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Commit 9c72b29f authored by Robert Schmidt's avatar Robert Schmidt
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Merge remote-tracking branch 'origin/NR_handling_CSI_overlapping_with_PDSCH'... 

Merge remote-tracking branch 'origin/NR_handling_CSI_overlapping_with_PDSCH' into integration_2024_w27
parents fcc5be01 bf69e256
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Showing with 1049 additions and 860 deletions
common/utils/oai_asn1.h
View file @ 9c72b29f
......@@ -85,7 +85,7 @@
if (eL == TARGET->list.array[iJ]->FIELD) \
break; \
} \
if (iJ == TARGET->list.count) \
if (iJ < TARGET->list.count) \
asn_sequence_del(&TARGET->list, iJ, 1); \
else \
LOG_E(NR_MAC, "Element not present in the list, impossible to release\n"); \
......
nfapi/open-nFAPI/nfapi/public_inc/fapi_nr_ue_interface.h
View file @ 9c72b29f
......@@ -27,6 +27,7 @@
#define NFAPI_UE_MAX_NUM_CB 8
#define NFAPI_MAX_NUM_UL_PDU 255
#define NFAPI_MAX_NUM_CSI_RATEMATCH 4
/*
typedef unsigned int uint32_t;
......@@ -437,6 +438,24 @@ typedef struct {
fapi_nr_dl_config_dci_dl_pdu_rel15_t dci_config_rel15;
} fapi_nr_dl_config_dci_pdu;
typedef struct {
uint8_t subcarrier_spacing; // subcarrierSpacing [3GPP TS 38.211, sec 4.2], Value:0->4
uint8_t cyclic_prefix; // Cyclic prefix type [3GPP TS 38.211, sec 4.2], 0: Normal; 1: Extended
uint16_t start_rb; // PRB where this CSI resource starts related to common resource block #0 (CRB#0). Only multiples of 4 are allowed. [3GPP TS 38.331, sec 6.3.2 parameter CSIFrequencyOccupation], Value: 0 ->274
uint16_t nr_of_rbs; // Number of PRBs across which this CSI resource spans. Only multiples of 4 are allowed. [3GPP TS 38.331, sec 6.3.2 parameter CSI-FrequencyOccupation], Value: 24 -> 276
uint8_t csi_type; // CSI Type [3GPP TS 38.211, sec 7.4.1.5], Value: 0:TRS; 1:CSI-RS NZP; 2:CSI-RS ZP
uint8_t row; // Row entry into the CSI Resource location table. [3GPP TS 38.211, sec 7.4.1.5.3 and table 7.4.1.5.3-1], Value: 1-18
uint16_t freq_domain; // Bitmap defining the frequencyDomainAllocation [3GPP TS 38.211, sec 7.4.1.5.3] [3GPP TS 38.331 CSIResourceMapping], Value: Up to the 12 LSBs, actual size is determined by the Row parameter
uint8_t symb_l0; // The time domain location l0 and firstOFDMSymbolInTimeDomain [3GPP TS 38.211, sec 7.4.1.5.3], Value: 0->13
uint8_t symb_l1; // The time domain location l1 and firstOFDMSymbolInTimeDomain2 [3GPP TS 38.211, sec 7.4.1.5.3], Value: 2->12
uint8_t cdm_type; // The cdm-Type field [3GPP TS 38.211, sec 7.4.1.5.3 and table 7.4.1.5.3-1], Value: 0: noCDM; 1: fd-CDM2; 2: cdm4-FD2-TD2; 3: cdm8-FD2-TD4
uint8_t freq_density; // The density field, p and comb offset (for dot5). [3GPP TS 38.211, sec 7.4.1.5.3 and table 7.4.1.5.3-1], Value: 0: dot5 (even RB); 1: dot5 (odd RB); 2: one; 3: three
uint16_t scramb_id; // ScramblingID of the CSI-RS [3GPP TS 38.214, sec 5.2.2.3.1], Value: 0->1023
uint8_t power_control_offset; // Ratio of PDSCH EPRE to NZP CSI-RSEPRE [3GPP TS 38.214, sec 5.2.2.3.1], Value: 0->23 representing -8 to 15 dB in 1dB steps; 255: L1 is configured with ProfileSSS
uint8_t power_control_offset_ss; // Ratio of NZP CSI-RS EPRE to SSB/PBCH block EPRE [3GPP TS 38.214, sec 5.2.2.3.1], Values: 0: -3dB; 1: 0dB; 2: 3dB; 3: 6dB; 255: L1 is configured with ProfileSSS
uint8_t measurement_bitmap; // bit 0 RSRP, bit 1 RI, bit 2 LI, bit 3 PMI, bit 4 CQI, bit 5 i1
} fapi_nr_dl_config_csirs_pdu_rel15_t;
typedef enum{vrb_to_prb_mapping_non_interleaved = 0, vrb_to_prb_mapping_interleaved = 1} vrb_to_prb_mapping_t;
typedef struct {
......@@ -481,7 +500,7 @@ typedef struct {
// to be check the fields needed to L1 with NR_DL_UE_HARQ_t and NR_UE_DLSCH_t
// PTRS [TS38.214, sec 5.1.6.3]
/// PT-RS antenna ports [TS38.214, sec 5.1.6.3] [TS38.211, table 7.4.1.2.2-1] Bitmap occupying the 6 LSBs with: bit 0: antenna port 1000 bit 5: antenna port 1005 and for each bit 0: PTRS port not used 1: PTRS port used
uint8_t PTRSPortIndex ;
uint8_t PTRSPortIndex;
/// PT-RS time density [TS38.214, table 5.1.6.3-1] 0: 1 1: 2 2: 4
uint8_t PTRSTimeDensity;
/// PT-RS frequency density [TS38.214, table 5.1.6.3-2] 0: 2 1: 4
......@@ -499,6 +518,8 @@ typedef struct {
uint16_t pduBitmap;
uint32_t k1_feedback;
uint8_t ldpcBaseGraph;
uint8_t numCsiRsForRateMatching;
fapi_nr_dl_config_csirs_pdu_rel15_t csiRsForRateMatching[NFAPI_MAX_NUM_CSI_RATEMATCH];
} fapi_nr_dl_config_dlsch_pdu_rel15_t;
typedef struct {
......@@ -506,26 +527,6 @@ typedef struct {
fapi_nr_dl_config_dlsch_pdu_rel15_t dlsch_config_rel15;
} fapi_nr_dl_config_dlsch_pdu;
typedef struct {
uint8_t subcarrier_spacing; // subcarrierSpacing [3GPP TS 38.211, sec 4.2], Value:0->4
uint8_t cyclic_prefix; // Cyclic prefix type [3GPP TS 38.211, sec 4.2], 0: Normal; 1: Extended
uint16_t start_rb; // PRB where this CSI resource starts related to common resource block #0 (CRB#0). Only multiples of 4 are allowed. [3GPP TS 38.331, sec 6.3.2 parameter CSIFrequencyOccupation], Value: 0 ->274
uint16_t nr_of_rbs; // Number of PRBs across which this CSI resource spans. Only multiples of 4 are allowed. [3GPP TS 38.331, sec 6.3.2 parameter CSI-FrequencyOccupation], Value: 24 -> 276
uint8_t csi_type; // CSI Type [3GPP TS 38.211, sec 7.4.1.5], Value: 0:TRS; 1:CSI-RS NZP; 2:CSI-RS ZP
uint8_t row; // Row entry into the CSI Resource location table. [3GPP TS 38.211, sec 7.4.1.5.3 and table 7.4.1.5.3-1], Value: 1-18
uint16_t freq_domain; // Bitmap defining the frequencyDomainAllocation [3GPP TS 38.211, sec 7.4.1.5.3] [3GPP TS 38.331 CSIResourceMapping], Value: Up to the 12 LSBs, actual size is determined by the Row parameter
uint8_t symb_l0; // The time domain location l0 and firstOFDMSymbolInTimeDomain [3GPP TS 38.211, sec 7.4.1.5.3], Value: 0->13
uint8_t symb_l1; // The time domain location l1 and firstOFDMSymbolInTimeDomain2 [3GPP TS 38.211, sec 7.4.1.5.3], Value: 2->12
uint8_t cdm_type; // The cdm-Type field [3GPP TS 38.211, sec 7.4.1.5.3 and table 7.4.1.5.3-1], Value: 0: noCDM; 1: fd-CDM2; 2: cdm4-FD2-TD2; 3: cdm8-FD2-TD4
uint8_t freq_density; // The density field, p and comb offset (for dot5). [3GPP TS 38.211, sec 7.4.1.5.3 and table 7.4.1.5.3-1], Value: 0: dot5 (even RB); 1: dot5 (odd RB); 2: one; 3: three
uint16_t scramb_id; // ScramblingID of the CSI-RS [3GPP TS 38.214, sec 5.2.2.3.1], Value: 0->1023
uint8_t power_control_offset; // Ratio of PDSCH EPRE to NZP CSI-RSEPRE [3GPP TS 38.214, sec 5.2.2.3.1], Value: 0->23 representing -8 to 15 dB in 1dB steps; 255: L1 is configured with ProfileSSS
uint8_t power_control_offset_ss; // Ratio of NZP CSI-RS EPRE to SSB/PBCH block EPRE [3GPP TS 38.214, sec 5.2.2.3.1], Values: 0: -3dB; 1: 0dB; 2: 3dB; 3: 6dB; 255: L1 is configured with ProfileSSS
uint8_t measurement_bitmap; // bit 0 RSRP, bit 1 RI, bit 2 LI, bit 3 PMI, bit 4 CQI, bit 5 i1
} fapi_nr_dl_config_csirs_pdu_rel15_t;
typedef struct {
uint16_t bwp_size;
uint16_t bwp_start;
......
