diff --git a/cmake_targets/CMakeLists.txt b/cmake_targets/CMakeLists.txt index 2682582a46..420a2932ae 100644 --- a/cmake_targets/CMakeLists.txt +++ b/cmake_targets/CMakeLists.txt @@ -1171,6 +1171,8 @@ set(PHY_SRC_COMMON ${OPENAIR1_DIR}/PHY/LTE_REFSIG/lte_dl_mbsfn.c ${OPENAIR1_DIR}/PHY/LTE_REFSIG/lte_ul_ref.c ${OPENAIR1_DIR}/PHY/CODING/lte_segmentation.c + ${OPENAIR1_DIR}/PHY/CODING/nr_segmentation.c + ${OPENAIR1_DIR}/PHY/CODING/nr_compute_tbs.c ${OPENAIR1_DIR}/PHY/CODING/ccoding_byte.c ${OPENAIR1_DIR}/PHY/CODING/ccoding_byte_lte.c ${OPENAIR1_DIR}/PHY/CODING/3gpplte_sse.c diff --git a/openair1/PHY/CODING/coding_defs.h b/openair1/PHY/CODING/coding_defs.h index f733b91eaa..001f17dad7 100644 --- a/openair1/PHY/CODING/coding_defs.h +++ b/openair1/PHY/CODING/coding_defs.h @@ -430,4 +430,20 @@ uint32_t crcbit (uint8_t * , int16_t reverseBits(int32_t ,int32_t); void phy_viterbi_dot11(int8_t *,uint8_t *,uint16_t); +int32_t nr_segmentation(unsigned char *input_buffer, + unsigned char **output_buffers, + unsigned int B, + unsigned int *C, + unsigned int *Kplus, + unsigned int *Kminus, + unsigned int *Zout, + unsigned int *F); + +uint32_t nr_compute_tbs(uint8_t mcs, + uint16_t nb_rb, + uint16_t nb_symb_sch, + uint8_t nb_re_dmrs, + uint16_t length_dmrs, + uint8_t Nl); + #endif diff --git a/openair1/PHY/CODING/nr_compute_tbs.c b/openair1/PHY/CODING/nr_compute_tbs.c new file mode 100644 index 0000000000..ddb82fed04 --- /dev/null +++ b/openair1/PHY/CODING/nr_compute_tbs.c @@ -0,0 +1,120 @@ +/* + * 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 + */ + +/* file: nr_compute_tbs.c + purpose: Compute NR TBS + author: Hongzhi WANG (TCL) +*/ +#include "PHY/defs_nr_UE.h" +//#include "SCHED/extern.h" + +#define INDEX_MAX_TBS_TABLE (93) +//Table 5.1.3.1-1 +uint16_t Mcsindextable1[29][3] = {{2,120,0.2344}, + {2,157,0.3066}, + {2,193,0.3770}, + {2,251,0.4902}, + {2,308,0.6016}, + {2,379,0.7402}, + {2,449,0.8770}, + {2,526,1.0273}, + {2,602,1.1758}, + {2,679,1.3262}, + {4,340,1.3281}, + {4,378,1.4766}, + {4,434,1.6953}, + {4,490,1.9141}, + {4,553,2.1602}, + {4,616,2.4063}, + {4,658,2.5703}, + {6,438,2.5664}, + {6,466,2.7305}, + {6,517,3.0293}, + {6,567,3.3223}, + {6,616,3.6094}, + {6,666,3.9023}, + {6,719,4.2129}, + {6,772,4.5234}, + {6,822,4.8164}, + {6,873,5.1152}, + {6,910,5.3320}, + {6,948,5.5547}}; +//Table 5.1.2.2-2 +uint16_t Tbstable_nr[INDEX_MAX_TBS_TABLE] = {24,32,40,48,56,64,72,80,88,96,104,112,120,128,136,144,152,160,168,176,184,192,208,224,240,256,272,288,304,320,336,352,368,384,408,432,456,480,504,528,552,576,608,640,672,704,736,768,808,848,888,928,984,1032,1064,1128,1160,1192,1224,1256,1288,1320,1352,1416,1480,1544,1608,1672,1736,1800,1864,1928,2024,2088,2152,2216,2280,2408,2472,2536,2600,2664,2728,2792,2856,2976,3104,3240,3368,3496,3624,3752,3824}; + +uint32_t nr_compute_tbs(uint8_t mcs, + uint16_t