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Commit bc53a0a7 authored by Ahmed's avatar Ahmed Committed by Thomas Schlichter
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indentation + some comments

parent e5fd0fcd
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Showing with 617 additions and 622 deletions
openair1/PHY/CODING/nr_segmentation.c
View file @ bc53a0a7
......@@ -34,7 +34,7 @@ int32_t nr_segmentation(unsigned char *input_buffer,
unsigned int B,
unsigned int *C,
unsigned int *K,
unsigned int *Zout,
unsigned int *Zout, // [hna] Zout is Zc
unsigned int *F)
{
......
openair1/PHY/NR_TRANSPORT/nr_dlsch_coding.c
View file @ bc53a0a7
......@@ -195,6 +195,9 @@ NR_gNB_DLSCH_t *new_gNB_dlsch(unsigned char Kmimo,
if (abstraction_flag==0) {
for (r=0; r<MAX_NUM_NR_DLSCH_SEGMENTS/bw_scaling; r++) {
// account for filler in first segment and CRCs for multiple segment case
// [hna] 8448 is the maximum CB size in NR
// 68*348 = 68*(maximum size of Zc)
// In section 5.3.2 in 38.212, the for loop is up to N + 2*Zc (maximum size of N is 66*Zc, therefore 68*Zc)
dlsch->harq_processes[i]->c[r] = (uint8_t*)malloc16(8448);
dlsch->harq_processes[i]->d[r] = (uint8_t*)malloc16(68*384); //max size for coded output
if (dlsch->harq_processes[i]->c[r]) {
......@@ -337,7 +340,7 @@ int nr_dlsch_encoding(unsigned char *a,
dlsch->harq_processes[harq_pid]->B,
&dlsch->harq_processes[harq_pid]->C,
&dlsch->harq_processes[harq_pid]->K,
pz,
pz, // [hna] pz is Zc
&dlsch->harq_processes[harq_pid]->F);
F = dlsch->harq_processes[harq_pid]->F;
......
openair1/PHY/NR_UE_TRANSPORT/nr_dlsch_decoding.c
View file @ bc53a0a7
......@@ -309,8 +309,9 @@ uint32_t nr_dlsch_decoding(PHY_VARS_NR_UE *phy_vars_ue,
harq_process->B,
&harq_process->C,
&harq_process->K,
&harq_process->Z,
&harq_process->Z, // [hna] Z is Zc
&harq_process->F);
p_decParams->Z = harq_process->Z;
#ifdef DEBUG_DLSCH_DECODING
......@@ -319,8 +320,10 @@ uint32_t nr_dlsch_decoding(PHY_VARS_NR_UE *phy_vars_ue,
printf("K %d C %d Z %d nl %d \n", harq_process->K, harq_process->C, p_decParams->Z, harq_process->Nl);
#endif
}
Coderate = (float) A /(float) G;
if ((A <=292) || ((A<=3824) && (Coderate <= 0.6667)) || Coderate <= 0.25){
if ((A <=292) || ((A<=3824) && (Coderate <= 0.6667)) || Coderate <= 0.25)
{
p_decParams->BG = 2;
if (Coderate < 0.3333){
p_decParams->R = 15;
......@@ -356,14 +359,12 @@ uint32_t nr_dlsch_decoding(PHY_VARS_NR_UE *phy_vars_ue,
p_decParams->numMaxIter = dlsch->max_ldpc_iterations;
p_decParams->outMode= 0;
err_flag = 0;
r_offset = 0;
unsigned char bw_scaling =1;
switch (frame_parms->N_RB_DL) {
case 106:
bw_scaling =2;
break;
......@@ -377,13 +378,14 @@ uint32_t nr_dlsch_decoding(PHY_VARS_NR_UE *phy_vars_ue,
