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Commit be5f62a9 authored by Florian Kaltenberger's avatar Florian Kaltenberger
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Merge branch 'nr_pdcch_updates' into 'develop-nr' 

Nr pdcch updates

See merge request !514
parents 5bb6985f 8c983da4
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cmake_targets/CMakeLists.txt
View file @ be5f62a9
......@@ -2651,7 +2651,7 @@ if (${T_TRACER})
#all "add_executable" definitions (except tests, rb_tool, updatefw)
lte-softmodem lte-softmodem-nos1 lte-uesoftmodem lte-uesoftmodem-nos1
nr-softmodem nr-softmodem-nos1 nr-uesoftmodem nr-uesoftmodem-nos1
dlsim_tm4 dlsim dlsim_tm7 ulsim pbchsim scansim mbmssim
dlsim_tm4 nr_dlsim dlsim_tm7 ulsim pbchsim scansim mbmssim
pdcchsim pucchsim prachsim syncsim ulsim
ldpctest polartest
#all "add_library" definitions
......
maketags
View file @ be5f62a9
#!/bin/sh
echo "building ctags for openair1 and openair2 ..."
ctags -e -R --exclude=openair1/DOCS/ --exclude=openair2/DOCS/ --exclude=openair2/RRC/CELLULAR/ --exclude=openair2/NAS/DRIVER/CELLULAR/ --exclude=openair2/SIMULATION/ --exclude=targets/DOCS/ --exclude=targets/PROJECTS/ openair1 openair2 openair3 targets cmake_targets common nfapi
ctags -e -R --exclude=openair1/DOCS/ --exclude=openair2/DOCS/ --exclude=openair1/SIMULATION/ --exclude=targets/DOCS/ --exclude=targets/PROJECTS/ openair1 openair2 openair3 targets cmake_targets common nfapi
nfapi/open-nFAPI/nfapi/public_inc/nfapi_nr_interface.h
View file @ be5f62a9
......@@ -13,6 +13,9 @@
#define NFAPI_NR_MAX_NB_CCE_AGGREGATION_LEVELS 5
#define NFAPI_NR_MAX_NB_TCI_STATES_PDCCH 64
#define NFAPI_NR_MAX_NB_CORESETS 12
#define NFAPI_NR_MAX_NB_SEARCH_SPACES 40
// Extension to the generic structures for single tlv values
typedef struct {
......@@ -356,7 +359,8 @@ typedef enum {
typedef enum {
NFAPI_NR_CSET_CONFIG_MIB_SIB1=0,
NFAPI_NR_CSET_CONFIG_PDCCH_CONFIG
NFAPI_NR_CSET_CONFIG_PDCCH_CONFIG, // implicit assumption of coreset Id other than 0
NFAPI_NR_CSET_CONFIG_PDCCH_CONFIG_CSET_0
} nfapi_nr_coreset_config_type_e;
typedef enum {
......@@ -364,6 +368,31 @@ typedef enum {
NFAPI_NR_CSET_ALL_CONTIGUOUS_RBS
} nfapi_nr_coreset_precoder_granularity_type_e;
typedef enum {
NFAPI_NR_QCL_TYPE_A=0,
NFAPI_NR_QCL_TYPE_B,
NFAPI_NR_QCL_TYPE_C,
NFAPI_NR_QCL_TYPE_D
} nfapi_nr_qcl_type_e;
typedef enum {
NFAPI_NR_SS_PERIODICITY_SL1=1,
NFAPI_NR_SS_PERIODICITY_SL2=2,
NFAPI_NR_SS_PERIODICITY_SL4=4,
NFAPI_NR_SS_PERIODICITY_SL5=5,
NFAPI_NR_SS_PERIODICITY_SL8=8,
NFAPI_NR_SS_PERIODICITY_SL10=10,
NFAPI_NR_SS_PERIODICITY_SL16=16,
NFAPI_NR_SS_PERIODICITY_SL20=20,
NFAPI_NR_SS_PERIODICITY_SL40=40,
NFAPI_NR_SS_PERIODICITY_SL80=80,
NFAPI_NR_SS_PERIODICITY_SL160=160,
NFAPI_NR_SS_PERIODICITY_SL320=320,
NFAPI_NR_SS_PERIODICITY_SL640=640,
NFAPI_NR_SS_PERIODICITY_SL1280=1280,
NFAPI_NR_SS_PERIODICITY_SL2560=2560
} nfapi_nr_search_space_monitoring_periodicity_e;
typedef enum {
NFAPI_NR_PDSCH_TIME_DOMAIN_ALLOC_TYPE_DEFAULT_A=0,
NFAPI_NR_PDSCH_TIME_DOMAIN_ALLOC_TYPE_DEFAULT_B,
......@@ -496,9 +525,9 @@ typedef struct{
uint8_t css_format_2_2;
uint8_t css_format_2_3;
uint8_t uss_dci_formats;
uint8_t srs_monitoring_periodicity;
uint8_t slot_monitoring_periodicity;
uint8_t slot_monitoring_offset;
uint16_t srs_monitoring_periodicity;
uint16_t slot_monitoring_periodicity;
uint16_t slot_monitoring_offset;
uint16_t monitoring_symbols_in_slot;
uint16_t number_of_candidates[NFAPI_NR_MAX_NB_CCE_AGGREGATION_LEVELS];
} nfapi_nr_search_space_t;
......@@ -516,7 +545,7 @@ typedef struct {
uint8_t aggregation_level;
uint8_t n_rb;
uint8_t n_symb;
uint8_t rb_offset;
int8_t rb_offset;
uint8_t cr_mapping_type;
uint8_t reg_bundle_size;
uint8_t interleaver_size;
......