nb_rb, + uint16_t nb_symb_sch, + uint8_t nb_re_dmrs, + uint16_t length_dmrs, + uint8_t Nl) +{ + uint16_t nbp_re, nb_re, nb_dmrs_prb, nb_rb_oh, Ninfo,Np_info,n,Qm,R,C; + uint32_t nr_tbs; + + nb_rb_oh = 0; //set to 0 if not configured by higher layer + Qm = Mcsindextable1[mcs][0]; + R = Mcsindextable1[mcs][1]; + nb_dmrs_prb = nb_re_dmrs*length_dmrs; + + nbp_re = 12 * nb_symb_sch - nb_dmrs_prb - nb_rb_oh; + + nb_re = min(156, nbp_re) * nb_rb; + + // Intermediate number of information bits + Ninfo = (nb_re * R * Qm * Nl)/1024; + + //printf("Ninfo %d nbp_re %d nb_re %d Qm %d, R %d\n", Ninfo, nbp_re, nb_re, Qm, R); + + if (Ninfo <=3824) { + + n = max(3, floor(log2(Ninfo)) - 6); + Np_info = max(24, pow(n,2) * floor(Ninfo/pow(n,2))); + + for (int i=0; i= Np_info){ + nr_tbs = Tbstable_nr[i]; + break; + } + } + } + else { + n = floor(log2(Ninfo-24)) - 5; + Np_info = max(3840, pow(n,2) * round((Ninfo - 24)/pow(n,2))); + + if (R <= 1024/4) { + C = ceil( (Np_info + 24)/3816 ); + nr_tbs = 8 * C * ceil( (Np_info + 24)/(8*C) ) - 24; + } + else { + if (Np_info > 8424){ + C = ceil( (Np_info + 24)/8424 ); + nr_tbs = 8 * C * ceil( (Np_info + 24)/(8*C) ) - 24; + } + else + nr_tbs = 8 * ceil( (Np_info + 24)/8 ) - 24; + + } + + } + + return nr_tbs; +} diff --git a/openair1/PHY/CODING/nr_segmentation.c b/openair1/PHY/CODING/nr_segmentation.c index e7035fcfaa..ad2e809815 100644 --- a/openair1/PHY/CODING/nr_segmentation.c +++ b/openair1/PHY/CODING/nr_segmentation.c @@ -24,8 +24,8 @@ author: Hongzhi WANG (TCL) date: 12.09.2017 */ -#include "PHY/defs.h" -#include "SCHED/extern.h" +#include "PHY/defs_nr_UE.h" +//#include "SCHED/extern.h" //#define DEBUG_SEGMENTATION diff --git a/openair1/PHY/NR_TRANSPORT/nr_dci.c b/openair1/PHY/NR_TRANSPORT/nr_dci.c index 842b62ff3a..4cca9e85f6 100644 --- a/openair1/PHY/NR_TRANSPORT/nr_dci.c +++ b/openair1/PHY/NR_TRANSPORT/nr_dci.c @@ -34,7 +34,7 @@ //#define DEBUG_PDCCH_DMRS //#define DEBUG_DCI -//#define DEBUG_POLAR_PARAMS +//#define DEBUG_CHANNEL_CODING #define PDCCH_TEST_POLAR_TEMP_FIX extern short nr_mod_table[NR_MOD_TABLE_SIZE_SHORT]; @@ -163,11 +163,13 @@ uint8_t nr_generate_dci_top(NR_gNB_PDCCH pdcch_vars, nfapi_nr_config_request_t config) { - int16_t mod_dmrs[3][NR_MAX_PDCCH_DMRS_LENGTH>>1]; // 3 for the max coreset duration + int16_t mod_dmrs[NR_MAX_CSET_DURATION][NR_MAX_PDCCH_DMRS_LENGTH>>1]; // 3 for the max coreset duration uint8_t idx=0; uint16_t a; int k,l,k_prime,dci_idx, dmrs_idx; nr_cce_t cce; + nr_reg_t reg; + nr_reg_t reg_mapping_list[NR_MAX_PDCCH_AGG_LEVEL*NR_NB_REG_PER_CCE]; /*First iteration: single DCI*/ NR_gNB_DCI_ALLOC_t dci_alloc = pdcch_vars.dci_alloc[0]; @@ -203,9 +205,10 @@ uint8_t nr_generate_dci_top(NR_gNB_PDCCH pdcch_vars, } /// DCI payload processing - // CRC attachment + Scrambling + Channel coding + Rate matching + // CRC attachment + Scrambling + Channel