From 651a76000e324e74240d9b990a3e5db974e439a6 Mon Sep 17 00:00:00 2001 From: Fabian Eckermann Date: Tue, 21 Sep 2021 14:57:35 +0200 Subject: [PATCH] Add function to pack secondary cell group config for FDD. --- srsenb/hdr/stack/rrc/rrc_nr.h | 4 +- srsenb/src/stack/rrc/rrc_nr.cc | 210 +++++++++++++++++++++++++++------ 2 files changed, 180 insertions(+), 34 deletions(-) diff --git a/srsenb/hdr/stack/rrc/rrc_nr.h b/srsenb/hdr/stack/rrc/rrc_nr.h index 15b01e7f5..2b5c9932e 100644 --- a/srsenb/hdr/stack/rrc/rrc_nr.h +++ b/srsenb/hdr/stack/rrc/rrc_nr.h @@ -118,7 +118,9 @@ public: uint16_t rnti = SRSRAN_INVALID_RNTI; int pack_rrc_reconfiguraiton(asn1::dyn_octstring& packed_rrc_reconfig); - int pack_secondary_cell_group_config(asn1::dyn_octstring& packed_secondary_cell_config); + int pack_secondary_cell_group_config_common(asn1::rrc_nr::cell_group_cfg_s& cell_group_cfg_pack); + int pack_secondary_cell_group_config_fdd(asn1::dyn_octstring& packed_secondary_cell_config); + int pack_secondary_cell_group_config_tdd(asn1::dyn_octstring& packed_secondary_cell_config); int pack_nr_radio_bearer_config(asn1::dyn_octstring& packed_nr_bearer_config); int add_drb(); diff --git a/srsenb/src/stack/rrc/rrc_nr.cc b/srsenb/src/stack/rrc/rrc_nr.cc index cb7213307..535f8a62e 100644 --- a/srsenb/src/stack/rrc/rrc_nr.cc +++ b/srsenb/src/stack/rrc/rrc_nr.cc @@ -492,10 +492,8 @@ void rrc_nr::ue::send_dl_ccch(dl_ccch_msg_s* dl_ccch_msg) } // Helper for the RRC Reconfiguration sender to pack hard-coded config -int rrc_nr::ue::pack_secondary_cell_group_config(asn1::dyn_octstring& packed_secondary_cell_config) +int rrc_nr::ue::pack_secondary_cell_group_config_common(asn1::rrc_nr::cell_group_cfg_s& cell_group_cfg_pack) { - auto& cell_group_cfg_pack = cell_group_cfg; - // RLC for DRB1 (with fixed LCID) cell_group_cfg_pack.rlc_bearer_to_add_mod_list_present = true; cell_group_cfg_pack.rlc_bearer_to_add_mod_list.resize(1); @@ -635,7 +633,6 @@ int rrc_nr::ue::pack_secondary_cell_group_config(asn1::dyn_octstring& packed_sec pdsch_cfg_dedicated.setup().p_zp_csi_rs_res_set.setup().zp_csi_rs_res_id_list.resize(1); cell_group_cfg_pack.sp_cell_cfg.sp_cell_cfg_ded.first_active_dl_bwp_id_present = true; - cell_group_cfg_pack.sp_cell_cfg.sp_cell_cfg_ded.first_active_dl_bwp_id = 1; cell_group_cfg_pack.sp_cell_cfg.sp_cell_cfg_ded.ul_cfg_present = true; // UL config dedicated @@ -657,19 +654,10 @@ int rrc_nr::ue::pack_secondary_cell_group_config(asn1::dyn_octstring& packed_sec sr_res1.sched_request_id = 0; sr_res1.periodicity_and_offset_present = true; sr_res1.periodicity_and_offset.set_sl40(); - sr_res1.periodicity_and_offset.sl40() = 7; sr_res1.res_present = true; - sr_res1.res = 2; // PUCCH resource for SR // DL data ul_config.init_ul_bwp.pucch_cfg.setup().dl_data_to_ul_ack_present = true; - ul_config.init_ul_bwp.pucch_cfg.setup().dl_data_to_ul_ack.resize(6); - ul_config.init_ul_bwp.pucch_cfg.setup().dl_data_to_ul_ack[0] = 6; - ul_config.init_ul_bwp.pucch_cfg.setup().dl_data_to_ul_ack[1] = 