mirror of https://github.com/pvnis/srsRAN_4G.git
sched,nr: integrate mac-phy interface types into the scheduler
Francisco
4 years ago
committed by
Andre Puschmann
parent
5b3c5ded63
commit
4c316aa9ea
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/**
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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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#ifndef SRSRAN_SCHED_NR_PHY_HELPERS_H
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#define SRSRAN_SCHED_NR_PHY_HELPERS_H
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#include "sched_nr_common.h"
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namespace srsenb {
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namespace sched_nr_impl {
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uint32_t get_P(uint32_t bwp_nof_prb, bool config_1_or_2);
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uint32_t get_nof_rbgs(uint32_t bwp_nof_prb, uint32_t bwp_start, bool config1_or_2);
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void bitmap_to_prb_array(const rbgmask_t& bitmap, uint32_t bwp_nof_prb, srsran_sch_grant_nr_t& grant);
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class slot_ue;
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void fill_dci_ue_cfg(const slot_ue& ue, srsran_dci_dl_nr_t& dci);
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void fill_dci_ue_cfg(const slot_ue& ue, srsran_dci_ul_nr_t& dci);
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} // namespace sched_nr_impl
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} // namespace srsenb
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#endif // SRSRAN_SCHED_NR_PHY_HELPERS_H
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@ -0,0 +1,102 @@
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/**
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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 "srsenb/hdr/stack/mac/nr/sched_nr_phy_helpers.h"
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#include "srsenb/hdr/stack/mac/nr/sched_nr_harq.h"
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#include "srsenb/hdr/stack/mac/nr/sched_nr_ue.h"
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namespace srsenb {
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namespace sched_nr_impl {
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/// Table 6.1.2.2.1-1 - Nominal RBG size P
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uint32_t get_P(uint32_t bwp_nof_prb, bool config_1_or_2)
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{
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srsran_assert(bwp_nof_prb > 0 and bwp_nof_prb <= 275, "Invalid BWP size");
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if (bwp_nof_prb <= 36) {
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return config_1_or_2 ? 2 : 4;
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}
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if (bwp_nof_prb <= 72) {
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return config_1_or_2 ? 4 : 8;
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}
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if (bwp_nof_prb <= 144) {
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return config_1_or_2 ? 8 : 16;
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}
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return 16;
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}
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uint32_t get_nof_rbgs(uint32_t bwp_nof_prb, uint32_t bwp_start, bool config1_or_2)
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{
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uint32_t P = get_P(bwp_nof_prb, config1_or_2);
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return srsran::ceil_div(bwp_nof_prb + (bwp_start % P), P);
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}
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uint32_t get_rbg_size(uint32_t bwp_nof_prb, uint32_t bwp_start, bool config1_or_2, uint32_t rbg_idx)
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{
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uint32_t P = get_P(bwp_nof_prb, config1_or_2);
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uint32_t nof_rbgs = get_nof_rbgs(bwp_nof_prb, bwp_start, config1_or_2);
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if (rbg_idx == 0) {
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return P - (bwp_start % P);
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}
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if (rbg_idx == nof_rbgs - 1) {
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uint32_t ret = (bwp_start + bwp_nof_prb) % P;
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return ret > 0 ? ret : P;
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}
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return P;
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}
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void bitmap_to_prb_array(const rbgmask_t& bitmap, uint32_t bwp_nof_prb, srsran_sch_grant_nr_t& grant)
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{
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uint32_t count = 0;
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grant.nof_prb = bwp_nof_prb;
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for (uint32_t rbg = 0; rbg < bitmap.size(); ++rbg) {
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bool val = bitmap.test(rbg);
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uint32_t rbg_size = get_rbg_size(bwp_nof_prb, 0, true, rbg);
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for (uint32_t prb = count; prb < count + rbg_size; ++prb) {
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grant.prb_idx[prb] = val;
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}
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}
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}
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void fill_dci_harq(const harq_proc& h, srsran_dci_dl_nr_t& dci)
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{
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dci.pid = h.pid;
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dci.ndi = h.ndi();
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dci.mcs = h.mcs();
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}
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void fill_dci_ue_cfg(const slot_ue& ue, srsran_dci_dl_nr_t& dci)
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{
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dci.bwp_id = ue.bwp_id;
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dci.cc_id = ue.cc;
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dci.ctx.rnti = ue.rnti;
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dci.tpc = 1;
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fill_dci_harq(*ue.h_dl, dci);
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}
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void fill_dci_harq(const harq_proc& h, srsran_dci_ul_nr_t& dci)
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{
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dci.pid = h.pid;
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dci.ndi = h.ndi();
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dci.mcs = h.mcs();
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}
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void fill_dci_ue_cfg(const slot_ue& ue, srsran_dci_ul_nr_t& dci)
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{
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dci.bwp_id = ue.bwp_id;
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dci.cc_id = ue.cc;
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dci.ctx.rnti = ue.rnti;
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dci.tpc = 1;
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fill_dci_harq(*ue.h_ul, dci);
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}
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} // namespace sched_nr_impl
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} // namespace srsenb
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