coding + Rate matching uint32_t encoder_output[NR_MAX_DCI_SIZE_DWORD]; - uint16_t n_RNTI = (pdcch_params.search_space_type == NFAPI_NR_SEARCH_SPACE_TYPE_UE_SPECIFIC)? pdcch_params.rnti : 0; + uint16_t n_RNTI = (pdcch_params.search_space_type == NFAPI_NR_SEARCH_SPACE_TYPE_UE_SPECIFIC)? ((pdcch_params.scrambling_id)?pdcch_params.rnti:0) : 0; + uint16_t Nid = (pdcch_params.search_space_type == NFAPI_NR_SEARCH_SPACE_TYPE_UE_SPECIFIC)? pdcch_params.scrambling_id : config.sch_config.physical_cell_id.value; #ifdef PDCCH_TEST_POLAR_TEMP_FIX t_nrPolar_paramsPtr currentPtr = NULL;//, polarParams = NULL; nr_polar_init(¤tPtr, NR_POLAR_DCI_MESSAGE_TYPE, dci_alloc.size, dci_alloc.L); @@ -216,17 +219,21 @@ uint8_t nr_generate_dci_top(NR_gNB_PDCCH pdcch_vars, #endif polar_encoder_dci(dci_alloc.dci_pdu, encoder_output, currentPtr, n_RNTI); -#ifdef DEBUG_POLAR_PARAMS +#ifdef DEBUG_CHANNEL_CODING printf("DCI PDU: [0]->0x%08x \t [1]->0x%08x \t [2]->0x%08x \t [3]->0x%08x\n", dci_alloc.dci_pdu[0], dci_alloc.dci_pdu[1], dci_alloc.dci_pdu[2], dci_alloc.dci_pdu[3]); printf("Encoded Payload: [0]->0x%08x \t [1]->0x%08x \t [2]->0x%08x \t [3]->0x%08x\n", encoder_output[0], encoder_output[1], encoder_output[2], encoder_output[3]); #endif + /// Scrambling + uint32_t scrambled_output[NR_MAX_DCI_SIZE_DWORD]; + nr_pdcch_scrambling(encoder_output, encoded_length, Nid, n_RNTI, scrambled_output); + // QPSK modulation int16_t mod_dci[NR_MAX_DCI_SIZE>>1]; for (int i=0; i>1; i++) { - idx = (((encoder_output[i<<1]>>(i<<1))&1)<<1) ^ ((encoder_output[(i<<1)+1]>>((i<<1)+1))&1); + idx = ((((scrambled_output[(i<<1)>>5])>>((i<<1)&0x1f))&1)<<1) ^ (((scrambled_output[((i<<1)+1)>>5])>>(((i<<1)+1)&0x1f))&1); mod_dci[i<<1] = nr_mod_table[(NR_MOD_TABLE_QPSK_OFFSET + idx)<<1]; mod_dci[(i<<1)+1] = nr_mod_table[((NR_MOD_TABLE_QPSK_OFFSET + idx)<<1) + 1]; #ifdef DEBUG_DCI @@ -243,40 +250,70 @@ uint8_t nr_generate_dci_top(NR_gNB_PDCCH pdcch_vars, if (cset_start_sc >= frame_parms.ofdm_symbol_size) cset_start_sc -= frame_parms.ofdm_symbol_size; - if (pdcch_params.precoder_granularity == NFAPI_NR_CSET_SAME_AS_REG_BUNDLE) { - for (int cce_idx=0; cce_idx= frame_parms.ofdm_symbol_size) - k -= frame_parms.ofdm_symbol_size; - l = cset_start_symb + cce.reg_list[reg_idx].symb_idx; - dmrs_idx = (cce.reg_list[reg_idx].reg_idx/cset_nsymb)*3; - k_prime = 0; - for (int m=0; m> 15; - ((int16_t*)txdataF[aa])[((l*frame_parms.ofdm_symbol_size + k)<<1) + 1] = (a * mod_dmrs[l][(dmrs_idx<<1) + 1]) >> 15; - k_prime++; - dmrs_idx++; - } - else { // DCI payload - ((int16_t*)txdataF[aa])[(l*frame_parms.ofdm_symbol_size + k)<<1] = (a * mod_dci[dci_idx<<1]) >> 15; - ((int16_t*)txdataF[aa])[((l*frame_parms.ofdm_symbol_size + k)<<1) + 1] = (a * mod_dci[(dci_idx<<1) + 1]) >> 15; - dci_idx++; - } - k++; - if (k >= frame_parms.ofdm_symbol_size) - k -= frame_parms.ofdm_symbol_size; - } - } + /*Reorder