/* * 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 */ /* Definitions for LTE Reference signals */ /* Author R. Knopp / EURECOM / OpenAirInterface.org */ #ifndef __NR_REFSIG__H__ #define __NR_REFSIG__H__ #include "PHY/defs_gNB.h" #include "PHY/LTE_REFSIG/lte_refsig.h" #include "PHY/sse_intrin.h" /*!\brief This function generates the NR Gold sequence (38-211, Sec 5.2.1) for the PBCH DMRS. @param PHY_VARS_gNB* gNB structure provides configuration, frame parameters and the pointers to the 32 bits sequence storage tables */ void nr_init_pbch_dmrs(PHY_VARS_gNB* gNB); /*!\brief This function generates the NR Gold sequence (38-211, Sec 5.2.1) for the PDCCH DMRS. @param PHY_VARS_gNB* gNB structure provides configuration, frame parameters and the pointers to the 32 bits sequence storage tables @param Nid is used for the initialization of x2, Physical cell Id by default or upper layer configured pdcch_scrambling_ID */ void nr_init_pdcch_dmrs(PHY_VARS_gNB* gNB, uint32_t Nid); void nr_init_pdsch_dmrs(PHY_VARS_gNB* gNB, uint32_t Nid); void nr_gold_pusch(PHY_VARS_gNB* gNB, uint32_t *Nid); int nr_pusch_dmrs_rx(PHY_VARS_gNB *gNB, unsigned int Ns, unsigned int *nr_gold_pusch, int32_t *output, unsigned short p, unsigned char lp, unsigned short nb_pusch_rb, uint32_t re_offset, uint8_t dmrs_type); void init_scrambling_luts(void); void nr_gen_ref_conj_symbols(uint32_t *in, uint32_t length, int16_t *output, uint16_t offset, int mod_order); uint8_t get_next_dmrs_symbol_in_slot(uint16_t ul_dmrs_symb_pos, uint8_t counter, uint8_t end_symbol); uint8_t get_dmrs_symbols_in_slot(uint16_t l_prime_mask, uint16_t nb_symb); void nr_generate_modulation_table(void); extern __m64 byte2m64_re[256]; extern __m64 byte2m64_im[256]; extern __m128i byte2m128i[256]; #endif