/* lteenb configuration file version 2026-06-12 * Copyright (C) 2019-2026 Amarisoft * NR SA FDD or TDD cell */ #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 eventual 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 30 // NR cell bandwidth #endif #define N_ANTENNA_DL 4 // Values: 1 (SISO), 2 (MIMO 2x2), 4 (MIMO 4x4) #define N_ANTENNA_UL 4 // Values: 1, 2, 4 #define NR_LONG_PUCCH_FORMAT 0 // Values: 0 (automatic), 2, 3 or 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,s72.level=warn,nas.level=debug,ngap.level=debug,rrc.level=debug", log_filename: "/tmp/gnb0.log", /* Enable remote API and Web interface */ com_addr: "[::]:9001", license_server: { server_addr: "10.50.0.8", tag: "gNB" }, rf_driver: { name: "s72", /* COSMOS hosts run phc2sys -O 0: CLOCK_REALTIME is already TAI, so add nothing */ tai_offset: 0, rf_ports: [{ subcarrier_spacing: 30, max_pdu_size: 9000, /* vendor example values (trx_s72 2026-09-11 config.enb); ta3_max wide, like OCUDU's ta4_max 1960 */ t1a_max_cp_dl: 400, t1a_max_up_dl: 200, t1a_min_cp_dl: 250, t1a_min_up_dl: 100, t1a_max_cp_ul: 400, t1a_min_cp_ul: 250, ta3_max: 300, transport: "ethernet", bind_interface: "DATA1a.4", /* set by start72.sh (FH VLAN sub-iface) */ remote_addr: "e8:c7:4f:25:89:39", /* O-RU fronthaul MAC */ }], }, tx_gain: 0, /* s72: power set at the RU */ rx_gain: 0, #if FR2 == 1 && UDC_TYPE != 0 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", "5qi_dscp_mapping": [ { "5qi": 1, dscp: 0x2e }, { "5qi": 65, dscp: 0x2e } ] }, ], /* 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: [ { s72: { ud_comp_hdr: 0x91, /* BFP comp: 0x91=BF9, 0x81=BF8, 0xc1=BF12, 0=none */ port_mapping_prach: [4, 5, 6, 7], /* LiteOn golden: PRACH eAxC 4,5,6,7 */ }, }, ], /* list of cells */ cell_list: [], nr_cell_list: [ { /* 4 DL ports raise RSRP ~14 dB vs 1 port; advertise the SSB hotter so UE UL power compensates */ manual_ref_signal_power: true, ss_pbch_block_power: -30, 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: 650000, /* carrier center NR-ARFCN */ subcarrier_spacing: 30, /* kHz */ ssb_subcarrier_spacing: 30, ssb_pos_bitmap: "10000000", rx_to_tx_latency: 8, #endif #else #if NR_BANDWIDTH == 3 band: 106, dl_nr_arfcn: 187500, /* 937.5 */ ssb_pos_bitmap: "0100", #else band: 7, dl_nr_arfcn: 531000, /* 2655 MHz */ ssb_pos_bitmap: "1000", #endif subcarrier_spacing: 15, /* kHz */ #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 - 15kHz: 5 slots, DDDSU */ dl_slots: 3, dl_symbols: 10, ul_slots: 1, ul_symbols: 2, }, #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: 1, 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, #if NR_BANDWIDTH == 3 dmrs_type_a_pos: 3, #else dmrs_type_a_pos: 2, #endif /* 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: { p0_nominal: -96, resource_auto: { #if NR_LONG_PUCCH_FORMAT == 2 formats: "format_0_and_2" #elif NR_LONG_PUCCH_FORMAT == 3 formats: "format_1_and_3" #elif NR_LONG_PUCCH_FORMAT == 4 formats: "format_1_and_4" #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: -70, /* was -84: UE sat at PHR 38 dB, PUSCH SNR -3 */ 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", }, }