openair1/PHY/NR_REFSIG/nr_refsig.h
View file @ 9c72b29f
......@@ -61,6 +61,21 @@ int nr_pusch_dmrs_rx(PHY_VARS_gNB *gNB,
uint32_t re_offset,
uint8_t dmrs_type);
void nr_generate_csi_rs(const NR_DL_FRAME_PARMS *frame_parms,
int32_t **dataF,
const int16_t amp,
nr_csi_info_t *nr_csi_info,
const nfapi_nr_dl_tti_csi_rs_pdu_rel15_t *csi_params,
const int slot,
uint8_t *N_cdm_groups,
uint8_t *CDM_group_size,
uint8_t *k_prime,
uint8_t *l_prime,
uint8_t *N_ports,
uint8_t *j_cdm,
uint8_t *k_overline,
uint8_t *l_overline);
void init_scrambling_luts(void);
void nr_generate_modulation_table(void);
......
openair1/PHY/NR_TRANSPORT/nr_csi_rs.c
View file @ 9c72b29f
......@@ -19,23 +19,21 @@
* contact@openairinterface.org
*/
#include "PHY/NR_TRANSPORT/nr_transport_proto.h"
#include "PHY/MODULATION/nr_modulation.h"
#include "PHY/NR_REFSIG/nr_refsig.h"
//#define NR_CSIRS_DEBUG
void nr_init_csi_rs(const NR_DL_FRAME_PARMS *fp, uint32_t ***csi_rs, uint32_t Nid) {
uint32_t x1 = 0, x2 = 0;
uint8_t reset;
int csi_dmrs_init_length = ((fp->N_RB_DL<<4)>>5)+1;
for (uint8_t slot=0; slot<fp->slots_per_frame; slot++) {
for (uint8_t symb=0; symb<fp->symbols_per_slot; symb++) {
reset = 1;
x2 = ((1<<10) * (fp->symbols_per_slot*slot+symb+1) * ((Nid<<1)+1) + (Nid));
for (uint32_t n=0; n<csi_dmrs_init_length; n++) {
void nr_init_csi_rs(const NR_DL_FRAME_PARMS *fp, uint32_t ***csi_rs, uint32_t Nid)
{
uint32_t x1 = 0;
int csi_dmrs_init_length = ((fp->N_RB_DL << 4) >> 5) + 1;
for (int slot = 0; slot < fp->slots_per_frame; slot++) {
for (int symb = 0; symb < fp->symbols_per_slot; symb++) {
uint8_t reset = 1;
uint32_t x2 = ((1 << 10) * (fp->symbols_per_slot * slot + symb + 1) * ((Nid << 1) + 1) + Nid);
for (uint32_t n = 0; n < csi_dmrs_init_length; n++) {
csi_rs[slot][symb][n] = lte_gold_generic(&x1, &x2, reset);
reset = 0;
}
......@@ -56,8 +54,8 @@ void nr_generate_csi_rs(const NR_DL_FRAME_PARMS *frame_parms,
uint8_t *N_ports,
uint8_t *j_cdm,
uint8_t *k_overline,
uint8_t *l_overline) {
uint8_t *l_overline)
{
#ifdef NR_CSIRS_DEBUG
LOG_I(NR_PHY, "csi_params->subcarrier_spacing = %i\n", csi_params->subcarrier_spacing);
LOG_I(NR_PHY, "csi_params->cyclic_prefix = %i\n", csi_params->cyclic_prefix);
......@@ -75,19 +73,12 @@ void nr_generate_csi_rs(const NR_DL_FRAME_PARMS *frame_parms,
LOG_I(NR_PHY, "csi_params->power_control_offset_ss = %i\n", csi_params->power_control_offset_ss);
#endif
int dataF_offset = slot*frame_parms->samples_per_slot_wCP;
int dataF_offset = slot * frame_parms->samples_per_slot_wCP;
uint32_t **nr_gold_csi_rs = nr_csi_info->nr_gold_csi_rs[slot];
//*8(max allocation per RB)*2(QPSK))
int csi_rs_length = frame_parms->N_RB_DL<<4;
int csi_rs_length = frame_parms->N_RB_DL << 4;
int16_t mod_csi[frame_parms->symbols_per_slot][csi_rs_length>>1] __attribute__((aligned(16)));
uint16_t b = csi_params->freq_domain;
uint16_t n, p, k, l, mprime, na, kpn;
uint8_t size, ports, kprime, lprime, i, gs;
uint8_t j[16], k_n[6], koverline[16], loverline[16];
int found = 0;
int wf, wt, lp, kp, symb;
uint8_t fi = 0;
double rho, alpha;
uint32_t beta = amp;
nr_csi_info->csi_rs_generated_signal_bits = log2_approx(amp);
......@@ -99,469 +90,479 @@ void nr_generate_csi_rs(const NR_DL_FRAME_PARMS *frame_parms,
nr_init_csi_rs(frame_parms, nr_csi_info->nr_gold_csi_rs, csi_params->scramb_id);
}
switch (csi_params->row) {
int size, ports, kprime, lprime;
int j[16], k_n[6], koverline[16], loverline[16];
int found = 0;
int fi = 0;
// implementation of table 7.4.1.5.3-1 of 38.211
// lprime and kprime are the max value of l' and k'
case 1:
ports = 1;
kprime = 0;
lprime = 0;
size = 3;
while (found < 1) {
if ((b >> fi) & 0x01) {
k_n[found] = fi;
found++;
}
else
switch (csi_params->row) {
case 1:
ports = 1;
kprime = 0;
lprime = 0;
size = 3;
while (found < 1) {
if ((b >> fi) & 0x01) {
k_n[found] = fi;
found++;
}
else
fi++;
}
for (int i = 0; i < size; i++) {
j[i] = 0;
loverline[i] = csi_params->symb_l0;
koverline[i] = k_n[0] + (i<<2);
}
break;
case 2:
ports = 1;
kprime = 0;
lprime = 0;
size = 1;
while (found < 1) {
if ((b >> fi) & 0x01) {
k_n[found] = fi;
found++;
}
else
fi++;
}
for (int i = 0; i < size; i++) {
j[i] = 0;
loverline[i] = csi_params->symb_l0;
koverline[i] = k_n[0];
}
break;
case 3:
ports = 2;
kprime = 1;
lprime = 0;
size = 1;
while (found < 1) {
if ((b >> fi) & 0x01) {
k_n[found] = fi << 1;
found++;
}
else
fi++;
}
for (int i = 0; i < size; i++) {
j[i] = 0;
loverline[i] = csi_params->symb_l0;
koverline[i] = k_n[0];
}
break;
case 4:
ports = 4;
kprime = 1;
lprime = 0;
size = 2;
while (found < 1) {
if ((b >> fi) & 0x01) {
k_n[found] = fi << 2;
found++;
}
else
fi++;
}
for (int i = 0; i < size; i++) {
j[i] = i;
loverline[i] = csi_params->symb_l0;
koverline[i] = k_n[0] + (i << 1);
}
break;
case 5:
ports = 4;
kprime = 1;
lprime = 0;
size = 2;
while (found < 1) {
if ((b >> fi) & 0x01) {
k_n[found] = fi << 1;
found++;
}
else
fi++;
}
for (int i = 0; i < size; i++) {
j[i] = i;
loverline[i] = csi_params->symb_l0 + i;
koverline[i] = k_n[0];
}
break;
case 6:
ports = 8;
kprime = 1;
lprime = 0;
size = 4;
while (found < 4) {
if ((b >> fi) & 0x01) {
k_n[found] = fi << 1;
found++;
}
fi++;
}
for (i=0; i<size; i++) {
j[i] = 0;
loverline[i] = csi_params->symb_l0;
koverline[i] = k_n[0] + (i<<2);
}
break;
case 2:
ports = 1;
kprime = 0;
lprime = 0;
size = 1;
while (found < 1) {
if ((b >> fi) & 0x01) {
