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

adding mcs tables and using good mcs for tbs computation

Browse Source
This commit is contained in:
Francesco Mani
2019-09-27 17:07:16 +02:00
parent d351060b6b
commit 57c01460c6
16 changed files with 229 additions and 152 deletions
Download Patch File Download Diff File Expand all files Collapse all files
nfapi/open-nFAPI/nfapi/public_inc/nfapi_nr_interface.h
+1
View File
@@ -694,6 +694,7 @@ typedef struct {
nr_pusch_freq_hopping_t pusch_freq_hopping;
uint8_t mcs;
uint8_t Qm;
uint16_t R;
uint8_t ndi;
uint8_t rv;
int8_t accumulated_delta_PUSCH;
openair1/PHY/CODING/coding_defs.h
+7 -6
View File
@@ -457,12 +457,13 @@ int32_t nr_segmentation(unsigned char *input_buffer,
unsigned int *F,
uint8_t BG);
uint32_t nr_compute_tbs(uint8_t mcs,
uint16_t nb_rb,
uint16_t nb_symb_sch,
uint8_t nb_re_dmrs,
uint16_t length_dmrs,
uint8_t Nl);
uint32_t nr_compute_tbs(uint16_t Qm,
uint16_t R,
uint16_t nb_rb,
uint16_t nb_symb_sch,
uint8_t nb_re_dmrs,
uint16_t length_dmrs,
uint8_t Nl);
void nr_interleaving_ldpc(uint32_t E, uint8_t Qm, uint8_t *e,uint8_t *f);
openair1/PHY/CODING/nr_compute_tbs.c
+15 -19
View File
@@ -25,33 +25,29 @@
*/
#include "PHY/defs_nr_UE.h"
//#include "SCHED/extern.h"
#define INDEX_MAX_TBS_TABLE (93)
//Table 5.1.3.1-1
uint16_t Mcsindextable1[29][2] = {{2,120},{2,157},{2,193},{2,251},{2,308},{2,379},{2,449},{2,526},{2,602},{2,679},{4,340},{4,378},{4,434},{4,490},{4,553},{4,616},
{4,658},{6,438},{6,466},{6,517},{6,567},{6,616},{6,666},{6,719},{6,772},{6,822},{6,873}, {6,910}, {6,948}};
//Table 5.1.2.2-2
uint16_t Tbstable_nr[INDEX_MAX_TBS_TABLE] = {24,32,40,48,56,64,72,80,88,96,104,112,120,128,136,144,152,160,168,176,184,192,208,224,240,256,272,288,304,320,336,352,368,384,408,432,456,480,504,528,552,576,608,640,672,704,736,768,808,848,888,928,984,1032,1064,1128,1160,1192,1224,1256,1288,1320,1352,1416,1480,1544,1608,1672,1736,1800,1864,1928,2024,2088,2152,2216,2280,2408,2472,2536,2600,2664,2728,2792,2856,2976,3104,3240,3368,3496,3624,3752,3824};
uint32_t nr_compute_tbs(uint8_t mcs,
uint16_t nb_rb,
uint16_t nb_symb_sch,
uint8_t nb_re_dmrs,
uint16_t length_dmrs,
uint8_t Nl)
uint32_t nr_compute_tbs(uint16_t Qm,
uint16_t R,
uint16_t nb_rb,
uint16_t nb_symb_sch,
uint8_t nb_re_dmrs,
uint16_t length_dmrs,
uint8_t Nl)
{
uint16_t nbp_re, nb_re, nb_dmrs_prb, nb_rb_oh,Qm,R;
uint32_t nr_tbs=0;
double Ninfo,Np_info,n,C;
nb_rb_oh = 0; //set to 0 if not configured by higher layer
Qm = Mcsindextable1[mcs][0];
R = Mcsindextable1[mcs][1];
nb_dmrs_prb = nb_re_dmrs*length_dmrs;
uint16_t nbp_re, nb_re, nb_dmrs_prb, nb_rb_oh;
uint32_t nr_tbs=0;
double Ninfo,Np_info,n,C;
nbp_re = 12 * nb_symb_sch - nb_dmrs_prb - nb_rb_oh;
nb_rb_oh = 0; //set to 0 if not configured by higher layer
nb_dmrs_prb = nb_re_dmrs*length_dmrs;
nbp_re = 12 * nb_symb_sch - nb_dmrs_prb - nb_rb_oh;
nb_re = min(156, nbp_re) * nb_rb;
nb_re = min(156, nbp_re) * nb_rb;
// Intermediate number of information bits
Ninfo = (double)((nb_re * R * Qm * Nl)/1024);
openair1/PHY/NR_TRANSPORT/nr_dlsch_coding.c
+16 -11
View File
@@ -289,9 +289,11 @@ int nr_dlsch_encoding(unsigned char *a,int frame,
//uint8_t *d_tmp[MAX_NUM_DLSCH_SEGMENTS];
uint8_t BG=1;
uint32_t E;
uint8_t Ilbrm = 0;
uint8_t Ilbrm = 1;
uint32_t Tbslbrm = 950984; //max tbs
uint8_t nb_re_dmrs = rel15.nb_re_dmrs;
uint16_t R=rel15.coding_rate;
uint16_t Qm=rel15.modulation_order;
uint16_t length_dmrs = 1;
float Coderate = 0.0;
@@ -309,9 +311,8 @@ int nr_dlsch_encoding(unsigned char *a,int frame,
