mirror of https://github.com/PentHertz/srsLTE.git
106 lines
4.4 KiB
C++
106 lines
4.4 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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#ifndef SRSRAN_SCHED_DCI_H
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#define SRSRAN_SCHED_DCI_H
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#include "../sched_common.h"
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#include "srsran/adt/bounded_vector.h"
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namespace srsenb {
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struct tbs_info {
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int tbs_bytes = -1;
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int mcs = 0;
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tbs_info() = default;
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tbs_info(int tbs_bytes_, int mcs_) : tbs_bytes(tbs_bytes_), mcs(mcs_) {}
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};
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inline bool operator==(const tbs_info& lhs, const tbs_info& rhs)
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{
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return lhs.mcs == rhs.mcs and lhs.tbs_bytes == rhs.tbs_bytes;
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}
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inline bool operator!=(const tbs_info& lhs, const tbs_info& rhs)
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{
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return not(lhs == rhs);
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}
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/**
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* Compute MCS, TBS based on CQI, N_prb
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* \remark See TS 36.213 - Table 7.1.7.1-1/1A
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* @return resulting TBS (in bytes) and mcs. TBS=-1 if no valid solution was found.
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*/
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tbs_info compute_mcs_and_tbs(uint32_t nof_prb,
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uint32_t nof_re,
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uint32_t cqi,
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uint32_t max_mcs,
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bool is_ul,
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bool ulqam64_enabled,
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bool use_tbs_index_alt);
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/**
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* Compute lowest MCS, TBS based on CQI, N_prb that satisfies TBS >= req_bytes (best effort)
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* \remark See TS 36.213 - Table 7.1.7.1-1/1A
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* @return resulting TBS (in bytes) and mcs. TBS=-1 if no valid solution was found.
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*/
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tbs_info compute_min_mcs_and_tbs_from_required_bytes(uint32_t nof_prb,
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uint32_t nof_re,
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uint32_t cqi,
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uint32_t max_mcs,
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uint32_t req_bytes,
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bool is_ul,
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bool ulqam64_enabled,
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bool use_tbs_index_alt);
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struct pending_rar_t {
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uint16_t ra_rnti = 0;
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tti_point prach_tti{};
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srsran::bounded_vector<sched_interface::dl_sched_rar_info_t, sched_interface::MAX_RAR_LIST> msg3_grant = {};
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};
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bool generate_sib_dci(sched_interface::dl_sched_bc_t& bc,
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tti_point tti_tx_dl,
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uint32_t sib_idx,
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uint32_t sib_ntx,
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rbg_interval rbg_range,
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const sched_cell_params_t& cell_params,
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uint32_t current_cfi);
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bool generate_paging_dci(sched_interface::dl_sched_bc_t& bc,
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tti_point tti_tx_dl,
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uint32_t req_bytes,
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rbg_interval rbg_range,
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const sched_cell_params_t& cell_params,
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uint32_t current_cfi);
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bool generate_rar_dci(sched_interface::dl_sched_rar_t& rar,
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tti_point tti_tx_dl,
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const pending_rar_t& pending_rar,
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rbg_interval rbg_range,
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uint32_t nof_grants,
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uint32_t start_msg3_prb,
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const sched_cell_params_t& cell_params,
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uint32_t current_cfi);
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void log_broadcast_allocation(const sched_interface::dl_sched_bc_t& bc,
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rbg_interval rbg_range,
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const sched_cell_params_t& cell_params);
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void log_rar_allocation(const sched_interface::dl_sched_rar_t& rar,
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rbg_interval rbg_range,
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const sched_cell_params_t& cell_params);
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void log_rar_allocation(const sched_interface::dl_sched_rar_t& rar, rbg_interval rbg_range);
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} // namespace srsenb
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#endif // SRSRAN_SCHED_DCI_H
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