k_n[found] = fi;
found++;
}
else
}
for (int i = 0; i < size; i++) {
j[i] = i;
loverline[i] = csi_params->symb_l0;
koverline[i] = k_n[i];
}
break;
case 7:
ports = 8;
kprime = 1;
lprime = 0;
size = 4;
while (found < 2) {
if ((b >> fi) & 0x01) {
k_n[found] = fi << 1;
found++;
}
fi++;
}
for (i=0; i<size; i++) {
j[i] = 0;
loverline[i] = csi_params->symb_l0;
koverline[i] = k_n[0];
}
break;
case 3:
ports = 2;
kprime = 1;
lprime = 0;
size = 1;
while (found < 1) {
if ((b >> fi) & 0x01) {
k_n[found] = fi<<1;
found++;
}
else
}
for (int i = 0; i < size; i++) {
j[i] = i;
loverline[i] = csi_params->symb_l0 + (i >> 1);
koverline[i] = k_n[i % 2];
}
break;
case 8:
ports = 8;
kprime = 1;
lprime = 1;
size = 2;
while (found < 2) {
if ((b >> fi) & 0x01) {
k_n[found] = fi << 1;
found++;
}
fi++;
}
for (i=0; i<size; i++) {
j[i] = 0;
loverline[i] = csi_params->symb_l0;
koverline[i] = k_n[0];
}
break;
case 4:
ports = 4;
kprime = 1;
lprime = 0;
size = 2;
while (found < 1) {
if ((b >> fi) & 0x01) {
k_n[found] = fi<<2;
found++;
}
else
}
for (int i = 0; i < size; i++) {
j[i] = i;
loverline[i] = csi_params->symb_l0;
koverline[i] = k_n[i];
}
break;
case 9:
ports = 12;
kprime = 1;
lprime = 0;
size = 6;
while (found < 6) {
if ((b >> fi) & 0x01) {
k_n[found] = fi << 1;
found++;
}
fi++;
}
for (i=0; i<size; i++) {
j[i] = i;
loverline[i] = csi_params->symb_l0;
koverline[i] = k_n[0] + (i<<1);
}
break;
case 5:
ports = 4;
kprime = 1;
lprime = 0;
size = 2;
while (found < 1) {
if ((b >> fi) & 0x01) {
k_n[found] = fi<<1;
found++;
}
else
}
for (int i = 0; i < size; i++) {
j[i] = i;
loverline[i] = csi_params->symb_l0;
koverline[i] = k_n[i];
}
break;
case 10:
ports = 12;
kprime = 1;
lprime = 1;
size = 3;
while (found < 3) {
if ((b >> fi) & 0x01) {
k_n[found] = fi << 1;
found++;
}
fi++;
}
for (i=0; i<size; i++) {
j[i] = i;
loverline[i] = csi_params->symb_l0 + i;
koverline[i] = k_n[0];
}
break;
case 6:
ports = 8;
kprime = 1;
lprime = 0;
size = 4;
while (found < 4) {
if ((b >> fi) & 0x01) {
k_n[found] = fi<<1;
found++;
}
fi++;
}
for (i=0; i<size; i++) {
j[i] = i;
loverline[i] = csi_params->symb_l0;
koverline[i] = k_n[i];
}
break;
case 7:
ports = 8;
kprime = 1;
lprime = 0;
size = 4;
while (found < 2) {
if ((b >> fi) & 0x01) {
k_n[found] = fi<<1;
found++;
}
fi++;
}
for (i=0; i<size; i++) {
j[i] = i;
loverline[i] = csi_params->symb_l0 + (i>>1);
koverline[i] = k_n[i%2];
}
break;
case 8:
ports = 8;
kprime = 1;
lprime = 1;
size = 2;
while (found < 2) {
if ((b >> fi) & 0x01) {
k_n[found] = fi<<1;
found++;
}
fi++;
}
for (i=0; i<size; i++) {
j[i] = i;
loverline[i] = csi_params->symb_l0;
koverline[i] = k_n[i];
}
break;
case 9:
ports = 12;
kprime = 1;
lprime = 0;
size = 6;
while (found < 6) {
if ((b >> fi) & 0x01) {
k_n[found] = fi<<1;
found++;
}
fi++;
}
for (i=0; i<size; i++) {
j[i] = i;
loverline[i] = csi_params->symb_l0;
koverline[i] = k_n[i];
}
break;
case 10:
ports = 12;
kprime = 1;
lprime = 1;
size = 3;
while (found < 3) {
if ((b >> fi) & 0x01) {
k_n[found] = fi<<1;
found++;
}
fi++;
}
for (i=0; i<size; i++) {
j[i] = i;
loverline[i] = csi_params->symb_l0;
koverline[i] = k_n[i];
}
break;
case 11:
ports = 16;
kprime = 1;
lprime = 0;
size = 8;
while (found < 4) {
if ((b >> fi) & 0x01) {
k_n[found] = fi<<1;
found++;
}
fi++;
}
for (i=0; i<size; i++) {
j[i] = i;
loverline[i] = csi_params->symb_l0 + (i>>2);
koverline[i] = k_n[i%4];
}
break;
case 12:
ports = 16;
kprime = 1;
lprime = 1;
size = 4;
while (found < 4) {
if ((b >> fi) & 0x01) {
k_n[found] = fi<<1;
found++;
}
fi++;
}
for (i=0; i<size; i++) {
j[i] = i;
loverline[i] = csi_params->symb_l0;
koverline[i] = k_n[i];
}
break;
case 13:
ports = 24;
kprime = 1;
lprime = 0;
size = 12;
while (found < 3) {
if ((b >> fi) & 0x01) {
k_n[found] = fi<<1;
found++;
}
fi++;
}
for (i=0; i<size; i++) {
j[i] = i;
if (i<6)
loverline[i] = csi_params->symb_l0 + i/3;
else
loverline[i] = csi_params->symb_l1 + i/9;
koverline[i] = k_n[i%3];
}
break;
case 14:
ports = 24;
kprime = 1;
lprime = 1;
size = 6;
while (found < 3) {
if ((b >> fi) & 0x01) {
k_n[found] = fi<<1;
found++;
}
fi++;
}
for (i=0; i<size; i++) {
j[i] = i;
if (i<3)
}
for (int i = 0; i < size; i++) {
j[i] = i;
loverline[i] = csi_params->symb_l0;
else
loverline[i] = csi_params->symb_l1;
koverline[i] = k_n[i%3];
}
break;
case 15:
ports = 24;
kprime = 1;
lprime = 3;
size = 3;
while (found < 3) {
if ((b >> fi) & 0x01) {
k_n[found] = fi<<1;
found++;
}
fi++;
}
for (i=0; i<size; i++) {
j[i] = i;
loverline[i] = csi_params->symb_l0;
koverline[i] = k_n[i];
}
break;
case 16:
ports = 32;
kprime = 1;
lprime = 0;
size = 16;
while (found < 4) {
if ((b >> fi) & 0x01) {
k_n[found] = fi<<1;
found++;
}
fi++;
}
for (i=0; i<size; i++) {
j[i] = i;
if (i<8)
loverline[i] = csi_params->symb_l0 + (i>>2);
else
loverline[i] = csi_params->symb_l1 + (i/12);
koverline[i] = k_n[i%4];
}
break;
case 17:
ports = 32;
kprime = 1;
lprime = 1;
size = 8;
while (found < 4) {
if ((b >> fi) & 0x01) {
k_n[found] = fi<<1;
found++;
}
fi++;
}
for (i=0; i<size; i++) {
j[i] = i;
if (i<4)
koverline[i] = k_n[i];
}
break;
case 11:
ports = 16;
kprime = 1;
lprime = 0;
size = 8;
while (found < 4) {
if ((b >> fi) & 0x01) {
k_n[found] = fi << 1;
found++;
}
fi++;
}
for (int i = 0; i < size; i++) {
j[i] = i;
loverline[i] = csi_params->symb_l0 + (i >> 2);
koverline[i] = k_n[i % 4];
}
break;
case 12:
ports = 16;
kprime = 1;
lprime = 1;
size = 4;
while (found < 4) {
