mirror of https://github.com/PentHertz/srsLTE.git
ensure minimum tbs. If it cant do it, increase mcs until it can.
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@ -268,10 +268,8 @@ void ul_harq_proc::new_tx(uint32_t tti_, int mcs, int tbs, ul_harq_proc::ul_allo
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void ul_harq_proc::new_retx(uint32_t tb_idx, uint32_t tti_, int* mcs, int* tbs, ul_harq_proc::ul_alloc_t alloc)
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{
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if (alloc.L != allocation.L or alloc.RB_start != allocation.RB_start) {
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is_adaptive = true;
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}
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allocation = alloc;
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is_adaptive = alloc.L != allocation.L or alloc.RB_start != allocation.RB_start;
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allocation = alloc;
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new_retx_common(tb_idx, tti_, mcs, tbs);
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}
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@ -395,11 +395,17 @@ int sched_ue::generate_format1(dl_harq_proc* h,
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mcs = mcs0;
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}
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// Ensure tbs >= MIN_DATA_TBS
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while (tbs < MIN_DATA_TBS and mcs != carriers[cc_idx].max_mcs_dl) {
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mcs++;
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tbs = srslte_ra_tbs_from_idx(srslte_ra_tbs_idx_from_mcs(mcs, false), nof_prb) / 8;
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}
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if (tbs < MIN_DATA_TBS) {
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log_h->warning("SCHED: Allocation of TBS=%d that does not account header\n", tbs);
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return 0;
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}
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// Allocate DL Harq
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h->new_tx(user_mask, 0, tti_tx_dl, mcs, tbs, data->dci.location.ncce);
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int rem_tbs = tbs;
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@ -420,6 +426,7 @@ int sched_ue::generate_format1(dl_harq_proc* h,
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rem_tbs -= 2;
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}
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// Allocate PDUs
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do {
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x = alloc_pdu(rem_tbs, &data->pdu[0][data->nof_pdu_elems[0]]);
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if (x) {
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