openair1/PHY/CODING/nrPolar_tools/nr_polar_decoder.c
View file @ be5f62a9
......@@ -1160,7 +1160,6 @@ uint32_t polar_decoder_int16(int16_t *input,
out[0]=Ar;
return(crc^rxcrc);
......
openair1/PHY/MODULATION/slot_fep_nr.c
View file @ be5f62a9
......@@ -54,13 +54,19 @@ int nr_slot_fep(PHY_VARS_NR_UE *ue,
//int i;
unsigned int frame_length_samples = frame_parms->samples_per_subframe * 10;
unsigned int rx_offset;
NR_UE_PDCCH *pdcch_vars = ue->pdcch_vars[ue->current_thread_id[Ns>>1]][0];
uint16_t coreset_start_subcarrier = frame_parms->first_carrier_offset+((int)floor(frame_parms->ssb_start_subcarrier/NR_NB_SC_PER_RB)+pdcch_vars->coreset[0].rb_offset)*NR_NB_SC_PER_RB;
uint16_t nb_rb_coreset = 24;
uint16_t bwp_start_subcarrier = frame_parms->first_carrier_offset+516;
NR_UE_PDCCH *pdcch_vars = ue->pdcch_vars[ue->current_thread_id[Ns]][0];
uint16_t coreset_start_subcarrier = frame_parms->first_carrier_offset;//+((int)floor(frame_parms->ssb_start_subcarrier/NR_NB_SC_PER_RB)+pdcch_vars->coreset[0].rb_offset)*NR_NB_SC_PER_RB;
uint16_t nb_rb_coreset = 0;
uint16_t bwp_start_subcarrier = frame_parms->first_carrier_offset;//+516;
uint16_t nb_rb_pdsch = 50;
uint8_t p=0;
uint8_t l0 = 2;
uint8_t l0 = pdcch_vars->coreset[0].duration;
uint64_t coreset_freq_dom = pdcch_vars->coreset[0].frequencyDomainResources;
for (int i = 0; i < 45; i++) {
if (((coreset_freq_dom & 0x1FFFFFFFFFFF) >> i) & 0x1) nb_rb_coreset++;
}
nb_rb_coreset = 6 * nb_rb_coreset;
//printf("corset duration %d nb_rb_coreset %d\n", l0, nb_rb_coreset);
void (*dft)(int16_t *,int16_t *, int);
int tmp_dft_in[8192] __attribute__ ((aligned (32))); // This is for misalignment issues for 6 and 15 PRBs
......@@ -104,9 +110,9 @@ int nr_slot_fep(PHY_VARS_NR_UE *ue,
}
if (no_prefix) {
slot_offset = frame_parms->ofdm_symbol_size * (frame_parms->symbols_per_slot*frame_parms->slots_per_subframe) * (Ns>>1);
slot_offset = frame_parms->ofdm_symbol_size * (frame_parms->symbols_per_slot) * (Ns);
} else {
slot_offset = (frame_parms->samples_per_subframe) * (Ns>>1);
slot_offset = (frame_parms->samples_per_slot) * (Ns);
}
/*if (l<0 || l>=7-frame_parms->Ncp) {
......@@ -122,7 +128,7 @@ int nr_slot_fep(PHY_VARS_NR_UE *ue,
for (aa=0; aa<frame_parms->nb_antennas_rx; aa++) {
memset(&common_vars->common_vars_rx_data_per_thread[ue->current_thread_id[Ns>>1]].rxdataF[aa][frame_parms->ofdm_symbol_size*symbol],0,frame_parms->ofdm_symbol_size*sizeof(int));
memset(&common_vars->common_vars_rx_data_per_thread[ue->current_thread_id[Ns]].rxdataF[aa][frame_parms->ofdm_symbol_size*symbol],0,frame_parms->ofdm_symbol_size*sizeof(int));
rx_offset = sample_offset + slot_offset + nb_prefix_samples0 - SOFFSET;
// Align with 256 bit
......@@ -130,7 +136,7 @@ int nr_slot_fep(PHY_VARS_NR_UE *ue,
#ifdef DEBUG_FEP
// if (ue->frame <100)
/*LOG_I(PHY,*/printf("slot_fep: frame %d: slot %d, symbol %d, nb_prefix_samples %d, nb_prefix_samples0 %d, slot_offset %d, sample_offset %d,rx_offset %d, frame_length_samples %d\n", ue->proc.proc_rxtx[(Ns>>1)&1].frame_rx,Ns, symbol,
