118 lines
3.3 KiB
C
118 lines
3.3 KiB
C
/*
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* Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The OpenAirInterface Software Alliance licenses this file to You under
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* the OAI Public License, Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.openairinterface.org/?page_id=698
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*-------------------------------------------------------------------------------
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* For more information about the OpenAirInterface (OAI) Software Alliance:
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* contact@openairinterface.org
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*/
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/*! \file PHY/defs_nr_common.h
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\brief Top-level defines and structure definitions
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\author Guy De Souza
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\date 2018
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\version 0.1
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\company Eurecom
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\email: desouza@eurecom.fr
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\note
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\warning
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*/
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#ifndef __PHY_DEFS_NR_COMMON__H__
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#define __PHY_DEFS_NR_COMMON__H__
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#include "defs_common.h"
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#define nr_subframe_t lte_subframe_t
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#define MAX_NUM_SUBCARRIER_SPACING 5
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#define NR_SYMBOLS_PER_SLOT 14
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#define ONE_OVER_SQRT2_Q15 23170
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#define ONE_OVER_TWO_Q15 16384
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#define NR_MOD_TABLE_SIZE_SHORT 14
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#define NR_MOD_TABLE_BPSK_OFFSET 1
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#define NR_MOD_TABLE_QPSK_OFFSET 3
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#define NR_PSS_LENGTH 127
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#define NR_SSS_LENGTH 127
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#define NR_PBCH_DMRS_LENGTH 144
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#define NR_PBCH_DMRS_LENGTH_DWORD 5 // roundup(NR_PBCH_DMRS_LENGTH/32)
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typedef enum {
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NR_MU_0=0,
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NR_MU_1,
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NR_MU_2,
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NR_MU_3,
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NR_MU_4,
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} nr_numerology_index_e;
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typedef enum{
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nr_ssb_type_A = 0,
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nr_ssb_type_B,
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nr_ssb_type_C,
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nr_ssb_type_D,
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nr_ssb_type_E
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} nr_ssb_type_e;
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typedef struct NR_DL_FRAME_PARMS {
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/// EUTRA Band
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uint8_t eutra_band;
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/// DL carrier frequency
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uint32_t dl_CarrierFreq;
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/// UL carrier frequency
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uint32_t ul_CarrierFreq;
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/// TX attenuation
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uint32_t att_tx;
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/// RX attenuation
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uint32_t att_rx;
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/// total Number of Resource Block Groups: this is ceil(N_PRB/P)
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uint32_t subcarrier_spacing;
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/// 3/4 sampling
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uint8_t threequarter_fs;
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/// Size of FFT
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uint16_t ofdm_symbol_size;
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/// Number of prefix samples in all but first symbol of slot
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uint16_t nb_prefix_samples;
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/// Number of prefix samples in first symbol of slot
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uint16_t nb_prefix_samples0;
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/// Carrier offset in FFT buffer for first RE in PRB0
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uint16_t first_carrier_offset;
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/// Number of OFDM/SC-FDMA symbols in one slot
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uint16_t symbols_per_slot;
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/// Number of slots per subframe
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uint16_t slots_per_subframe;
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/// Number of samples in a subframe
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uint32_t samples_per_subframe;
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/// Number of samples in a radio frame
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uint32_t samples_per_frame;
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/// Number of samples in a subframe without CP
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uint32_t samples_per_subframe_wCP;
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/// Number of samples in a radio frame without CP
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uint32_t samples_per_frame_wCP;
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//SSB related params
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/// Start in Subcarrier index of the SSB block
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uint16_t ssb_start_subcarrier;
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nr_ssb_type_e ssb_type;
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} NR_DL_FRAME_PARMS;
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#endif
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