LOG_E(PHY,"Illegal harq_process->C %d > %d\n",harq_process->C,MAX_NUM_NR_DLSCH_SEGMENTS/bw_scaling);
return((1+dlsch->max_ldpc_iterations));
}
#ifdef DEBUG_DLSCH_DECODING
printf("Segmentation: C %d, K %d\n",harq_process->C,harq_process->K);
#endif
opp_enabled=1;
Kr = harq_process->K;
Kr = harq_process->K; // [hna] overwrites this line "Kr = p_decParams->Z*kb"
Kr_bytes = Kr>>3;
K_bytes_F = Kr_bytes-(harq_process->F>>3);
......@@ -400,7 +402,7 @@ uint32_t nr_dlsch_decoding(PHY_VARS_NR_UE *phy_vars_ue,
#endif
nr_deinterleaving_ldpc(E,
harq_process->Qm,
harq_process->w[r],
harq_process->w[r], // [hna] w is e
dlsch_llr+r_offset);
//for (int i =0; i<16; i++)
......@@ -441,8 +443,7 @@ uint32_t nr_dlsch_decoding(PHY_VARS_NR_UE *phy_vars_ue,
#endif
LOG_E(PHY,"dlsch_decoding.c: Problem in rate_matching\n");
return(dlsch->max_ldpc_iterations);
} else
{
} else {
#if UE_TIMING_TRACE
stop_meas(dlsch_rate_unmatching_stats);
#endif
......@@ -460,12 +461,12 @@ uint32_t nr_dlsch_decoding(PHY_VARS_NR_UE *phy_vars_ue,
}
printf("decoder input(segment %d) :",r);
int i; for (i=0;i<(3*8*Kr_bytes)+12;i++)
int i;
for (i=0;i<(3*8*Kr_bytes)+12;i++)
printf("%d : %d\n",i,harq_process->d[r][i]);
printf("\n");
#endif
// printf("Clearing c, %p\n",harq_process->c[r]);
memset(harq_process->c[r],0,Kr_bytes);
......@@ -489,7 +490,6 @@ uint32_t nr_dlsch_decoding(PHY_VARS_NR_UE *phy_vars_ue,
//printf("harq process dr iteration %d\n", p_decParams->numMaxIter);
memset(pv,0,2*harq_process->Z*sizeof(int16_t));
//memset(pl,0,2*p_decParams->Z*sizeof(int8_t));
memset((pv+K_bytes_F),127,harq_process->F*sizeof(int16_t));
......@@ -506,9 +506,7 @@ uint32_t nr_dlsch_decoding(PHY_VARS_NR_UE *phy_vars_ue,
for (i=0, j=0; j < ((kc*p_decParams->Z)>>4); i+=2, j++)
{
pl[j] = _mm_packs_epi16(pv[i],pv[i+1]);
}
no_iteration_ldpc = nrLDPC_decoder(p_decParams,
......@@ -527,7 +525,6 @@ uint32_t nr_dlsch_decoding(PHY_VARS_NR_UE *phy_vars_ue,
ret = 1+dlsch->max_ldpc_iterations;
}
nb_total_decod++;
if (no_iteration_ldpc > dlsch->max_ldpc_iterations){
nb_error_decod++;
......@@ -792,6 +789,7 @@ uint32_t nr_dlsch_decoding_mthread(PHY_VARS_NR_UE *phy_vars_ue,
&harq_process->K,
&harq_process->Z,
&harq_process->F);
p_decParams->Z = harq_process->Z;
}
......@@ -842,7 +840,7 @@ uint32_t nr_dlsch_decoding_mthread(PHY_VARS_NR_UE *phy_vars_ue,
#endif
opp_enabled=1;
if (harq_process->C>1) { // wakeup worker if more than 1 segment
if (harq_process->C>1) { // wakeup worker if more than 1 segment
if (pthread_mutex_lock(&proc->mutex_dlsch_td) != 0) {
LOG_E( PHY, "[SCHED][UE %d][Slot0] error locking mutex for UE dlsch td\n",phy_vars_ue->Mod_id );
exit_fun("nothing to add");
......@@ -883,7 +881,6 @@ if (harq_process->C>1) { // wakeup worker if more than 1 segment