/*LOG_I(PHY,*/printf("slot_fep: frame %d: slot %d, symbol %d, nb_prefix_samples %d, nb_prefix_samples0 %d, slot_offset %d, sample_offset %d,rx_offset %d, frame_length_samples %d\n", ue->proc.proc_rxtx[(Ns)&1].frame_rx,Ns, symbol,
nb_prefix_samples,nb_prefix_samples0,slot_offset,sample_offset,rx_offset,frame_length_samples);
#endif
......@@ -146,14 +152,14 @@ int nr_slot_fep(PHY_VARS_NR_UE *ue,
(void *)&common_vars->rxdata[aa][rx_offset % frame_length_samples],
frame_parms->ofdm_symbol_size*sizeof(int));
dft((int16_t *)tmp_dft_in,
(int16_t *)&common_vars->common_vars_rx_data_per_thread[ue->current_thread_id[Ns>>1]].rxdataF[aa][frame_parms->ofdm_symbol_size*symbol],1);
(int16_t *)&common_vars->common_vars_rx_data_per_thread[ue->current_thread_id[Ns]].rxdataF[aa][frame_parms->ofdm_symbol_size*symbol],1);
} else { // use dft input from RX buffer directly
#if UE_TIMING_TRACE
start_meas(&ue->rx_dft_stats);
#endif
dft((int16_t *)&common_vars->rxdata[aa][(rx_offset) % frame_length_samples],
(int16_t *)&common_vars->common_vars_rx_data_per_thread[ue->current_thread_id[Ns>>1]].rxdataF[aa][frame_parms->ofdm_symbol_size*symbol],1);
(int16_t *)&common_vars->common_vars_rx_data_per_thread[ue->current_thread_id[Ns]].rxdataF[aa][frame_parms->ofdm_symbol_size*symbol],1);
#if UE_TIMING_TRACE
stop_meas(&ue->rx_dft_stats);
#endif
......@@ -175,11 +181,11 @@ int nr_slot_fep(PHY_VARS_NR_UE *ue,
(void *)&common_vars->rxdata[aa][(rx_offset) % frame_length_samples],
frame_parms->ofdm_symbol_size*sizeof(int));
dft((int16_t *)tmp_dft_in,
(int16_t *)&common_vars->common_vars_rx_data_per_thread[ue->current_thread_id[Ns>>1]].rxdataF[aa][frame_parms->ofdm_symbol_size*symbol],1);
(int16_t *)&common_vars->common_vars_rx_data_per_thread[ue->current_thread_id[Ns]].rxdataF[aa][frame_parms->ofdm_symbol_size*symbol],1);
} else { // use dft input from RX buffer directly
dft((int16_t *)&common_vars->rxdata[aa][(rx_offset) % frame_length_samples],
(int16_t *)&common_vars->common_vars_rx_data_per_thread[ue->current_thread_id[Ns>>1]].rxdataF[aa][frame_parms->ofdm_symbol_size*symbol],1);
(int16_t *)&common_vars->common_vars_rx_data_per_thread[ue->current_thread_id[Ns]].rxdataF[aa][frame_parms->ofdm_symbol_size*symbol],1);
}
#if UE_TIMING_TRACE
stop_meas(&ue->rx_dft_stats);
......
openair1/PHY/NR_REFSIG/nr_dmrs_rx.c
View file @ be5f62a9
......@@ -32,6 +32,7 @@
//#define NR_PBCH_DMRS_LENGTH_DWORD 5
//#define NR_PBCH_DMRS_LENGTH 144
//#define DEBUG_PDCCH
#include "refsig_defs_ue.h"
#include "PHY/defs_nr_UE.h"
......
openair1/PHY/NR_TRANSPORT/nr_dci.c
View file @ be5f62a9
......@@ -20,7 +20,7 @@
*/
/*! \file PHY/NR_TRANSPORT/nr_dci.c
* \brief Implements DCI encoding and PDCCH TX procedures (38.212/38.213/38.214). V15.2.0 2018-06.
* \brief Implements DCI encoding and PDCCH TX procedures (38.212/38.213/38.214). V15.4.0 2019-01.