if ((b >> fi) & 0x01) {
k_n[found] = fi << 1;
found++;
}
fi++;
}
for (int i = 0; i < size; i++) {
j[i] = i;
loverline[i] = csi_params->symb_l0;
else
loverline[i] = csi_params->symb_l1;
koverline[i] = k_n[i%4];
}
break;
case 18:
ports = 32;
kprime = 1;
lprime = 3;
size = 4;
while (found < 4) {
if ((b >> fi) & 0x01) {
k_n[found] = fi<<1;
found++;
}
fi++;
}
for (i=0; i<size; i++) {
j[i] = i;
loverline[i] = csi_params->symb_l0;
koverline[i] = k_n[i];
}
break;
default:
AssertFatal(0==1, "Row %d is not valid for CSI Table 7.4.1.5.3-1\n", csi_params->row);
koverline[i] = k_n[i];
}
break;
case 13:
ports = 24;
kprime = 1;
lprime = 0;
size = 12;
while (found < 3) {
if ((b >> fi) & 0x01) {
k_n[found] = fi << 1;
found++;
}
fi++;
}
for (int i = 0; i < size; i++) {
j[i] = i;
if (i < 6)
loverline[i] = csi_params->symb_l0 + i / 3;
else
loverline[i] = csi_params->symb_l1 + i / 9;
koverline[i] = k_n[i % 3];
}
break;
case 14:
ports = 24;
kprime = 1;
lprime = 1;
size = 6;
while (found < 3) {
if ((b >> fi) & 0x01) {
k_n[found] = fi << 1;
found++;
}
fi++;
}
for (int i = 0; i < size; i++) {
j[i] = i;
if (i < 3)
loverline[i] = csi_params->symb_l0;
else
loverline[i] = csi_params->symb_l1;
koverline[i] = k_n[i%3];
}
break;
case 15:
ports = 24;
kprime = 1;
lprime = 3;
size = 3;
while (found < 3) {
if ((b >> fi) & 0x01) {
k_n[found] = fi << 1;
found++;
}
fi++;
}
for (int i = 0; i < size; i++) {
j[i] = i;
loverline[i] = csi_params->symb_l0;
koverline[i] = k_n[i];
}
break;
case 16:
ports = 32;
kprime = 1;
lprime = 0;
size = 16;
while (found < 4) {
if ((b >> fi) & 0x01) {
k_n[found] = fi << 1;
found++;
}
fi++;
}
for (int i = 0; i < size; i++) {
j[i] = i;
if (i < 8)
loverline[i] = csi_params->symb_l0 + (i>>2);
else
loverline[i] = csi_params->symb_l1 + (i/12);
koverline[i] = k_n[i % 4];
}
break;
case 17:
ports = 32;
kprime = 1;
lprime = 1;
size = 8;
while (found < 4) {
if ((b >> fi) & 0x01) {
k_n[found] = fi << 1;
found++;
}
fi++;
}
for (int i = 0; i < size; i++) {
j[i] = i;
if (i < 4)
loverline[i] = csi_params->symb_l0;
else
loverline[i] = csi_params->symb_l1;
koverline[i] = k_n[i % 4];
}
break;
case 18:
ports = 32;
kprime = 1;
lprime = 3;
size = 4;
while (found < 4) {
if ((b >> fi) & 0x01) {
k_n[found] = fi << 1;
found++;
}
fi++;
}
for (int i = 0; i < size; i++) {
j[i] = i;
loverline[i] = csi_params->symb_l0;
koverline[i] = k_n[i];
}
break;
default:
AssertFatal(false, "Row %d is not valid for CSI Table 7.4.1.5.3-1\n", csi_params->row);
}
#ifdef NR_CSIRS_DEBUG
printf(" row %d, n. of ports %d\n k' ",csi_params->row,ports);
for (kp=0; kp<=kprime; kp++)
for (int kp = 0; kp <= kprime; kp++)
printf("%d, ",kp);
printf("l' ");
for (lp=0; lp<=lprime; lp++)
printf("%d, ",lp);
for (int lp = 0; lp <= lprime; lp++)
printf("%d, ", lp);
printf("\n k overline ");
for (i=0; i<size; i++)
for (int i = 0; i < size; i++)
printf("%d, ",koverline[i]);
printf("\n l overline ");
for (i=0; i<size; i++)
for (int i = 0; i < size; i++)
printf("%d, ",loverline[i]);
printf("\n");
#endif
// setting the frequency density from its index
double rho = 0;
switch (csi_params->freq_density) {
case 0:
rho = 0.5;
break;
case 1:
rho = 0.5;
break;
case 2:
rho = 1;
break;
case 3:
rho = 3;
break;
default:
AssertFatal(0==1, "Invalid frequency density index for CSI\n");
case 0:
rho = 0.5;
break;
case 1:
rho = 0.5;
break;
case 2:
rho = 1;
break;
case 3:
rho = 3;
break;
default:
AssertFatal(false, "Invalid frequency density index for CSI\n");
}
double alpha = 0;
if (ports == 1)
alpha = rho;
else
alpha = 2*rho;
alpha = 2 * rho;
#ifdef NR_CSIRS_DEBUG
printf(" rho %f, alpha %f\n",rho,alpha);
printf(" rho %f, alpha %f\n", rho, alpha);
#endif
// CDM group size from CDM type index
int gs = 0;
switch (csi_params->cdm_type) {
case 0:
gs = 1;
break;
case 1:
gs = 2;
break;
case 2:
gs = 4;
break;
case 3:
gs = 8;
break;
default:
AssertFatal(0==1, "Invalid cdm type index for CSI\n");
case 0:
gs = 1;
break;
case 1:
gs = 2;
break;
case 2:
gs = 4;
break;
case 3:
gs = 8;
break;
default:
AssertFatal(false, "Invalid cdm type index for CSI\n");
}
uint16_t csi_length;
int csi_length;
if (rho < 1) {
if (csi_params->freq_density == 0) {
csi_length = (((csi_params->start_rb + csi_params->nr_of_rbs)>>1)<<kprime)<<1;
csi_length = (((csi_params->start_rb + csi_params->nr_of_rbs) >> 1) << kprime) << 1;
} else {
csi_length = ((((csi_params->start_rb + csi_params->nr_of_rbs)>>1)<<kprime)+1)<<1;
csi_length = ((((csi_params->start_rb + csi_params->nr_of_rbs) >> 1) << kprime) + 1) << 1;
}
} else {
csi_length = (((uint16_t) rho*(csi_params->start_rb + csi_params->nr_of_rbs))<<kprime)<<1;
csi_length = (((uint16_t) rho * (csi_params->start_rb + csi_params->nr_of_rbs)) << kprime) << 1;
}
#ifdef NR_CSIRS_DEBUG
printf(" start rb %d, nr of rbs %d, csi length %d\n", csi_params->start_rb, csi_params->nr_of_rbs, csi_length);
printf(" start rb %d, nr of rbs %d, csi length %d\n", csi_params->start_rb, csi_params->nr_of_rbs, csi_length);
#endif
if (N_cdm_groups)
*N_cdm_groups = size;
if (CDM_group_size)
*CDM_group_size = gs;
if (k_prime)
*k_prime = kprime;
if (l_prime)
*l_prime = lprime;
if (N_ports)
*N_ports = ports;
if (j_cdm)
memcpy(j_cdm, j, 16 * sizeof(uint8_t));
if (k_overline)
memcpy(k_overline, koverline, 16 * sizeof(uint8_t));
if (l_overline)
memcpy(l_overline, loverline, 16 * sizeof(uint8_t));
// TRS
if (csi_params->csi_type == 0) {
// ???
