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# SPDX-License-Identifier: LicenseRef-CSSL-1.0
Active_gNBs = ( "gNB-OAI");
# Asn1_verbosity, choice in: none, info, annoying
Asn1_verbosity = "none";
gNBs =
(
{
////////// Identification parameters:
gNB_ID = 0xe00;
gNB_name = "gNB-OAI";
// Tracking area code, 0x0000 and 0xfffe are reserved values
tracking_area_code = 1;
plmn_list = ({ mcc = 999; mnc = 70; mnc_length = 2; snssaiList = ({ sst = 1; }) });
nr_cellid = 12345678L;
////////// Physical parameters:
pdsch_AntennaPorts_XP = 1;
pusch_AntennaPorts = 1;
do_CSIRS = 0;
do_SRS = "none";
continuous_tx = "yes";
servingCellConfigCommon = (
{
#spCellConfigCommon
physCellId = 0;
# downlinkConfigCommon
#frequencyInfoDL
# this is 2574.270 MHz + 53 PRBs@30kHz SCS (same as initial BWP)
absoluteFrequencySSB = 530430; // 518670
dl_frequencyBand = 7;
# this is 3600 MHz
dl_absoluteFrequencyPointA = 528540;
#scs-SpecificCarrierList
dl_offstToCarrier = 0;
# subcarrierSpacing
# 0=kHz15, 1=kHz30, 2=kHz60, 3=kHz120
dl_subcarrierSpacing = 0;
dl_carrierBandwidth = 106;
#initialDownlinkBWP
#genericParameters
# this is RBstart=0,L=106 (275*(L-1))+RBstart
initialDLBWPlocationAndBandwidth = 28875; # 6366 12925 12956 28875 12952
# subcarrierSpacing
# 0=kHz15, 1=kHz30, 2=kHz60, 3=kHz120
initialDLBWPsubcarrierSpacing = 0;
#pdcch-ConfigCommon
initialDLBWPcontrolResourceSetZero = 6;
initialDLBWPsearchSpaceZero = 0;
#uplinkConfigCommon
#frequencyInfoUL
ul_frequencyBand = 7;
#scs-SpecificCarrierList
ul_offstToCarrier = 0;
# subcarrierSpacing
# 0=kHz15, 1=kHz30, 2=kHz60, 3=kHz120
ul_subcarrierSpacing = 0;
ul_carrierBandwidth = 106;
pMax = 20;
#initialUplinkBWP
#genericParameters
initialULBWPlocationAndBandwidth = 28875;
# subcarrierSpacing
# 0=kHz15, 1=kHz30, 2=kHz60, 3=kHz120
initialULBWPsubcarrierSpacing = 0;
#rach-ConfigCommon
#rach-ConfigGeneric
prach_ConfigurationIndex = 99;
#prach_msg1_FDM
#0 = one, 1=two, 2=four, 3=eight
prach_msg1_FDM = 0;
prach_msg1_FrequencyStart = 0;
zeroCorrelationZoneConfig = 13;
preambleReceivedTargetPower = -90;
#preamblTransMax (0...10) = (3,4,5,6,7,8,10,20,50,100,200)
preambleTransMax = 10;
#powerRampingStep
# 0=dB0,1=dB2,2=dB4,3=dB6
powerRampingStep = 1;
#ssb_perRACH_OccasionAndCB_PreamblesPerSSB_PR
#1=oneeighth,2=onefourth,3=half,4=one,5=two,6=four,7=eight,8=sixteen
ssb_perRACH_OccasionAndCB_PreamblesPerSSB_PR = 4;
#one (0..15) 4,8,12,16,...60,64
ssb_perRACH_OccasionAndCB_PreamblesPerSSB = 15;
#ra_ContentionResolutionTimer
#(0..7) 8,16,24,32,40,48,56,64
ra_ContentionResolutionTimer = 7;
rsrp_ThresholdSSB = 19;
#prach-RootSequenceIndex_PR
#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
#
msg1_SubcarrierSpacing = 0,
# restrictedSetConfig
# 0=unrestricted, 1=restricted type A, 2=restricted type B
restrictedSetConfig = 0,