* \author Guy De Souza
* \date 2018
* \version 0.1
......@@ -35,7 +35,6 @@
//#define DEBUG_PDCCH_DMRS
//#define DEBUG_DCI
//#define DEBUG_CHANNEL_CODING
#define PDCCH_TEST_POLAR_TEMP_FIX
extern short nr_mod_table[NR_MOD_TABLE_SIZE_SHORT];
......@@ -154,7 +153,7 @@ void nr_pdcch_scrambling(uint32_t *in,
}
}
(*out) ^= ((((*in)>>(i&0x1f))&1) ^ ((s>>(i&0x1f))&1))<<(i&0x1f);
// printf("nr_pdcch_scrambling: in %d => out %d\n",((*in)>>(i&0x1f))&1,((*out)>>(i&0x1f))&1);
//printf("nr_pdcch_scrambling: in %d seq 0x%08x => out %d\n",((*in)>>(i&0x1f))&1,s,((*out)>>(i&0x1f))&1);
}
}
......@@ -169,8 +168,10 @@ uint8_t nr_generate_dci_top(NR_gNB_PDCCH pdcch_vars,
{
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;
uint32_t dmrs_seq[NR_MAX_PDCCH_DMRS_INIT_LENGTH_DWORD];
uint16_t dmrs_offset=0;
uint16_t cset_start_sc;
uint8_t cset_start_symb, cset_nsymb;
int k,l,k_prime,dci_idx, dmrs_idx;
nr_cce_t cce;
nr_reg_t reg;
......@@ -179,62 +180,88 @@ uint8_t nr_generate_dci_top(NR_gNB_PDCCH pdcch_vars,
/*First iteration: single DCI*/
NR_gNB_DCI_ALLOC_t dci_alloc = pdcch_vars.dci_alloc[0];
nfapi_nr_dl_config_pdcch_parameters_rel15_t pdcch_params = dci_alloc.pdcch_params;
uint16_t dmrs_length = dci_alloc.L*36; //2(QPSK)*3(per RB)*6(REG per CCE)
uint16_t encoded_length = dci_alloc.L*108; //2(QPSK)*9(per RB)*6(REG per CCE)
/*The coreset is initialised
* in frequency: the first subcarrier is obtained by adding the first CRB overlapping the SSB and the rb_offset
* in frequency: the first subcarrier is obtained by adding the first CRB overlapping the SSB and the rb_offset for coreset 0
* or the rb_offset for other coresets
* in time: by its first slot and its first symbol*/
uint16_t cset_start_sc = frame_parms.first_carrier_offset + ((int)floor(frame_parms.ssb_start_subcarrier/NR_NB_SC_PER_RB)+pdcch_params.rb_offset)*NR_NB_SC_PER_RB;
// uint8_t cset_start_symb = pdcch_params.first_slot*frame_parms.symbols_per_slot + pdcch_params.first_symbol;
uint8_t cset_start_symb = pdcch_params.first_symbol;
uint8_t cset_nsymb = pdcch_params.n_symb;
if (pdcch_params.config_type == NFAPI_NR_CSET_CONFIG_MIB_SIB1){
cset_start_sc = frame_parms.first_carrier_offset + (frame_parms.ssb_start_subcarrier/NR_NB_SC_PER_RB +
pdcch_params.rb_offset)*NR_NB_SC_PER_RB;
}
else
cset_start_sc = frame_parms.first_carrier_offset + pdcch_params.rb_offset*NR_NB_SC_PER_RB;
cset_start_symb = pdcch_params.first_symbol;
cset_nsymb = pdcch_params.n_symb;
dci_idx = 0;
LOG_I(PHY, "Coreset starting subcarrier %d on symbol %d (%d symbols)\n", cset_start_sc, cset_start_symb, cset_nsymb);
// DMRS length is per OFDM symbol
uint16_t dmrs_length = (pdcch_params.precoder_granularity == NFAPI_NR_CSET_ALL_CONTIGUOUS_RBS)?
(pdcch_params.n_rb*6) : (dci_alloc.L*36/cset_nsymb); //2(QPSK)*3(per RB)*6(REG per CCE)
uint16_t encoded_length = dci_alloc.L*108; //2(QPSK)*9(per RB)*6(REG per CCE)
LOG_I(PHY, "DMRS length per symbol %d\t DCI encoded length %d\n", dmrs_length, encoded_length);
/// DMRS QPSK modulation
/*There is a need to shift from which index the pregenerated DMRS sequence is used
* see 38211 r15.2.0 section 7.4.1.3.2: assumption is the reference point for k refers to the DMRS sequence*/
if (pdcch_params.config_type == NFAPI_NR_CSET_CONFIG_PDCCH_CONFIG)
gold_pdcch_dmrs += ((int)floor(frame_parms.ssb_start_subcarrier/NR_NB_SC_PER_RB)+pdcch_params.rb_offset)*3/32;
if (pdcch_params.config_type == NFAPI_NR_CSET_CONFIG_PDCCH_CONFIG) {
