84 lines
3.6 KiB
C
84 lines
3.6 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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#ifndef __NR_PHY_COMMON__H__
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#define __NR_PHY_COMMON__H__
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#include "PHY/impl_defs_top.h"
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#include "PHY/TOOLS/tools_defs.h"
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#include "PHY/NR_REFSIG/nr_refsig_common.h"
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#include "PHY/MODULATION/nr_modulation.h"
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extern simde__m128i byte2bit16_lut[256];
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void init_byte2bit16(void);
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void init_byte2m128i(void);
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static inline simde__m128i byte2bit16(uint8_t b)
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{
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return byte2bit16_lut[b];
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}
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typedef struct {
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int size;
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int ports;
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int kprime;
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int lprime;
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int j[16];
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int koverline[16];
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int loverline[16];
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} csi_mapping_parms_t;
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void get_modulated_csi_symbols(int symbols_per_slot,
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int slot,
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int N_RB_DL,
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int mod_length,
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int16_t mod_csi[][(N_RB_DL << 4) >> 1],
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int lprime,
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int l0,
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int l1,
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int row,
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int scramb_id);
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void csi_rs_resource_mapping(int32_t **dataF,
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int csi_rs_length,
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int16_t mod_csi[][csi_rs_length >> 1],
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int ofdm_symbol_size,
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int dataF_offset,
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int start_sc,
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const csi_mapping_parms_t *mapping_parms,
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int start_rb,
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int nb_rbs,
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double alpha,
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int beta,
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double rho,
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int gs,
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int freq_density);
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csi_mapping_parms_t get_csi_mapping_parms(int row, int b, int l0, int l1);
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int get_cdm_group_size(int cdm_type);
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double get_csi_rho(int freq_density);
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uint32_t get_csi_beta_amplitude(const int16_t amp, int power_control_offset_ss);
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int get_csi_modulation_length(double rho, int freq_density, int kprime, int start_rb, int nb_rbs);
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void nr_qpsk_llr(int32_t *rxdataF_comp, int16_t *llr, uint32_t nb_re);
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void nr_16qam_llr(int32_t *rxdataF_comp, int32_t *ch_mag_in, int16_t *llr, uint32_t nb_re);
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void nr_64qam_llr(int32_t *rxdataF_comp, int32_t *ch_mag, int32_t *ch_mag2, int16_t *llr, uint32_t nb_re);
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void nr_256qam_llr(int32_t *rxdataF_comp, int32_t *ch_mag, int32_t *ch_mag2, int32_t *ch_mag3, int16_t *llr, uint32_t nb_re);
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void freq2time(uint16_t ofdm_symbol_size, int16_t *freq_signal, int16_t *time_signal);
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void nr_est_delay(int ofdm_symbol_size, const c16_t *ls_est, c16_t *ch_estimates_time, delay_t *delay);
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unsigned int nr_get_tx_amp(int power_dBm, int power_max_dBm, int total_nb_rb, int nb_rb);
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#endif
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