msg3_DeltaPreamble = 2;
p0_NominalWithGrant =-90;
# pucch-ConfigCommon setup :
# pucchGroupHopping
# 0 = neither, 1= group hopping, 2=sequence hopping
pucchGroupHopping = 0;
hoppingId = 40;
p0_nominal = -90;
ssb_PositionsInBurst_Bitmap = 1;
# ssb_periodicityServingCell
# 0 = ms5, 1=ms10, 2=ms20, 3=ms40, 4=ms80, 5=ms160, 6=spare2, 7=spare1
ssb_periodicityServingCell = 2;
# dmrs_TypeA_position
# 0 = pos2, 1 = pos3
dmrs_TypeA_Position = 1;
# subcarrierSpacing
# 0=kHz15, 1=kHz30, 2=kHz60, 3=kHz120
subcarrierSpacing = 0;
#tdd-UL-DL-ConfigurationCommon
# subcarrierSpacing
# 0=kHz15, 1=kHz30, 2=kHz60, 3=kHz120
# referenceSubcarrierSpacing = 0;
# # pattern1
# # dl_UL_TransmissionPeriodicity
# # 0=ms0p5, 1=ms0p625, 2=ms1, 3=ms1p25, 4=ms2, 5=ms2p5, 6=ms5, 7=ms10
# dl_UL_TransmissionPeriodicity = 7;
# nrofDownlinkSlots = 7;
# nrofDownlinkSymbols = 6;
# nrofUplinkSlots = 2;
# nrofUplinkSymbols = 4;
# ssPBCH_BlockPower = -20;
}
);
# ------- SCTP definitions
SCTP :
{
# Number of streams to use in input/output
SCTP_INSTREAMS = 2;
SCTP_OUTSTREAMS = 2;
};
////////// AMF parameters:
amf_ip_address = ({ ipv4 = "127.0.0.5"; });
NETWORK_INTERFACES :
{
GNB_IPV4_ADDRESS_FOR_NG_AMF = "127.0.0.5/24";
GNB_IPV4_ADDRESS_FOR_NGU = "127.0.0.5/24";
GNB_PORT_FOR_S1U = 7777; # Spec 2152
};
}
);
MACRLCs = (
{
tr_s_preference = "local_L1";
tr_n_preference = "local_RRC";
pusch_TargetSNRx10 = 100;
pucch_TargetSNRx10 = 150;
pusch_FailureThres = 1500;
}
);
L1s = (
{
tr_n_preference = "local_mac";
pusch_proc_threads = 8;
prach_dtx_threshold = 210;
pucch0_dtx_threshold = 150;
ofdm_offset_divisor = 8; #set this to UINT_MAX for offset 0
}
);
RUs = (
{
local_rf = "yes";
nb_tx = 1;
nb_rx = 1;
att_tx = 10;
att_rx = 10;
bands = [7];
max_pdschReferenceSignalPower = -27;
max_rxgain = 60;
sf_extension = 0;
eNB_instances = [0];
sdr_addrs = "addr=192.168.10.2,second_addr=192.168.20.2,mgmt_addr=192.168.10.2,clock_source=external,time_source=internal"
}
);
security = {
# preferred ciphering algorithms
# the first one of the list that an UE supports in chosen
# valid values: nea0, nea1, nea2, nea3
ciphering_algorithms = ( "nea0" );
# preferred integrity algorithms
# the first one of the list that an UE supports in chosen
# valid values: nia0, nia1, nia2, nia3
integrity_algorithms = ( "nia2", "nia0" );
# setting 'drb_ciphering' to "no" disables ciphering for DRBs, no matter
# what 'ciphering_algorithms' configures; same thing for 'drb_integrity'
drb_ciphering = "yes";
drb_integrity = "no";
};
log_config :
{
global_log_level ="info";
hw_log_level ="info";
phy_log_level ="info";
mac_log_level ="info";
rlc_log_level ="info";
pdcp_log_level ="info";
rrc_log_level ="info";
ngap_log_level ="debug";
f1ap_log_level ="debug";
};
PRB.2x2.usrpn300.conf --usrp-tx-thread-config 1 --gNBs.[0].min_rxtxtime 14 | tee ~/log4.txt