for (int symb=cset_start_symb; symb<cset_start_symb + pdcch_params.n_symb; symb++)
gold_pdcch_dmrs[symb] += (pdcch_params.rb_offset*3)>>5;
dmrs_offset = (pdcch_params.rb_offset*3)&0x1f;
LOG_I(PHY, "PDCCH DMRS offset %d\n", dmrs_offset);
}
for (int symb=cset_start_symb; symb<cset_start_symb + pdcch_params.n_symb; symb++) {
for (int i=0; i<dmrs_length>>1; i++) {
idx = ((((gold_pdcch_dmrs[symb][(i<<1)>>5])>>((i<<1)&0x1f))&1)<<1) ^ (((gold_pdcch_dmrs[symb][((i<<1)+1)>>5])>>(((i<<1)+1)&0x1f))&1);
mod_dmrs[symb][i<<1] = nr_mod_table[(NR_MOD_TABLE_QPSK_OFFSET + idx)<<1];
mod_dmrs[symb][(i<<1)+1] = nr_mod_table[((NR_MOD_TABLE_QPSK_OFFSET + idx)<<1) + 1];
#ifdef DEBUG_PDCCH_DMRS
printf("symb %d i %d idx %d gold seq %u b0-b1 %d-%d mod_dmrs %d %d\n", symb, i, idx, gold_pdcch_dmrs[symb][(i<<1)>>5],
(((gold_pdcch_dmrs[symb][(i<<1)>>5])>>((i<<1)&0x1f))&1), (((gold_pdcch_dmrs[symb][((i<<1)+1)>>5])>>(((i<<1)+1)&0x1f))&1),
mod_dmrs[symb][(i<<1)], mod_dmrs[symb][(i<<1)+1]);
#endif
if (dmrs_offset) {
// a non zero offset requires the DMRS sequence to be rearranged
memset(dmrs_seq,0, NR_MAX_PDCCH_DMRS_INIT_LENGTH_DWORD*sizeof(uint32_t));
for (int i=0; i<dmrs_length; i++) {
dmrs_seq[(i>>5)] |= ((gold_pdcch_dmrs[symb][(i+dmrs_offset)>>5]>>((i+dmrs_offset)&0x1f))&1)<<(i&0x1f);
#ifdef DEBUG_PDCCH_DMRS
//printf("out 0x%08x in 0x%08x \n", dmrs_seq[(i>>5)], gold_pdcch_dmrs[symb][(i+dmrs_offset)>>5]);
#endif
}
nr_modulation(dmrs_seq, dmrs_length, MOD_QPSK, mod_dmrs[symb]);
}
else
nr_modulation(gold_pdcch_dmrs[symb], dmrs_length, MOD_QPSK, mod_dmrs[symb]);
#ifdef DEBUG_PDCCH_DMRS
for (int i=0; i<dmrs_length>>1; i++)
if (dmrs_offset)
printf("symb %d i %d gold seq 0x%08x mod_dmrs %d %d\n", symb, i, dmrs_seq[i>>5],
mod_dmrs[symb][i<<1], mod_dmrs[symb][(i<<1)+1] );
else
printf("symb %d i %d gold seq 0x%08x mod_dmrs %d %d\n", symb, i,
gold_pdcch_dmrs[symb][i>>5], mod_dmrs[symb][i<<1], mod_dmrs[symb][(i<<1)+1] );
#endif
}
/// DCI payload processing
// 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.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
// nr_polar_init(&currentPtr, NR_POLAR_DCI_MESSAGE_TYPE, dci_alloc.size, dci_alloc.L);
// t_nrPolar_paramsPtr currentPtr = nr_polar_params(*nrPolar_params, NR_POLAR_DCI_MESSAGE_TYPE, dci_alloc.size, dci_alloc.L);
//#else
uint16_t n_RNTI = (pdcch_params.search_space_type == NFAPI_NR_SEARCH_SPACE_TYPE_UE_SPECIFIC)? pdcch_params.rnti: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;
nr_polar_init(nrPolar_params, NR_POLAR_DCI_MESSAGE_TYPE, dci_alloc.size, dci_alloc.L);
t_nrPolar_paramsPtr currentPtr = nr_polar_params(*nrPolar_params, NR_POLAR_DCI_MESSAGE_TYPE, dci_alloc.size, dci_alloc.L);
//#endif
//polar_encoder_dci(dci_alloc.dci_pdu, encoder_output, currentPtr, pdcch_params.rnti);
polar_encoder_fast(dci_alloc.dci_pdu, encoder_output, pdcch_params.rnti,currentPtr);
#ifdef DEBUG_CHANNEL_CODING
printf("polar rnti %d\n",pdcch_params.rnti);
for (int i=0;i<54;i++) printf("Encoded Payload: [%d]->0x%08x \n", i,encoder_output[i]);
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]);
printf("DCI PDU: [0]->0x%lx \t [1]->0x%lx\n",
dci_alloc.dci_pdu[0], dci_alloc.dci_pdu[1]);
printf("Encoded Payload (length:%d dwords):\n", encoded_length>>5);
for (int i=0;i<encoded_length>>5;i++)
printf("[%d]->0x%08x \t", i,encoder_output[i]);
printf("\n");
#endif
/// Scrambling
......@@ -247,17 +274,13 @@ printf("scrambled output: [0]->0x%08x \t [1]->0x%08x \t [2]->0x%08x \t [3]->0x%0