G = nr_get_G(nb_rb, nb_symb_sch, nb_re_dmrs, length_dmrs,mod_order,rel15.nb_layers);
LOG_D(PHY,"dlsch coding A %d G %d mod_order %d\n", A,G, mod_order);
Tbslbrm = nr_compute_tbs(28,nb_rb,frame_parms->symbols_per_slot,0,0, rel15.nb_layers);
Tbslbrm = nr_compute_tbs(Qm,R,nb_rb,frame_parms->symbols_per_slot,0,0, rel15.nb_layers);
// if (dlsch->harq_processes[harq_pid]->Ndi == 1) { // this is a new packet
if (dlsch->harq_processes[harq_pid]->round == 0) { // this is a new packet
@@ -340,7 +341,10 @@ int nr_dlsch_encoding(unsigned char *a,int frame,
memcpy(dlsch->harq_processes[harq_pid]->b,a,(A/8)+4);
Coderate = (float) A /(float) G;
if (R<1000)
Coderate = (float) R /(float) 1024;
else // to scale for mcs 20 and 26 in table 5.1.3.1-2 which are decimal and input 2* in nr_tbs_tools
Coderate = (float) R /(float) 2048;
if ((A <=292) || ((A<=3824) && (Coderate <= 0.6667)) || Coderate <= 0.25){
BG = 2;
@@ -410,13 +414,14 @@ int nr_dlsch_encoding(unsigned char *a,int frame,
for (r=0; r<dlsch->harq_processes[harq_pid]->C; r++) {
if (dlsch->harq_processes[harq_pid]->F>0) {
for (int k=(Kr-F-2*(*pz)); k<Kr-2*(*pz); k++) {
dlsch->harq_processes[harq_pid]->d[r][k] = NR_NULL;
//if (k<(Kr-F+8))
//printf("r %d filler bits [%d] = %d \n", r,k, dlsch->harq_processes[harq_pid]->d[r][k]);
}
}
if (dlsch->harq_processes[harq_pid]->F>0) {
for (int k=(Kr-F-2*(*pz)); k<Kr-2*(*pz); k++) {
dlsch->harq_processes[harq_pid]->d[r][k] = NR_NULL;
//if (k<(Kr-F+8))
//printf("r %d filler bits [%d] = %d \n", r,k, dlsch->harq_processes[harq_pid]->d[r][k]);
}
}
#ifdef DEBUG_DLSCH_CODING
printf("Rate Matching, Code segment %d (coded bits (G) %d,unpunctured/repeated bits per code segment %d,mod_order %d, nb_rb %d)...\n",
r,
openair1/PHY/NR_TRANSPORT/nr_tbs_tools.c
+63 -18
View File
@@ -32,31 +32,44 @@
#include "nr_transport_common_proto.h"
/// Target code rate tables indexed by Imcs
uint16_t nr_target_code_rate_table1[29] = {120, 157, 193, 251, 308, 379, 449, 526, 602, 679, 340, 378, 434, 490, 553, \
616, 658, 438, 466, 517, 567, 616, 666, 719, 772, 822, 873, 910, 948};
// Imcs values 20 and 26 have been multiplied by 2 to avoid the floating point
uint16_t nr_target_code_rate_table2[28] = {120, 193, 308, 449, 602, 378, 434, 490, 553, 616, 658, 466, 517, 567, \
616, 666, 719, 772, 822, 873, 1365, 711, 754, 797, 841, 885, 1833, 948};
uint16_t nr_target_code_rate_table3[29] = {30, 40, 50, 64, 78, 99, 120, 157, 193, 251, 308, 379, 449, 526, 602, 340, \
378, 434, 490, 553, 616, 438, 466, 517, 567, 616, 666, 719, 772};
//Table 5.1.3.1-1 of 38.214
uint16_t Table_51311[29][2] = {{2,120},{2,157},{2,193},{2,251},{2,308},{2,379},{2,449},{2,526},{2,602},{2,679},{4,340},{4,378},{4,434},{4,490},{4,553},{4,616},
{4,658},{6,438},{6,466},{6,517},{6,567},{6,616},{6,666},{6,719},{6,772},{6,822},{6,873}, {6,910}, {6,948}};
//Table 5.1.3.1-2 of 38.214
// Imcs values 20 and 26 have been multiplied by 2 to avoid the floating point
uint16_t Table_51312[28][2] = {{2,120},{2,193},{2,308},{2,449},{2,602},{4,378},{4,434},{4,490},{4,553},{4,616},{4,658},{6,466},{6,517},{6,567},{6,616},{6,666},
{6,719},{6,772},{6,822},{6,873},{8,1365},{8,711},{8,754},{8,797},{8,841},{8,885},{8,1833},{8,948}};
//Table 5.1.3.1-3 of 38.214
uint16_t Table_51313[29][2] = {{2,30},{2,40},{2,50},{2,64},{2,78},{2,99},{2,120},{2,157},{2,193},{2,251},{2,308},{2,379},{2,449},{2,526},{2,602},{4,340},
{4,378},{4,434},{4,490},{4,553},{4,616},{6,438},{6,466},{6,517},{6,567},{6,616},{6,666}, {6,719}, {6,772}};
//Table 6.1.4.1-1 of 38.214 TODO fix for tp-pi2BPSK
