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/*
* Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The OpenAirInterface Software Alliance licenses this file to You under
* the OAI Public License, Version 1.1 (the "License"); you may not use this file
* except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.openairinterface.org/?page_id=698
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*-------------------------------------------------------------------------------
* For more information about the OpenAirInterface (OAI) Software Alliance:
* contact@openairinterface.org
*/
/**********************************************************************
*
* FILENAME : dmrs.h
*
* MODULE : demodulation reference signals
*
* DESCRIPTION : generation of dmrs sequences for NR 5G
* 3GPP TS 38.211
*
************************************************************************/
#ifndef DMRS_NR_H
#define DMRS_NR_H
#include "PHY/defs_nr_UE.h"
#include "PHY/types.h"
#include "PHY/NR_REFSIG/ss_pbch_nr.h"
#include "PHY/NR_REFSIG/pss_nr.h"
#include "PHY/NR_REFSIG/sss_nr.h"
/************** CODE GENERATION ***********************************/
/************** DEFINE ********************************************/
/************* STRUCTURES *****************************************/
/************** VARIABLES *****************************************/
/************** FUNCTION ******************************************/
int pseudo_random_sequence(int M_PN, uint32_t *c, uint32_t cinit);
void lte_gold_new(LTE_DL_FRAME_PARMS *frame_parms, uint32_t lte_gold_table[20][2][14], uint16_t Nid_cell);
void generate_dmrs_pbch(uint32_t dmrs_pbch_bitmap[DMRS_PBCH_I_SSB][DMRS_PBCH_N_HF][DMRS_BITMAP_SIZE], uint16_t Nid_cell);
uint16_t get_dmrs_freq_idx_ul(uint16_t n, uint8_t k_prime, uint8_t delta, uint8_t dmrs_type);
uint8_t allowed_xlsch_re_in_dmrs_symbol(uint16_t k,
uint16_t start_sc,
uint16_t ofdm_symbol_size,
uint8_t numDmrsCdmGrpsNoData,
uint8_t dmrs_type);
#undef EXTERN
#endif /* DMRS_NR_H */