scrambled_output[6], scrambled_output[7], scrambled_output[8], scrambled_output[9], scrambled_output[10],scrambled_output[11] );
#endif
// QPSK modulation
/// QPSK modulation
int16_t mod_dci[NR_MAX_DCI_SIZE>>1];
for (int i=0; i<encoded_length>>1; i++) {
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];
nr_modulation(scrambled_output, encoded_length, MOD_QPSK, mod_dci);
#ifdef DEBUG_DCI
printf("i %d idx %d b0-b1 %d-%d mod_dci %d %d\n", i, idx, (((scrambled_output[(i<<1)>>5])>>((i<<1)&0x1f))&1),
(((scrambled_output[((i<<1)+1)>>5])>>(((i<<1)+1)&0x1f))&1), mod_dci[(i<<1)], mod_dci[(i<<1)+1]);
for (int i=0; i<encoded_length>>1; i++)
printf("i %d mod_dci %d %d\n", i, mod_dci[i<<1], mod_dci[(i<<1)+1] );
#endif
}
/// Resource mapping
......@@ -289,10 +312,11 @@ printf("scrambled output: [0]->0x%08x \t [1]->0x%08x \t [2]->0x%08x \t [3]->0x%0
dmrs_idx = 0;
k = cset_start_sc + 1;
while (dmrs_idx<3*pdcch_params.n_rb) {
((int16_t*)txdataF)[(l*frame_parms.ofdm_symbol_size + k)<<1] = (amp * mod_dmrs[l][dmrs_idx<<1]) >> 15;
((int16_t*)txdataF)[((l*frame_parms.ofdm_symbol_size + k)<<1) + 1] = (amp * mod_dmrs[l][(dmrs_idx<<1) + 1]) >> 15;
((int16_t*)txdataF)[(l*frame_parms.ofdm_symbol_size + k)<<1] = ((amp>>1) * mod_dmrs[l][dmrs_idx<<1]) >> 15;
((int16_t*)txdataF)[((l*frame_parms.ofdm_symbol_size + k)<<1) + 1] = ((amp>>1) * mod_dmrs[l][(dmrs_idx<<1) + 1]) >> 15;
#ifdef DEBUG_PDCCH_DMRS
printf("symbol %d position %d => (%d,%d)\n",l,k,((int16_t*)txdataF[aa])[(l*frame_parms.ofdm_symbol_size + k)<<1] , ((int16_t*)txdataF[aa])[((l*frame_parms.ofdm_symbol_size + k)<<1)+1]);
printf("symbol %d position %d => (%d,%d)\n",l,k,((int16_t*)txdataF)[(l*frame_parms.ofdm_symbol_size + k)<<1] ,
((int16_t*)txdataF)[((l*frame_parms.ofdm_symbol_size + k)<<1)+1]);
#endif
k+=4;
if (k >= frame_parms.ofdm_symbol_size)
......@@ -315,19 +339,23 @@ printf("scrambled output: [0]->0x%08x \t [1]->0x%08x \t [2]->0x%08x \t [3]->0x%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)[(l*frame_parms.ofdm_symbol_size + k)<<1] = (amp * mod_dmrs[l][dmrs_idx<<1]) >> 15;
((int16_t*)txdataF)[((l*frame_parms.ofdm_symbol_size + k)<<1) + 1] = (amp * mod_dmrs[l][(dmrs_idx<<1) + 1]) >> 15;
((int16_t*)txdataF)[(l*frame_parms.ofdm_symbol_size + k)<<1] = ((amp>>1) * mod_dmrs[l][dmrs_idx<<1]) >> 15;
((int16_t*)txdataF)[((l*frame_parms.ofdm_symbol_size + k)<<1) + 1] = ((amp>>1) * mod_dmrs[l][(dmrs_idx<<1) + 1]) >> 15;
#ifdef DEBUG_PDCCH_DMRS
printf("l %d position %d => (%d,%d)\n",l,k,((int16_t*)txdataF[aa])[(l*frame_parms.ofdm_symbol_size + k)<<1] , ((int16_t*)txdataF[aa])[((l*frame_parms.ofdm_symbol_size + k)<<1)+1]);
printf("l %d position %d => (%d,%d)\n",l,k,((int16_t*)txdataF)[(l*frame_parms.ofdm_symbol_size + k)<<1] ,
((int16_t*)txdataF)[((l*frame_parms.ofdm_symbol_size + k)<<1)+1]);
#endif
k_prime++;
dmrs_idx++;
}
k_prime++;
}
else { // DCI payload
((int16_t*)txdataF)[(l*frame_parms.ofdm_symbol_size + k)<<1] = (amp * mod_dci[dci_idx<<1]) >> 15;
((int16_t*)txdataF)[((l*frame_parms.ofdm_symbol_size + k)<<1) + 1] = (amp * mod_dci[(dci_idx<<1) + 1]) >> 15;
//printf("dci output %d %d\n",(a * mod_dci[dci_idx<<1]) >> 15, (a * mod_dci[(dci_idx<<1) + 1]) >> 15);
#ifdef DEBUG_DCI
printf("l %d position %d => (%d,%d)\n",l,k,((int16_t*)txdataF)[(l*frame_parms.ofdm_symbol_size + k)<<1] ,
((int16_t*)txdataF)[((l*frame_parms.ofdm_symbol_size + k)<<1)+1]);
#endif
dci_idx++;
}
k++;
......