uint16_t Table_61411[28][2] = {{2,120},{2,157},{2,193},{2,251},{2,308},{2,379},{2,449},{2,526},{2,602},{2,679},{4,340},{4,378},{4,434},{4,490},{4,553},{4,616},
{4,658},{6,466},{6,517},{6,567},{6,616},{6,666},{6,719},{6,772},{6,822},{6,873}, {6,910}, {6,948}};
//Table 6.1.4.1-2 of 38.214 TODO fix for tp-pi2BPSK
uint16_t Table_61412[28][2] = {{2,30},{2,40},{2,50},{2,64},{2,78},{2,99},{2,120},{2,157},{2,193},{2,251},{2,308},{2,379},{2,449},{2,526},{2,602},{2,679},
{4,378},{4,434},{4,490},{4,553},{4,616},{4,658},{4,699},{4,772},{6,567},{6,616},{6,666}, {6,772}};
uint16_t nr_tbs_table[93] = {24, 32, 40, 48, 56, 64, 72, 80, 88, 96, 104, 112, 120, 128, 136, 144, 152, 160, 168, 176, 184, 192, 208, 224, 240, 256, 272, 288, 304, 320, \
336, 352, 368, 384, 408, 432, 456, 480, 504, 528, 552, 576, 608, 640, 672, 704, 736, 768, 808, 848, 888, 928, 984, 1032, 1064, 1128, 1160, 1192, 1224, 1256, \
1288, 1320, 1352, 1416, 1480, 1544, 1608, 1672, 1736, 1800, 1864, 1928, 2024, 2088, 2152, 2216, 2280, 2408, 2472, 2536, 2600, 2664, 2728, 2792, 2856, 2976, \
3104, 3240, 3368, 3496, 3624, 3752, 3824};
uint8_t nr_get_Qm(uint8_t Imcs, uint8_t table_idx) {
uint8_t nr_get_Qm_dl(uint8_t Imcs, uint8_t table_idx) {
switch(table_idx) {
case 1:
return (((Imcs<10)||(Imcs==29))?2:((Imcs<17)||(Imcs==30))?4:((Imcs<29)||(Imcs==31))?6:-1);
return (Table_51311[Imcs][0]);
break;
case 2:
return (((Imcs<5)||(Imcs==28))?2:((Imcs<11)||(Imcs==29))?4:((Imcs<20)||(Imcs==30))?6:((Imcs<28)||(Imcs==31))?8:-1);
return (Table_51312[Imcs][0]);
break;
case 3:
return (((Imcs<15)||(Imcs==29))?2:((Imcs<21)||(Imcs==30))?4:((Imcs<29)||(Imcs==31))?6:-1);
return (Table_51313[Imcs][0]);
break;
default:
@@ -64,18 +77,18 @@ uint8_t nr_get_Qm(uint8_t Imcs, uint8_t table_idx) {
}
}
uint32_t nr_get_code_rate(uint8_t Imcs, uint8_t table_idx) {
uint32_t nr_get_code_rate_dl(uint8_t Imcs, uint8_t table_idx) {
switch(table_idx) {
case 1:
return (nr_target_code_rate_table1[Imcs]);
return (Table_51311[Imcs][1]);
break;
case 2:
return (nr_target_code_rate_table2[Imcs]);
return (Table_51312[Imcs][1]);
break;
case 3:
return (nr_target_code_rate_table3[Imcs]);
return (Table_51313[Imcs][1]);
break;
default:
@@ -83,6 +96,36 @@ uint32_t nr_get_code_rate(uint8_t Imcs, uint8_t table_idx) {
}
}
uint8_t nr_get_Qm_ul(uint8_t Imcs, uint8_t table_idx) {
switch(table_idx) {
case 1:
return (Table_61411[Imcs][0]);
break;
case 2:
return (Table_61412[Imcs][0]);
break;
default:
AssertFatal(0, "Invalid MCS table index %d (expected in range [1,2])\n", table_idx);
}
}
uint32_t nr_get_code_rate_ul(uint8_t Imcs, uint8_t table_idx) {
switch(table_idx) {
case 1:
return (Table_61411[Imcs][1]);
break;
case 2:
return (Table_61412[Imcs][1]);
break;
default:
AssertFatal(0, "Invalid MCS table index %d (expected in range [1,2])\n", table_idx);
}
}
static inline uint8_t is_codeword_disabled(uint8_t format, uint8_t Imcs, uint8_t rv) {
return ((format==NFAPI_NR_DL_DCI_FORMAT_1_1)&&(Imcs==26)&&(rv==1));
}
@@ -131,8 +174,10 @@ void nr_get_tbs(nfapi_nr_dl_config_dlsch_pdu *dlsch_pdu,
scale = ((table_idx==2)&&((Imcs==20)||(Imcs==26)))?11:10;
N_RE = min(156, N_RE_prime)*dlsch_rel15->n_prb;
R = nr_get_code_rate(Imcs, table_idx);
Qm = nr_get_Qm(Imcs, table_idx);
R = nr_get_code_rate_dl(Imcs, table_idx);
Qm = nr_get_Qm_dl(Imcs, table_idx);
Ninfo = (N_RE*R*Qm*dlsch_rel15->nb_layers)>>scale;
if (Ninfo <= 3824) {
openair1/PHY/NR_TRANSPORT/nr_transport_common_proto.h
+6 -3
View File
@@ -48,10 +48,13 @@