5; - ul_config.init_ul_bwp.pucch_cfg.setup().dl_data_to_ul_ack[2] = 4; - ul_config.init_ul_bwp.pucch_cfg.setup().dl_data_to_ul_ack[3] = 4; - ul_config.init_ul_bwp.pucch_cfg.setup().dl_data_to_ul_ack[4] = 4; - ul_config.init_ul_bwp.pucch_cfg.setup().dl_data_to_ul_ack[5] = 4; // PUCCH Resource for format 1 srsran_pucch_nr_resource_t resource_small = {}; @@ -755,8 +743,8 @@ int rrc_nr::ue::pack_secondary_cell_group_config(asn1::dyn_octstring& packed_sec beta_offset_semi_static.beta_offset_ack_idx3_present = true; beta_offset_semi_static.beta_offset_ack_idx3 = 9; beta_offset_semi_static.beta_offset_csi_part1_idx1_present = true; - beta_offset_semi_static.beta_offset_csi_part1_idx2_present = true; beta_offset_semi_static.beta_offset_csi_part1_idx1 = 6; + beta_offset_semi_static.beta_offset_csi_part1_idx2_present = true; beta_offset_semi_static.beta_offset_csi_part1_idx2 = 6; beta_offset_semi_static.beta_offset_csi_part2_idx1_present = true; beta_offset_semi_static.beta_offset_csi_part2_idx1 = 6; @@ -796,10 +784,8 @@ int rrc_nr::ue::pack_secondary_cell_group_config(asn1::dyn_octstring& packed_sec nzp_csi_res.res_map.freq_band.nrof_rbs = 52; nzp_csi_res.pwr_ctrl_offset = 0; // Skip pwr_ctrl_offset_ss_present - nzp_csi_res.scrambling_id = 0; nzp_csi_res.periodicity_and_offset_present = true; nzp_csi_res.periodicity_and_offset.set_slots80(); - nzp_csi_res.periodicity_and_offset.slots80() = 0; // optional nzp_csi_res.qcl_info_periodic_csi_rs_present = true; nzp_csi_res.qcl_info_periodic_csi_rs = 0; @@ -810,9 +796,7 @@ int rrc_nr::ue::pack_secondary_cell_group_config(asn1::dyn_octstring& packed_sec cell_group_cfg_pack.sp_cell_cfg.sp_cell_cfg_ded.csi_meas_cfg.setup().nzp_csi_rs_res_set_to_add_mod_list.resize(1); auto& nzp_csi_res_set = cell_group_cfg_pack.sp_cell_cfg.sp_cell_cfg_ded.csi_meas_cfg.setup().nzp_csi_rs_res_set_to_add_mod_list[0]; - nzp_csi_res_set.nzp_csi_res_set_id = 0; nzp_csi_res_set.nzp_csi_rs_res.resize(1); - nzp_csi_res_set.nzp_csi_rs_res[0] = 0; // Skip TRS info // CSI report config @@ -826,7 +810,6 @@ int rrc_nr::ue::pack_secondary_cell_group_config(asn1::dyn_octstring& packed_sec csi_report.csi_im_res_for_interference = 1; csi_report.report_cfg_type.set_periodic(); csi_report.report_cfg_type.periodic().report_slot_cfg.set_slots80(); - csi_report.report_cfg_type.periodic().report_slot_cfg.slots80() = 8; csi_report.report_cfg_type.periodic().pucch_csi_res_list.resize(1); csi_report.report_cfg_type.periodic().pucch_csi_res_list[0].ul_bw_part_id = 0; csi_report.report_cfg_type.periodic().pucch_csi_res_list[0].pucch_res = 0; // was 17 in orig PCAP @@ -848,11 +831,11 @@ int rrc_nr::ue::pack_secondary_cell_group_config(asn1::dyn_octstring& packed_sec // Reconfig with Sync cell_group_cfg_pack.sp_cell_cfg.recfg_with_sync_present = true; cell_group_cfg_pack.sp_cell_cfg.recfg_with_sync.new_ue_id = rnti; - cell_group_cfg_pack.sp_cell_cfg.recfg_with_sync.smtc.release(); cell_group_cfg_pack.sp_cell_cfg.recfg_with_sync.t304 = recfg_with_sync_s::t304_opts::ms1000; cell_group_cfg_pack.sp_cell_cfg.recfg_with_sync.sp_cell_cfg_common_present = true; - cell_group_cfg_pack.sp_cell_cfg.recfg_with_sync.sp_cell_cfg_common.ss_pbch_block_pwr = 0; + cell_group_cfg_pack.sp_cell_cfg.recfg_with_sync.sp_cell_cfg_common.n_timing_advance_offset = + asn1::rrc_nr::serving_cell_cfg_common_s::n_timing_advance_offset_opts::n0; cell_group_cfg_pack.sp_cell_cfg.recfg_with_sync.sp_cell_cfg_common.dmrs_type_a_position = asn1::rrc_nr::serving_cell_cfg_common_s::dmrs_type_a_position_opts::pos2; cell_group_cfg_pack.sp_cell_cfg.recfg_with_sync.sp_cell_cfg_common.pci_present = true; @@ -866,13 +849,7 @@ int rrc_nr::ue::pack_secondary_cell_group_config(asn1::dyn_octstring& packed_sec cell_group_cfg_pack.sp_cell_cfg.recfg_with_sync.sp_cell_cfg_common.dl_cfg_common.freq_info_dl_present = true; cell_group_cfg_pack.sp_cell_cfg.recfg_with_sync.sp_cell_cfg_common.dl_cfg_common.freq_info_dl .absolute_freq_ssb_present = true; - cell_group_cfg_pack.sp_cell_cfg.recfg_with_sync.sp_cell_cfg_common.dl_cfg_common.freq_info_dl.absolute_freq_ssb = - 634176; // TODO: calculate from actual DL ARFCN - cell_group_cfg_pack.sp_cell_cfg.recfg_with_sync.sp_cell_cfg_common.dl_cfg_common.freq_info_dl.freq_band_list - .push_back(78); - cell_group_cfg_pack.sp_cell_cfg.recfg_with_sync.sp_cell_cfg_common.dl_cfg_common.freq_info_dl.absolute_freq_point_a = - 633928; // TODO: calculate from actual DL ARFCN cell_group_cfg_pack.sp_cell_cfg.recfg_with_sync.sp_cell_cfg_common.dl_cfg_common.freq_info_dl .scs_specific_carrier_list.resize(1); @@ -896,7 +873,6 @@ int rrc_nr::ue::pack_secondary_cell_group_config(asn1::dyn_octstring& packed_sec auto& pdcch_cfg_common = cell_group_cfg_pack.sp_cell_cfg.recfg_with_sync.sp_cell_cfg_common.dl_cfg_common.init_dl_bwp.pdcch_cfg_common; pdcch_cfg_common.set_setup(); - pdcch_cfg_common.setup().ext = false; pdcch_cfg_common.setup().common_ctrl_res_set_present = true; pdcch_cfg_common.setup().common_ctrl_res_set.ctrl_res_set_id = 1; pdcch_cfg_common.setup().common_ctrl_res_set.freq_domain_res.from_number( @@ -973,7 +949,6 @@ int rrc_nr::ue::pack_secondary_cell_group_config(asn1::dyn_octstring& packed_sec cell_group_cfg_pack.sp_cell_cfg.recfg_with_sync.sp_cell_cfg_common.ul_cfg_common.init_ul_bwp.rach_cfg_common; rach_cfg_common_pack.set_setup(); - rach_cfg_common_pack.setup().rach_cfg_generic.prach_cfg_idx = 0; rach_cfg_common_pack.setup().rach_cfg_generic.msg1_fdm = rach_cfg_generic_s::msg1_fdm_opts::one; rach_cfg_common_pack.setup().rach_cfg_generic.msg1_freq_start = 1; rach_cfg_common_pack.setup().rach_cfg_generic.zero_correlation_zone_cfg = 0; @@ -1024,12 +999,181 @@ int rrc_nr::ue::pack_secondary_cell_group_config(asn1::dyn_octstring& packed_sec // SSB config (optional) cell_group_cfg_pack.sp_cell_cfg.recfg_with_sync.sp_cell_cfg_common.ssb_positions_in_burst_present = true; auto& ssb_pos_in_burst = cell_group_cfg_pack.sp_cell_cfg.recfg_with_sync.sp_cell_cfg_common.ssb_positions_in_burst; - ssb_pos_in_burst.set_medium_bitmap().from_number(0b10000000); cell_group_cfg_pack.sp_cell_cfg.recfg_with_sync.sp_cell_cfg_common.ssb_periodicity_serving_cell_present = true; cell_group_cfg_pack.sp_cell_cfg.recfg_with_sync.sp_cell_cfg_common.ssb_periodicity_serving_cell = serving_cell_cfg_common_s::ssb_periodicity_serving_cell_opts::ms20; - // TDD UL-DL config + return SRSRAN_SUCCESS; +} + +// Helper for the RRC Reconfiguration sender to pack hard-coded config +int rrc_nr::ue::pack_secondary_cell_group_config_fdd(asn1::dyn_octstring& packed_secondary_cell_config) +{ + + auto& cell_group_cfg_pack = cell_group_cfg; + pack_secondary_cell_group_config_common(cell_group_cfg); + + cell_group_cfg_pack.sp_cell_cfg.sp_cell_cfg_ded.first_active_dl_bwp_id = 0; + cell_group_cfg_pack.sp_cell_cfg.sp_cell_cfg_ded.ul_cfg_present = true; + + // UL config dedicated + auto& ul_config = cell_group_cfg_pack.sp_cell_cfg.sp_cell_cfg_ded.ul_cfg; + // SR resources + auto& sr_res1 = ul_config.init_ul_bwp.pucch_cfg.setup().sched_request_res_to_add_mod_list[0]; + sr_res1.periodicity_and_offset.sl40() = 4; + sr_res1.res_present = true; + sr_res1.res = 16; // PUCCH resource for SR + + // DL data + ul_config.init_ul_bwp.pucch_cfg.setup().dl_data_to_ul_ack_present = true; + ul_config.init_ul_bwp.pucch_cfg.setup().dl_data_to_ul_ack.resize(1); + ul_config.init_ul_bwp.pucch_cfg.setup().dl_data_to_ul_ack[0] = 4; + + // nzp-CSI-RS Resource + auto& nzp_csi_res = + cell_group_cfg_pack.sp_cell_cfg.sp_cell_cfg_ded.csi_meas_cfg.setup().nzp_csi_rs_res_to_add_mod_list[0]; + nzp_csi_res.scrambling_id = 500; + nzp_csi_res.periodicity_and_offset_present = true; + nzp_csi_res.periodicity_and_offset.set_slots80(); + nzp_csi_res.periodicity_and_offset.slots80() = 1; + + // nzp-CSI-RS ResourceSet + auto& nzp_csi_res_set = + cell_group_cfg_pack.sp_cell_cfg.sp_cell_cfg_ded.csi_meas_cfg.setup().nzp_csi_rs_res_set_to_add_mod_list[0]; + nzp_csi_res_set.nzp_csi_res_set_id = 1; + nzp_csi_res_set.nzp_csi_rs_res[0] = 1; + + // CSI report config + auto& csi_report = + cell_group_cfg_pack.sp_cell_cfg.sp_cell_cfg_ded.csi_meas_cfg.setup().csi_report_cfg_to_add_mod_list[0]; + csi_report.report_cfg_type.periodic().report_slot_cfg.slots80() = 5; + + // Reconfig with Sync + cell_group_cfg_pack.sp_cell_cfg.recfg_with_sync.sp_cell_cfg_common_present = true; + cell_group_cfg_pack.sp_cell_cfg.recfg_with_sync.sp_cell_cfg_common.ss_pbch_block_pwr = -36; + + // DL config + cell_group_cfg_pack.sp_cell_cfg.recfg_with_sync.sp_cell_cfg_common.dl_cfg_common_present = true; + cell_group_cfg_pack.sp_cell_cfg.recfg_with_sync.sp_cell_cfg_common.dl_cfg_common.freq_info_dl.absolute_freq_ssb = + 176210; // TODO: calculate from actual DL ARFCN + + cell_group_cfg_pack.sp_cell_cfg.recfg_with_sync.sp_cell_cfg_common.dl_cfg_common.freq_info_dl.freq_band_list + .push_back(5); + cell_group_cfg_pack.sp_cell_cfg.recfg_with_sync.sp_cell_cfg_common.dl_cfg_common.freq_info_dl.absolute_freq_point_a = + 175364; // TODO: calculate from