I’m running the gnb-sa.cfg config (just changing the radio section):
#define NR_TDD 1 // Values: 0 (NR FDD), 1(NR TDD)
#define FR2 0 // Values: 0 (FR1), 1 (FR2)
#if FR2
#define UDC_TYPE 1 // Values: 0 (NO UDC), 1 (B2), 2 (A2), 3 (B4) (refer to application note to identify your UDC type)
#define NR_TDD_CONFIG 10 // Values: FR1: 1, 2, 3, 4 (compatible with LTE TDD config 2) FR2: 10
#define NR_BANDWIDTH 100 // NR cell bandwidth
#define IF_ATTENUATION -9 // Value: 10*log10(N_PORTS_COMBINER) + external evenutal IF attenuators
#else
#define NR_TDD_CONFIG 2 // Values: FR1: 1, 2, 3, 4 (compatible with LTE TDD config 2) FR2: 10
#define NR_BANDWIDTH 40 // NR cell bandwidth
#endif
#define N_ANTENNA_DL 1 // Values: 1 (SISO), 2 (MIMO 2x2), 4 (MIMO 4x4)
#define N_ANTENNA_UL 1 // Values: 1, 2, 4
#define NR_LONG_PUCCH_FORMAT 2 // Values: 2, 3, 4
/* define to 1 to enable periodic SRS with N_ANTENNA_UL ports. Uplink
SU-MIMO is also enabled if N_ANTENNA_UL >= 2. Not all UEs support
uplink SU-MIMO. */
#define USE_SRS 0
{
//log_options: "all.level=debug,all.max_size=1",
log_options: "all.level=error,all.max_size=0,nas.level=debug,nas.max_size=1,ngap.level=debug,ngap.max_size=1,xnap.level=debug,xnap.max_size=1,rrc.level=debug,rrc.max_size=1",
log_filename: "/tmp/gnb0.log",
/* Enable remote API and Web interface */
com_addr: "[::]:9001",
rf_driver: {
name: "limesuite",
logLevel: 5,
port0: "dev0",
port0_rx_path: "LNAH",
port0_tx_path: "BAND1",
dev0_rx_calibration: "all",
dev0_tx_calibration: "all",
},
tx_time_offset: -72,
tx_pad_duration: 30,
rx_ta_offset: 22,
tx_gain: 70.0,
rx_gain: 47.0,
#if FR2 == 1
udc_ports: [
{
#if UDC_TYPE == 1 // B2 type
#if N_ANTENNA_DL == 1
args: "/dev/ttyUSB0",
#elif N_ANTENNA_DL == 2
args: "/dev/ttyUSB0;/dev/ttyUSB1",
#else
#error Unsupported number of MIMO layers in FR2
#endif
#elif UDC_TYPE == 2 // A2 type
#if N_ANTENNA_DL == 1
args: "/dev/ttyACM0",
#elif N_ANTENNA_DL == 2
args: "/dev/ttyACM0;/dev/ttyACM1",
#else
#error Unsupported number of MIMO layers in FR2
#endif
#elif UDC_TYPE == 3 // B4 type
args: "/dev/ttyUSB0",
#else
#warning No UDC used for FR2 testing
#endif
cmd: "udc-auto-cfg.sh",
},
],
#endif
amf_list: [
{
/* address of AMF for NGAP connection. Must be modified if the AMF runs on a different host. */
amf_addr: "127.0.1.100",
},
],
/* GTP bind address (=address of the ethernet interface connected to
the AMF). Must be modified if the AMF runs on a different host. */
gtp_addr: "127.0.1.1",
#ifdef GTP_U_BUNDLING
gtp_use_packet_bundling: true,
#endif
gnb_id_bits: 28,
gnb_id: 0x12345,
en_dc_support: true,
rf_ports: [
{
#if FR2
udc_port: 0,
tx_power_offset:IF_ATTENUATION,
#endif
},
],
/* list of cells */
cell_list: [],
nr_cell_list: [
{
rf_port: 0,
cell_id: 0x01,
#if NR_TDD == 1
#if FR2
band: 257,
dl_nr_arfcn: 2079167, /* 28000.08 MHz */
subcarrier_spacing: 120, /* kHz */
ssb_pos_bitmap: "0100000000000000000000000000000000000000000000000000000000000000",
rx_to_tx_latency: 9, /* slots */
#else
band: 78,
dl_nr_arfcn: 632628, /* 3489.42 MHz */