#define NR_PUSCH_x 2 // UCI placeholder bit TS 38.212 V15.4.0 subclause 5.3.3.1
#define NR_PUSCH_y 3 // UCI placeholder bit
/** \brief Computes Q based on I_MCS PDSCH and table_idx. Implements Table 5.1.3.1-2 from 38.214. */
uint8_t nr_get_Qm(uint8_t Imcs, uint8_t table_idx);
/** \brief Computes Q based on I_MCS PDSCH and table_idx for downlink. Implements MCS Tables from 38.214. */
uint8_t nr_get_Qm_dl(uint8_t Imcs, uint8_t table_idx);
uint32_t nr_get_code_rate_dl(uint8_t Imcs, uint8_t table_idx);
uint32_t nr_get_code_rate(uint8_t Imcs, uint8_t table_idx);
/** \brief Computes Q based on I_MCS PDSCH and table_idx for uplink. Implements MCS Tables from 38.214. */
uint8_t nr_get_Qm_ul(uint8_t Imcs, uint8_t table_idx);
uint32_t nr_get_code_rate_ul(uint8_t Imcs, uint8_t table_idx);
void nr_get_tbs(nfapi_nr_dl_config_dlsch_pdu *dlsch_pdu,
nfapi_nr_dl_config_dci_dl_pdu dci_pdu,
openair1/PHY/NR_TRANSPORT/nr_ulsch_decoding.c
+3 -3
View File
@@ -310,6 +310,7 @@ uint32_t nr_ulsch_decoding(PHY_VARS_gNB *phy_vars_gNB,
uint16_t nb_rb = nfapi_ulsch_pdu_rel15->number_rbs;
uint16_t number_symbols = nfapi_ulsch_pdu_rel15->number_symbols;
uint8_t Qm = nfapi_ulsch_pdu_rel15->Qm;
uint8_t R = nfapi_ulsch_pdu_rel15->R;
uint8_t mcs = nfapi_ulsch_pdu_rel15->mcs;
uint8_t n_layers = nfapi_ulsch_pdu_rel15->n_layers;
uint8_t nb_re_dmrs = nfapi_ulsch_pdu_rel15->nb_re_dmrs;
@@ -338,8 +339,7 @@ uint32_t nr_ulsch_decoding(PHY_VARS_gNB *phy_vars_gNB,
}
// harq_process->trials[nfapi_ulsch_pdu_rel15->round]++;
harq_process->TBS = nr_compute_tbs(mcs, nb_rb, number_symbols, nb_re_dmrs, length_dmrs, n_layers);
harq_process->TBS = nr_compute_tbs(Qm, R, nb_rb, number_symbols, nb_re_dmrs, length_dmrs, n_layers);
A = harq_process->TBS;
ret = ulsch->max_ldpc_iterations;
@@ -440,7 +440,7 @@ uint32_t nr_ulsch_decoding(PHY_VARS_gNB *phy_vars_gNB,
K_bytes_F = Kr_bytes-(harq_process->F>>3);
Tbslbrm = nr_compute_tbs(28,nb_rb,frame_parms->symbols_per_slot,0,0, nfapi_ulsch_pdu_rel15->n_layers);
Tbslbrm = harq_process->TBS;
for (r=0; r<harq_process->C; r++) {
E = nr_get_E(G, harq_process->C, nfapi_ulsch_pdu_rel15->Qm, nfapi_ulsch_pdu_rel15->n_layers, r);
openair1/PHY/NR_UE_TRANSPORT/nr_dlsch_decoding.c
+69 -63
View File
@@ -238,7 +238,7 @@ uint32_t nr_dlsch_decoding(PHY_VARS_NR_UE *phy_vars_ue,
//__m128i l;
//int16_t inv_d [68*384];
uint8_t kc;
uint8_t Ilbrm = 0;
uint8_t Ilbrm = 1;
uint32_t Tbslbrm; //= 950984;
uint16_t nb_rb; //= 30;
double Coderate; //= 0.0;
@@ -298,7 +298,7 @@ uint32_t nr_dlsch_decoding(PHY_VARS_NR_UE *phy_vars_ue,
harq_process->trials[harq_process->round]++;
harq_process->TBS = nr_compute_tbs(harq_process->mcs,nb_rb,nb_symb_sch,nb_re_dmrs,length_dmrs, harq_process->Nl);
harq_process->TBS = nr_compute_tbs(harq_process->Qm,harq_process->R,nb_rb,nb_symb_sch,nb_re_dmrs,length_dmrs, harq_process->Nl);
A = harq_process->TBS;
ret = dlsch->max_ldpc_iterations + 1;
@@ -310,28 +310,6 @@ uint32_t nr_dlsch_decoding(PHY_VARS_NR_UE *phy_vars_ue,
vcd_signal_dumper_dump_function_by_name(VCD_SIGNAL_DUMPER_FUNCTIONS_DLSCH_SEGMENTATION, VCD_FUNCTION_IN);
if (harq_process->round == 0) {
// This is a new packet, so compute quantities regarding segmentation
harq_process->B = A+24;
nr_segmentation(NULL,
NULL,
harq_process->B,
&harq_process->C,
&harq_process->K,
&harq_process->Z, // [hna] Z is Zc
&harq_process->F);
#ifdef DEBUG_DLSCH_DECODING
if (!frame%100)
printf("K %d C %d Z %d nl %d \n", harq_process->K, harq_process->C, p_decParams->Z, harq_process->Nl);
#endif
}
vcd_signal_dumper_dump_function_by_name(VCD_SIGNAL_DUMPER_FUNCTIONS_DLSCH_SEGMENTATION, VCD_FUNCTION_OUT);