actual DL ARFCN + + // RACH config + cell_group_cfg_pack.sp_cell_cfg.recfg_with_sync.sp_cell_cfg_common.ul_cfg_common.init_ul_bwp.rach_cfg_common_present = + true; + auto& rach_cfg_common_pack = + cell_group_cfg_pack.sp_cell_cfg.recfg_with_sync.sp_cell_cfg_common.ul_cfg_common.init_ul_bwp.rach_cfg_common; + + rach_cfg_common_pack.set_setup(); + rach_cfg_common_pack.setup().rach_cfg_generic.prach_cfg_idx = 16; + + // SSB config (optional) + cell_group_cfg_pack.sp_cell_cfg.recfg_with_sync.sp_cell_cfg_common.ssb_positions_in_burst_present = true; + auto& ssb_pos_in_burst = cell_group_cfg_pack.sp_cell_cfg.recfg_with_sync.sp_cell_cfg_common.ssb_positions_in_burst; + ssb_pos_in_burst.set_short_bitmap().from_number(0b1000); + + // make sufficiant space + packed_secondary_cell_config.resize(256); + asn1::bit_ref bref_pack(packed_secondary_cell_config.data(), packed_secondary_cell_config.size()); + if (cell_group_cfg_pack.pack(bref_pack) != asn1::SRSASN_SUCCESS) { + parent->logger.error("Failed to pack NR secondary cell config"); + return SRSRAN_ERROR; + } + packed_secondary_cell_config.resize(bref_pack.distance_bytes()); + + return SRSRAN_SUCCESS; +} + +// Helper for the RRC Reconfiguration sender to pack hard-coded config +int rrc_nr::ue::pack_secondary_cell_group_config_tdd(asn1::dyn_octstring& packed_secondary_cell_config) +{ + + auto& cell_group_cfg_pack = cell_group_cfg; + pack_secondary_cell_group_config_common(cell_group_cfg); + + cell_group_cfg_pack.sp_cell_cfg.sp_cell_cfg_ded.first_active_dl_bwp_id = 1; + cell_group_cfg_pack.sp_cell_cfg.sp_cell_cfg_ded.ul_cfg_present = true; + + // UL config dedicated + auto& ul_config = cell_group_cfg_pack.sp_cell_cfg.sp_cell_cfg_ded.ul_cfg; + // SR resources + auto& sr_res1 = ul_config.init_ul_bwp.pucch_cfg.setup().sched_request_res_to_add_mod_list[0]; + // SR resources + sr_res1.periodicity_and_offset.sl40() = 7; + sr_res1.res_present = true; + sr_res1.res = 2; // PUCCH resource for SR + + // DL data + ul_config.init_ul_bwp.pucch_cfg.setup().dl_data_to_ul_ack_present = true; + ul_config.init_ul_bwp.pucch_cfg.setup().dl_data_to_ul_ack.resize(6); + ul_config.init_ul_bwp.pucch_cfg.setup().dl_data_to_ul_ack[0] = 6; + ul_config.init_ul_bwp.pucch_cfg.setup().dl_data_to_ul_ack[1] = 5; + ul_config.init_ul_bwp.pucch_cfg.setup().dl_data_to_ul_ack[2] = 4; + ul_config.init_ul_bwp.pucch_cfg.setup().dl_data_to_ul_ack[3] = 4; + ul_config.init_ul_bwp.pucch_cfg.setup().dl_data_to_ul_ack[4] = 4; + ul_config.init_ul_bwp.pucch_cfg.setup().dl_data_to_ul_ack[5] = 4; + + // nzp-CSI-RS Resource + auto& nzp_csi_res = + cell_group_cfg_pack.sp_cell_cfg.sp_cell_cfg_ded.csi_meas_cfg.setup().nzp_csi_rs_res_to_add_mod_list[0]; + nzp_csi_res.scrambling_id = 0; + nzp_csi_res.periodicity_and_offset_present = true; + nzp_csi_res.periodicity_and_offset.set_slots80(); + nzp_csi_res.periodicity_and_offset.slots80() = 0; + + // nzp-CSI-RS ResourceSet + auto& nzp_csi_res_set = + cell_group_cfg_pack.sp_cell_cfg.sp_cell_cfg_ded.csi_meas_cfg.setup().nzp_csi_rs_res_set_to_add_mod_list[0]; + nzp_csi_res_set.nzp_csi_res_set_id = 0; + nzp_csi_res_set.nzp_csi_rs_res[0] = 0; + // Skip TRS info + + // CSI report config + auto& csi_report = + cell_group_cfg_pack.sp_cell_cfg.sp_cell_cfg_ded.csi_meas_cfg.setup().csi_report_cfg_to_add_mod_list[0]; + csi_report.report_cfg_type.periodic().report_slot_cfg.slots80() = 8; + + // Reconfig with Sync + cell_group_cfg_pack.sp_cell_cfg.recfg_with_sync.smtc.release(); + + cell_group_cfg_pack.sp_cell_cfg.recfg_with_sync.sp_cell_cfg_common_present = true; + cell_group_cfg_pack.sp_cell_cfg.recfg_with_sync.sp_cell_cfg_common.ss_pbch_block_pwr = 0; + + // DL config + cell_group_cfg_pack.sp_cell_cfg.recfg_with_sync.sp_cell_cfg_common.dl_cfg_common_present = true; + cell_group_cfg_pack.sp_cell_cfg.recfg_with_sync.sp_cell_cfg_common.dl_cfg_common.freq_info_dl.absolute_freq_ssb = + 634176; // TODO: calculate from actual DL ARFCN + + cell_group_cfg_pack.sp_cell_cfg.recfg_with_sync.sp_cell_cfg_common.dl_cfg_common.freq_info_dl.freq_band_list + .push_back(78); + cell_group_cfg_pack.sp_cell_cfg.recfg_with_sync.sp_cell_cfg_common.dl_cfg_common.freq_info_dl.absolute_freq_point_a = + 633928; // TODO: calculate from actual DL ARFCN + + auto& pdcch_cfg_common = + cell_group_cfg_pack.sp_cell_cfg.recfg_with_sync.sp_cell_cfg_common.dl_cfg_common.init_dl_bwp.pdcch_cfg_common; + pdcch_cfg_common.set_setup(); + pdcch_cfg_common.setup().ext = false; + + + // RACH config + cell_group_cfg_pack.sp_cell_cfg.recfg_with_sync.sp_cell_cfg_common.ul_cfg_common.init_ul_bwp.rach_cfg_common_present = + true; + auto& rach_cfg_common_pack = + cell_group_cfg_pack.sp_cell_cfg.recfg_with_sync.sp_cell_cfg_common.ul_cfg_common.init_ul_bwp.rach_cfg_common; + + rach_cfg_common_pack.set_setup(); + rach_cfg_common_pack.setup().rach_cfg_generic.prach_cfg_idx = 0; + + // SSB config (optional) + cell_group_cfg_pack.sp_cell_cfg.recfg_with_sync.sp_cell_cfg_common.ssb_positions_in_burst_present = true; + auto& ssb_pos_in_burst = cell_group_cfg_pack.sp_cell_cfg.recfg_with_sync.sp_cell_cfg_common.ssb_positions_in_burst; + ssb_pos_in_burst.set_medium_bitmap().from_number(0b10000000); + + // // TDD UL-DL config cell_group_cfg_pack.sp_cell_cfg.recfg_with_sync.sp_cell_cfg_common.tdd_ul_dl_cfg_common_present = true; auto& tdd_config = cell_group_cfg_pack.sp_cell_cfg.recfg_with_sync.sp_cell_cfg_common.tdd_ul_dl_cfg_common; tdd_config.ref_subcarrier_spacing = subcarrier_spacing_e::khz15; @@ -1060,8 +1204,8 @@ int rrc_nr::ue::pack_rrc_reconfiguraiton(asn1::dyn_octstring& packed_rrc_reconfi // add secondary cell group config recfg_ies.secondary_cell_group_present = true; - if (pack_secondary_cell_group_config(recfg_ies.secondary_cell_group) == SRSRAN_ERROR) { - parent->logger.error("Failed to pack RRC Reconfiguration"); + if (pack_secondary_cell_group_config_tdd(recfg_ies.secondary_cell_group) == SRSRAN_ERROR) { + parent->logger.error("Failed to pack TDD RRC Reconfiguration"); return SRSRAN_ERROR; }