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Merge branch 'nr_pdcch' of https://gitlab.eurecom.fr/oai/openairinterface5g into nr_pdcch

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This commit is contained in:
hongzhi wang
2018-09-05 15:36:22 +02:00
parent 35c705787d a1ae155b4e
commit 2714854e6f
7 changed files with 214 additions and 97 deletions
Download Patch File Download Diff File Expand all files Collapse all files
cmake_targets/CMakeLists.txt
+2
View File
@@ -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
openair1/PHY/CODING/coding_defs.h
+16
View File
@@ -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
openair1/PHY/CODING/nr_compute_tbs.c
+120
View File
@@ -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<INDEX_MAX_TBS_TABLE; i++) {
if (Tbstable_nr[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;
}
openair1/PHY/CODING/nr_segmentation.c
+2 -2
View File
@@ -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
openair1/PHY/NR_TRANSPORT/nr_dci.c
+71 -34
View File
@@ -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(&currentPtr, 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<encoded_length>>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<dci_alloc.L; cce_idx++){
cce = dci_alloc.cce_list[cce_idx];
for (int reg_idx=0; reg_idx<NR_NB_REG_PER_CCE; reg_idx++) {
k = cset_start_sc + cce.reg_list[reg_idx].start_sc_idx;
if (k >= 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<NR_NB_SC_PER_RB; m++) {
if ( m == (k_prime<<2)+1) { // DMRS
((int16_t*)txdataF[aa])[(l*frame_parms.ofdm_symbol_size + k)<<1] = (a * mod_dmrs[l][dmrs_idx<<1]) >> 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<dci_alloc.L; cce_idx++){
cce = dci_alloc.cce_list[cce_idx];
for (int reg_idx=0; reg_idx<NR_NB_REG_PER_CCE; reg_idx++) {
reg = cce.reg_list[reg_idx];
reg_mapping_list[reg.symb_idx*regs_per_symb + symb_idx[reg.symb_idx]++] = reg;
}
}
#ifdef DEBUG_DCI
printf("\n Ordered REG list:\n");
for (int i=0; i<nb_regs; i++)
printf("%d\t",reg_mapping_list[i].reg_idx );
printf("\n");
#endif
else { //NFAPI_NR_CSET_ALL_CONTIGUOUS_RBS
if (pdcch_params.precoder_granularity == NFAPI_NR_CSET_ALL_CONTIGUOUS_RBS) {
/*in this case the DMRS are mapped on all the coreset*/
for (l=cset_start_symb; l<cset_start_symb+ cset_nsymb; l++) {
dmrs_idx = 0;
k = cset_start_sc + 1;
while (dmrs_idx<3*pdcch_params.n_rb) {
((int16_t*)txdataF[aa])[(l*frame_parms.ofdm_symbol_size + k)<<1] = (a * mod_dmrs[l][dmrs_idx<<1]) >> 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<nb_regs; reg_idx++) {
reg = reg_mapping_list[reg_idx];
k = cset_start_sc + reg.start_sc_idx;
if (k >= 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<NR_NB_SC_PER_RB; m++) {
if ( m == (k_prime<<2)+1) { // DMRS if not already mapped
if (pdcch_params.precoder_granularity == NFAPI_NR_CSET_SAME_AS_REG_BUNDLE) {
((int16_t*)txdataF[aa])[(l*frame_parms.ofdm_symbol_size + k)<<1] = (a * mod_dmrs[l][dmrs_idx<<1]) >> 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
openair1/PHY/NR_TRANSPORT/nr_dci_tools.c
+1 -60
View File
@@ -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; i<fsize; i++)
*dci_pdu |= ((pdu_rel15->frequency_domain_assignment>>(fsize-i-1))&1)<<pos++;
// Time domain assignment
@@ -180,50 +166,5 @@ void nr_fill_dci_and_dlsch(PHY_VARS_gNB *gNB,
cfg->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);
}*/
}
openair1/PHY/defs_nr_common.h
+2 -1
View File
@@ -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;