p_decParams->Z = harq_process->Z;
//printf("dlsch decoding nr segmentation Z %d\n", p_decParams->Z);
Coderate = (float) A /(float) G;
if ((A <=292) || ((A<=3824) && (Coderate <= 0.6667)) || Coderate <= 0.25)
{
@@ -365,6 +343,30 @@ uint32_t nr_dlsch_decoding(PHY_VARS_NR_UE *phy_vars_ue,
}
}
if (harq_process->round == 0) {
// This is a new packet, so compute quantities regarding segmentation
harq_process->B = A+24;
nr_segmentation(NULL,
NULL,
harq_process->B,
&harq_process->C,
&harq_process->K,
&harq_process->Z, // [hna] Z is Zc
&harq_process->F,
p_decParams->BG);
#ifdef DEBUG_DLSCH_DECODING
if (!frame%100)
printf("K %d C %d Z %d nl %d \n", harq_process->K, harq_process->C, p_decParams->Z, harq_process->Nl);
#endif
}
vcd_signal_dumper_dump_function_by_name(VCD_SIGNAL_DUMPER_FUNCTIONS_DLSCH_SEGMENTATION, VCD_FUNCTION_OUT);
p_decParams->Z = harq_process->Z;
//printf("dlsch decoding nr segmentation Z %d\n", p_decParams->Z);
//printf("coderate %f kc %d \n", Coderate, kc);
p_decParams->numMaxIter = dlsch->max_ldpc_iterations;
@@ -401,7 +403,7 @@ uint32_t nr_dlsch_decoding(PHY_VARS_NR_UE *phy_vars_ue,
K_bytes_F = Kr_bytes-(harq_process->F>>3);
Tbslbrm = nr_compute_tbs(28,nb_rb,frame_parms->symbols_per_slot,0,0, harq_process->Nl);
Tbslbrm = harq_process->TBS;
for (r=0; r<harq_process->C; r++) {
@@ -737,7 +739,7 @@ uint32_t nr_dlsch_decoding_mthread(PHY_VARS_NR_UE *phy_vars_ue,
int16_t inv_d [68*384];
//int16_t *p_invd =&inv_d;
uint8_t kb, kc;
uint8_t Ilbrm = 0;
uint8_t Ilbrm = 1;
uint32_t Tbslbrm = 950984;
uint16_t nb_rb = 30;
double Coderate = 0.0;
@@ -795,7 +797,7 @@ uint32_t nr_dlsch_decoding_mthread(PHY_VARS_NR_UE *phy_vars_ue,
nb_rb = harq_process->nb_rb;
harq_process->trials[harq_process->round]++;
harq_process->TBS = nr_compute_tbs(harq_process->mcs,nb_rb,nb_symb_sch,nb_re_dmrs,length_dmrs, harq_process->Nl);
harq_process->TBS = nr_compute_tbs(harq_process->Qm,harq_process->R,nb_rb,nb_symb_sch,nb_re_dmrs,length_dmrs, harq_process->Nl);
A = harq_process->TBS;
@@ -815,21 +817,6 @@ uint32_t nr_dlsch_decoding_mthread(PHY_VARS_NR_UE *phy_vars_ue,
// printf("DLSCH Decoding, harq_pid %d Ndi %d\n",harq_pid,harq_process->Ndi);
if (harq_process->round == 0) {
// This is a new packet, so compute quantities regarding segmentation
harq_process->B = A+24;
nr_segmentation(NULL,
NULL,
harq_process->B,
&harq_process->C,
&harq_process->K,
&harq_process->Z,
&harq_process->F);
p_decParams->Z = harq_process->Z;
}
Coderate = (float) A /(float) G;
if ((A <=292) || ((A<=3824) && (Coderate <= 0.6667)) || Coderate <= 0.25)
{
@@ -863,6 +850,22 @@ uint32_t nr_dlsch_decoding_mthread(PHY_VARS_NR_UE *phy_vars_ue,
}
}
if (harq_process->round == 0) {
// This is a new packet, so compute quantities regarding segmentation
harq_process->B = A+24;
nr_segmentation(NULL,
NULL,
harq_process->B,
&harq_process->C,
&harq_process->K,
&harq_process->Z,
&harq_process->F,
p_decParams->BG);
p_decParams->Z = harq_process->Z;
}
//printf("coderate %f kc %d \n", Coderate, kc);
p_decParams->numMaxIter = dlsch->max_ldpc_iterations;
p_decParams->outMode= 0;
@@ -941,7 +944,7 @@ uint32_t nr_dlsch_decoding_mthread(PHY_VARS_NR_UE *phy_vars_ue,
Kr_bytes = Kr>>3;
K_bytes_F = Kr_bytes-(harq_process->F>>3);
Tbslbrm = nr_compute_tbs(28,nb_rb,frame_parms->symbols_per_slot,0,0, harq_process->Nl);
Tbslbrm = harq_process->TBS;
E = nr_get_E(G, harq_process->C, harq_process->Qm, harq_process->Nl, r);
@@ -1286,7 +1289,7 @@ void *nr_dlsch_decoding_process(void *arg)
