/* lteenb configuration file version 2023-12-15
 * Copyright (C) 2019-2023 Amarisoft
 * NR SA FDD or TDD cell */

#define TDD                 0 // Values: 0 (FDD), 1(TDD)
#define N_RB_DL             100 // Values: 6 (1.4 MHz), 15 (3MHz), 25 (5MHz), 50 (10MHz), 75 (15MHz), 100 (20MHz)
#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
#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         2   // 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: "sdr",

        /* list of devices. 'dev0' is always the master. */
        args: "dev0=/dev/sdr6,dev1=/dev/sdr7",
        /* TDD: force the RX antenna on the RX connector */
        rx_antenna: "rx",

        /* synchronisation source: none, internal, gps, external (default = none) */
        // sync: "gps",
        
#if FR2
        config_script: "rf_driver/udc-cfg.sh",
 
  #if UDC_TYPE == 1  // B2 type
    #if N_ANTENNA_DL == 1  
        config_script_params: "UDC_TYPE=B2 UDC_DEV=/dev/ttyUSB0 SDR_NUM=0 OUT_FREQ=28000080000;",
    #elif N_ANTENNA_DL == 2
        config_script_params: "UDC_TYPE=B2 UDC_DEV=/dev/ttyUSB0 SDR_NUM=0 OUT_FREQ=28000080000; UDC_TYPE=B2 UDC_DEV=/dev/ttyUSB1 SDR_NUM=0 OUT_FREQ=28000080000;",
    #else    
        #error Unsupported number of MIMO layers in FR2
    #endif 
  #elif UDC_TYPE == 2  // A2 type
    #if N_ANTENNA_DL == 1
        config_script_params: "UDC_TYPE=A2 UDC_DEV=/dev/ttyACM0 SDR_NUM=0 OUT_FREQ=28000080000;", 
    #elif N_ANTENNA_DL == 2
        config_script_params: "UDC_TYPE=A2 UDC_DEV=/dev/ttyACM0 SDR_NUM=0 OUT_FREQ=28000080000; UDC_TYPE=A2 UDC_DEV=/dev/ttyACM1 SDR_NUM=0 OUT_FREQ=28000080000;",
    #else
        #error Unsupported number of MIMO layers in FR2
    #endif
  #elif UDC_TYPE == 3  // B4 type
    config_script_params: "UDC_TYPE=B4 UDC_DEV=/dev/ttyUSB0 SDR_NUM=0 OUT_FREQ=28000080000;",
  #else
    #warning No UDC used for FR2 testing
  #endif
#endif
  },
  tx_gain: 90.0, /* TX gain (in dB) */
  rx_gain: 60.0, /* RX gain (in dB) */


  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",
    },
     {
      /* address of AMF for NGAP connection. Must be modified if the AMF runs on a different host. */
      amf_addr: "127.0.1.101",
    },
  ],

  mme_list: [
    {
      /* address of MME for S1AP connection. Must be modified if the MME
         runs on a different host. */
      mme_addr: "127.0.1.100",
    },
     {
      /* address of MME for S1AP connection. Must be modified if the MME
         runs on a different host. */
      mme_addr: "127.0.1.101",
    },

  ],


  /* 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,

  /* high 20 bits of SIB1.cellIdentifier */
  enb_id: 0x1A2D0,


  en_dc_support: true,


   /* list of cells */
  cell_list: [
  {
    /* Broadcasted PLMN identities */
    plmn_list: [
      "00101",
    ],
  
    rf_port: 0,

#if TDD == 1
    //dl_earfcn: 38050, /* 2600 MHz (band 38) */
    dl_earfcn: 40620, /* 2593 MHz (band 41) */
    //dl_earfcn: 42590, /* 3500 MHz (band 42) */
#else
    //dl_earfcn: 300,   /* DL center frequency: 2132 MHz (Band 1) */
    //dl_earfcn: 900,   /* DL center frequency: 1960 MHz (Band 2) */
    //dl_earfcn: 1575,  /* DL center frequency: 1842.5 MHz (Band 3) */
    //dl_earfcn: 2150,  /* DL center frequency: 2130 MHz (Band 4) */
    //dl_earfcn: 2525,  /* DL center frequency: 881.5 MHz (Band 5) */
    dl_earfcn: 3350,  /* DL center frequency: 2680 MHz (Band 7) */
    //dl_earfcn: 6300,  /* 806 MHz (Band 20) */
    //dl_earfcn: 38050, /* 2600 MHz (band 38) */
    //dl_earfcn: 40620, /* 2593 MHz (band 41) */
    //dl_earfcn: 42590, /* 3500 MHz (band 42) */
#endif

    n_id_cell: 1,
    cell_id: 0x01,
    tac: 0x0001,
    root_sequence_index: 204, /* PRACH root sequence index */
  },
  ], /* cell_list */


  nr_cell_list: [
  {
    rf_port: 1,
    cell_id: 0x02,
#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: 536000,  /* 2680 MHz */
    subcarrier_spacing: 15, /* kHz */
    ssb_pos_bitmap: "1000",
#endif
  },
  ], /* nr_cell_list */


  cell_default: {
    n_antenna_dl: N_ANTENNA_DL, /* number of DL antennas */
    n_antenna_ul: N_ANTENNA_UL, /* number of UL antennas */