#ifdef NR_CSIRS_DEBUG
if (N_ports)
LOG_I(NR_PHY, "nr_csi_info->N_ports = %d\n", *N_ports);
if (N_cdm_groups)
LOG_I(NR_PHY, "nr_csi_info->N_cdm_groups = %d\n", *N_cdm_groups);
if (CDM_group_size)
LOG_I(NR_PHY, "nr_csi_info->CDM_group_size = %d\n", *CDM_group_size);
if (k_prime)
LOG_I(NR_PHY, "nr_csi_info->kprime = %d\n", *k_prime);
if (l_prime)
LOG_I(NR_PHY, "nr_csi_info->lprime = %d\n", *l_prime);
if (N_cdm_groups) {
for(int ji = 0; ji < *N_cdm_groups; ji++) {
LOG_I(NR_PHY, "(CDM group %d) j = %d, koverline = %d, loverline = %d\n", ji, j[ji], koverline[ji], loverline[ji]);
}
}
#endif
// NZP CSI RS
if (csi_params->csi_type == 1) {
// assuming amp is the amplitude of SSB channels
switch (csi_params->power_control_offset_ss) {
if (csi_params->csi_type == 2) // ZP-CSI
return;
// assuming amp is the amplitude of SSB channels
switch (csi_params->power_control_offset_ss) {
case 0:
beta = (amp*ONE_OVER_SQRT2_Q15)>>15;
break;
......@@ -572,73 +573,68 @@ void nr_generate_csi_rs(const NR_DL_FRAME_PARMS *frame_parms,
beta = (amp*ONE_OVER_SQRT2_Q15)>>14;
break;
case 3:
beta = amp<<1;
beta = amp << 1;
break;
default:
AssertFatal(0==1, "Invalid SS power offset density index for CSI\n");
}
AssertFatal(false, "Invalid SS power offset density index for CSI\n");
}
for (lp=0; lp<=lprime; lp++){
symb = csi_params->symb_l0;
nr_modulation(nr_gold_csi_rs[symb+lp], csi_length, DMRS_MOD_ORDER, mod_csi[symb+lp]);
if ((csi_params->row == 5) || (csi_params->row == 7) || (csi_params->row == 11) || (csi_params->row == 13) || (csi_params->row == 16))
nr_modulation(nr_gold_csi_rs[symb+1], csi_length, DMRS_MOD_ORDER, mod_csi[symb+1]);
if ((csi_params->row == 14) || (csi_params->row == 13) || (csi_params->row == 16) || (csi_params->row == 17)) {
symb = csi_params->symb_l1;
nr_modulation(nr_gold_csi_rs[symb+lp], csi_length, DMRS_MOD_ORDER, mod_csi[symb+lp]);
if ((csi_params->row == 13) || (csi_params->row == 16))
nr_modulation(nr_gold_csi_rs[symb+1], csi_length, DMRS_MOD_ORDER, mod_csi[symb+1]);
}
for (int lp = 0; lp <= lprime; lp++) {
int symb = csi_params->symb_l0;
nr_modulation(nr_gold_csi_rs[symb + lp], csi_length, DMRS_MOD_ORDER, mod_csi[symb + lp]);
if ((csi_params->row == 5) || (csi_params->row == 7) || (csi_params->row == 11) || (csi_params->row == 13) || (csi_params->row == 16))
nr_modulation(nr_gold_csi_rs[symb + 1], csi_length, DMRS_MOD_ORDER, mod_csi[symb + 1]);
if ((csi_params->row == 14) || (csi_params->row == 13) || (csi_params->row == 16) || (csi_params->row == 17)) {
symb = csi_params->symb_l1;
nr_modulation(nr_gold_csi_rs[symb + lp], csi_length, DMRS_MOD_ORDER, mod_csi[symb + lp]);
if ((csi_params->row == 13) || (csi_params->row == 16))
nr_modulation(nr_gold_csi_rs[symb + 1], csi_length, DMRS_MOD_ORDER, mod_csi[symb + 1]);
}
}
uint16_t start_sc = frame_parms->first_carrier_offset;
// resource mapping according to 38.211 7.4.1.5.3
for (n=csi_params->start_rb; n<(csi_params->start_rb+csi_params->nr_of_rbs); n++) {
if ( (csi_params->freq_density > 1) || (csi_params->freq_density == (n%2))) { // for freq density 0.5 checks if even or odd RB
for (int ji=0; ji<size; ji++) { // loop over CDM groups
for (int s=0 ; s<gs; s++) { // loop over each CDM group size
p = s+j[ji]*gs; // port index
for (kp=0; kp<=kprime; kp++) { // loop over frequency resource elements within a group
k = (start_sc+(n*NR_NB_SC_PER_RB)+koverline[ji]+kp)%(frame_parms->ofdm_symbol_size); // frequency index of current resource element
for (int n = csi_params->start_rb; n < (csi_params->start_rb + csi_params->nr_of_rbs); n++) {
if ((csi_params->freq_density > 1) || (csi_params->freq_density == (n % 2))) { // for freq density 0.5 checks if even or odd RB
for (int ji = 0; ji < size; ji++) { // loop over CDM groups
for (int s = 0 ; s < gs; s++) { // loop over each CDM group size
int p = s + j[ji] * gs; // port index
for (int kp = 0; kp <= kprime; kp++) { // loop over frequency resource elements within a group
// frequency index of current resource element
int k = (start_sc + (n * NR_NB_SC_PER_RB) + koverline[ji] + kp) % (frame_parms->ofdm_symbol_size);
// wf according to tables 7.4.5.3-2 to 7.4.5.3-5
if (kp == 0)
wf = 1;
else
wf = -2*(s%2)+1;
na = n*alpha;
kpn = (rho*koverline[ji])/NR_NB_SC_PER_RB;
mprime = na + kp + kpn; // sequence index
for (lp=0; lp<=lprime; lp++) { // loop over frequency resource elements within a group
l = lp + loverline[ji];
// wt according to tables 7.4.5.3-2 to 7.4.5.3-5
int wf = kp == 0 ? 1 : (-2 * (s % 2) + 1);
int na = n * alpha;
int kpn = (rho * koverline[ji]) / NR_NB_SC_PER_RB;
int mprime = na + kp + kpn; // sequence index
for (int lp = 0; lp <= lprime; lp++) { // loop over frequency resource elements within a group
int l = lp + loverline[ji];
// wt according to tables 7.4.5.3-2 to 7.4.5.3-5
int wt;
if (s < 2)
wt = 1;
else if (s < 4)
wt = -2*(lp%2)+1;
wt = -2*(lp % 2) + 1;
else if (s < 6)
wt = -2*(lp/2)+1;
wt = -2 * (lp / 2) + 1;
else {
if ((lp == 0) || (lp == 3))
wt = 1;
else
wt = -1;
}
// ZP CSI RS
if (csi_params->csi_type == 2) {
((int16_t*)dataF[p])[((l*frame_parms->ofdm_symbol_size + k)<<1)+(2*dataF_offset)] = 0;
((int16_t*)dataF[p])[((l*frame_parms->ofdm_symbol_size + k)<<1)+1+(2*dataF_offset)] = 0;
}
else {
((int16_t*)dataF[p])[((l*frame_parms->ofdm_symbol_size + k)<<1)+(2*dataF_offset)] = (beta*wt*wf*mod_csi[l][mprime<<1]) >> 15;
((int16_t*)dataF[p])[((l*frame_parms->ofdm_symbol_size + k)<<1)+1+(2*dataF_offset)] = (beta*wt*wf*mod_csi[l][(mprime<<1) + 1]) >> 15;
}
int index = ((l * frame_parms->ofdm_symbol_size + k) << 1) + (2 * dataF_offset);
((int16_t*)dataF[p])[index] = (beta * wt * wf * mod_csi[l][mprime << 1]) >> 15;
((int16_t*)dataF[p])[index + 1] = (beta * wt * wf * mod_csi[l][(mprime << 1) + 1]) >> 15;
#ifdef NR_CSIRS_DEBUG
printf("l,k (%d,%d) seq. index %d \t port %d \t (%d,%d)\n",l,k,mprime,p+3000,
((int16_t*)dataF[p])[((l*frame_parms->ofdm_symbol_size + k)<<1)+(2*dataF_offset)],
((int16_t*)dataF[p])[((l*frame_parms->ofdm_symbol_size + k)<<1)+1+(2*dataF_offset)]);
printf("l,k (%d,%d) seq. index %d \t port %d \t (%d,%d)\n",
l,
k,
mprime,
p + 3000,
((int16_t*)dataF[p])[index],
((int16_t*)dataF[p])[index + 1]);
#endif
}
}
......@@ -646,25 +642,4 @@ void nr_generate_csi_rs(const NR_DL_FRAME_PARMS *frame_parms,
}
}
}
if (N_cdm_groups) *N_cdm_groups = size;
if (CDM_group_size) *CDM_group_size = gs;
if (k_prime) *k_prime = kprime;
if (l_prime) *l_prime = lprime;
if (N_ports) *N_ports = ports;
if (j_cdm) memcpy(j_cdm,j,16*sizeof(uint8_t));
if (k_overline) memcpy(k_overline,koverline,16*sizeof(uint8_t));
if (l_overline) memcpy(l_overline,loverline,16*sizeof(uint8_t));
#ifdef NR_CSIRS_DEBUG
if (N_ports) LOG_I(NR_PHY, "nr_csi_info->N_ports = %d\n", *N_ports);
if (N_cdm_groups) LOG_I(NR_PHY, "nr_csi_info->N_cdm_groups = %d\n", *N_cdm_groups);
if (CDM_group_size) LOG_I(NR_PHY, "nr_csi_info->CDM_group_size = %d\n", *CDM_group_size);
if (k_prime) LOG_I(NR_PHY, "nr_csi_info->kprime = %d\n", *k_prime);
if (l_prime) LOG_I(NR_PHY, "nr_csi_info->lprime = %d\n", *l_prime);
if (N_cdm_groups) {
for(int ji=0; ji<*N_cdm_groups; ji++) {
LOG_I(NR_PHY, "(CDM group %d) j = %d, koverline = %d, loverline = %d\n", ji, j[ji], koverline[ji], loverline[ji]);
}
}
#endif
}
openair1/PHY/NR_TRANSPORT/nr_transport_proto.h
View file @ 9c72b29f
......@@ -310,21 +310,6 @@ void init_prach_ru_list(RU_t *ru);
void free_nr_ru_prach_entry(RU_t *ru, int prach_id);
uint8_t get_nr_prach_duration(uint8_t prach_format);
void nr_generate_csi_rs(const NR_DL_FRAME_PARMS *frame_parms,
int32_t **dataF,
const int16_t amp,
nr_csi_info_t *nr_csi_info,
const nfapi_nr_dl_tti_csi_rs_pdu_rel15_t *csi_params,
const int slot,
uint8_t *N_cdm_groups,
uint8_t *CDM_group_size,
uint8_t *k_prime,
uint8_t *l_prime,
uint8_t *N_ports,
uint8_t *j_cdm,
uint8_t *k_overline,
uint8_t *l_overline);
void free_nr_prach_entry(PHY_VARS_gNB *gNB, int prach_id);
void nr_decode_pucch1(c16_t **rxdataF,
......
