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increased rrc inactivity timer to avoid unnecessary pagings while 

setting up an initial enb-ue iperf connection
This commit is contained in:
Francisco Paisana 2020-08-19 17:59:45 +01:00
parent 00940f0dbf
commit b47f8e6c1a
5 changed files with 20 additions and 14 deletions
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6
srsenb/hdr/enb.h
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@ -87,7 +87,7 @@ struct gui_args_t {
};
struct general_args_t {
int32_t rrc_inactivity_timer;
uint32_t rrc_inactivity_timer;
float metrics_period_secs;
bool metrics_csv_enable;
std::string metrics_csv_filename;
@ -143,8 +143,8 @@ private:
std::unique_ptr<srslte::radio_base> radio = nullptr;
std::unique_ptr<enb_phy_base> phy = nullptr;
srslte::logger* logger = nullptr;
srslte::log_ref log; // Own logger for eNB
srslte::logger* logger = nullptr;
srslte::log_ref log; // Own logger for eNB
srslte::log_filter pool_log;

17
srsenb/src/enb_cfg_parser.cc
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@ -954,13 +954,16 @@ int set_derived_args(all_args_t* args_, rrc_cfg_t* rrc_cfg_, phy_cfg_t* phy_cfg_
rrc_cfg_->sibs[1].sib2().rr_cfg_common.pdsch_cfg_common.p_b = 1;
}
if (args_->general.rrc_inactivity_timer == -1) {
uint32_t t310 = rrc_cfg_->sibs[1].sib2().ue_timers_and_consts.t310.to_number();
uint32_t t311 = rrc_cfg_->sibs[1].sib2().ue_timers_and_consts.t311.to_number();
uint32_t n310 = rrc_cfg_->sibs[1].sib2().ue_timers_and_consts.n310.to_number();
rrc_cfg_->inactivity_timeout_ms = t310 + t311 + n310 + 50;
} else {
rrc_cfg_->inactivity_timeout_ms = args_->general.rrc_inactivity_timer;
rrc_cfg_->inactivity_timeout_ms = args_->general.rrc_inactivity_timer;
uint32_t t310 = rrc_cfg_->sibs[1].sib2().ue_timers_and_consts.t310.to_number();
uint32_t t311 = rrc_cfg_->sibs[1].sib2().ue_timers_and_consts.t311.to_number();
uint32_t n310 = rrc_cfg_->sibs[1].sib2().ue_timers_and_consts.n310.to_number();
uint32_t min_rrc_inactivity_timer = t310 + t311 + n310 + 50;
if (args_->general.rrc_inactivity_timer < min_rrc_inactivity_timer) {
ERROR("rrc_inactivity_timer=%d is too low. Setting it to %d\n",
args_->general.rrc_inactivity_timer,
min_rrc_inactivity_timer);
rrc_cfg_->inactivity_timeout_ms = min_rrc_inactivity_timer;
}
rrc_cfg_->enable_mbsfn = args_->stack.embms.enable;
rrc_cfg_->mbms_mcs = args_->stack.embms.mcs;

2
srsenb/src/main.cc
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@ -191,7 +191,7 @@ void parse_args(all_args_t* args, int argc, char* argv[])
("expert.max_prach_offset_us", bpo::value<float>(&args->phy.max_prach_offset_us)->default_value(30), "Maximum allowed RACH offset (in us)")
("expert.equalizer_mode", bpo::value<string>(&args->phy.equalizer_mode)->default_value("mmse"), "Equalizer mode")
("expert.estimator_fil_w", bpo::value<float>(&args->phy.estimator_fil_w)->default_value(0.1), "Chooses the coefficients for the 3-tap channel estimator centered filter.")
("expert.rrc_inactivity_timer", bpo::value<int32_t>(&args->general.rrc_inactivity_timer)->default_value(-1), "Inactivity timer in ms. With -1 the timeout is automatically derived.")
("expert.rrc_inactivity_timer", bpo::value<uint32_t>(&args->general.rrc_inactivity_timer)->default_value(30000), "Inactivity timer in ms.")
("expert.print_buffer_state", bpo::value<bool>(&args->general.print_buffer_state)->default_value(false), "Prints on the console the buffer state every 10 seconds")
("expert.eea_pref_list", bpo::value<string>(&args->general.eea_pref_list)->default_value("EEA0, EEA2, EEA1"), "Ordered preference list for the selection of encryption algorithm (EEA) (default: EEA0, EEA2, EEA1).")
("expert.eia_pref_list", bpo::value<string>(&args->general.eia_pref_list)->default_value("EIA2, EIA1, EIA0"), "Ordered preference list for the selection of integrity algorithm (EIA) (default: EIA2, EIA1, EIA0).")

5
srsenb/src/stack/rrc/rrc_cell_cfg.cc
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@ -431,7 +431,10 @@ bool cell_ctxt_dedicated_list::alloc_sr_resources(uint32_t period)
sr_res.sr_sched_sf_idx = j_min;
sr_res_present = true;
log_h->info("Allocated SR resources in time-freq slot (%d, %d)\n", sr_res.sr_sched_prb_idx, sr_res.sr_sched_sf_idx);
log_h->info("Allocated SR resources in time-freq slot (%d, %d), sf_cfg_idx=%d\n",
sr_res.sr_sched_sf_idx,
sr_res.sr_sched_prb_idx,
cfg.sr_cfg.sf_mapping[sr_res.sr_sched_sf_idx]);
return true;
}

4
srsenb/test/upper/rrc_mobility_test.cc
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@ -515,9 +515,9 @@ int test_s1ap_tenb_mobility(mobility_test_params test_params)
ho_cmd.crit_exts.c1().ho_cmd_r8().ho_cmd_msg.size()};
dl_dcch_msg_s dl_dcch_msg;
TESTASSERT(dl_dcch_msg.unpack(bref) == asn1::SRSASN_SUCCESS);
TESTASSERT(dl_dcch_msg.msg.type().value == dl_dcch_msg_type_c::types_opts::c1);
TESTASSERT(dl_dcch_msg.msg.c1().type().value == dl_dcch_msg_type_c::c1_c_::types_opts::rrc_conn_recfg);
auto& recfg_r8 = dl_dcch_msg.msg.c1().rrc_conn_recfg().crit_exts.c1().rrc_conn_recfg_r8();
TESTASSERT(recfg_r8.rr_cfg_ded.phys_cfg_ded.sched_request_cfg.setup().sr_cfg_idx == 15);
TESTASSERT(recfg_r8.rr_cfg_ded.phys_cfg_ded.sched_request_cfg.setup().sr_pucch_res_idx == 0);
// Receives MMEStatusTransfer
asn1::s1ap::bearers_subject_to_status_transfer_list_l bearers;