openair1/PHY/NR_TRANSPORT/nr_dci_tools.c
View file @ be5f62a9
......@@ -61,11 +61,13 @@ void nr_fill_cce_list(NR_gNB_DCI_ALLOC_t* dci_alloc, uint16_t n_shift, uint8_t m
else { //NFAPI_NR_SEARCH_SPACE_TYPE_UE_SPECIFIC
}
uint8_t cond = N_reg%(bsize*R);
AssertFatal(cond==0, "CCE to REG interleaving: Invalid configuration leading to non integer C\n");
C = N_reg/(bsize*R);
if (pdcch_params->cr_mapping_type == NFAPI_NR_CCE_REG_MAPPING_INTERLEAVED) {
AssertFatal((N_reg%(bsize*R))==0, "CCE to REG interleaving: Invalid configuration leading to non integer C (N_reg %d, bsize %d R %d)\n",
N_reg, bsize, R);
C = N_reg/(bsize*R);
}
tmp = L * (( Y + (m*N_cce)/(L*M_s_max) + n_CI ) % (N_cce/L));
tmp = L * (( Y + (m*N_cce)/(L*M_s_max) + n_CI ) % CEILIDIV(N_cce,L));
LOG_I(PHY, "CCE list generation for candidate %d: bundle size %d ilv size %d tmp %d\n", m, bsize, R, tmp);
for (uint8_t cce_idx=0; cce_idx<L; cce_idx++) {
......@@ -189,14 +191,16 @@ void nr_fill_dci_and_dlsch(PHY_VARS_gNB *gNB,
#endif
break;
case NFAPI_NR_RNTI_C:
case NFAPI_NR_RNTI_C:
// indicating a DL DCI format 1bit
pos++;
*dci_pdu |= (pdu_rel15->format_indicator&1)<<(dci_alloc->size-pos);
// Freq domain assignment (275rb >> fsize = 16)
fsize = (int)ceil( log2( (N_RB*(N_RB+1))>>1 ) );
pos+=fsize;
*dci_pdu |= ((pdu_rel15->frequency_domain_assignment&((1<<fsize)-1)) << (dci_alloc->size-pos));
*dci_pdu |= ((pdu_rel15->frequency_domain_assignment&((1<<fsize)-1)) << (dci_alloc->size-pos));
if (((pdu_rel15->frequency_domain_assignment+1)&1) ==0) //fsize are all 1 38.212 p86
{
......@@ -223,8 +227,7 @@ void nr_fill_dci_and_dlsch(PHY_VARS_gNB *gNB,
// Time domain assignment 4bit
pos+=4;
*dci_pdu |= ((pdu_rel15->time_domain_assignment&0xf) << (dci_alloc->size-pos));
*dci_pdu |= ((pdu_rel15->time_domain_assignment&0xf) << (dci_alloc->size-pos));
// VRB to PRB mapping 1bit
pos++;
......@@ -244,7 +247,7 @@ void nr_fill_dci_and_dlsch(PHY_VARS_gNB *gNB,
// HARQ process number 4bit
pos+=4;
*dci_pdu |= ((pdu_rel15->harq_pid&0xf)<<(dci_alloc->size-pos));
*dci_pdu |= ((pdu_rel15->harq_pid&0xf)<<(dci_alloc->size-pos));
// Downlink assignment index 2bit
pos+=2;
......@@ -252,15 +255,15 @@ void nr_fill_dci_and_dlsch(PHY_VARS_gNB *gNB,
// TPC command for scheduled PUCCH 2bit
pos+=2;
*dci_pdu |= ((pdu_rel15->tpc&3)<<(dci_alloc->size-pos));
*dci_pdu |= ((pdu_rel15->tpc&3)<<(dci_alloc->size-pos));
// PUCCH resource indicator 3bit
pos+=3;
*dci_pdu |= ((pdu_rel15->pucch_resource_indicator&0x7)<<(dci_alloc->size-pos));
*dci_pdu |= ((pdu_rel15->pucch_resource_indicator&0x7)<<(dci_alloc->size-pos));
// PDSCH-to-HARQ_feedback timing indicator 3bit
pos+=3;
*dci_pdu |= ((pdu_rel15->pdsch_to_harq_feedback_timing_indicator&0x7)<<(dci_alloc->size-pos));
*dci_pdu |= ((pdu_rel15->pdsch_to_harq_feedback_timing_indicator&0x7)<<(dci_alloc->size-pos));
} //end else
break;
......
openair1/PHY/NR_UE_ESTIMATION/nr_dl_channel_estimation.c
View file @ be5f62a9
......@@ -28,6 +28,7 @@
#include "PHY/NR_REFSIG/refsig_defs_ue.h"
#include "filt16a_32.h"
#include "T.h"
//#define DEBUG_PDSCH
//#define DEBUG_PDCCH
......@@ -271,8 +272,8 @@ int nr_pdcch_channel_estimation(PHY_VARS_NR_UE *ue,
//uint16_t Nid_cell = (eNB_offset == 0) ? ue->frame_parms.Nid_cell : ue->measurements.adj_cell_id[eNB_offset-1];
uint8_t nushift;
int **dl_ch_estimates =ue->common_vars.common_vars_rx_data_per_thread[ue->current_thread_id[Ns>>1]].dl_ch_estimates[eNB_offset];
int **rxdataF=ue->common_vars.common_vars_rx_data_per_thread[ue->current_thread_id[Ns>>1]].rxdataF;
int **dl_ch_estimates =ue->common_vars.common_vars_rx_data_per_thread[ue->current_thread_id[Ns]].dl_ch_estimates[eNB_offset];
int **rxdataF=ue->common_vars.common_vars_rx_data_per_thread[ue->current_thread_id[Ns]].rxdataF;
nushift = 1;
ue->frame_parms.nushift = nushift;