CMDLINE: "./nr-softmodem" "-O" "../../../targets/PROJECTS/GENERIC-NR-5GC/CONF/gnb.sa.band78.fr1.162PRB.2x2.usrpn300.conf" "--usrp-tx-thread-config" "1" "--gNBs.[0].min_rxtxtime" "14"
[UTIL] running in SA mode (no --phy-test, --do-ra, --nsa option present)
[OPT] OPT disabled
[HW] Version: Branch: HEAD Abrev. Hash: 1c2f4d3c2e Date: Sun Sep 20 13:52:16 2026 +0200
[GNB_APP] Initialized RAN Context: RC.nb_nr_inst = 1, RC.nb_nr_macrlc_inst = 1, RC.nb_nr_L1_inst = 1, RC.nb_RU = 1, RC.nb_nr_CC[0] = 1
[NR_PHY] Initializing gNB RAN context: RC.nb_nr_L1_inst = 1
[NR_PHY] Registered with MAC interface module (0x563e69ae5820)
[NR_PHY] Initializing NR L1: RC.nb_nr_L1_inst = 1
[NR_PHY] thread cores for L1_RX -1 L1_TX -1
[NR_PHY] TX_AMP = 519 (-36 dBFS)
[PHY] No prs_config configuration found..!!
[GNB_APP] pdsch_AntennaPorts N1 1 N2 1 XP 1 pusch_AntennaPorts 1
[GNB_APP] minTXRXTIME 14
[GNB_APP] CSI-RS 0, SRS none, report type 0 (ssb_rsrp), 256 QAM may be on, delta_MCS off, maxMIMO_Layers -1, HARQ feedback enabled, num DLHARQ:16, num ULHARQ:16
[GNB_APP] No RedCap configuration found
[GNB_APP] No PTRS configuration found
[GNB_APP] sr_ProhibitTimer 0, sr_TransMax 64, sr_ProhibitTimer_v1700 0, t300 400, t301 400, t310 2000, n310 10, t311 3000, n311 1, t319 400
[NR_MAC] Candidates per PDCCH aggregation level on UESS: L1: 0, L2: 2, L4: 0, L8: 0, L16: 0
[RRC] Read in ServingCellConfigCommon (PhysCellId 0, ABSFREQSSB 530430, DLBand 7, ABSFREQPOINTA 528540, DLBW 106,RACH_TargetReceivedPower -90
[NR_MAC] nrarfcn 530430 is not on the channel raster for step size 20. N_OFFS:524000
[NR_MAC] Computing frequency (nrarfcn 530430 => 2652150 KHz, NR band 7
[RRC] absoluteFrequencySSB 530430 corresponds to 2652150000 Hz
[NR_MAC] Computing frequency (nrarfcn 528540 => 2642700 KHz, NR band 7
[NR_MAC] PUSCH Target 100 RSSI thresh 0 Failure 1500, PUCCH Target 150 RSSI thresh 0 Failure 10
[UTIL] threadCreate() for MAC_STATS: creating thread with affinity ffffffff, priority 2
[NR_PHY] Copying 0 blacklisted PRB to L1 context
[NR_MAC] Computing frequency (nrarfcn 528540 => 2642700 KHz, NR band 7
[NR_MAC] Computing frequency (nrarfcn 528540 => 2642700 KHz, NR band 7
[NR_MAC] Set TX antenna number to 1, Set RX antenna number to 1 (num ssb 1: 80000000,0)
[NR_MAC] Command line parameters for OAI UE: -C 2652240000 -r 106 --numerology 0 --band 7 --ssb 510
[PHY] DL frequency 2652240000 Hz, UL frequency 2652240000 Hz: uldl offset 0 Hz
[PHY] Initializing frame parms for mu 0, N_RB 106, Ncp 0
[PHY] Init: N_RB_DL 106, first_carrier_offset 1412, nb_prefix_samples 144,nb_prefix_samples0 160, ofdm_symbol_size 2048
[NR_MAC] TDA index 0: start 0 length 13 k2 14
[NR_PHY] No positioning_config configuration found..!!
[NR_RRC] SIB1 freq: offsetToPointA 42