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configuration of pucch0 rx from fapi structure

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This commit is contained in:
Francesco Mani
2020-02-04 15:36:47 +01:00
parent 59fc607c4e
commit b1d259663e
2 changed files with 28 additions and 40 deletions
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openair1/PHY/NR_TRANSPORT/pucch_rx.c
+22 -28
View File
@@ -18,27 +18,25 @@
#include "T.h"
void nr_decode_pucch0( int32_t **rxdataF,
pucch_GroupHopping_t pucch_GroupHopping,
uint32_t n_id, // hoppingID higher layer parameter
uint64_t *payload,
NR_DL_FRAME_PARMS *frame_parms,
int16_t amp,
int nr_tti_tx,
uint8_t m0, // should come from resource set
uint8_t nrofSymbols, // should come from resource set
uint8_t startingSymbolIndex, // should come from resource set
uint16_t startingPRB, // should come from resource set
uint8_t nr_bit) { // is number of UCI bits to be decoded
void nr_decode_pucch0(int32_t **rxdataF,
uint64_t *payload,
NR_DL_FRAME_PARMS *frame_parms,
int slot,
int16_t amp,
nfapi_nr_pucch_pdu_t* pucch_pdu) {
int nr_sequences;
const uint8_t *mcs;
if(nr_bit==1){
pucch_GroupHopping_t pucch_GroupHopping = pucch_pdu->group_hop_flag + (pucch_pdu->sequence_hop_flag<<1);
if(pucch_pdu->bit_len_harq==1){
mcs=table1_mcs;
nr_sequences=4;
nr_sequences=4>>(1-pucch_pdu->sr_flag);
}
else{
mcs=table2_mcs;
nr_sequences=8;
nr_sequences=8>>(1-pucch_pdu->sr_flag);
}
/*
* Implement TS 38.211 Subclause 6.3.2.3.1 Sequence generation
@@ -53,8 +51,6 @@ void nr_decode_pucch0( int32_t **rxdataF,
//uint8_t lnormal;
// lprime is the index of the OFDM symbol in the slot that corresponds to the first OFDM symbol of the PUCCH transmission in the slot given by [5, TS 38.213]
//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:
@@ -73,19 +69,17 @@ void nr_decode_pucch0( int32_t **rxdataF,
// if frequency hopping is enabled by the higher-layer parameter PUCCH-frequency-hopping
// n_hop = 0 for first hop
// n_hop = 1 for second hop
uint8_t n_hop = 0;
//uint8_t PUCCH_Frequency_Hopping; // from higher layers FIXME!!
uint8_t n_hop = 0; // Frequnecy hopping not implemented FIXME!!
// x_n contains the sequence r_u_v_alpha_delta(n)
int16_t x_n_re[nr_sequences][24],x_n_im[nr_sequences][24];
int n,i,l;
for(i=0;i<nr_sequences;i++){
// we proceed to calculate alpha according to TS 38.211 Subclause 6.3.2.2.2
for (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_tx,&u,&v); // calculating u and v value
alpha = nr_cyclic_shift_hopping(n_id,m0,mcs[i],l,startingSymbolIndex,nr_tti_tx);
for (l=0; l<pucch_pdu->nr_of_symbols; l++){
nr_group_sequence_hopping(pucch_GroupHopping,pucch_pdu->hopping_id,n_hop,slot,&u,&v); // calculating u and v value
alpha = nr_cyclic_shift_hopping(pucch_pdu->hopping_id,pucch_pdu->initial_cyclic_shift,mcs[i],l,pucch_pdu->start_symbol_index,slot);
#ifdef DEBUG_NR_PUCCH_RX
printf("\t [nr_generate_pucch0] sequence generation \tu=%d \tv=%d \talpha=%lf \t(for symbol l=%d)\n",u,v,alpha,l);
#endif
@@ -108,10 +102,10 @@ void nr_decode_pucch0( int32_t **rxdataF,
uint32_t re_offset=0;
uint8_t l2;
for (l=0; l<nrofSymbols; l++) {
for (l=0; l<pucch_pdu->nr_of_symbols; l++) {
l2 = l+startingSymbolIndex;
re_offset = (12*startingPRB) + frame_parms->first_carrier_offset;
l2 = l+pucch_pdu->start_symbol_index;
re_offset = (12*pucch_pdu->prb_start) + frame_parms->first_carrier_offset;
if (re_offset>= frame_parms->ofdm_symbol_size)
re_offset-=frame_parms->ofdm_symbol_size;
@@ -135,7 +129,7 @@ void nr_decode_pucch0( int32_t **rxdataF,
memset(corr_re,0,nr_sequences*sizeof(double));
memset(corr_im,0,nr_sequences*sizeof(double));
for(i=0;i<nr_sequences;i++){
for(l=0;l<nrofSymbols;l++){
for(l=0;l<pucch_pdu->nr_of_symbols;l++){
for(n=0;n<12;n++){
corr_re[i]+= (double)(r_re[12*l+n])/32767*(double)(x_n_re[i][12*l+n])/32767+(double)(r_im[12*l+n])/32767*(double)(x_n_im[i][12*l+n])/32767;
corr_im[i]+= (double)(r_re[12*l+n])/32767*(double)(x_n_im[i][12*l+n])/32767-(double)(r_im[12*l+n])/32767*(double)(x_n_re[i][12*l+n])/32767;
openair1/PHY/NR_UE_TRANSPORT/pucch_nr.h
+6 -12
View File
@@ -57,18 +57,12 @@ void nr_decode_pucch1( int32_t **rxdataF,
uint8_t timeDomainOCC,
uint8_t nr_bit);
void nr_decode_pucch0( int32_t **rxdataF,
pucch_GroupHopping_t PUCCH_GroupHopping,
uint32_t n_id, //PHY_VARS_gNB *gNB, generally rxdataf is in gNB->common_vars
uint64_t *payload,
NR_DL_FRAME_PARMS *frame_parms,
int16_t amp,
int nr_tti_tx,
uint8_t m0, // should come from resource set
uint8_t nrofSymbols, // should come from resource set
uint8_t startingSymbolIndex, // should come from resource set
uint16_t startingPRB, // should come from resource set
uint8_t nr_bit);
void nr_decode_pucch0(int32_t **rxdataF,
uint64_t *payload,
NR_DL_FRAME_PARMS *frame_parms,
int slot,
int16_t amp,
nfapi_nr_pucch_pdu_t* pucch_pdu);
void nr_group_sequence_hopping (pucch_GroupHopping_t PUCCH_GroupHopping,
uint32_t n_id,