int16_t inv_d [68*384];
int16_t *p_invd =&inv_d;
uint8_t kb, kc;
uint8_t Ilbrm = 0;
uint8_t Ilbrm = 1;
uint32_t Tbslbrm = 950984;
uint16_t nb_rb = 30; //to update
double Coderate = 0.0;
@@ -1355,7 +1358,7 @@ void *nr_dlsch_decoding_process(void *arg)
harq_process->trials[harq_process->round]++;
harq_process->TBS = nr_compute_tbs(harq_process->mcs,nb_rb,nb_symb_sch,nb_re_dmrs,length_dmrs, harq_process->Nl);
harq_process->TBS = nr_compute_tbs(harq_process->Qm,harq_process->R,nb_rb,nb_symb_sch,nb_re_dmrs,length_dmrs, harq_process->Nl);
A = harq_process->TBS; //2072 for QPSK 1/3
@@ -1367,22 +1370,6 @@ void *nr_dlsch_decoding_process(void *arg)
LOG_I(PHY,"DLSCH Decoding process, harq_pid %d TBS %d G %d mcs %d Nl %d nb_symb_sch %d nb_rb %d\n",harq_pid,A,G, harq_process->mcs, harq_process->Nl, nb_symb_sch,nb_rb);
if (harq_process->round == 0) {
// This is a new packet, so compute quantities regarding segmentation
harq_process->B = A+24;
nr_segmentation(NULL,
NULL,
harq_process->B,
&harq_process->C,
&harq_process->K,
&harq_process->Z,
&harq_process->F);
p_decParams->Z = harq_process->Z;
}
Coderate = (float) A /(float) G;
if ((A <=292) || ((A<=3824) && (Coderate <= 0.6667)) || Coderate <= 0.25)
{
@@ -1414,7 +1401,26 @@ void *nr_dlsch_decoding_process(void *arg)
p_decParams->R = 89;
kc = 27;
}
}
}
if (harq_process->round == 0) {
// This is a new packet, so compute quantities regarding segmentation
harq_process->B = A+24;
nr_segmentation(NULL,
NULL,
harq_process->B,
&harq_process->C,
&harq_process->K,
&harq_process->Z,
&harq_process->F,
p_decParams->BG);
p_decParams->Z = harq_process->Z;
}
p_decParams->numMaxIter = dlsch->max_ldpc_iterations;
p_decParams->outMode= 0;
@@ -1474,7 +1480,7 @@ void *nr_dlsch_decoding_process(void *arg)
Kr_bytes = Kr>>3;
K_bytes_F = Kr_bytes-(harq_process->F>>3);
Tbslbrm = nr_compute_tbs(28,nb_rb,frame_parms->symbols_per_slot,0,0, harq_process->Nl);
Tbslbrm = harq_process->TBS;
E = nr_get_E(G, harq_process->C, harq_process->Qm, harq_process->Nl, r);
openair1/PHY/NR_UE_TRANSPORT/nr_dlsch_demodulation.c
+3 -2
View File
@@ -176,7 +176,8 @@ int nr_rx_pdsch(PHY_VARS_NR_UE *ue,
dlsch = ue->dlsch[ue->current_thread_id[nr_tti_rx]][eNB_id];
dlsch[0]->harq_processes[harq_pid]->Qm = nr_get_Qm(dlsch[0]->harq_processes[harq_pid]->mcs, 1);;
dlsch[0]->harq_processes[harq_pid]->Qm = nr_get_Qm_dl(dlsch[0]->harq_processes[harq_pid]->mcs, 1);
dlsch[0]->harq_processes[harq_pid]->R = nr_get_code_rate_dl(dlsch[0]->harq_processes[harq_pid]->mcs, 1);
//printf("status TB0 = %d, status TB1 = %d \n", dlsch[0]->harq_processes[harq_pid]->status, dlsch[1]->harq_processes[harq_pid]->status);
LOG_D(PHY,"AbsSubframe %d.%d / Sym %d harq_pid %d, harq status %d.%d \n",
@@ -964,7 +965,7 @@ int nr_rx_pdsch(PHY_VARS_NR_UE *ue,
break;
}
if (dlsch1_harq) {
switch (nr_get_Qm(dlsch1_harq->mcs, 1)) {
switch (nr_get_Qm_dl(dlsch1_harq->mcs, 1)) {
case 2 :
if (rx_type==rx_standard) {
nr_dlsch_qpsk_llr(frame_parms,
openair1/PHY/NR_UE_TRANSPORT/nr_transport_ue.h
+2
View File
@@ -273,6 +273,8 @@ typedef struct {
uint8_t mcs;
/// Qm (modulation order) for this DLSCH
uint8_t Qm;
/// target code rate R x 1024
uint16_t R;
/// Redundancy-version of the current sub-frame
uint8_t rvidx;
/// MIMO mode for this DLSCH
openair1/PHY/NR_UE_TRANSPORT/nr_ulsch_coding.c
+15 -12
View File
@@ -203,7 +203,7 @@ int nr_ulsch_encoding(NR_UE_ULSCH_t *ulsch,
uint32_t A, Z, F;
uint32_t *pz;
uint8_t mod_order;
uint16_t Kr,r,r_offset;
uint16_t Kr,r,r_offset,R;
uint8_t BG;
uint32_t E;
