maki/openairinterface5g
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

nr PUCCH development: call to pucch generation functions

Browse Source
This commit is contained in:
root
2018-08-17 16:51:28 +02:00
parent 25a136afca
commit a8458d3156
2 changed files with 101 additions and 24 deletions
Download Patch File Download Diff File Expand all files Collapse all files
openair1/PHY/NR_UE_TRANSPORT/pucch_nr.c
+34 -24
View File
@@ -307,7 +307,7 @@
void nr_group_sequence_hopping (uint8_t PUCCH_GroupHopping,
uint32_t n_id,
uint8_t n_hop,
uint8_t nr_tti_rx,
int nr_tti_tx,
uint8_t *u,
uint8_t *v) {
/*
@@ -336,14 +336,14 @@ void nr_group_sequence_hopping (uint8_t PUCCH_GroupHopping,
}
if (PUCCH_GroupHopping == 1){ // PUCCH_GroupHopping 'enabled'
for (int m=0; m<8; m++){
f_gh = f_gh + ((1<<m)*((uint8_t)((s>>(8*(2*nr_tti_rx+n_hop)+m))&1))); // Not sure we have to use nr_tti_rx FIXME!!!
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 == 2){ // PUCCH_GroupHopping 'disabled'
f_ss = n_id%30;
*v = (uint8_t)((s>>(2*nr_tti_rx+n_hop))&1); // Not sure we have to use nr_tti_rx 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
@@ -355,7 +355,7 @@ double nr_cyclic_shift_hopping(uint32_t n_id,
uint8_t mcs,
uint8_t lnormal,
uint8_t lprime,
uint8_t nr_tti_rx) {
int nr_tti_tx) {
/*
* Implements TS 38.211 subclause 6.3.2.2.2 Cyclic shift hopping
* - n_id: higher-layer parameter hoppingId
@@ -373,8 +373,8 @@ double nr_cyclic_shift_hopping(uint32_t n_id,
printf("\t\t [nr_cyclic_shift_hopping] calculating alpha (cyclic shift) -> ");
#endif
for (int m=0; m<8; m++){
// calculating n_cs (Not sure we have to use nr_tti_rx FIXME!!!)
n_cs = n_cs+((1<<m)*((uint8_t)((s>>((14*8*nr_tti_rx) + 8*(lnormal+lprime) + m))&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
@@ -386,11 +386,11 @@ void nr_generate_pucch0(int32_t **txdataF,
NR_DL_FRAME_PARMS *frame_parms,
PUCCH_CONFIG_DEDICATED *pucch_config_dedicated,
int16_t amp,
uint8_t nr_tti_rx,
int nr_tti_tx,
uint8_t mcs,
uint8_t nrofSymbols,
uint8_t startingSymbolIndex,
uint8_t startingPRB) {
uint16_t startingPRB) {
#ifdef DEBUG_NR_PUCCH_TX
printf("\t [nr_generate_pucch0] start function\n");
#endif
@@ -462,8 +462,8 @@ void nr_generate_pucch0(int32_t **txdataF,
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(PUCCH_GroupHopping,n_id,n_hop,nr_tti_rx,&u,&v); // calculating u and v value
alpha = nr_cyclic_shift_hopping(n_id,m0,mcs,l,startingSymbolIndex,nr_tti_rx);
nr_group_sequence_hopping(PUCCH_GroupHopping,n_id,n_hop,nr_tti_tx,&u,&v); // calculating u and v value
alpha = nr_cyclic_shift_hopping(n_id,m0,mcs,l,startingSymbolIndex,nr_tti_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
@@ -524,11 +524,11 @@ void nr_generate_pucch1(int32_t **txdataF,
PUCCH_CONFIG_DEDICATED *pucch_config_dedicated,
uint64_t payload,
int16_t amp,
uint8_t nr_tti_rx,
int nr_tti_tx,
uint8_t nrofSymbols,
uint8_t startingSymbolIndex,
uint8_t startingPRB,
uint8_t startingPRB_intraSlotHopping,
uint16_t startingPRB,
uint16_t startingPRB_intraSlotHopping,
uint8_t timeDomainOCC,
uint8_t nr_bit) {
#ifdef DEBUG_NR_PUCCH_TX
@@ -657,12 +657,22 @@ void nr_generate_pucch1(int32_t **txdataF,
// Intra-slot frequency hopping shall be assumed when the higher-layer parameter intraSlotFrequencyHopping is provided,
// regardless of whether the frequency-hop distance is zero or not,
// otherwise no intra-slot frequency hopping shall be assumed
//uint8_t PUCCH_Frequency_Hopping = 0 ; // from higher layers. Let's suppose we do not support intra-slot hopping FIXME!!