LOG_E( PHY, "[SCHED][UE %d][Slot0] error unlocking mutex for UE dlsch td \n",phy_vars_ue->Mod_id );
exit_fun("nothing to add");
}
} else
{
LOG_E( PHY, "[SCHED][UE %d] UE dlsch td thread busy (IC %d)!!\n", phy_vars_ue->Mod_id, proc->instance_cnt_dlsch_td);
......@@ -916,7 +913,6 @@ if (harq_process->C>1) { // wakeup worker if more than 1 segment
LOG_E( PHY, "[SCHED][UE %d][Slot0] error unlocking mutex for UE dlsch td \n",phy_vars_ue->Mod_id );
exit_fun("nothing to add");
}
} else
{
LOG_E( PHY, "[SCHED][UE %d] UE dlsch td thread 1 busy (IC %d)!!\n", phy_vars_ue->Mod_id, proc->instance_cnt_dlsch_td1);
......@@ -968,7 +964,7 @@ if (harq_process->C>1) { // wakeup worker if more than 1 segment
Cby2 = 1;
}
//for (r=0; r<Cby2; r++) {
//for (r=0; r<Cby2; r++) {
r = 0;
if (r==0) r_offset =0;
......@@ -1112,9 +1108,7 @@ if (harq_process->C>1) { // wakeup worker if more than 1 segment
for (i=0, j=0; j < ((kc*p_decParams->Z)>>4); i+=2, j++)
{
pl[j] = _mm_packs_epi16(pv[i],pv[i+1]);
}
no_iteration_ldpc = nrLDPC_decoder(p_decParams,
......@@ -1163,9 +1157,7 @@ if (harq_process->C>1) { // wakeup worker if more than 1 segment
for (int j=0; j < Kr>>3; j ++)
{
printf(" %d \n", ullrProcBuf[j]);
}
printf(" \n");*/
//printf("output channel decoder %d %d %d %d %d \n", harq_process->c[r][0], harq_process->c[r][1], harq_process->c[r][2],harq_process->c[r][3], harq_process->c[r][4]);
......
openair1/PHY/NR_UE_TRANSPORT/nr_ulsch_coding.c
View file @ bc53a0a7
......@@ -42,8 +42,6 @@
void free_nr_ue_ulsch(NR_UE_ULSCH_t *ulsch)
{
int i;
......@@ -88,6 +86,8 @@ void free_nr_ue_ulsch(NR_UE_ULSCH_t *ulsch)
}
NR_UE_ULSCH_t *new_nr_ue_ulsch(unsigned char N_RB_UL, int number_of_harq_pids, uint8_t abstraction_flag)
{
......
openair1/SIMULATION/NR_PHY/dlschsim.c
View file @ bc53a0a7
......@@ -404,7 +404,7 @@ int main(int argc, char **argv) {
r_im[i] = malloc(frame_length_complex_samples * sizeof(double));
bzero(r_im[i], frame_length_complex_samples * sizeof(double));
txdata[i] = malloc(frame_length_complex_samples * sizeof(int));
bzero(r_re[i], frame_length_complex_samples * sizeof(int));
bzero(r_re[i], frame_length_complex_samples * sizeof(int)); // [hna] r_re should be txdata
}
if (pbch_file_fd != NULL) {
......@@ -480,7 +480,7 @@ int main(int argc, char **argv) {
rel15->nb_layers = Nl;
rel15->nb_re_dmrs = nb_re_dmrs;
rel15->transport_block_size = TBS;
double *modulated_input = malloc16(sizeof(double) * 16 * 68 * 384);
double *modulated_input = malloc16(sizeof(double) * 16 * 68 * 384); // [hna] 16 segments, 68*Zc
short *channel_output_fixed = malloc16(sizeof(short) * 16 * 68 * 384);
short *channel_output_uncoded = malloc16(sizeof(unsigned short) * 16 * 68 * 384);
double errors_bit_uncoded = 0;
......
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