#if TDD == 1
    uldl_config: 2, /* TDD only */
    sp_config: 7, /* TDD only */
#endif

    n_rb_dl: N_RB_DL, /* Bandwidth: 25: 5 MHz, 50: 10 MHz, 75: 15 MHz, 100: 20 MHz */
    cyclic_prefix: "normal",

    phich_duration: "normal",
    phich_resource: "1", /* ratio of NG */

    /* SIB1 */
    si_value_tag: 0, /* increment modulo 32 if SI is modified */
    cell_barred: false, /* SIB1.cellBarred-r13 */
    intra_freq_reselection: true, /* SIB1.intraFreqReselection */
    q_rx_lev_min: -70, /* SIB1.q-RxLevMin */
    p_max: 10, /* maximum power allowed for the UE (dBm) */
    si_window_length: 40, /* ms */
    sib_sched_list: [
      {
        filename: "sib2_3.asn",
        si_periodicity: 16, /* frames */
      },
    ],

#if N_RB_DL == 6
    si_coderate: 0.30,   /* maximum code rate for SI/RA/P-RNTI messages */
#else
    si_coderate: 0.20,   /* maximum code rate for SI/RA/P-RNTI messages */
#endif
    si_pdcch_format: 2, /* 2 or 3. Log2 of the number of CCEs for PDCCH
                           for SI/RA/P-RNTI */

    n_symb_cch: 0, /* number of symbols for CCH (0 = auto) */

    /* PDSCH dedicated config (currently same for all UEs) */
    pdsch_dedicated: {
#if N_ANTENNA_DL == 4
      p_a: -6,
#elif N_ANTENNA_DL == 2
      p_a: -3,
#else
      p_a: 0,
#endif
      p_b: -1, /* -1 means automatic */
    },

    /* if defined, force the PDSCH MCS for all UEs. Otherwise it is
       computed from the reported CQI */
    /* pdsch_mcs: 12, */

#if N_RB_DL == 6
    prach_config_index: 15, /* subframe 9 every 20 ms */
#else
    prach_config_index: 4, /* subframe 4 every 10 ms */
#endif
    prach_freq_offset: -1, /* -1 means automatic */

    /* PUCCH dedicated config (currently same for all UEs) */
    pucch_dedicated: {
      n1_pucch_sr_count: 11, /* increase if more UEs are needed */
      cqi_pucch_n_rb: 1, /* increase if more UEs are needed */
#if TDD == 1
      //tdd_ack_nack_feedback_mode: "bundling", /* TDD only */
      tdd_ack_nack_feedback_mode: "multiplexing", /* TDD only */
#endif
    },

    /* PUSCH dedicated config (currently same for all UEs) */
    pusch_dedicated: {
      beta_offset_ack_index: 9,
      beta_offset_ri_index: 6,
      beta_offset_cqi_index: 6,
    },

    pusch_hopping_offset: -1, /* -1 means automatic */

    /* MCS for Msg3 (=CCCH RRC Connection Request) */
    pusch_msg3_mcs: 0,

    /* this CQI value is assumed when none is received from the UE */
#if N_RB_DL == 6
    initial_cqi: 5,
#else
    initial_cqi: 3,
#endif

    /* if defined, force the PUSCH MCS for all UEs. Otherwise it is
       computed from the last received SRS/PUSCH. */
    //  pusch_mcs: 18, 
dl_256qam: true,
    ul_64qam: true,

    /* Scheduling request period (ms). Must be >= 40 for HD-FDD */
    sr_period: 20,

    /* CQI report config */
    cqi_period: 40, /* period (ms). Must be >= 32 for HD-FDD */

#if N_ANTENNA_DL >= 2
    /* RI reporting is done with a period of m_ri * cqi_period.
       m_ri = 0 (default) disables RI reporting. */
    m_ri: 8,
    /* transmission mode */
    transmission_mode: 3,
#endif

    /* SRS dedicated config. All UEs share these
       parameters. srs_config_index and freq_domain_position are
       allocated for each UE) */
    srs_dedicated: {
#if N_RB_DL == 6
      srs_bandwidth_config: 7,
      srs_bandwidth: 1,
#elif N_RB_DL == 15
      srs_bandwidth_config: 6,
      srs_bandwidth: 1,
#elif N_RB_DL == 25
      srs_bandwidth_config: 3,
      srs_bandwidth: 1,
#elif N_RB_DL == 50
      srs_bandwidth_config: 2,
      srs_bandwidth: 2,
#elif N_RB_DL == 75
      srs_bandwidth_config: 2,
      srs_bandwidth: 2,
#else
      srs_bandwidth_config: 2,
      srs_bandwidth: 3,
#endif
      srs_subframe_config: 3, /* 0 - 15 */
      srs_period: 40, /* period (ms). Must be >= 40 for HD-FDD */
      srs_hopping_bandwidth: 0,
    },

    /* MAC configuration (same for all UEs) */
    mac_config: {
       ul_max_harq_tx: 5, /* max number of HARQ transmissions for uplink */
       dl_max_harq_tx: 5, /* max number of HARQ transmissions for downlink */
    },
/* CPU load limitation */
    pusch_max_its: 6, /* max number of turbo decoder iterations */

    /* dynamic power control */
    dpc: true,
    dpc_pusch_snr_target: 25,
    dpc_pucch_snr_target: 20,

    /* RRC/UP ciphering algorithm preference. EEA0 is always the last. */
    cipher_algo_pref: [],
    /* RRC integrity algorithm preference. EIA0 is always the last. */
    integ_algo_pref: [2, 1],

    /* (in ms) send RRC connection release after this time of network
       inactivity */
    inactivity_timer: 10000,

    /* SRB configuration */
    srb_config: [
      {
        id: 1,
        maxRetxThreshold: 32,
        t_Reordering: 45,
        t_PollRetransmit: 60,
      },
      {
        id: 2 ,
        maxRetxThreshold: 32,
        t_Reordering: 45,
        t_PollRetransmit: 60,
      }
    ],

    /* DRB configuration */
    drb_config: "drb.cfg",
  },



  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: "46002",
      reserved: false,
      nssai: [
        {
         sst: 1,
        },
       ],
      },
    ],

    /*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",
  },
}