL_FRAME_PARMS *frame_parms = &(PHY_vars_UE->frame_parms);
int samples_for_frame = (LTE_NUMBER_OF_SUBFRAMES_PER_FRAME*frame_parms->samples_per_tti);
int16_t random;
int16_t *data_p;
random_data_format_t data_format = SINUSOIDAL_DATA;
/* reinitialise random for always getting same data */
srand(0);
double n = 0;
for (int aa=0;aa<PHY_vars_UE->frame_parms.nb_antennas_rx;aa++) {
for (int aa=0; aa<PHY_vars_UE->frame_parms.nb_antennas_rx; aa++) {
data_p = (int16_t *) &(PHY_vars_UE->common_vars.rxdata[aa][0]);
int frequency_switch = samples_for_frame/LTE_NUMBER_OF_SUBFRAMES_PER_FRAME;
int frequency_step = 0;
double beat = (2*M_PI*FREQUENCY_15_MHZ)/(SAMPLING_RATE);
for (int i=0; i< samples_for_frame; i++) {
switch(data_format) {
case ZERO_DATA:
{
case ZERO_DATA: {
/* all data are forced to zero */
random = 0;
break;
}
case SINUSOIDAL_DATA:
{
case SINUSOIDAL_DATA: {
/* sinusoidal signal */
n = cos(beat*i);
random = n * (amp * SCALING_SINUSOIDAL_DATA);
frequency_step++;
if (frequency_step == frequency_switch) {
beat = beat/2; /* frequency is divided by 2 */
//printf("frequency %f at %d\n", (beat/2*M_PI), i);
frequency_step = 0;
}
//printf("%d : cos %d %d \n", i, n, random);
break;
}
case RANDOM_DATA:
{
case RANDOM_DATA: {
/* random data can take any value between -SHRT_MAX and SHRT_MAX */
/* in this case one can use maxim value for uint16 because there is no saturation */
#define SCALING_RANDOM_DATA (24) /* 48 is max value without decimation */
#define RANDOM_MAX_AMP (amp * SCALING_RANDOM_DATA)
#define SCALING_RANDOM_DATA (24) /* 48 is max value without decimation */
#define RANDOM_MAX_AMP (amp * SCALING_RANDOM_DATA)
random = ((rand() % RANDOM_MAX_AMP) - RANDOM_MAX_AMP/2);
break;
}
case RANDOM_MAX_DATA:
{
case RANDOM_MAX_DATA: {
/* random data can take only two value (-RANDOM_MAX) or RANDOM_MAX */
/* In this case saturation can occur with value of scaling_value greater than 23 */
#define SCALING_RANDOM_MAX_DATA (8)
#define RANDOM_VALUE (amp * SCALING_RANDOM_DATA)
#define SCALING_RANDOM_MAX_DATA (8)
#define RANDOM_VALUE (amp * SCALING_RANDOM_DATA)
const int random_number[2] = {-1,+1};
random = random_number[rand()%2] * RANDOM_VALUE;
break;
}
default:
{
default: {
printf("Format of data is undefined \n");
assert(0);
break;
......@@ -396,12 +366,13 @@ random_data_format_t data_format = SINUSOIDAL_DATA;
data_p[2*i] = random;
data_p[2*i+1] = random;
#if 0
if (i < 10) {
printf("random %d \n", random);
printf("data[%d] : %d %d at address %p \n", i, data_p[2*i], data_p[2*i+1], &data_p[2*i]);
}
#endif
}
}
......@@ -421,23 +392,22 @@ random_data_format_t data_format = SINUSOIDAL_DATA;
*
*********************************************************************/
int set_pss_in_rx_buffer_from_external_buffer(PHY_VARS_NR_UE *PHY_vars_UE, short *input_buffer)
{
int set_pss_in_rx_buffer_from_external_buffer(PHY_VARS_NR_UE *PHY_vars_UE, short *input_buffer) {
NR_DL_FRAME_PARMS *frame_parms = &(PHY_vars_UE->frame_parms);
int samples_for_frame = LTE_NUMBER_OF_SUBFRAMES_PER_FRAME*frame_parms->samples_per_subframe; /* both i and q */
for (int aa=0;aa<PHY_vars_UE->frame_parms.nb_antennas_rx;aa++) {
for (int aa=0; aa<PHY_vars_UE->frame_parms.nb_antennas_rx; aa++) {
for (int i = 0; i < samples_for_frame; i++) {
((int16_t*)PHY_vars_UE->common_vars.rxdata[aa])[2*i] = input_buffer[2*i]; /* real part */
((int16_t*)PHY_vars_UE->common_vars.rxdata[aa])[2*i+1] = input_buffer[2*i+1]; /* imaginary part */
((int16_t *)PHY_vars_UE->common_vars.rxdata[aa])[2*i] = input_buffer[2*i]; /* real part */
((int16_t *)PHY_vars_UE->common_vars.rxdata[aa])[2*i+1] = input_buffer[2*i+1]; /* imaginary part */
}
}
/* check that sequence has been properly copied */
for (int aa=0;aa<PHY_vars_UE->frame_parms.nb_antennas_rx;aa++) {
for (int aa=0; aa<PHY_vars_UE->frame_parms.nb_antennas_rx; aa++) {
for (int i=0; i<samples_for_frame; i++) {
if ((input_buffer[2*i] != ((int16_t*)PHY_vars_UE->common_vars.rxdata[aa])[2*i])