openair1/PHY/NR_UE_ESTIMATION/nr_dl_channel_estimation.c
View file @ 9c72b29f
......@@ -28,7 +28,6 @@
#include "PHY/NR_REFSIG/ptrs_nr.h"
#include "PHY/NR_REFSIG/nr_mod_table.h"
#include "PHY/NR_TRANSPORT/nr_sch_dmrs.h"
#include "PHY/NR_TRANSPORT/nr_transport_proto.h"
#include "nr_phy_common.h"
#include "filt16a_32.h"
#include "T.h"
......
openair1/PHY/NR_UE_TRANSPORT/csi_rx.c
View file @ 9c72b29f
......@@ -36,8 +36,8 @@
#include "executables/nr-softmodem-common.h"
#include "nr_transport_proto_ue.h"
#include "PHY/phy_extern_nr_ue.h"
#include "PHY/NR_REFSIG/nr_refsig.h"
#include "common/utils/nr/nr_common.h"
#include "PHY/NR_TRANSPORT/nr_transport_proto.h"
#include "PHY/NR_UE_ESTIMATION/filt16a_32.h"
// Additional memory allocation, because of applying the filter and the memory offset to ensure memory alignment
......@@ -191,13 +191,13 @@ int nr_get_csi_rs_signal(const PHY_VARS_NR_UE *ue,
int32_t csi_rs_received_signal[][ue->frame_parms.samples_per_slot_wCP],
uint32_t *rsrp,
int *rsrp_dBm,
c16_t rxdataF[][ue->frame_parms.samples_per_slot_wCP]) {
const NR_DL_FRAME_PARMS *frame_parms = &ue->frame_parms;
c16_t rxdataF[][ue->frame_parms.samples_per_slot_wCP])
{
const NR_DL_FRAME_PARMS *fp = &ue->frame_parms;
uint16_t meas_count = 0;
uint32_t rsrp_sum = 0;
for (int ant_rx = 0; ant_rx < frame_parms->nb_antennas_rx; ant_rx++) {
for (int ant_rx = 0; ant_rx < fp->nb_antennas_rx; ant_rx++) {
for (int rb = csirs_config_pdu->start_rb; rb < (csirs_config_pdu->start_rb+csirs_config_pdu->nr_of_rbs); rb++) {
......@@ -212,12 +212,12 @@ int nr_get_csi_rs_signal(const PHY_VARS_NR_UE *ue,
// loop over frequency resource elements within a group
for (int kp = 0; kp <= k_prime; kp++) {
uint16_t k = (frame_parms->first_carrier_offset + (rb*NR_NB_SC_PER_RB)+k_overline[cdm_id] + kp) % frame_parms->ofdm_symbol_size;
uint16_t k = (fp->first_carrier_offset + (rb * NR_NB_SC_PER_RB) + k_overline[cdm_id] + kp) % fp->ofdm_symbol_size;
// loop over time resource elements within a group
for (int lp = 0; lp <= l_prime; lp++) {
uint16_t symb = lp + l_overline[cdm_id];
uint64_t symbol_offset = symb*frame_parms->ofdm_symbol_size;
uint64_t symbol_offset = symb * fp->ofdm_symbol_size;
c16_t *rx_signal = &rxdataF[ant_rx][symbol_offset];
c16_t *rx_csi_rs_signal = (c16_t*)&csi_rs_received_signal[ant_rx][symbol_offset];
rx_csi_rs_signal[k].r = rx_signal[k].r;
......@@ -229,10 +229,11 @@ int nr_get_csi_rs_signal(const PHY_VARS_NR_UE *ue,
meas_count++;
#ifdef NR_CSIRS_DEBUG
int dataF_offset = proc->nr_slot_rx*ue->frame_parms.samples_per_slot_wCP;
int dataF_offset = proc->nr_slot_rx * fp->samples_per_slot_wCP;
uint16_t port_tx = s+j_cdm[cdm_id]*CDM_group_size;
c16_t *tx_csi_rs_signal = (c16_t*)&nr_csi_info->csi_rs_generated_signal[port_tx][symbol_offset+dataF_offset];
LOG_I(NR_PHY, "l,k (%2d,%4d) |\tport_tx %d (%4d,%4d)\tant_rx %d (%4d,%4d)\n",
c16_t *tx_csi_rs_signal = (c16_t*)&nr_csi_info->csi_rs_generated_signal[port_tx][symbol_offset + dataF_offset];
LOG_I(NR_PHY,
"l,k (%2d,%4d) |\tport_tx %d (%4d,%4d)\tant_rx %d (%4d,%4d)\n",
symb,
k,
port_tx+3000,
......@@ -728,12 +729,12 @@ int nr_csi_rs_cqi_estimation(const uint32_t precoded_sinr,
return 0;
}
int nr_csi_im_power_estimation(const PHY_VARS_NR_UE *ue,
const UE_nr_rxtx_proc_t *proc,
const fapi_nr_dl_config_csiim_pdu_rel15_t *csiim_config_pdu,
uint32_t *interference_plus_noise_power,
c16_t rxdataF[][ue->frame_parms.samples_per_slot_wCP]) {
static void nr_csi_im_power_estimation(const PHY_VARS_NR_UE *ue,
const UE_nr_rxtx_proc_t *proc,
const fapi_nr_dl_config_csiim_pdu_rel15_t *csiim_config_pdu,
uint32_t *interference_plus_noise_power,
c16_t rxdataF[][ue->frame_parms.samples_per_slot_wCP])
{
const NR_DL_FRAME_PARMS *frame_parms = &ue->frame_parms;
const uint16_t end_rb = csiim_config_pdu->start_rb + csiim_config_pdu->nr_of_rbs > csiim_config_pdu->bwp_size ?
