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Frame parms init 30kHz-106/217 PRB

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This commit is contained in:
Guy De Souza
2018-03-22 15:20:05 +01:00
parent 2fe84d937c
commit 8d953b0952
3 changed files with 118 additions and 2 deletions
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cmake_targets/CMakeLists.txt
+3 -2
View File
@@ -1261,8 +1261,8 @@ set(PHY_SRC_UE
# actual source
${OPENAIR1_DIR}/PHY/LTE_TRANSPORT/if4_tools.c
${OPENAIR1_DIR}/PHY/LTE_TRANSPORT/if5_tools.c
${OPENAIR1_DIR}/PHY/MODULATION/ofdm_mod.c
${OPENAIR1_DIR}/PHY/MODULATION/slot_fep.c
#${OPENAIR1_DIR}/PHY/MODULATION/ofdm_mod.c
#${OPENAIR1_DIR}/PHY/MODULATION/slot_fep.c
${OPENAIR1_DIR}/PHY/INIT/nr_parms.c
${OPENAIR1_DIR}/PHY/TOOLS/file_output.c
${OPENAIR1_DIR}/PHY/TOOLS/cadd_vv.c
@@ -2145,6 +2145,7 @@ add_executable(nr-softmodem
${OPENAIR_BIN_DIR}/messages_xml.h
${OPENAIR_TARGETS}/RT/USER/rt_wrapper.c
${OPENAIR_TARGETS}/RT/USER/lte-ru.c
${OPENAIR_TARGETS}/RT/USER/nr-softmodem.c
${OPENAIR1_DIR}/SIMULATION/TOOLS/taus.c
${OPENAIR_TARGETS}/COMMON/create_tasks.c
${OPENAIR_TARGETS}/ARCH/COMMON/common_lib.c
openair1/PHY/INIT/defs_NR.h
+11
View File
@@ -24,4 +24,15 @@
#include "PHY/defs.h"
typedef enum {
NR_MU_0=0,
NR_MU_1,
NR_MU_2,
NR_MU_3,
NR_MU_4,
} nr_numerology_index_e;
/// Subcarrier spacings in Hz indexed by numerology index
uint32_t nr_subcarrier_spacing[MAX_NUM_SUBCARRIER_SPACING] = {15e3, 30e3, 60e3, 120e3, 240e3};
#endif
openair1/PHY/INIT/nr_parms.c
+104
View File
@@ -22,3 +22,107 @@
#include "defs.h"
#include "defs_NR.h"
#include "log.h"
int nr_init_frame_parms(LTE_DL_FRAME_PARMS *frame_parms)
{
#if DISABLE_LOG_X
printf("Initializing frame parms for mu %d, N_RB_DL %d, Ncp %d, osf %d\n",frame_parms->N_RB_DL,frame_parms->Ncp,osf);
#else
LOG_I(PHY,"Initializing frame parms for mu %d, N_RB_DL %d, Ncp %d, osf %d\n",frame_parms->N_RB_DL,frame_parms->Ncp,osf);
#endif
if (frame_parms->Ncp == EXTENDED)
AssertFatal(frame_parms->mu == NR_MU_2,"Invalid cyclic prefix %d for numerology index %d\n", frame_parms->Ncp, frame_parms->mu);
switch(frame_parms->mu) {
case NR_MU_0: //15kHz scs
frame_parms->scs = nr_subcarrier_spacing[NR_MU_0];
break;
case NR_MU_1: //30kHz scs
frame_parms->scs = nr_subcarrier_spacing[NR_MU_1];
switch(frame_parms->N_RB_DL){
case 11:
case 24:
case 38:
case 78:
case 51:
case 65:
case 106: //40 MHz
frame_parms->ofdm_symbol_size = 2048;
frame_parms->samples_per_tti = 30720;
frame_parms->first_carrier_offset = 1412; //2048 - 636
frame_parms->nb_prefix_samples0 = 160;
frame_parms->nb_prefix_samples = 144;
break;
case 133:
case 162:
case 189:
case 217: //80 MHz
frame_parms->ofdm_symbol_size = 4096;
frame_parms->samples_per_tti = 61440;
frame_parms->first_carrier_offset = 2794; //4096 - 1302
frame_parms->nb_prefix_samples0 = 320;
frame_parms->nb_prefix_samples = 288;
break;
case 245:
case 273:
default:
AssertFatal(1==0,"Number of resource blocks %d undefined for mu %d, frame parms = %p\n", frame_parms->N_RB_DL, frame_parms->mu, frame_parms);
}
break;
case NR_MU_2: //60kHz scs
frame_parms->scs = nr_subcarrier_spacing[NR_MU_2];
switch(frame_parms->N_RB_DL){ //FR1 bands only
case 11:
case 18:
case 38:
case 24:
case 31:
case 51:
case 65:
case 79:
case 93:
case 107:
case 121:
case 135:
default:
AssertFatal(1==0,"Number of resource blocks %d undefined for mu %d, frame parms = %p\n", frame_parms->N_RB_DL, frame_parms->mu, frame_parms);
}
break;
case NR_MU_3:
frame_parms->scs = nr_subcarrier_spacing[NR_MU_3];
break;
case NR_MU_4:
frame_parms->scs = nr_subcarrier_spacing[NR_MU_4];
break;
default:
AssertFatal(1==0,"Invalid numerology index %d", frame_parms->mu);
}
return 0;
}
void nr_dump_frame_parms(LTE_DL_FRAME_PARMS *frame_parms)
{
LOG_I(PHY,"frame_parms->mu=%d\n",frame_parms->mu);
LOG_I(PHY,"frame_parms->scs=%d\n",frame_parms->scs);
LOG_I(PHY,"frame_parms->N_RB_DL=%d\n",frame_parms->N_RB_DL);
LOG_I(PHY,"frame_parms->ofdm_symbol_size=%d\n",frame_parms->ofdm_symbol_size);
LOG_I(PHY,"frame_parms->samples_per_tti=%d\n",frame_parms->samples_per_tti);
LOG_I(PHY,"frame_parms->nb_prefix_samples0=%d\n",frame_parms->nb_prefix_samples0);
LOG_I(PHY,"frame_parms->nb_prefix_samples=%d\n",frame_parms->nb_prefix_samples);
}