mirror of https://github.com/PentHertz/srsLTE.git
65 lines
2.1 KiB
C++
65 lines
2.1 KiB
C++
/**
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*
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* \section copyright
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*
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* copyright 2013-2020 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 SRSLTE_SCHED_DCI_H
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#define SRSLTE_SCHED_DCI_H
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#include <cstdint>
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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
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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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} // namespace srsenb
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#endif // SRSLTE_SCHED_DCI_H
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