/* lteenb configuration file version 2023-06-07
 * Copyright (C) 2019-2023 Amarisoft
 * LTE cell MIMO 2x2 + 2CC NR cell */

#define TDD                  0   // Values: 0 (LTE FDD), 1(LTE TDD)
#define NR_TDD               1   // Values: 0 (NR FDD), 1(NR TDD)
#define NR_TDD_CONFIG        2   // Values: 1, 2, 3 or 4 (compatible with LTE TDD config 2)
#define N_RB_DL              100 // Values: 6 (1.4MHz), 25 (5MHz), 50 (10MHz), 75 (15MHz), 100 (20MHz)
#define N_ANTENNA_DL         2   // Values: 1 (SISO), 2 (MIMO 2x2), 4 (MIMO 4x4)
#define N_ANTENNA_UL         1   // Values: 1 (SISO), 2 (diversity 2RX), 4 (diversity 4RX)
#if NR_TDD == 1
#define NR_BANDWIDTH         100 // NR cell bandwidth
#else
#define NR_BANDWIDTH         60  // NR cell bandwidth
#endif
#define NR_LONG_PUCCH_FORMAT 2   // Values: 2, 3, 4

{
  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,s1ap.level=debug,s1ap.max_size=1,x2ap.level=debug,x2ap.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. */
      	/* TDD: force the RX antenna on the RX connector */
        args: "dev0=/dev/sdr0,dev1=/dev/sdr1,dev2=/dev/sdr2,dev3=/dev/sdr3,dev4=/dev/sdr4,dev5=/dev/sdr5",
        rx_antenna: "rx",

        /* synchronisation source: none, internal, gps, external (default = none) */
        // sync: "gps",
  },

  tx_gain: 70.0, /* TX gain (in dB) */
  rx_gain: 20.0, /* RX gain (in dB) */

    
  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",
    },
  ],
  /* GTP bind address (=address of the ethernet interface connected to
     the MME). Must be modified if the MME runs on a different host. */
  gtp_addr: "127.0.1.1",

  /* high 24 bits of SIB1.cellIdentifier */
  enb_id: 0x1A2D0,

  en_dc_support: true,

  /* list of cells */
  cell_list: [
  {
    rf_port: 0,
    /* Broadcasted PLMN identities */
    plmn_list: [
      "00101", 
    ],
    dl_earfcn: 300,   /* DL center frequency: 2140 MHz (Band 1) */
    n_id_cell: 1,
    cell_id: 0x01,
    tac: 0x0001,
    root_sequence_index: 120, /* PRACH root sequence index */
    scell_list: [
      {
        cell_id: 0x02,
        cross_carrier_scheduling: false,
      },
      {
        cell_id: 0x03,
        cross_carrier_scheduling: false,
      },
      {
        cell_id: 0x04,
        cross_carrier_scheduling: false,
      },
      {
        cell_id: 0x05,
        cross_carrier_scheduling: false,
      },
      {
        cell_id: 0x06,
        cross_carrier_scheduling: false,
      },      
    ],

  },
  {
    rf_port: 1,
    /* Broadcasted PLMN identities */
    plmn_list: [
      "00101", 
    ],
    dl_earfcn: 1476,   
    n_id_cell: 2,
    cell_id: 0x02,
    tac: 0x0001,
    root_sequence_index: 28, /* PRACH root sequence index */
    scell_list: [
      {
        cell_id: 0x01,
        cross_carrier_scheduling: false,
      },
      {
        cell_id: 0x03,
        cross_carrier_scheduling: false,
      },
      {
        cell_id: 0x04,
        cross_carrier_scheduling: false,
      },
      {
        cell_id: 0x05,
        cross_carrier_scheduling: false,
      },
      {
        cell_id: 0x06,
        cross_carrier_scheduling: false,
      },      
    ],

  },
{
    rf_port: 2,
    /* Broadcasted PLMN identities */
    plmn_list: [
      "00101", 
    ],
    dl_earfcn: 1674,   
    n_id_cell: 3,
    cell_id: 0x03,
    tac: 0x0001,
    root_sequence_index: 202, /* PRACH root sequence index */
    scell_list: [
      {
        cell_id: 0x01,
        cross_carrier_scheduling: false,
      },
      {
        cell_id: 0x02,
        cross_carrier_scheduling: false,
      },
      {
        cell_id: 0x04,
        cross_carrier_scheduling: false,
      },
      {
        cell_id: 0x05,
        cross_carrier_scheduling: false,
      },
      {
        cell_id: 0x06,
        cross_carrier_scheduling: false,
      },      
    ],