subcarrier_spacing: 30, /* kHz */
ssb_pos_bitmap: "10000000",
#endif
#else
band: 7,
dl_nr_arfcn: 531000, /* 2680 MHz */
subcarrier_spacing: 15, /* kHz */
ssb_pos_bitmap: "1000",
#endif
},
], /* nr_cell_list */
nr_cell_default: {
bandwidth: NR_BANDWIDTH, /* MHz */
n_antenna_dl: N_ANTENNA_DL,
n_antenna_ul: N_ANTENNA_UL,
/* force the timing TA offset (optional) */
// n_timing_advance_offset: 39936,
/* subframe offset to align with the LTE TDD pattern (optional) */
// subframe_offset: 2,
#if NR_TDD == 1
tdd_ul_dl_config: {
#if NR_TDD_CONFIG == 1
pattern1: {
period: 5, /* in ms */
dl_slots: 7,
dl_symbols: /* 6 */ 2,
ul_slots: 2,
ul_symbols: 2,
},
#elif NR_TDD_CONFIG == 2
pattern1: {
period: 5, /* in ms */
dl_slots: 7,
dl_symbols: 6,
ul_slots: 2,
ul_symbols: 4,
},
#elif NR_TDD_CONFIG == 3
pattern1: {
period: 5, /* in ms */
dl_slots: 6,
dl_symbols: 2,
ul_slots: 3,
ul_symbols: 2,
},
#elif NR_TDD_CONFIG == 4
pattern1: {
period: 3, /* in ms */
dl_slots: 3,
dl_symbols: 6,
ul_symbols: 4,
ul_slots: 2,
},
pattern2: {
period: 2, /* in ms */
dl_slots: 4,
dl_symbols: 0,
ul_symbols: 0,
ul_slots: 0,
},
#elif NR_TDD_CONFIG == 10
/* only for FR2 */
pattern1: {
period: 0.625, /* in ms */
dl_slots: 3,
dl_symbols: 10,
ul_slots: 1,
ul_symbols: 2,
},
#endif
},
#endif
ssb_period: 20, /* in ms */
n_id_cell: 500,
plmn_list: [ {
tac: 100,
plmn: "00101",
reserved: false,
nssai: [
{
sst: 1,
},
/*{
sst: 2,
},
{
sst: 3,
sd: 50,
},*/
],
},
],
/*sib_sched_list: [
{
filename: "sib2_nr.asn",
si_periodicity: 16,
},
{
filename: "sib3_nr.asn",
si_periodicity: 16,
},
{
filename: "sib4_nr.asn",
si_periodicity: 32,
},
],
sib9: {
si_periodicity: 32
},*/
si_window_length: 40,
cell_barred: false,
intra_freq_reselection: true,
q_rx_lev_min: -70,
q_qual_min: -20,
//p_max: 10, /* dBm */
root_sequence_index: 1, /* PRACH root sequence index */
/* Scheduling request period (slots). */
sr_period: 40,
dmrs_type_a_pos: 2,
/* to limit the number of HARQ feedback in UL, use pdsch_harq_ack_max;
allows to workaround issues with SM-G977N for example */
//pdsch_harq_ack_max: 2,
prach: {
#if NR_TDD == 1
#if FR2
prach_config_index: 149, /* format C0, every 4 frames */
msg1_subcarrier_spacing: 120, /* kHz */
#else
#if NR_TDD_CONFIG == 4
prach_config_index: 156, /* format B4, subframe 2 */
#else
prach_config_index: 160, /* format B4, subframe 9 */
#endif
msg1_subcarrier_spacing: 30, /* kHz */
#endif
#else
prach_config_index: 16, /* subframe 1 every frame */
#endif
msg1_fdm: 1,
msg1_frequency_start: -1,
zero_correlation_zone_config: 15,
preamble_received_target_power: -110, /* in dBm */
preamble_trans_max: 7,
power_ramping_step: 4, /* in dB */
#if FR2 == 1
ra_response_window: 40, /* in slots */
#elif NR_TDD == 1
ra_response_window: 20, /* in slots */
#else
ra_response_window: 10, /* in slots */
#endif
restricted_set_config: "unrestricted_set",
ra_contention_resolution_timer: 64, /* in ms */
ssb_per_prach_occasion: 1,
cb_preambles_per_ssb: 8,
},
pdcch: {
search_space0_index: 0,
dedicated_coreset: {
