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fixing prach config for FR2

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This commit is contained in:
Florian Kaltenberger
2020-11-10 21:53:02 +01:00
parent b1bffcee81
commit ed97e21649
5 changed files with 33 additions and 20 deletions
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openair2/LAYER2/NR_MAC_COMMON/nr_mac_common.c
+17 -8
View File
@@ -936,14 +936,22 @@ int64_t table_6_3_3_2_4_prachConfig_Index [256][10] = {
int get_format0(uint8_t index,
uint8_t unpaired){
uint8_t unpaired,
frequency_range_t frequency_range){
uint16_t format;
if (unpaired)
format = table_6_3_3_2_3_prachConfig_Index[index][0];
else
format = table_6_3_3_2_2_prachConfig_Index[index][0];
if (unpaired) {
if (frequency_range==FR1)
format = table_6_3_3_2_3_prachConfig_Index[index][0];
else
format = table_6_3_3_2_4_prachConfig_Index[index][0];
}
else {
if (frequency_range==FR1)
format = table_6_3_3_2_2_prachConfig_Index[index][0];
else
AssertFatal(0==1,"no paired spectrum for FR2\n");
}
return format;
}
@@ -1401,11 +1409,12 @@ uint16_t table_63313[838] = {
uint8_t compute_nr_root_seq(NR_RACH_ConfigCommon_t *rach_config,
uint8_t nb_preambles,
uint8_t unpaired) {
uint8_t unpaired,
frequency_range_t frequency_range) {
uint8_t config_index = rach_config->rach_ConfigGeneric.prach_ConfigurationIndex;
uint8_t ncs_index = rach_config->rach_ConfigGeneric.zeroCorrelationZoneConfig;
uint16_t format0 = get_format0(config_index, unpaired);
uint16_t format0 = get_format0(config_index, unpaired, frequency_range);
uint16_t NCS = get_NCS(ncs_index, format0, rach_config->restrictedSetConfig);
uint16_t L_ra = (rach_config->prach_RootSequenceIndex.present==NR_RACH_ConfigCommon__prach_RootSequenceIndex_PR_l139) ? 139 : 839;
uint16_t r,u,index,q,d_u,n_shift_ra,n_shift_ra_bar,d_start;
openair2/LAYER2/NR_MAC_COMMON/nr_mac_common.h
+8 -2
View File
@@ -44,6 +44,11 @@
#define MAX_TDM (7) // Maximum nb of PRACH occasions TDMed in a slot
#define MAX_FDM (8) // Maximum nb of PRACH occasions FDMed in a slot
typedef enum frequency_range_e {
FR1 = 0,
FR2
} frequency_range_t;
// PRACH occasion details
typedef struct prach_occasion_info {
uint8_t start_symbol; // 0 - 13 (14 symbols in a slot)
@@ -157,11 +162,12 @@ uint8_t get_pusch_mcs_table(long *mcs_Table,
uint8_t compute_nr_root_seq(NR_RACH_ConfigCommon_t *rach_config,
uint8_t nb_preambles,
uint8_t unpaired);
uint8_t unpaired,
frequency_range_t);
int ul_ant_bits(NR_DMRS_UplinkConfig_t *NR_DMRS_UplinkConfig,long transformPrecoder);
int get_format0(uint8_t index, uint8_t unpaired);
int get_format0(uint8_t index, uint8_t unpaired,frequency_range_t);
int64_t *get_prach_config_info(uint32_t pointa,
uint8_t index,
openair2/LAYER2/NR_MAC_UE/mac_defs.h
-4
View File
@@ -292,10 +292,6 @@ typedef enum channel_bandwidth_e {
bw_100MHz = 0x32
} channel_bandwidth_t;
typedef enum frequency_range_e {
FR1 = 0,
FR2
} frequency_range_t;
typedef struct {
uint8_t identifier_dci_formats ; // 0 IDENTIFIER_DCI_FORMATS:
openair2/LAYER2/NR_MAC_gNB/config.c
+4 -2
View File
@@ -127,11 +127,13 @@ void config_common(int Mod_idP, int pdsch_AntennaPorts, NR_ServingCellConfigComm
lte_frame_type_t frame_type;
uint16_t band;
int32_t offset;
frequency_range_t frequency_range;
get_band(((uint64_t)cfg->carrier_config.dl_frequency.value)*1000,
&band,
&offset,
&frame_type);
frequency_range = band<100?FR1:FR2;
RC.nrmac[Mod_idP]->common_channels[0].frame_type = frame_type;
@@ -220,7 +222,7 @@ void config_common(int Mod_idP, int pdsch_AntennaPorts, NR_ServingCellConfigComm
cfg->prach_config.num_prach_fd_occasions_list[i].prach_zero_corr_conf.value = scc->uplinkConfigCommon->initialUplinkBWP->rach_ConfigCommon->choice.setup->rach_ConfigGeneric.zeroCorrelationZoneConfig;
cfg->prach_config.num_prach_fd_occasions_list[i].prach_zero_corr_conf.tl.tag = NFAPI_NR_CONFIG_PRACH_ZERO_CORR_CONF_TAG;
cfg->num_tlv++;
cfg->prach_config.num_prach_fd_occasions_list[i].num_root_sequences.value = compute_nr_root_seq(scc->uplinkConfigCommon->initialUplinkBWP->rach_ConfigCommon->choice.setup,nb_preambles, frame_type);
cfg->prach_config.num_prach_fd_occasions_list[i].num_root_sequences.value = compute_nr_root_seq(scc->uplinkConfigCommon->initialUplinkBWP->rach_ConfigCommon->choice.setup,nb_preambles, frame_type, frequency_range);
cfg->prach_config.num_prach_fd_occasions_list[i].num_root_sequences.tl.tag = NFAPI_NR_CONFIG_NUM_ROOT_SEQUENCES_TAG;
cfg->num_tlv++;
cfg->prach_config.num_prach_fd_occasions_list[i].num_unused_root_sequences.value = 1;
targets/PROJECTS/GENERIC-LTE-EPC/CONF/gnb.band261.tm1.32PRB.usrpn300.conf
+4 -4
View File
@@ -47,7 +47,7 @@ gNBs =
dl_carrierBandwidth = 32;
#initialDownlinkBWP
#genericParameters
# this is RBstart=0,L=50 (275*(L-1))+RBstart
# this is RBstart=0,L=32 (275*(L-1))+RBstart
initialDLBWPlocationAndBandwidth = 8525;
# subcarrierSpacing
# 0=kHz15, 1=kHz30, 2=kHz60, 3=kHz120
@@ -121,8 +121,8 @@ gNBs =
ra_ContentionResolutionTimer = 7;
rsrp_ThresholdSSB = 19;
#prach-RootSequenceIndex_PR
#0 = 839, 1 = 139
prach_RootSequenceIndex_PR = 1;
#1 = 839, 2 = 139
prach_RootSequenceIndex_PR = 2;
prach_RootSequenceIndex = 1;
# SCS for msg1, can only be 15 for 30 kHz < 6 GHz, takes precendence over the one derived from prach-ConfigIndex
#
@@ -211,7 +211,7 @@ gNBs =
);
///X2
enable_x2 = "yes";
enable_x2 = "no";
t_reloc_prep = 1000; /* unit: millisecond */
tx2_reloc_overall = 2000; /* unit: millisecond */
t_dc_prep = 1000; /* unit: millisecond */