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analog beamforming based distributed antenna system

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This commit is contained in:
francescomani
2025-06-10 12:11:49 +02:00
parent 964c737b7d
commit f555bf2957
13 changed files with 59 additions and 38 deletions
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openair2/GNB_APP/L1_nr_paramdef.h
+7 -3
View File
@@ -61,6 +61,8 @@
#define HLP_L1_PHASE_COMP "Apply NR symbolwise phase rotation"
#define CONFIG_STRING_NUM_ANTENNAS_PER_THREAD "dmrs_num_antennas_per_thread"
#define HLP_NUM_ARX "Number of antennas per thread for PUSCH channel estimation"
#define CONFIG_STRING_ANALOG_DAS "enable_das"
/*----------------------------------------------------------------------------------------------------------------------------------------------------*/
/* L1 configuration parameters */
/* optname helpstr paramflags XXXptr defXXXval type numelt */
@@ -81,12 +83,13 @@
{CONFIG_STRING_L1_PRACH_DTX_THRESHOLD, NULL, 0, .uptr=NULL, .defintval=150, TYPE_UINT, 0}, \
{CONFIG_STRING_L1_PUSCH_DTX_THRESHOLD, NULL, 0, .uptr=NULL, .defintval=50, TYPE_UINT, 0}, \
{CONFIG_STRING_L1_SRS_DTX_THRESHOLD, NULL, 0, .uptr=NULL, .defintval=30, TYPE_UINT, 0}, \
{CONFIG_STRING_L1_MAX_LDPC_ITERATIONS, NULL, 0, .uptr=NULL, .defintval=8, TYPE_UINT, 0}, \
{CONFIG_STRING_L1_RX_THREAD_CORE, NULL, 0, .uptr=NULL, .defintval=-1, TYPE_UINT, 0}, \
{CONFIG_STRING_L1_TX_THREAD_CORE, NULL, 0, .uptr=NULL, .defintval=-1, TYPE_UINT, 0}, \
{CONFIG_STRING_L1_MAX_LDPC_ITERATIONS, NULL, 0, .uptr=NULL, .defintval=8, TYPE_UINT, 0}, \
{CONFIG_STRING_L1_RX_THREAD_CORE, NULL, 0, .uptr=NULL, .defintval=-1, TYPE_UINT, 0}, \
{CONFIG_STRING_L1_TX_THREAD_CORE, NULL, 0, .uptr=NULL, .defintval=-1, TYPE_UINT, 0}, \
{CONFIG_STRING_L1_TX_AMP_BACKOFF_dB, HLP_L1TX_BO,0, .uptr=NULL, .defintval=36, TYPE_UINT, 0}, \
{CONFIG_STRING_L1_PHASE_COMP, HLP_L1_PHASE_COMP,PARAMFLAG_BOOL, .uptr=NULL,.defintval=1, TYPE_UINT, 0}, \
{CONFIG_STRING_NUM_ANTENNAS_PER_THREAD, HLP_NUM_ARX,0, .uptr=NULL, .defintval=1, TYPE_UINT, 0}, \
{CONFIG_STRING_ANALOG_DAS, NULL, 0, .uptr=NULL, .defintval=0, TYPE_UINT, 0}, \
}
// clang-format on
#define L1_CC_IDX 0
@@ -109,6 +112,7 @@
#define L1_TX_AMP_BACKOFF_dB 17
#define L1_PHASE_COMP 18
#define NUM_ANTENNAS_PER_THREAD 19
#define L1_ANALOG_DAS 20
/*----------------------------------------------------------------------------------------------------------------------------------------------------*/
#endif
openair2/GNB_APP/gnb_config.c
+1
View File
@@ -1061,6 +1061,7 @@ void RCconfig_NR_L1(void)
gNB->TX_AMP = min(32767.0 / pow(10.0, .05 * (double)(*L1_ParamList.paramarray[j][L1_TX_AMP_BACKOFF_dB].uptr)), INT16_MAX);
gNB->phase_comp = *L1_ParamList.paramarray[j][L1_PHASE_COMP].uptr;
gNB->dmrs_num_antennas_per_thread = *(L1_ParamList.paramarray[j][NUM_ANTENNAS_PER_THREAD].uptr);
gNB->enable_analog_das = *(L1_ParamList.paramarray[j][L1_ANALOG_DAS].uptr);
LOG_I(NR_PHY, "TX_AMP = %d (-%d dBFS)\n", gNB->TX_AMP, *L1_ParamList.paramarray[j][L1_TX_AMP_BACKOFF_dB].uptr);
AssertFatal(gNB->TX_AMP > 300, "TX_AMP is too small, must be larger than 300 (is %d)\n", gNB->TX_AMP);
// Midhaul configuration