/* lteenb configuration file version 2024-04-17
 * Copyright (C) 2019-2024 Amarisoft
 * NR SA FDD or TDD FR1 cell with RedCap support */


#define NR_TDD               0   // Values: 0 (NR FDD), 1(NR TDD)
#define NR_BANDWIDTH         40  // NR cell bandwidth
#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              1

#ifndef INITIAL_RC_BWP
#define INITIAL_RC_BWP 1
#endif

{
  //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. */
#if N_ANTENNA_DL >= 4
        args: "dev0=/dev/sdr0,dev1=/dev/sdr1",
#else
        args: "dev0=/dev/sdr0",
#endif
        /* TDD: force the RX antenna on the RX connector */
        rx_antenna: "rx",

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

  /* list of cells */
  cell_list: [],

  nr_cell_list: [
  {
    rf_port: 0,
    cell_id: 0x01,
#if NR_TDD == 1
    band: 78,
    dl_nr_arfcn: 632628,  /* 3489.42 MHz */
    subcarrier_spacing: 30, /* kHz */
    ssb_pos_bitmap: "10000000",
#else
    band: 7,
    dl_nr_arfcn: 531000,  /* 2655 MHz */
    subcarrier_spacing: 15, /* kHz */
    ssb_pos_bitmap: "0100",
#endif
    force_dl_schedule : true,
    pdsch_mcs:2,
    force_full_bsr: true,
  },
  ], /* 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: {
      pattern1: {
        period: 5, /* in ms */
        dl_slots: 7,
        dl_symbols: 6,
        ul_slots: 2,
        ul_symbols: 4,
      },
    },
#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,
	
	first_active_dl_bwp_id: 0,
    first_active_ul_bwp_id: 0,
    //half_duplex: false,

    prach: {
#if NR_TDD == 1
      prach_config_index: 160, /* format B4, subframe 9 */
      msg1_subcarrier_spacing: 30, /* kHz */
#else
      prach_config_index: 16, /* subframe 1 every frame */
#endif
      msg1_fdm: 1,
      msg1_frequency_start: 6,
      zero_correlation_zone_config: 15,
      preamble_received_target_power: -110, /* in dBm */
      preamble_trans_max: 7,
      power_ramping_step: 4, /* in dB */
#if 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: {
        n_rb_coreset0: 48,
        n_symb_coreset0: 1,
        search_space0_index: 0,
        dedicated_coreset: {
          duration: 2,
        },
        css: {
          n_candidates: [ 0, 4, 2, 1, 0 ],
        },
        rar_al_index: 2,
        si_al_index: 2,
        
        uss: {
          n_candidates: [ 0, 4, 2, 0, 0 ],
          dci_0_1_and_1_1: true,
        },
        al_index: 1,
    },

    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,
      },
      csi_report_config: [
        {
          report_config_type: "periodic",
          period: 80,
        },
#if NR_BANDWIDTH > 20
        {
          report_config_type: "periodic",
          period: 80,
          dl_bwp_id: 1,
          ul_bwp_id: 1,
        }
#endif
      ],
    },
    
    pucch: {
      pucch_group_hopping: "neither",
      hopping_id: -1, /* -1 = n_cell_id */
      p0_nominal: -96,
#if 1
        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: {
#if NR_BANDWIDTH > 20
      ra_type: "type0", /* Allow for not contiguous allocation around PUCCH of Redcap BWP */
#endif
      dmrs_add_pos: 1,
      mcs_table: "qam256",
      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 */
#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,
    },

    dl_bwp: [
       {
        bwp_id: 1,
        dl_bwp_rb_start: 0,
        dl_bwp_l_crb: 51,
        dl_bwp_access: "redcap_only",

        pdcch: {
          dedicated_coreset: {},
          css: {},
          uss: {},
        },

        pdsch: {
          mcs_table: "qam64LowSE",
        },
      },
      {
        bwp_id: 2,
        dl_bwp_rb_start: 53,
        dl_bwp_l_crb: 51,
        dl_bwp_access: "redcap_only",
        ssb_nr_arfcn: 0,//532620,

        pdcch: {
          common_coreset: {},
          dedicated_coreset: {},
          css: {},
          uss: {},
        },

        pdsch: {
          mcs_table: "qam256",
        },
    }],

    ul_bwp: [
      {
        bwp_id: 1,
        ul_bwp_rb_start: 0,
        ul_bwp_l_crb: 51,
        ul_bwp_access: "redcap_only",

        pucch: {
            n_rb_max: 3,
            short_pucch_an_rsc_count: 4,
            long_pucch_an_rsc_count: 4,
        },
        pusch: {
          ra_type: "type1",
          mcs_table: "qam64LowSE", /* without transform precoding */
        },
        srs: {
          resource_auto: {
            codebook: {
              resource_type: "periodic",
              period: 80,
            }
          }
        },
#if INITIAL_RC_BWP == 1
        prach: {
          msg1_frequency_start: 12
        },
#endif
      },
      {
        bwp_id: 2,
        ul_bwp_rb_start: 53,
        ul_bwp_l_crb: 51,
        ul_bwp_access: "redcap_only",

        pucch: {
            n_rb_max: 3,
            short_pucch_an_rsc_count: 4,
            long_pucch_an_rsc_count: 4,
        },
        pusch: {
          ra_type: "type1",
          mcs_table: "qam64LowSE", /* without transform precoding */
        },
#if INITIAL_RC_BWP == 2
        prach: {
          msg1_frequency_start: 0
        },
#endif
    }],

    redcap_ue: {
        half_duplex: {
            //dl_k1_max: 10,
            dl_ul_guard_symb: 2,
            ul_dl_guard_symb: 1,
            dl_bwp_list: [ 1, 2 ],
            ul_bwp_list: [ 1, 2 ],
        },
        initial_dl_bwp_id: INITIAL_RC_BWP,
        initial_ul_bwp_id: INITIAL_RC_BWP,
    },

    cipher_algo_pref: [],
    integ_algo_pref: [2, 1],

    inactivity_timer: 10000,

    drb_config: "drb_nr.cfg",
  },
}