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79 lines
2.4 KiB
C++
79 lines
2.4 KiB
C++
/**
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*
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* \section COPYRIGHT
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*
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* Copyright 2013-2021 Software Radio Systems Limited
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*
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* By using this file, you agree to the terms and conditions set
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* forth in the LICENSE file which can be found at the top level of
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* the distribution.
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*
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*/
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#include "sched_test_common.h"
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#include "sched_test_utils.h"
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#include "srsenb/hdr/stack/mac/sched_ue.h"
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#include "srsran/common/test_common.h"
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using namespace srsenb;
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const uint32_t seed = std::chrono::system_clock::now().time_since_epoch().count();
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/**
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* Test scenario where PHR < 0, and the UL grant size is limited.
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* - The UL grant size should be the smallest possible that guarantees fitting both a BSR, RLC header, and some RLC
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* payload.
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*/
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void test_neg_phr_scenario()
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{
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sched_interface::cell_cfg_t cell_cfg = generate_default_cell_cfg(50);
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cell_cfg.target_pucch_ul_sinr = 20;
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cell_cfg.target_pusch_ul_sinr = 20;
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cell_cfg.min_phr_thres = 0;
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cell_cfg.enable_phr_handling = true;
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sched_interface::sched_args_t sched_cfg = {};
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sched_cell_params_t cell_params;
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cell_params.set_cfg(0, cell_cfg, sched_cfg);
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sched_interface::ue_cfg_t ue_cfg = generate_default_ue_cfg();
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sched_ue_cell ue_cc(0x46, cell_params, tti_point(0));
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ue_cc.set_ue_cfg(ue_cfg);
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float snr = 20;
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tti_point tti{0};
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for (; ue_cc.tpc_fsm.get_ul_snr_estim(0) < snr - 2; ++tti) {
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ue_cc.set_ul_snr(tti, snr, 0);
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ue_cc.set_ul_snr(tti, snr, 1);
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ue_cc.tpc_fsm.set_phr(-5, 1);
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ue_cc.new_tti(tti);
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}
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uint32_t req_bytes = 10000;
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uint32_t pending_prbs = get_required_prb_ul(ue_cc, req_bytes);
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TESTASSERT(pending_prbs == 1); // The PHR<0 is limiting the number of allocated PRBs
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uint32_t N_srs = 0;
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uint32_t prb_grant_size = pending_prbs;
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uint32_t nof_symb = 2 * (SRSRAN_CP_NSYMB(cell_cfg.cell.cp) - 1) - N_srs;
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uint32_t nof_re = nof_symb * prb_grant_size * SRSRAN_NRE;
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tbs_info tbinfo = cqi_to_tbs_ul(ue_cc, prb_grant_size, nof_re, req_bytes);
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TESTASSERT(tbinfo.tbs_bytes >= 10);
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}
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int main()
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{
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srsenb::set_randseed(seed);
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srsran::console("This is the chosen seed: %u\n", seed);
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auto& test_log = srslog::fetch_basic_logger("TEST", false);
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test_log.set_level(srslog::basic_levels::info);
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// Start the log backend.
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srslog::init();
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test_neg_phr_scenario();
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srslog::flush();
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srsran::console("Success\n");
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}
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