......@@ -772,7 +773,7 @@ int nr_csi_im_power_estimation(const PHY_VARS_NR_UE *ue,
uint16_t sc0_offset = (frame_parms->first_carrier_offset + rb*NR_NB_SC_PER_RB) % frame_parms->ofdm_symbol_size;
for (int sc_idx = 0; sc_idx<4; sc_idx++) {
for (int sc_idx = 0; sc_idx < 4; sc_idx++) {
uint16_t sc = sc0_offset + csiim_config_pdu->k_csiim[sc_idx];
if (sc >= frame_parms->ofdm_symbol_size) {
......@@ -785,34 +786,31 @@ int nr_csi_im_power_estimation(const PHY_VARS_NR_UE *ue,
sum_re += rx_signal[sc].r;
sum_im += rx_signal[sc].i;
sum2_re += rx_signal[sc].r*rx_signal[sc].r;
sum2_im += rx_signal[sc].i*rx_signal[sc].i;
sum2_re += rx_signal[sc].r * rx_signal[sc].r;
sum2_im += rx_signal[sc].i * rx_signal[sc].i;
count++;
}
}
}
}
int32_t power_re = sum2_re/count - (sum_re/count)*(sum_re/count);
int32_t power_im = sum2_im/count - (sum_im/count)*(sum_im/count);
int32_t power_re = sum2_re / count - (sum_re / count) * (sum_re / count);
int32_t power_im = sum2_im / count - (sum_im / count) * (sum_im / count);
*interference_plus_noise_power = power_re + power_im;
#ifdef NR_CSIIM_DEBUG
LOG_I(NR_PHY, "interference_plus_noise_power based on CSI-IM = %i\n", *interference_plus_noise_power);
#endif
return 0;
}
int nr_ue_csi_im_procedures(PHY_VARS_NR_UE *ue,
const UE_nr_rxtx_proc_t *proc,
c16_t rxdataF[][ue->frame_parms.samples_per_slot_wCP])
void nr_ue_csi_im_procedures(PHY_VARS_NR_UE *ue,
const UE_nr_rxtx_proc_t *proc,
c16_t rxdataF[][ue->frame_parms.samples_per_slot_wCP])
{
int gNB_id = proc->gNB_id;
if(!ue->csiim_vars[gNB_id]->active) {
return -1;
}
if(!ue->csiim_vars[gNB_id]->active)
LOG_E(NR_PHY, "Scheduling reception of CSI-IM that is not active\n");
const fapi_nr_dl_config_csiim_pdu_rel15_t *csiim_config_pdu = (fapi_nr_dl_config_csiim_pdu_rel15_t*)&ue->csiim_vars[gNB_id]->csiim_config_pdu;
......@@ -828,8 +826,6 @@ int nr_ue_csi_im_procedures(PHY_VARS_NR_UE *ue,
nr_csi_im_power_estimation(ue, proc, csiim_config_pdu, &ue->nr_csi_info->interference_plus_noise_power, rxdataF);
ue->nr_csi_info->csi_im_meas_computed = true;
return 0;
}
static nfapi_nr_dl_tti_csi_rs_pdu_rel15_t convert_csirs_pdu(const fapi_nr_dl_config_csirs_pdu_rel15_t *csirs_config_pdu)
......
openair1/PHY/NR_UE_TRANSPORT/nr_dlsch_demodulation.c
View file @ 9c72b29f
......@@ -30,7 +30,6 @@
*/
#include "PHY/defs_nr_UE.h"
#include "PHY/phy_extern.h"
#include "PHY/NR_TRANSPORT/nr_transport_proto.h"
#include "nr_transport_proto_ue.h"
#include "PHY/sse_intrin.h"
#include "T.h"
......@@ -159,6 +158,7 @@ static void nr_dlsch_extract_rbs(uint32_t rxdataF_sz,
uint8_t Nl,
NR_DL_FRAME_PARMS *frame_parms,
uint16_t dlDmrsSymbPos,
uint32_t csi_res_bitmap,
int chest_time_type);
static void nr_dlsch_channel_level_median(uint32_t rx_size_symbol,
......@@ -239,6 +239,82 @@ void nr_dlsch_detection_mrc(uint32_t rx_size_symbol,
unsigned short nb_rb,
int length);
static bool overlap_csi_symbol(fapi_nr_dl_config_csirs_pdu_rel15_t *csi_pdu, int symbol)
{
int num_l0 [18] = {1, 1, 1, 1, 2, 1, 2, 2, 1, 2, 2, 2, 2, 2, 4, 2, 2, 4};
for (int s = 0; s < num_l0[csi_pdu->row - 1]; s++) {
if (symbol == csi_pdu->symb_l0 + s)
return true;
}
// check also l1 if relevant
if (csi_pdu->row == 13 || csi_pdu->row == 14 || csi_pdu->row == 16 || csi_pdu->row == 17) {
for (int s = 0; s < 2; s++) { // two consecutive symbols including l1
if (symbol == csi_pdu->symb_l1 + s)
return true;
}
}
return false;
}
static uint32_t build_csi_overlap_bitmap(fapi_nr_dl_config_dlsch_pdu_rel15_t *dlsch_config, int symbol)
{
// LS 16 bits for even RBs, MS 16 bits for odd RBs
uint32_t csi_res_bitmap = 0;
int num_k[18] = {1, 1, 1, 1, 1, 4, 2, 2, 6, 3, 4, 4, 3, 3, 3, 4, 4, 4};
for (int i = 0; i < dlsch_config->numCsiRsForRateMatching; i++) {
fapi_nr_dl_config_csirs_pdu_rel15_t *csi_pdu = &dlsch_config->csiRsForRateMatching[i];
if (!overlap_csi_symbol(csi_pdu, symbol))
continue;
int num_kp = 1;
int mult = 1;
int k0_step = 0;
int num_k0 = 1;
switch (csi_pdu->row) {
case 1:
k0_step = 4;
num_k0 = 3;
break;
case 2:
break;
case 4:
num_kp = 2;
mult = 4;
k0_step = 2;
num_k0 = 2;
break;
default:
num_kp = 2;
mult = 2;
}
int found = 0;
int bit = 0;
uint32_t temp_res_map = 0;
while (found < num_k[csi_pdu->row - 1]) {
if ((csi_pdu->freq_domain >> bit) & 0x01) {
for (int k0 = 0; k0 < num_k0; k0++) {
for (int kp = 0; kp < num_kp; kp++) {
int re = (bit * mult) + (k0 * k0_step) + kp;
temp_res_map |= (1 << re);
}
}
found++;
}
bit++;
AssertFatal(bit < 13,
"Couldn't find %d positive bits in bitmap %d for CSI freq. domain\n",
num_k[csi_pdu->row - 1],
csi_pdu->freq_domain);
}
if (csi_pdu->freq_density < 2)
csi_res_bitmap |= (temp_res_map << (16 * csi_pdu->freq_density));
else
csi_res_bitmap |= (temp_res_map + (temp_res_map << 16));
}
return csi_res_bitmap;
}
/* Main Function */
int nr_rx_pdsch(PHY_VARS_NR_UE *ue,
const UE_nr_rxtx_proc_t *proc,
......@@ -360,10 +436,8 @@ int nr_rx_pdsch(PHY_VARS_NR_UE *ue,
return(-1);
}
if(symbol > ue->frame_parms.symbols_per_slot>>1)
{
slot = 1;
}
if(symbol > ue->frame_parms.symbols_per_slot >> 1)
slot = 1;
uint8_t pilots = (dlsch_config->dlDmrsSymbPos >> symbol) & 1;
uint8_t config_type = dlsch_config->dmrsConfigType;
......@@ -380,6 +454,10 @@ int nr_rx_pdsch(PHY_VARS_NR_UE *ue,
__attribute__((aligned(32))) c16_t rxdataF_ext[nbRx][rx_size_symbol];
memset(rxdataF_ext, 0, sizeof(rxdataF_ext));
uint32_t csi_res_bitmap = build_csi_overlap_bitmap(dlsch_config, symbol);
LOG_D(PHY, "%d.%d symbol %d csi overlap bitmap %d\n", frame, nr_slot_rx, symbol, csi_res_bitmap);
nr_dlsch_extract_rbs(ue->frame_parms.samples_per_slot_wCP,
rxdataF,
rx_size_symbol,