|| (input_buffer[2*i+1] != ((int16_t*)PHY_vars_UE->common_vars.rxdata[aa])[2*i+1])) {
if ((input_buffer[2*i] != ((int16_t *)PHY_vars_UE->common_vars.rxdata[aa])[2*i])
|| (input_buffer[2*i+1] != ((int16_t *)PHY_vars_UE->common_vars.rxdata[aa])[2*i+1])) {
printf("Sequence pss was not properly copied into received buffer at index %d \n", i);
exit(-1);
}
......@@ -469,15 +439,13 @@ int set_pss_in_rx_buffer_from_external_buffer(PHY_VARS_NR_UE *PHY_vars_UE, short
*
*********************************************************************/
int set_pss_in_rx_buffer(PHY_VARS_NR_UE *PHY_vars_UE, int position_symbol, int pss_sequence_number)
{
int set_pss_in_rx_buffer(PHY_VARS_NR_UE *PHY_vars_UE, int position_symbol, int pss_sequence_number) {
NR_DL_FRAME_PARMS *frame_parms = &(PHY_vars_UE->frame_parms);
int samples_for_frame = frame_parms->samples_per_frame;
int16_t *pss_sequence_time;
if ((position_symbol > samples_for_frame)
|| ((position_symbol + frame_parms->ofdm_symbol_size) > samples_for_frame))
{
|| ((position_symbol + frame_parms->ofdm_symbol_size) > samples_for_frame)) {
printf("This pss sequence can not be fully written in the received window \n");
return (-1);
}
......@@ -489,18 +457,18 @@ int set_pss_in_rx_buffer(PHY_VARS_NR_UE *PHY_vars_UE, int position_symbol, int p
pss_sequence_time = primary_synchro_time_nr[pss_sequence_number];
for (int aa=0;aa<PHY_vars_UE->frame_parms.nb_antennas_rx;aa++) {
for (int aa=0; aa<PHY_vars_UE->frame_parms.nb_antennas_rx; aa++) {
for (int i = 0; i < frame_parms->ofdm_symbol_size; i++) {
((int16_t*)PHY_vars_UE->common_vars.rxdata[aa])[(position_symbol*2) + (2*i)] = pss_sequence_time[2*i]; /* real part */
((int16_t*)PHY_vars_UE->common_vars.rxdata[aa])[(position_symbol*2) + (2*i+1)] = pss_sequence_time[2*i+1]; /* imaginary part */
((int16_t *)PHY_vars_UE->common_vars.rxdata[aa])[(position_symbol*2) + (2*i)] = pss_sequence_time[2*i]; /* real part */
((int16_t *)PHY_vars_UE->common_vars.rxdata[aa])[(position_symbol*2) + (2*i+1)] = pss_sequence_time[2*i+1]; /* imaginary part */
}
}
/* check that sequence has been properly copied */
for (int aa=0;aa<PHY_vars_UE->frame_parms.nb_antennas_rx;aa++) {
for (int aa=0; aa<PHY_vars_UE->frame_parms.nb_antennas_rx; aa++) {
for (int i=0; i<(frame_parms->ofdm_symbol_size); i++) {
if ((pss_sequence_time[2*i] != ((int16_t*)PHY_vars_UE->common_vars.rxdata[aa])[(position_symbol*2) + (2*i)])
|| (pss_sequence_time[2*i+1] != ((int16_t*)PHY_vars_UE->common_vars.rxdata[aa])[(position_symbol*2) + (2*i+1)])) {
if ((pss_sequence_time[2*i] != ((int16_t *)PHY_vars_UE->common_vars.rxdata[aa])[(position_symbol*2) + (2*i)])
|| (pss_sequence_time[2*i+1] != ((int16_t *)PHY_vars_UE->common_vars.rxdata[aa])[(position_symbol*2) + (2*i+1)])) {
printf("Sequence pss was not properly copied into received buffer at index %d \n", i);
exit(-1);
}
......@@ -528,11 +496,9 @@ int set_pss_in_rx_buffer(PHY_VARS_NR_UE *PHY_vars_UE, int position_symbol, int p
*
*********************************************************************/
void set_sequence_pss(PHY_VARS_NR_UE *PHY_vars_UE, int position_symbol, int pss_sequence_number)
{
void set_sequence_pss(PHY_VARS_NR_UE *PHY_vars_UE, int position_symbol, int pss_sequence_number) {
NR_DL_FRAME_PARMS *frame_parms = &(PHY_vars_UE->frame_parms);
int samples_for_frame = frame_parms->samples_per_frame;
/* initialise received ue data with random */
set_random_rx_buffer(PHY_vars_UE, AMP);
......@@ -546,6 +512,7 @@ void set_sequence_pss(PHY_VARS_NR_UE *PHY_vars_UE, int position_symbol, int pss_
printf("This position for pss sequence %d is not supported because it exceeds the frame length %d!\n", position_symbol, samples_for_frame);
exit(0);
}
if (set_pss_in_rx_buffer(PHY_vars_UE, position_symbol, pss_sequence_number) != 0)
printf("Warning: pss sequence can not be properly written into received buffer !\n");
}
......