rb_start: -1, /* -1 to have the maximum bandwidth */
l_crb: -1, /* -1 means all the bandwidth */
duration: 0, /* 0 means to automatically set it from the coreset bandwidth */
precoder_granularity: "sameAsREG_bundle",
},
css: {
n_candidates: [ 0, 0, 4, 0, 0 ],
},
rar_al_index: 2,
si_al_index: 2,
uss: {
n_candidates: [ 0, 4, 0, 0, 0 ],
dci_0_1_and_1_1: true,
},
al_index: 1,
},
#if FR2
k_min: 8,
#endif
pdsch: {
mapping_type: "typeA",
dmrs_add_pos: 1,
dmrs_type: 1,
dmrs_max_len: 1,
/* k0 delay in slots from DCI to PDSCH: automatic setting */
/* k1 delay in slots from PDSCH to PUCCH/PUSCH ACK/NACK: automatic setting */
mcs_table: "qam256",
rar_mcs: 2,
si_mcs: 6,
/* If defined, force the PDSCH MCS for all UEs. Otherwise it is computed
* based on DL channel quality estimation */
/* mcs: 24, */
},
csi_rs: {
resource_auto: {
nzp_csi_rs_period: 80,
#if FR2
trs_presence: false,
#endif
},
csi_report_config: [
{
report_config_type: "periodic",
period: 80,
},
],
},
pucch: {
pucch_group_hopping: "neither",
hopping_id: -1, /* -1 = n_cell_id */
p0_nominal: -96,
#if 0
pucch0: {
initial_cyclic_shift: 1,
n_symb: 1,
},
#else
pucch1: {
n_cs: 3,
n_occ: 3,
freq_hopping: true,
#if USE_SRS && NR_TDD == 0
n_symb: 12,
#endif
},
#endif
#if NR_LONG_PUCCH_FORMAT == 2
pucch2: {
n_symb: 2,
n_prb: 1,
freq_hopping: true,
simultaneous_harq_ack_csi: false,
max_code_rate: 0.25,
},
#elif NR_LONG_PUCCH_FORMAT == 3
pucch3: {
bpsk: false,
additional_dmrs: false,
freq_hopping: true,
n_prb: 1,
simultaneous_harq_ack_csi: true,
max_code_rate: 0.25,
},
#elif NR_LONG_PUCCH_FORMAT == 4
pucch4: {
occ_len: 4,
bpsk: false,
additional_dmrs: false,
freq_hopping: true,
simultaneous_harq_ack_csi: true,
max_code_rate: 0.25,
},
#endif
},
#if USE_SRS
srs: {
resource_auto: {
codebook: {
resource_type: "periodic",
period: 80, /* in slots */
}
}
},
#endif
pusch: {
mapping_type: "typeA",
n_symb: 14,
dmrs_add_pos: 1,
dmrs_type: 1,
dmrs_max_len: 1,
tf_precoding: false,
mcs_table: "qam256", /* without transform precoding */
mcs_table_tp: "qam256", /* with transform precoding */
ldpc_max_its: 5,
/* k2, msg3_k2 delay in slots from DCI to PUSCH: automatic setting */
p0_nominal_with_grant: -84,
msg3_mcs: 4,
msg3_delta_power: 0, /* in dB */
beta_offset_ack_index: 9,
#if USE_SRS
max_rank: N_ANTENNA_UL,
#endif
/* if defined, force the PUSCH MCS for all UEs. Otherwise it is
computed from the last received PUSCH. */
/* mcs: 16, */
},
/* MAC configuration */
mac_config: {
msg3_max_harq_tx: 5,
ul_max_harq_tx: 5, /* max number of HARQ transmissions for uplink */
dl_max_harq_tx: 5, /* max number of HARQ transmissions for downlink */
ul_max_consecutive_retx: 30, /* disconnect UE if reached */
dl_max_consecutive_retx: 30, /* disconnect UE if reached */
periodic_bsr_timer: 20,
retx_bsr_timer: 320,
periodic_phr_timer: 500,
prohibit_phr_timer: 200,
phr_tx_power_factor_change: "dB3",
sr_prohibit_timer: 0, /* in ms, 0 to disable the timer */
sr_trans_max: 64,
},
cipher_algo_pref: [],
integ_algo_pref: [2, 1],
inactivity_timer: 10000,
drb_config: "drb_nr.cfg",
},
}