......@@ -287,7 +288,7 @@ int nr_pdcch_channel_estimation(PHY_VARS_NR_UE *ue,
k = coreset_start_subcarrier;
#ifdef DEBUG_PDCCH
printf("PDCCH Channel Estimation : ThreadId %d, eNB_offset %d ch_offset %d, OFDM size %d, Ncp=%d, l=%d, Ns=%d, k=%d symbol %d\n",ue->current_thread_id[Ns>>1], eNB_offset,ch_offset,ue->frame_parms.ofdm_symbol_size,
printf("PDCCH Channel Estimation : ThreadId %d, eNB_offset %d ch_offset %d, OFDM size %d, Ncp=%d, l=%d, Ns=%d, k=%d symbol %d\n",ue->current_thread_id[Ns], eNB_offset,ch_offset,ue->frame_parms.ofdm_symbol_size,
ue->frame_parms.Ncp,l,Ns,k, symbol);
#endif
......@@ -297,7 +298,7 @@ int nr_pdcch_channel_estimation(PHY_VARS_NR_UE *ue,
// generate pilot
nr_pdcch_dmrs_rx(ue,eNB_offset,Ns,ue->nr_gold_pdcch[eNB_offset][Ns>>1][symbol], &pilot[0],2000,nb_rb_coreset);
nr_pdcch_dmrs_rx(ue,eNB_offset,Ns,ue->nr_gold_pdcch[eNB_offset][Ns][symbol], &pilot[0],2000,nb_rb_coreset);
for (aarx=0; aarx<ue->frame_parms.nb_antennas_rx; aarx++) {
......@@ -459,16 +460,16 @@ int nr_pdcch_channel_estimation(PHY_VARS_NR_UE *ue,
break;
}
//if( (Ns== 2) && (l == 0))
if( (Ns== 1) && (l == 0))
{
// do ifft of channel estimate
for (aarx=0; aarx<ue->frame_parms.nb_antennas_rx; aarx++)
for (p=0; p<ue->frame_parms.nb_antenna_ports_eNB; p++) {
if (ue->common_vars.common_vars_rx_data_per_thread[ue->current_thread_id[Ns>>1]].dl_ch_estimates[eNB_offset][(p<<1)+aarx])
if (ue->common_vars.common_vars_rx_data_per_thread[ue->current_thread_id[Ns]].dl_ch_estimates[eNB_offset][(p<<1)+aarx])
{
LOG_D(PHY,"Channel Impulse Computation Slot %d ThreadId %d Symbol %d \n", Ns, ue->current_thread_id[Ns>>1], l);
idft((int16_t*) &ue->common_vars.common_vars_rx_data_per_thread[ue->current_thread_id[Ns>>1]].dl_ch_estimates[eNB_offset][(p<<1)+aarx][0],
(int16_t*) ue->common_vars.common_vars_rx_data_per_thread[ue->current_thread_id[Ns>>1]].dl_ch_estimates_time[eNB_offset][(p<<1)+aarx],1);
LOG_D(PHY,"Channel Impulse Computation Slot %d ThreadId %d Symbol %d \n", Ns, ue->current_thread_id[Ns], l);
idft((int16_t*) &ue->common_vars.common_vars_rx_data_per_thread[ue->current_thread_id[Ns]].dl_ch_estimates[eNB_offset][(p<<1)+aarx][0],
(int16_t*) ue->common_vars.common_vars_rx_data_per_thread[ue->current_thread_id[Ns]].dl_ch_estimates_time[eNB_offset][(p<<1)+aarx],1);
}
}
}
......@@ -496,8 +497,8 @@ int nr_pdsch_channel_estimation(PHY_VARS_NR_UE *ue,
//uint16_t Nid_cell = (eNB_offset == 0) ? ue->frame_parms.Nid_cell : ue->measurements.adj_cell_id[eNB_offset-1];
uint8_t nushift;
int **dl_ch_estimates =ue->common_vars.common_vars_rx_data_per_thread[ue->current_thread_id[Ns>>1]].dl_ch_estimates[eNB_offset];
int **rxdataF=ue->common_vars.common_vars_rx_data_per_thread[ue->current_thread_id[Ns>>1]].rxdataF;
int **dl_ch_estimates =ue->common_vars.common_vars_rx_data_per_thread[ue->current_thread_id[Ns]].dl_ch_estimates[eNB_offset];
int **rxdataF=ue->common_vars.common_vars_rx_data_per_thread[ue->current_thread_id[Ns]].rxdataF;
nushift = (p>>1)&1;
ue->frame_parms.nushift = nushift;
......
openair1/PHY/NR_UE_TRANSPORT/dci_nr.c
View file @ be5f62a9
......@@ -805,7 +805,7 @@ int32_t nr_rx_pdcch(PHY_VARS_NR_UE *ue,
// For each BWP the number of CORESETs is limited to 3 (including initial CORESET Id=0 -> ControlResourceSetId (0..maxNrofControlReourceSets-1) (0..12-1)
//uint32_t n_BWP_start = 0;
//uint32_t n_rb_offset = 0;
uint32_t n_rb_offset = pdcch_vars2->coreset[nb_coreset_active].rb_offset+(int)floor(frame_parms->ssb_start_subcarrier/NR_NB_SC_PER_RB);
uint32_t n_rb_offset = pdcch_vars2->coreset[nb_coreset_active].rb_offset/*+(int)floor(frame_parms->ssb_start_subcarrier/NR_NB_SC_PER_RB)*/;
// start time position for CORESET
// parameter symbol_mon is a 14 bits bitmap indicating monitoring symbols within a slot
uint8_t start_symbol = 0;