openair1/SIMULATION/NR_UE_PHY/unit_tests/src/pucch_uci_generator_test.c
View file @ 4df26768
......@@ -17,39 +17,38 @@
#define TST_THREAD_ID (0)
int test_pucch_generators(PHY_VARS_NR_UE *ue)
{
int test_pucch_generators(PHY_VARS_NR_UE *ue) {
int gNB_id = TST_GNB_ID_0;
int thread_number = TST_THREAD_ID;
int TB_identifier = 0;
int v_return = 0;
pucch_format_nr_t format = pucch_format2_nr;
uint8_t starting_symbol_index;
uint8_t nb_symbols_total = 4;
uint16_t starting_prb = 0;; /* it can be considered as first hop on case of pucch hopping */
uint16_t second_hop = 0; /* second part for pucch for hopping */
uint8_t nb_of_prbs = 1;
switch (format){
switch (format) {
case pucch_format0_nr:
nb_symbols_total = 2;
nb_of_prbs = 1;
starting_symbol_index = 0;
break;
case pucch_format1_nr:
nb_symbols_total = 5;
nb_of_prbs = 1;
starting_symbol_index = 0;
break;
case pucch_format2_nr:
nb_symbols_total = 2;
nb_of_prbs = 16;
starting_symbol_index = 0;
break;
}
int m_0 = 0; /* format 0 only */
int m_CS = 0; /* for all format except for format 0 */
int index_additional_dmrs = I_PUCCH_NO_ADDITIONAL_DMRS;
......@@ -61,9 +60,9 @@ int test_pucch_generators(PHY_VARS_NR_UE *ue)
int tx_amp = 512;
int nr_tti_tx = 0;
int N_UCI = 0; /* size in bits for Uplink Control Information */
switch(format) {
case pucch_format0_nr:
{
case pucch_format0_nr: {
nr_generate_pucch0(ue,ue->common_vars.txdataF,
&ue->frame_parms,
&ue->pucch_config_dedicated_nr[gNB_id],
......@@ -76,8 +75,8 @@ int test_pucch_generators(PHY_VARS_NR_UE *ue)
starting_prb);
break;
}
case pucch_format1_nr:
{
case pucch_format1_nr: {
nr_generate_pucch1(ue,ue->common_vars.txdataF,
&ue->frame_parms,
&ue->pucch_config_dedicated_nr[gNB_id],
......@@ -93,8 +92,8 @@ int test_pucch_generators(PHY_VARS_NR_UE *ue)
(uint8_t)N_UCI);
break;
}
case pucch_format2_nr:
{
case pucch_format2_nr: {
nr_generate_pucch2(ue,
ue->pdcch_vars[ue->current_thread_id[nr_tti_tx]][gNB_id]->crnti,
ue->common_vars.txdataF,
......@@ -110,9 +109,9 @@ int test_pucch_generators(PHY_VARS_NR_UE *ue)
(uint8_t)N_UCI);
break;
}
case pucch_format3_nr:
case pucch_format4_nr:
{
case pucch_format4_nr: {
nr_generate_pucch3_4(ue,
ue->pdcch_vars[ue->current_thread_id[nr_tti_tx]][gNB_id]->crnti,
ue->common_vars.txdataF,
......@@ -138,8 +137,7 @@ int test_pucch_generators(PHY_VARS_NR_UE *ue)
}
int main(int argc, char *argv[])
{
int main(int argc, char *argv[]) {
uint8_t transmission_mode = 1;
uint8_t nb_antennas_tx = 1;
uint8_t nb_antennas_rx = 1;
......@@ -149,7 +147,6 @@ int main(int argc, char *argv[])
int Nid_cell[] = {(3*1+3)};
VOID_PARAMETER argc;
VOID_PARAMETER argv;
printf(" PUCCH TEST \n");
printf("-----------\n");
......@@ -160,12 +157,10 @@ int main(int argc, char *argv[])
if (test_pucch_generators(PHY_vars_UE) != 0) {
printf("\nTest PUCCH is fail \n");
}
else {
} else {
printf("\nTest PUCCH is pass \n");
}
free_context_synchro_nr();
return(0);
}
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