uint8_t Ilbrm;
@@ -225,7 +225,8 @@ int nr_ulsch_encoding(NR_UE_ULSCH_t *ulsch,
nb_symb_sch = harq_process->number_of_symbols;
A = harq_process->TBS;
pz = &Z;
mod_order = nr_get_Qm(harq_process->mcs,1);
mod_order = nr_get_Qm_ul(harq_process->mcs,1);
R = nr_get_code_rate_ul(harq_process->mcs,1);
Kr=0;
r_offset=0;
BG = 1;
@@ -255,7 +256,7 @@ int nr_ulsch_encoding(NR_UE_ULSCH_t *ulsch,
LOG_D(PHY,"ulsch coding A %d G %d mod_order %d\n", A,G, mod_order);
Tbslbrm = nr_compute_tbs(28,nb_rb,frame_parms->symbols_per_slot,0,0, harq_process->Nl);
Tbslbrm = nr_compute_tbs(mod_order,R,nb_rb,frame_parms->symbols_per_slot,0,0, harq_process->Nl);
// if (harq_process->Ndi == 1) { // this is a new packet
if (harq_process->round == 0) { // this is a new packet
@@ -290,15 +291,6 @@ int nr_ulsch_encoding(NR_UE_ULSCH_t *ulsch,
///////////////////////// b---->| block segmentation |---->c /////////////////////////
///////////
nr_segmentation(harq_process->b,
harq_process->c,
harq_process->B,
&harq_process->C,
&harq_process->K,
pz,
&harq_process->F);
F = harq_process->F;
Coderate = (float) A /(float) G;
if ((A <=292) || ((A<=3824) && (Coderate <= 0.6667)) || Coderate <= 0.25){
@@ -308,6 +300,17 @@ int nr_ulsch_encoding(NR_UE_ULSCH_t *ulsch,
BG = 1;
}
nr_segmentation(harq_process->b,
harq_process->c,
harq_process->B,
&harq_process->C,
&harq_process->K,
pz,
&harq_process->F,
BG);
F = harq_process->F;
Kr = harq_process->K;
#ifdef DEBUG_DLSCH_CODING
uint16_t Kr_bytes;
openair1/PHY/NR_UE_TRANSPORT/nr_ulsch_ue.c
+9 -3
View File
@@ -53,6 +53,8 @@ int generate_ue_ulsch_params(PHY_VARS_NR_UE *UE,
int N_PRB_oh, N_RE_prime, cwd_idx, length_dmrs, Nid_cell;
int nb_rb, Nsymb_pusch, first_rb, nb_codewords,mcs,rvidx;
uint16_t n_rnti;
unsigned char mod_order;
uint16_t code_rate;
NR_UE_ULSCH_t *ulsch_ue;
NR_UL_UE_HARQ_t *harq_process_ul_ue;
@@ -89,6 +91,9 @@ int generate_ue_ulsch_params(PHY_VARS_NR_UE *UE,
if (harq_process_ul_ue) {
mod_order = nr_get_Qm_ul(mcs, 1);
code_rate = nr_get_code_rate_ul(mcs, 1);
harq_process_ul_ue->mcs = mcs;
harq_process_ul_ue->Nl = nb_codewords;
harq_process_ul_ue->nb_rb = nb_rb;
@@ -96,7 +101,8 @@ int generate_ue_ulsch_params(PHY_VARS_NR_UE *UE,
harq_process_ul_ue->number_of_symbols = Nsymb_pusch;
harq_process_ul_ue->num_of_mod_symbols = N_RE_prime*nb_rb*nb_codewords;
harq_process_ul_ue->rvidx = rvidx;
harq_process_ul_ue->TBS = nr_compute_tbs(harq_process_ul_ue->mcs,
harq_process_ul_ue->TBS = nr_compute_tbs(mod_order,
code_rate,
nb_rb,
Nsymb_pusch,
ulsch_ue->nb_re_dmrs,
@@ -166,7 +172,7 @@ uint8_t nr_ue_ulsch_procedures(PHY_VARS_NR_UE *UE,
int32_t **txdataF;
uint16_t start_sc, start_rb;
int8_t Wf[2], Wt[2], l0, l_prime[2], delta;
uint16_t n_dmrs;
uint16_t n_dmrs,code_rate;
uint8_t dmrs_type;
uint8_t mapping_type;
int ap, start_symbol, i;
@@ -195,7 +201,7 @@ uint8_t nr_ue_ulsch_procedures(PHY_VARS_NR_UE *UE,
/////////////////////////ULSCH scrambling/////////////////////////
///////////
mod_order = nr_get_Qm(harq_process_ul_ue->mcs, 1);
mod_order = nr_get_Qm_ul(harq_process_ul_ue->mcs, 1);
available_bits = nr_get_G(harq_process_ul_ue->nb_rb,
ulsch_ue->Nsymb_pusch,
openair1/SCHED_NR_UE/phy_procedures_nr_ue.c
+8 -5
View File
@@ -2464,9 +2464,9 @@ void ue_pucch_procedures(PHY_VARS_NR_UE *ue,UE_nr_rxtx_proc_t *proc,uint8_t eNB_
void phy_procedures_nrUE_TX(PHY_VARS_NR_UE *ue,
UE_nr_rxtx_proc_t *proc,
uint8_t gNB_id,
uint8_t thread_id)
UE_nr_rxtx_proc_t *proc,
uint8_t gNB_id,
uint8_t thread_id)
{
//NR_DL_FRAME_PARMS *frame_parms=&ue->frame_parms;
NR_UE_ULSCH_t *ulsch_ue;
