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107 lines
3.4 KiB
C++
107 lines
3.4 KiB
C++
/**
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* Copyright 2013-2021 Software Radio Systems Limited
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*
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* This file is part of srsLTE.
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*
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* srsLTE is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as
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* published by the Free Software Foundation, either version 3 of
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* the License, or (at your option) any later version.
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*
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* srsLTE is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* A copy of the GNU Affero General Public License can be found in
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* the LICENSE file in the top-level directory of this distribution
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* and at http://www.gnu.org/licenses/.
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*
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*/
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#ifndef SRSLTE_COMMON_H
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#define SRSLTE_COMMON_H
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/*******************************************************************************
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INCLUDES
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*******************************************************************************/
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#include "srslte/adt/span.h"
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#include <chrono>
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#include <memory>
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#include <stdint.h>
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#include <string.h>
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#include <sys/time.h>
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/*******************************************************************************
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DEFINES
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*******************************************************************************/
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#define SRSLTE_UE_CATEGORY 4
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#define SRSLTE_N_SRB 3
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#define SRSLTE_N_DRB 8
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#define SRSLTE_N_RADIO_BEARERS 11
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#define SRSLTE_N_MCH_LCIDS 32
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#define FDD_HARQ_DELAY_DL_MS 4
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#define FDD_HARQ_DELAY_UL_MS 4
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#define MSG3_DELAY_MS 2 // Delay added to FDD_HARQ_DELAY_DL_MS
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#define TTI_SUB(a, b) ((((a) + 10240) - (b)) % 10240)
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#define TTI_ADD(a, b) (((a) + (b)) % 10240)
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#define TTI_TX(tti) TTI_ADD(tti, FDD_HARQ_DELAY_DL_MS)
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#define TTI_RX(tti) (TTI_SUB(tti, FDD_HARQ_DELAY_UL_MS))
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#define TTI_RX_ACK(tti) (TTI_ADD(tti, FDD_HARQ_DELAY_UL_MS + FDD_HARQ_DELAY_DL_MS))
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#define TTIMOD_SZ 20
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#define TTIMOD(tti) (tti % TTIMOD_SZ)
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#define INVALID_TTI 10241
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#define TX_ENB_DELAY FDD_HARQ_DELAY_UL_MS
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#define PHICH_MAX_SF 6 // Maximum PHICH in a subframe (1 in FDD, > 1 in TDD, see table 9.1.2-1 36.213)
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#define ASYNC_DL_SCHED (FDD_HARQ_DELAY_UL_MS <= 4)
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// Cat 4 UE - Max number of DL-SCH transport block bits received within a TTI
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// 3GPP 36.306 v15.4.0 Table 4.1.1 for Category 11 with 2 layers and 256QAM
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#define SRSLTE_MAX_TBSIZE_BITS 97896
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#define SRSLTE_BUFFER_HEADER_OFFSET 1020
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#define SRSLTE_MAX_BUFFER_SIZE_BITS (SRSLTE_MAX_TBSIZE_BITS + SRSLTE_BUFFER_HEADER_OFFSET)
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#define SRSLTE_MAX_BUFFER_SIZE_BYTES (SRSLTE_MAX_TBSIZE_BITS / 8 + SRSLTE_BUFFER_HEADER_OFFSET)
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/*******************************************************************************
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TYPEDEFS
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*******************************************************************************/
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namespace srslte {
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#define ENABLE_TIMESTAMP
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// helper functions
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inline const char* enum_to_text(const char* const array[], uint32_t nof_types, uint32_t enum_val)
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{
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return enum_val >= nof_types ? "" : array[enum_val];
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}
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template <class ItemType>
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ItemType enum_to_number(ItemType* array, uint32_t nof_types, uint32_t enum_val)
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{
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return enum_val >= nof_types ? -1 : array[enum_val];
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}
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enum class srslte_rat_t { lte, nr, nulltype };
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inline std::string to_string(const srslte_rat_t& type)
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{
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constexpr static const char* options[] = {"LTE", "NR"};
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return enum_to_text(options, (uint32_t)srslte_rat_t::nulltype, (uint32_t)type);
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}
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} // namespace srslte
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#endif // SRSLTE_COMMON_H
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