REG list for a freq first mapping*/ + uint8_t symb_idx[NR_MAX_CSET_DURATION] = {0,0,0}; + uint8_t nb_regs = dci_alloc.L*NR_NB_REG_PER_CCE; + uint8_t regs_per_symb = nb_regs/cset_nsymb; + for (int cce_idx=0; cce_idx> 15; + ((int16_t*)txdataF[aa])[((l*frame_parms.ofdm_symbol_size + k)<<1) + 1] = (a * mod_dmrs[l][(dmrs_idx<<1) + 1]) >> 15; + k+=4; + if (k >= frame_parms.ofdm_symbol_size) + k -= frame_parms.ofdm_symbol_size; + dmrs_idx++; + } + } } + /*Now mapping the encoded DCI based on newly constructed REG list + * and the DMRS for the precoder granularity same as REG bundle*/ + for (int reg_idx=0; reg_idx= frame_parms.ofdm_symbol_size) + k -= frame_parms.ofdm_symbol_size; + l = cset_start_symb + reg.symb_idx; + dmrs_idx = (reg.reg_idx/cset_nsymb)*3; + k_prime = 0; + for (int m=0; m> 15; + ((int16_t*)txdataF[aa])[((l*frame_parms.ofdm_symbol_size + k)<<1) + 1] = (a * mod_dmrs[l][(dmrs_idx<<1) + 1]) >> 15; + k_prime++; + dmrs_idx++; + } + } + else { // DCI payload + ((int16_t*)txdataF[aa])[(l*frame_parms.ofdm_symbol_size + k)<<1] = (a * mod_dci[dci_idx<<1]) >> 15; + ((int16_t*)txdataF[aa])[((l*frame_parms.ofdm_symbol_size + k)<<1) + 1] = (a * mod_dci[(dci_idx<<1) + 1]) >> 15; + dci_idx++; + } + k++; + if (k >= frame_parms.ofdm_symbol_size) + k -= frame_parms.ofdm_symbol_size; + } + } } #ifdef DEBUG_DCI diff --git a/openair1/PHY/NR_TRANSPORT/nr_dci_tools.c b/openair1/PHY/NR_TRANSPORT/nr_dci_tools.c index 39a0370cb1..aafafb6d7d 100644 --- a/openair1/PHY/NR_TRANSPORT/nr_dci_tools.c +++ b/openair1/PHY/NR_TRANSPORT/nr_dci_tools.c @@ -31,7 +31,7 @@ */ #include "nr_dci.h" -//#define DEBUG_NFAPI_NR_RNTI_RA + void nr_fill_cce_list(NR_gNB_DCI_ALLOC_t* dci_alloc, uint16_t n_shift, uint8_t m) { @@ -131,20 +131,6 @@ void nr_fill_dci_and_dlsch(PHY_VARS_gNB *gNB, case NFAPI_NR_RNTI_RA: // Freq domain assignment fsize = (int)ceil( log2( (N_RB*(N_RB+1))>>1 ) ); - #ifdef DEBUG_NFAPI_NR_RNTI_RA - printf("frequency_domain_assignment = %05d = %#010x\n" - " time_domain_assignment = %05d = %#010x\n" - " vrb_to_prb_mapping = %05d = %#010x\n" - " MCS = %05d = %#010x\n" - " tb_scaling = %05d = %#010x\n" - " N_RB = %05d = %#010x\n" - " fsize = %05d = %#010x\n", - pdu_rel15->frequency_domain_assignment,pdu_rel15->frequency_domain_assignment, - pdu_rel15->time_domain_assignment,pdu_rel15->time_domain_assignment, - pdu_rel15->vrb_to_prb_mapping,pdu_rel15->vrb_to_prb_mapping, - pdu_rel15->mcs,pdu_rel15->mcs,pdu_rel15->tb_scaling,pdu_rel15->tb_scaling, - N_RB,N_RB,fsize,fsize); - #endif for (int i=0; ifrequency_domain_assignment>>(fsize-i-1))&1)<sch_config.physical_cell_id.value : dci_alloc->pdcch_params.shift_index; nr_fill_cce_list(dci_alloc, n_shift, cand_idx); LOG_I(PHY, "DCI type %d payload (size %d) generated on candidate %d\n", dci_alloc->pdcch_params.dci_format, dci_alloc->size, cand_idx); - - - -/* if (rel15->dci_format == NFAPI_NR_DL_DCI_FORMAT_1_0) { - dci_alloc->format = NFAPI_NR_DL_DCI_FORMAT_1_0; - dci_alloc->size = nr_get_dci_size(rel15->dci_format, rel15->rnti_type, &fp->initial_bwp_params_dl ,cfg); - if (rel15->rnti_type == NFAPI_NR_RNTI_C - || rel15->rnti_type == NFAPI_NR_RNTI_CS - || rel15->rnti_type == NFAPI_NR_RNTI_new) { - - } else if (rel15->rnti_type == NFAPI_NR_RNTI_P) { - - } else if (rel15->rnti_type == NFAPI_NR_RNTI_SI) { - - } else if (rel15->rnti_type == NFAPI_NR_RNTI_RA) { - - } else if (rel15->rnti_type == NFAPI_NR_RNTI_TC) { - - } else { - AssertFatal(1==0, "[nr_fill_dci_and_dlsch] Incorrect DCI Format(%d) and RNTI Type(%d) combination",rel15->dci_format, rel15->rnti_type); - } - } else if (rel15->dci_format == NFAPI_NR_UL_DCI_FORMAT_0_0) { - dci_alloc->format = NFAPI_NR_UL_DCI_FORMAT_0_0; - dci_alloc->size = nr_get_dci_size(rel15->dci_format, rel15->rnti_type, &fp->initial_bwp_params_ul ,cfg); - } else if (rel15->dci_format == NFAPI_NR_DL_DCI_FORMAT_1_1) { - dci_alloc->format = NFAPI_NR_DL_DCI_FORMAT_1_1; - dci_alloc->size = nr_get_dci_size(rel15->dci_format, rel15->rnti_type, &fp->initial_bwp_params_dl ,cfg); - } else if (rel15->dci_format == NFAPI_NR_UL_DCI_FORMAT_0_1) { - dci_alloc->format = NFAPI_NR_UL_DCI_FORMAT_0_1; - dci_alloc->size = nr_get_dci_size(rel15->dci_format, rel15->rnti_type, &fp->initial_bwp_params_ul ,cfg); - } else if (rel15->dci_format == NFAPI_NR_DL_DCI_FORMAT_2_0) { - dci_alloc->format = NFAPI_NR_DL_DCI_FORMAT_2_0; - dci_alloc->size = nr_get_dci_size(rel15->dci_format, rel15->rnti_type, &fp->initial_bwp_params_dl ,cfg); - } else if (rel15->dci_format == NFAPI_NR_DL_DCI_FORMAT_2_1) { - dci_alloc->format = NFAPI_NR_DL_DCI_FORMAT_2_1; - dci_alloc->size = nr_get_dci_size(rel15->dci_format, rel15->rnti_type, &fp->initial_bwp_params_dl ,cfg); - } else if (rel15->dci_format == NFAPI_NR_DL_DCI_FORMAT_2_2) { - dci_alloc->format = NFAPI_NR_DL_DCI_FORMAT_2_2; - dci_alloc->size = nr_get_dci_size(rel15->dci_format, rel15->rnti_type, &fp->initial_bwp_params_dl ,cfg); - } else if (rel15->dci_format == NFAPI_NR_DL_DCI_FORMAT_2_3) { - dci_alloc->format = NFAPI_NR_DL_DCI_FORMAT_2_3; - dci_alloc->size = nr_get_dci_size(rel15->dci_format, rel15->rnti_type, &fp->initial_bwp_params_dl ,cfg); - } else { - AssertFatal(1==0, "[nr_fill_dci_and_dlsch] Incorrect DCI Format(%d)",rel15->dci_format); - }*/ } diff --git a/openair1/PHY/defs_nr_common.h b/openair1/PHY/defs_nr_common.h index e31da351ea..aca6f684a6 100644 --- a/openair1/PHY/defs_nr_common.h +++ b/openair1/PHY/defs_nr_common.h @@ -76,6 +76,7 @@ #define NR_MAX_NUM_BWP 4 #define NR_MAX_PDCCH_AGG_LEVEL 16 +#define NR_MAX_CSET_DURATION 3 typedef enum { NR_MU_0=0, @@ -123,7 +124,7 @@ typedef struct NR_BWP_PARMS { typedef struct { uint8_t reg_idx; - uint8_t start_sc_idx; + uint16_t start_sc_idx; uint8_t symb_idx; } nr_reg_t;