@@ -2497,11 +2497,14 @@ void phy_procedures_nrUE_TX(PHY_VARS_NR_UE *ue,
ulsch_ue = ue->ulsch[thread_id][gNB_id][0]; // cwd_index = 0
harq_process_ul_ue = ulsch_ue->harq_processes[harq_pid];
TBS = nr_compute_tbs( harq_process_ul_ue->mcs, harq_process_ul_ue->nb_rb, ulsch_ue->Nsymb_pusch, ulsch_ue->nb_re_dmrs, ulsch_ue->length_dmrs, harq_process_ul_ue->Nl);
//-----------------------------------------------------//
// to be removed later when MAC is ready
uint8_t Qm = nr_get_Qm_ul(harq_process_ul_ue->mcs, 1);
uint16_t R = nr_get_code_rate_ul(harq_process_ul_ue->mcs, 1);
TBS = nr_compute_tbs( Qm, R, harq_process_ul_ue->nb_rb, ulsch_ue->Nsymb_pusch, ulsch_ue->nb_re_dmrs, ulsch_ue->length_dmrs, harq_process_ul_ue->Nl);
for (i = 0; i < TBS / 8; i++)
harq_process_ul_ue->a[i] = (unsigned char) rand();
openair1/SIMULATION/NR_PHY/dlschsim.c
+4 -2
View File
@@ -427,6 +427,7 @@ int main(int argc, char **argv)
uint8_t nb_re_dmrs = 6;
uint16_t length_dmrs = 1;
unsigned char mod_order;
uint16_t rate;
uint8_t Nl = 1;
uint8_t rvidx = 0;
dlsch->rnti = 1;
@@ -434,9 +435,10 @@ int main(int argc, char **argv)
dlsch->harq_processes[0]->rvidx = rvidx;*/
//printf("dlschsim harqid %d nb_rb %d, mscs %d\n",dlsch->harq_ids[subframe],
// dlsch->harq_processes[0]->nb_rb,dlsch->harq_processes[0]->mcs,dlsch->harq_processes[0]->Nl);
mod_order = nr_get_Qm(Imcs, 1);
mod_order = nr_get_Qm_dl(Imcs, 1);
rate = nr_get_code_rate_dl(Imcs, 1);
available_bits = nr_get_G(nb_rb, nb_symb_sch, nb_re_dmrs, length_dmrs, mod_order, 1);
TBS = nr_compute_tbs(Imcs, nb_rb, nb_symb_sch, nb_re_dmrs, length_dmrs, Nl);
TBS = nr_compute_tbs(mod_order,rate, nb_rb, nb_symb_sch, nb_re_dmrs, length_dmrs, Nl);
printf("available bits %d TBS %d mod_order %d\n", available_bits, TBS, mod_order);
//dlsch->harq_ids[subframe]= 0;
rel15->n_prb = nb_rb;
openair1/SIMULATION/NR_PHY/ulschsim.c
+4 -3
View File
@@ -372,7 +372,7 @@ int main(int argc, char **argv)
uint8_t nb_re_dmrs = 6;
uint8_t length_dmrs = 1;
uint8_t N_PRB_oh;
uint16_t N_RE_prime;
uint16_t N_RE_prime,code_rate;
unsigned char mod_order;
uint8_t Nl = 1;
uint8_t rvidx = 0;
@@ -383,9 +383,10 @@ int main(int argc, char **argv)
NR_UE_ULSCH_t *ulsch_ue = UE->ulsch[0][0][0];
mod_order = nr_get_Qm(Imcs, 1);
mod_order = nr_get_Qm_ul(Imcs, 1);
code_rate = nr_get_code_rate_ul(Imcs, 1);
available_bits = nr_get_G(nb_rb, nb_symb_sch, nb_re_dmrs, length_dmrs, mod_order, 1);
TBS = nr_compute_tbs(Imcs, nb_rb, nb_symb_sch, nb_re_dmrs, length_dmrs, Nl);
TBS = nr_compute_tbs(mod_order,code_rate, nb_rb, nb_symb_sch, nb_re_dmrs, length_dmrs, Nl);
printf("\n");
printf("available bits %d TBS %d mod_order %d\n", available_bits, TBS, mod_order);
openair1/SIMULATION/NR_PHY/ulsim.c
+4 -2
View File
@@ -387,10 +387,12 @@ int main(int argc, char **argv)
uint8_t nb_re_dmrs = UE->dmrs_UplinkConfig.pusch_maxLength*(UE->dmrs_UplinkConfig.pusch_dmrs_type == pusch_dmrs_type1)?6:4;
uint8_t length_dmrs = 1;
unsigned char mod_order;
uint16_t code_rate;
mod_order = nr_get_Qm(Imcs, 1);
mod_order = nr_get_Qm_ul(Imcs, 1);
code_rate = nr_get_code_rate_ul(Imcs, 1);
available_bits = nr_get_G(nb_rb, nb_symb_sch, nb_re_dmrs, length_dmrs, mod_order, 1);
TBS = nr_compute_tbs(Imcs, nb_rb, nb_symb_sch, nb_re_dmrs, length_dmrs, precod_nbr_layers);
TBS = nr_compute_tbs(mod_order, code_rate, nb_rb, nb_symb_sch, nb_re_dmrs, length_dmrs, precod_nbr_layers);
NR_gNB_ULSCH_t *ulsch_gNB = gNB->ulsch[UE_id+1][0];
nfapi_nr_ul_config_ulsch_pdu *rel15_ul = &ulsch_gNB->harq_processes[harq_pid]->ulsch_pdu;