//uint8_t PUCCH_Frequency_Hopping = 0 ; // from higher layers
uint8_t intraSlotFrequencyHopping = 0;
if (startingPRB != startingPRB_intraSlotHopping){
intraSlotFrequencyHopping=1;
#ifdef DEBUG_NR_PUCCH_TX
printf("\t [nr_generate_pucch1] intraSlotFrequencyHopping%d \n",intraSlotFrequencyHopping);
#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
}
// y_n contains the complex value d multiplied by the sequence r_u_v
int16_t y_n_re[12],y_n_im[12];
nr_group_sequence_hopping(PUCCH_GroupHopping,n_id,n_hop,nr_tti_rx,&u,&v); // calculating u and v value
alpha = nr_cyclic_shift_hopping(n_id,m0,mcs,lnormal,lprime,nr_tti_rx);
nr_group_sequence_hopping(PUCCH_GroupHopping,n_id,n_hop,nr_tti_tx,&u,&v); // calculating u and v value
alpha = nr_cyclic_shift_hopping(n_id,m0,mcs,lnormal,lprime,nr_tti_tx);
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
@@ -839,7 +849,7 @@ inline void nr_pucch2_3_4_scrambling(uint16_t M_bit,uint16_t rnti,uint16_t n_id,
int i;
uint8_t c;
// c_init=nRNTI*2^15+n_id according to TS 38.211 Subclause 6.3.2.6.1
//x2 = (rnti) + ((uint32_t)(1+nr_tti_rx)<<16)*(1+(fp->Nid_cell<<1));
//x2 = (rnti) + ((uint32_t)(1+nr_tti_tx)<<16)*(1+(fp->Nid_cell<<1));
x2 = ((rnti)<<15)+n_id;
s = lte_gold_generic(&x1, &x2, 1);
#ifdef DEBUG_NR_PUCCH_TX
@@ -943,11 +953,11 @@ void nr_generate_pucch2(int32_t **txdataF,
PUCCH_CONFIG_DEDICATED *pucch_config_dedicated,
uint64_t payload,
int16_t amp,
uint8_t nr_tti_rx,
int nr_tti_tx,
uint8_t nrofSymbols,
uint8_t startingSymbolIndex,
uint8_t nrofPRB,
uint8_t startingPRB,
uint16_t startingPRB,
uint8_t nr_bit) {
#ifdef DEBUG_NR_PUCCH_TX
printf("\t [nr_generate_pucch2] start function with payload=%d and nr_bit=%d\n", payload, nr_bit);
@@ -1023,7 +1033,7 @@ void nr_generate_pucch2(int32_t **txdataF,
int i=0;
int m=0;
for (int l=0; l<nrofSymbols; l++) {
x2 = (((1<<17)*((14*nr_tti_rx) + (l+startingSymbolIndex) + 1)*((2*n_id) + 1)) + (2*n_id))%(1<<31); // c_init calculation according to TS38.211 subclause
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);
for (int rb=0; rb<nrofPRB; rb++){
//startingPRB = startingPRB + rb;
@@ -1084,11 +1094,11 @@ void nr_generate_pucch3_4(int32_t **txdataF,
PUCCH_CONFIG_DEDICATED *pucch_config_dedicated,
uint64_t payload,
int16_t amp,
uint8_t nr_tti_rx,
int nr_tti_tx,
uint8_t nrofSymbols,
uint8_t startingSymbolIndex,
uint8_t nrofPRB,
uint8_t startingPRB,
uint16_t startingPRB,
uint8_t nr_bit,
uint8_t occ_length_format4,
uint8_t occ_index_format4) {
@@ -1336,7 +1346,7 @@ void nr_generate_pucch3_4(int32_t **txdataF,
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);
nr_group_sequence_hopping(PUCCH_GroupHopping,n_id,n_hop,nr_tti_rx,&u,&v); // calculating u and v value
nr_group_sequence_hopping(PUCCH_GroupHopping,n_id,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
uint8_t list_of_prime_numbers[46] = {2, 3, 5, 7, 11, 13, 17, 19, 23, 29,
@@ -1401,7 +1411,7 @@ void nr_generate_pucch3_4(int32_t **txdataF,
uint16_t k=0;
for (int l=0; l<nrofSymbols; l++) {
uint16_t j=0;
alpha = nr_cyclic_shift_hopping(n_id,m0,mcs,l,startingSymbolIndex,nr_tti_rx);
alpha = nr_cyclic_shift_hopping(n_id,m0,mcs,l,startingSymbolIndex,nr_tti_tx);
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
openair1/SCHED_NR_UE/pucch_uci_ue_nr.c
+67
View File
@@ -482,6 +482,73 @@ bool pucch_procedures_ue_nr(PHY_VARS_NR_UE *ue, uint8_t gNB_id, UE_nr_rxtx_proc_
nb_of_prbs, N_sc_ctrl_RB, nb_symbols, N_UCI, O_SR, O_CSI, O_ACK,
O_CRC, n_HARQ_ACK);
switch(format) {
case pucch_format0_nr:
{
nr_generate_pucch0(ue->common_vars.txdataF,
&ue->frame_parms,
&ue->pucch_config_dedicated_nr[gNB_id],
pucch_tx_power,
nr_tti_tx,
(uint8_t)m_CS,
nb_symbols,
starting_symbol_index,
starting_prb);
break;
}
case pucch_format1_nr:
{
nr_generate_pucch1(ue->common_vars.txdataF,
&ue->frame_parms,
&ue->pucch_config_dedicated_nr[gNB_id],
pucch_payload,
pucch_tx_power,
nr_tti_tx,
nb_symbols,
starting_symbol_index,
starting_prb,
second_hop,
(uint8_t)time_domain_occ,
(uint8_t)N_UCI);
break;
}
case pucch_format2_nr:
{
nr_generate_pucch2(ue->common_vars.txdataF,
&ue->frame_parms,
&ue->pucch_config_dedicated_nr[gNB_id],
pucch_payload,
pucch_tx_power,
nr_tti_tx,
nb_symbols,
starting_symbol_index,
nb_of_prbs,
starting_prb,
(uint8_t)N_UCI);
break;
}
case pucch_format3_nr:
case pucch_format4_nr:
{
nr_generate_pucch3_4(ue->common_vars.txdataF,
&ue->frame_parms,
format,
&ue->pucch_config_dedicated_nr[gNB_id],
pucch_payload,
pucch_tx_power,
nr_tti_tx,
nb_symbols,
starting_symbol_index,
nb_of_prbs,
starting_prb,
(uint8_t)N_UCI,
(uint8_t)occ_length,
(uint8_t)occ_Index);
break;
}
}
return (TRUE);
}