/* * 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 1.0 (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 */ /*! \file PHY/NR_TRANSPORT/nr_tbs_tools.c * \brief Top-level routines for implementing LDPC-coded (DLSCH) transport channels from 38-212, 15.2 * \author H.Wang * \date 2018 * \version 0.1 * \company Eurecom * \email: * \note * \warning */ #include "nr_transport_common_proto.h" #include "PHY/CODING/coding_defs.h" #include "PHY/defs_nr_common.h" uint32_t nr_get_G(uint16_t nb_rb, uint16_t nb_symb_sch,uint8_t nb_re_dmrs,uint16_t length_dmrs, uint8_t Qm, uint8_t Nl) { uint32_t G; G = ((NR_NB_SC_PER_RB*nb_symb_sch)-(nb_re_dmrs*length_dmrs))*nb_rb*Qm*Nl; return(G); } uint32_t nr_get_E(uint32_t G, uint8_t C, uint8_t Qm, uint8_t Nl, uint8_t r) { uint32_t E; uint8_t Cprime = C; //assume CBGTI not present AssertFatal(Nl>0,"Nl is 0\n"); AssertFatal(Qm>0,"Qm is 0\n"); if (r <= Cprime - ((G/(Nl*Qm))%Cprime) - 1) E = Nl*Qm*(G/(Nl*Qm*Cprime)); else E = Nl*Qm*((G/(Nl*Qm*Cprime))+1); LOG_D(PHY,"nr_get_E : (G %d, C %d, Qm %d, Nl %d, r %d), E %d\n",G, C, Qm, Nl, r, E); return E; }