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srsLTE
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add pdcch_cqi_offset parameter to enb.conf

This commit is contained in:
Francisco 2021-06-24 11:23:36 +01:00 committed by Ismael Gomez
parent f42f8fcd7a
commit 67325ab5c1
4 changed files with 6 additions and 0 deletions
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1
lib/include/srsran/interfaces/sched_interface.h
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@ -66,6 +66,7 @@ public:
int init_ul_snr_value = 5;
int init_dl_cqi = 5;
float max_sib_coderate = 0.8;
int pdcch_cqi_offset = 0;
};
struct cell_cfg_t {

2
srsenb/enb.conf.example
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@ -180,6 +180,7 @@ enable = false
# init_ul_snr_value: Initial UL SNR value used for computing MCS in the first UL grant
# init_dl_cqi: DL CQI value used before any CQI report is available to the eNB
# max_sib_coderate: Upper bound on SIB and RAR grants coderate
# pdcch_cqi_offset: CQI offset in derivation of PDCCH aggregation level
#
#####################################################################
[scheduler]
@ -204,6 +205,7 @@ enable = false
#init_ul_snr_value=5
#init_dl_cqi=5
#max_sib_coderate=0.3
#pdcch_cqi_offset=0
#####################################################################
# eMBMS configuration options

2
srsenb/src/main.cc
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@ -162,6 +162,8 @@ void parse_args(all_args_t* args, int argc, char* argv[])
("scheduler.init_ul_snr_value", bpo::value<int>(&args->stack.mac.sched.init_ul_snr_value)->default_value(5), "Initial UL SNR value used for computing MCS in the first UL grant")
("scheduler.init_dl_cqi", bpo::value<int>(&args->stack.mac.sched.init_dl_cqi)->default_value(5), "DL CQI value used before any CQI report is available to the eNB")
("scheduler.max_sib_coderate", bpo::value<float>(&args->stack.mac.sched.max_sib_coderate)->default_value(0.8), "Upper bound on SIB and RAR grants coderate")
("scheduler.pdcch_cqi_offset", bpo::value<int>(&args->stack.mac.sched.pdcch_cqi_offset)->default_value(0), "CQI offset in derivation of PDCCH aggregation level")
/* Downlink Channel emulator section */

1
srsenb/src/stack/mac/sched_ue_ctrl/sched_ue_cell.cc
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@ -279,6 +279,7 @@ uint32_t sched_ue_cell::get_aggr_level(uint32_t nof_bits) const
} else {
dl_cqi = dl_cqi_ctxt.get_avg_cqi();
}
dl_cqi = std::max(cell_cfg->sched_cfg->pdcch_cqi_offset + (int)dl_cqi, 0);
return srsenb::get_aggr_level(nof_bits,
dl_cqi,
cell_cfg->sched_cfg->min_aggr_level,