mirror of https://github.com/PentHertz/srsLTE.git
bugfix, sched: fix aggregation level derivation to avoid L > 3
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@ -400,10 +400,14 @@ uint32_t get_aggr_level(uint32_t nof_bits,
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l_max = SRSRAN_MIN(max_aggr_lvl, l_max);
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uint32_t l = min_aggr_lvl;
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do {
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for (; l <= l_max; ++l) {
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coderate = srsran_pdcch_coderate(nof_bits, l);
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l++;
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} while (l < l_max && factor * coderate > max_coderate);
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if (factor * coderate > max_coderate) {
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break;
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}
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}
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// make aggregation level more conservative
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l = std::min(l_max, l + 1);
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Debug("SCHED: CQI=%d, l=%d, nof_bits=%d, coderate=%.2f, max_coderate=%.2f",
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dl_cqi,
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@ -217,7 +217,7 @@ int test_pdcch_collisions(const sf_output_res_t& sf_out,
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// Helper Function: checks if there is any collision. If not, fills the PDCCH mask
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auto try_cce_fill = [&](const srsran_dci_location_t& dci_loc, const char* ch) {
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uint32_t cce_start = dci_loc.ncce, cce_stop = dci_loc.ncce + (1u << dci_loc.L);
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CONDERROR(dci_loc.L == 0, "The aggregation level %d is not valid", dci_loc.L);
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CONDERROR(dci_loc.L > 3, "The aggregation level %d is not valid", dci_loc.L);
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CONDERROR(
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cce_start >= ncce or cce_stop > ncce, "The CCE positions (%u, %u) do not fit in PDCCH", cce_start, cce_stop);
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CONDERROR(
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@ -294,6 +294,7 @@ sched_sim_events rand_sim_params(uint32_t nof_ttis)
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boolean_dist() ? -1 : std::uniform_int_distribution<>{0, 24}(srsenb::get_rand_gen());
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sim_gen.sim_args.sched_args.pusch_mcs =
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boolean_dist() ? -1 : std::uniform_int_distribution<>{0, 24}(srsenb::get_rand_gen());
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sim_gen.sim_args.sched_args.min_aggr_level = std::uniform_int_distribution<>{0, 3}(srsenb::get_rand_gen());
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generator.tti_events.resize(nof_ttis);
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