Commit fc53139f authored by Guy De Souza's avatar Guy De Souza

MOdulation order and code rate

parent 6e9bac8b
......@@ -1294,6 +1294,7 @@ set(PHY_SRC_UE
${OPENAIR1_DIR}/PHY/NR_TRANSPORT/nr_dci_tools.c
${OPENAIR1_DIR}/PHY/NR_TRANSPORT/nr_dlsch.c
${OPENAIR1_DIR}/PHY/NR_TRANSPORT/nr_dlsch_tools.c
${OPENAIR1_DIR}/PHY/NR_TRANSPORT/nr_tbs_tools.c
${OPENAIR1_DIR}/PHY/NR_REFSIG/nr_gold.c
${OPENAIR1_DIR}/PHY/TOOLS/file_output.c
${OPENAIR1_DIR}/PHY/TOOLS/cadd_vv.c
......
......@@ -46,3 +46,7 @@ void nr_get_rbg_parms(NR_BWP_PARMS* bwp, uint8_t config_type);
void nr_get_rbg_list(uint32_t bitmap, uint8_t n_rbg, uint8_t* rbg_list);
void nr_get_PRG_parms(NR_BWP_PARMS* bwp, NR_gNB_DCI_ALLOC_t dci_alloc, uint8_t prb_bundling_type);
uint8_t nr_get_Qm(uint8_t Imcs, uint8_t table_idx);
uint32_t nr_get_code_rate(uint8_t Imcs, uint8_t table_idx);
/*
* 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/LTE_TRANSPORT/dlsch_coding.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_dlsch.h"
/// Target code rate tables indexed by Imcs
uint16_t nr_target_code_rate_table1[29] = {120, 157, 193, 251, 308, 379, 449, 526, 602, 679, 340, 378, 434, 490, 553, \
616, 658, 438, 466, 517, 567, 616, 666, 719, 772, 822, 873, 910, 948};
// The -1 values correspond to non integer factors which are handled differently for indexes 20(682.5) and 26(916.5)
uint16_t nr_target_code_rate_table2[28] = {120, 193, 308, 449, 602, 378, 434, 490, 553, 616, 658, 466, 517, 567, \
616, 666, 719, 772, 822, 873, -1, 711, 754, 797, 841, 885, -1, 948};
uint16_t nr_target_code_rate_table3[29] = {30, 40, 50, 64, 78, 99, 120, 157, 193, 251, 308, 379, 449, 526, 602, 340, \
378, 434, 490, 553, 616, 438, 466, 517, 567, 616, 666, 719, 772};
uint8_t nr_get_Qm(uint8_t Imcs, uint8_t table_idx) {
switch(table_idx) {
case 1:
return (((Imcs<10)||(Imcs==29))?2:((Imcs<17)||(Imcs==30))?4:((Imcs<29)||(Imcs==31))?6:-1);
break;
case 2:
return (((Imcs<5)||(Imcs==28))?2:((Imcs<11)||(Imcs==29))?4:((Imcs<20)||(Imcs==30))?6:((Imcs<28)||(Imcs==31))?8:-1);
break;
case 3:
return (((Imcs<15)||(Imcs==29))?2:((Imcs<21)||(Imcs==30))?4:((Imcs<29)||(Imcs==31))?6:-1);
break;
default:
AssertFatal(0, "Invalid MCS table index %d (expected in range [1,3])\n", table_idx);
}
}
uint32_t nr_get_code_rate(uint8_t Imcs, uint8_t table_idx) {
switch(table_idx) {
case 1:
return (nr_target_code_rate_table1[Imcs]<<10);
break;
case 2:
return ((Imcs==20)?0xaaa00 : (Imcs==26)?0xe5200 : nr_target_code_rate_table3[Imcs]<<10);
break;
case 3:
return (nr_target_code_rate_table3[Imcs]<<10);
break;
default:
AssertFatal(0, "Invalid MCS table index %d (expected in range [1,3])\n", table_idx);
}
}
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