},
{
    rf_port: 3,
    /* Broadcasted PLMN identities */
    plmn_list: [
      "00101", 
    ],
    dl_earfcn: 3001,   
    n_id_cell: 4,
    cell_id: 0x04,
    tac: 0x0001,
    root_sequence_index: 156, /* PRACH root sequence index */
    scell_list: [
      {
        cell_id: 0x01,
        cross_carrier_scheduling: false,
      },
      {
        cell_id: 0x02,
        cross_carrier_scheduling: false,
      },
      {
        cell_id: 0x03,
        cross_carrier_scheduling: false,
      },
      {
        cell_id: 0x05,
        cross_carrier_scheduling: false,
      },
      {
        cell_id: 0x06,
        cross_carrier_scheduling: false,
      },      
    ],

},
{
    rf_port: 4,
    /* Broadcasted PLMN identities */
    plmn_list: [
      "00101", 
    ],
    dl_earfcn: 3199,   
    n_id_cell: 5,
    cell_id: 0x05,
    tac: 0x0001,
    root_sequence_index: 86, /* PRACH root sequence index */
    scell_list: [
      {
        cell_id: 0x01,
        cross_carrier_scheduling: false,
      },
      {
        cell_id: 0x02,
        cross_carrier_scheduling: false,
      },
      {
        cell_id: 0x03,
        cross_carrier_scheduling: false,
      },
      {
        cell_id: 0x04,
        cross_carrier_scheduling: false,
      },
      {
        cell_id: 0x06,
        cross_carrier_scheduling: false,
      },      
    ],

},
{
    rf_port: 5,
    /* Broadcasted PLMN identities */
    plmn_list: [
      "00101", 
    ],
    dl_earfcn: 9435,   
    n_id_cell: 6,
    cell_id: 0x06,
    tac: 0x0001,
    root_sequence_index: 134, /* PRACH root sequence index */
    scell_list: [
      {
        cell_id: 0x01,
        cross_carrier_scheduling: false,
      },
      {
        cell_id: 0x02,
        cross_carrier_scheduling: false,
      },
      {
        cell_id: 0x03,
        cross_carrier_scheduling: false,
      },
      {
        cell_id: 0x04,
        cross_carrier_scheduling: false,
      },
      {
        cell_id: 0x05,
        cross_carrier_scheduling: false,
      },      
    ],

  },

  ], /* cell_list */

  /* default cell parameters */
  cell_default: {
    n_antenna_dl: N_ANTENNA_DL, /* number of DL antennas */
    n_antenna_ul: 1, /* 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 for number of CCEs for UE specific PDCCH to
       2^pdcch_format. Otherwise it is computed from the reported
       CQI. Range: 0 to 3. */
    /* pdcch_format: 2,  */

    /* 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_r10: "cs",
      //tdd_ack_nack_feedback_mode: "bundling", /* TDD only */
      tdd_ack_nack_feedback_mode: "multiplexing", /* TDD only */
#endif
      /* number of PUCCH 1b CS resources. It determines
         the maximum number of UEs that can be scheduled in one TTI
         using carrier aggregation with PUCCH 1b CS ack/nack feedback. */
      n1_pucch_an_cs_count: 3,

      ack_nack_feedback_mode_ca: "pucch3",
      /* number of resource blocks for PUCCH 3. It determines
         the maximum number of UEs that can be scheduled in one TTI
         using carrier aggregation with PUCCH 3 ack/nack feedback. */
      n3_pucch_an_n_rb: 3, 
      },

    /* 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: 0, /* period (ms). Must be >= 32 for HD-FDD */
    ap_cqi_period: 40,
    ap_cqi_rm: "rm30",
    ap_cqi_trigger_list: [
       [0,1,2,3,4,5],
       [1,3,5],
       [0,2,4],
       [0,1,2,3],
       [2,3,4,5],
       [0,5],
    ],

#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: 0,
    //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",
  },


}