......@@ -396,6 +474,7 @@ int nr_rx_pdsch(PHY_VARS_NR_UE *ue,
nl,
frame_parms,
dlsch_config->dlDmrsSymbPos,
csi_res_bitmap,
ue->chest_time);
if (meas_enabled) {
stop_meas(&meas);
......@@ -576,9 +655,22 @@ int nr_rx_pdsch(PHY_VARS_NR_UE *ue,
/* Check for PTRS bitmap and process it respectively */
if((pduBitmap & 0x1) && (dlsch[0].rnti_type == TYPE_C_RNTI_)) {
nr_pdsch_ptrs_processing(
ue, nbRx, ptrs_phase_per_slot, ptrs_re_per_slot, rx_size_symbol, rxdataF_comp, frame_parms, dlsch0_harq, dlsch1_harq, gNB_id, nr_slot_rx, symbol, (nb_rb_pdsch * 12), dlsch[0].rnti, dlsch);
dl_valid_re[symbol-1] -= ptrs_re_per_slot[0][symbol];
nr_pdsch_ptrs_processing(ue,
nbRx,
ptrs_phase_per_slot,
ptrs_re_per_slot,
rx_size_symbol,
rxdataF_comp,
frame_parms,
dlsch0_harq,
dlsch1_harq,
gNB_id,
nr_slot_rx,
symbol,
(nb_rb_pdsch * 12),
dlsch[0].rnti,
dlsch);
dl_valid_re[symbol - 1] -= ptrs_re_per_slot[0][symbol];
}
/* at last symbol in a slot calculate LLR's for whole slot */
if(symbol == (startSymbIdx + nbSymb -1)) {
......@@ -1099,15 +1191,30 @@ static void nr_dlsch_extract_rbs(uint32_t rxdataF_sz,
uint8_t Nl,
NR_DL_FRAME_PARMS *frame_parms,
uint16_t dlDmrsSymbPos,
uint32_t csi_res_bitmap,
int chest_time_type)
{
if (config_type == NFAPI_NR_DMRS_TYPE1) {
AssertFatal(n_dmrs_cdm_groups == 1 || n_dmrs_cdm_groups == 2,
"n_dmrs_cdm_groups %d is illegal\n",n_dmrs_cdm_groups);
} else {
if (config_type == NFAPI_NR_DMRS_TYPE1)
AssertFatal(n_dmrs_cdm_groups == 1 || n_dmrs_cdm_groups == 2, "n_dmrs_cdm_groups %d is illegal\n",n_dmrs_cdm_groups);
else
AssertFatal(n_dmrs_cdm_groups == 1 || n_dmrs_cdm_groups == 2 || n_dmrs_cdm_groups == 3,
"n_dmrs_cdm_groups %d is illegal\n",n_dmrs_cdm_groups);
}
uint32_t dmrs_rb_bitmap = 0xfff; // all REs taken by dmrs
if (config_type == NFAPI_NR_DMRS_TYPE1 && n_dmrs_cdm_groups == 1)
dmrs_rb_bitmap = 0x555; // alternating REs starting from 0
if (config_type == NFAPI_NR_DMRS_TYPE2 && n_dmrs_cdm_groups == 1)
dmrs_rb_bitmap = 0xc3; // REs 0,1 and 6,7
if (config_type == NFAPI_NR_DMRS_TYPE2 && n_dmrs_cdm_groups == 2)
dmrs_rb_bitmap = 0x3cf; // REs 0,1,2,3 and 6,7,8,9
// csi_res_bitmap LS 16 bits for even RBs, MS 16 bits for odd RBs
uint32_t csi_res_even = csi_res_bitmap & 0xfff;
uint32_t csi_res_odd = (csi_res_bitmap >> 16) & 0xfff;
AssertFatal((dmrs_rb_bitmap & csi_res_even) == 0, "DMRS RE overlapping with CSI RE, it shouldn't happen\n");
AssertFatal((dmrs_rb_bitmap & csi_res_odd) == 0, "DMRS RE overlapping with CSI RE, it shouldn't happen\n");
uint32_t dmrs_csi_overlap_even = csi_res_even + dmrs_rb_bitmap;
uint32_t dmrs_csi_overlap_odd = csi_res_odd + dmrs_rb_bitmap;
const unsigned short start_re = (frame_parms->first_carrier_offset + start_rb * NR_NB_SC_PER_RB) % frame_parms->ofdm_symbol_size;
int8_t validDmrsEst;
......@@ -1126,7 +1233,7 @@ static void nr_dlsch_extract_rbs(uint32_t rxdataF_sz,
int32_t *dl_ch0 = &dl_ch_estimates[(l * frame_parms->nb_antennas_rx) + aarx][validDmrsEst * frame_parms->ofdm_symbol_size];
int32_t *dl_ch0_ext = dl_ch_estimates_ext[(l * frame_parms->nb_antennas_rx) + aarx];
if (pilots == 0) { //data symbol only
if (pilots == 0 && csi_res_bitmap == 0) { // data symbol only
if (l == 0) {
if (start_re + nb_rb_pdsch * NR_NB_SC_PER_RB <= frame_parms->ofdm_symbol_size) {
memcpy(rxF_ext, &rxF[start_re], nb_rb_pdsch * NR_NB_SC_PER_RB * sizeof(int32_t));
......@@ -1139,65 +1246,24 @@ static void nr_dlsch_extract_rbs(uint32_t rxdataF_sz,
}
memcpy(dl_ch0_ext, dl_ch0, nb_rb_pdsch * NR_NB_SC_PER_RB * sizeof(int32_t));
}
else if (config_type == NFAPI_NR_DMRS_TYPE1){
if (n_dmrs_cdm_groups == 1) { //data is multiplexed
if (l == 0) {
unsigned short k = start_re;
for (unsigned short j = 0; j < 6*nb_rb_pdsch; j += 3) {
rxF_ext[j] = rxF[k+1];
rxF_ext[j+1] = rxF[k+3];
rxF_ext[j+2] = rxF[k+5];
k += 6;
if (k >= frame_parms->ofdm_symbol_size)
k -= frame_parms->ofdm_symbol_size;
else {
int j = 0;
int k = start_re;
for (int rb = 0; rb < nb_rb_pdsch; rb++) {
uint32_t overlap_map = rb % 2 ? dmrs_csi_overlap_odd : dmrs_csi_overlap_even;
for (int re = 0; re < 12; re++) {
if (((overlap_map >> re) & 0x01) == 0) {
// DATA RE
if (l == 0)
rxF_ext[j] = rxF[k];
dl_ch0_ext[j] = dl_ch0[re];
j++;
}
k++;
if (k >= frame_parms->ofdm_symbol_size)
k -= frame_parms->ofdm_symbol_size;
}
for (unsigned short j = 0; j < 6*nb_rb_pdsch; j += 3) {
dl_ch0_ext[j] = dl_ch0[1];
dl_ch0_ext[j+1] = dl_ch0[3];
dl_ch0_ext[j+2] = dl_ch0[5];
dl_ch0 += 6;
}
}
}
else {//NFAPI_NR_DMRS_TYPE2
if (n_dmrs_cdm_groups == 1) { //data is multiplexed
if (l == 0) {
unsigned short k = start_re;
for (unsigned short j = 0; j < 8*nb_rb_pdsch; j += 4) {
rxF_ext[j] = rxF[k+2];
rxF_ext[j+1] = rxF[k+3];
rxF_ext[j+2] = rxF[k+4];
rxF_ext[j+3] = rxF[k+5];
k += 6;
if (k >= frame_parms->ofdm_symbol_size)
k -= frame_parms->ofdm_symbol_size;
}
}
for (unsigned short j = 0; j < 8*nb_rb_pdsch; j += 4) {
dl_ch0_ext[j] = dl_ch0[2];
dl_ch0_ext[j+1] = dl_ch0[3];
dl_ch0_ext[j+2] = dl_ch0[4];
dl_ch0_ext[j+3] = dl_ch0[5];
dl_ch0 += 6;
}
}
else if (n_dmrs_cdm_groups == 2) { //data is multiplexed
if (l == 0) {
unsigned short k = start_re;
for (unsigned short j = 0; j < 4*nb_rb_pdsch; j += 2) {
rxF_ext[j] = rxF[k+4];
rxF_ext[j+1] = rxF[k+5];
k += 6;
if (k >= frame_parms->ofdm_symbol_size)
k -= frame_parms->ofdm_symbol_size;
}
}
for (unsigned short j = 0; j < 4*nb_rb_pdsch; j += 2) {
dl_ch0_ext[j] = dl_ch0[4];
dl_ch0_ext[j+1] = dl_ch0[5];
dl_ch0 += 6;
}
dl_ch0 += 12;
}
}
}
......
openair1/SCHED_NR_UE/defs.h
View file @ 9c72b29f
......@@ -149,9 +149,9 @@ int nr_ue_pdcch_procedures(PHY_VARS_NR_UE *ue,
int n_ss,
c16_t rxdataF[][ue->frame_parms.samples_per_slot_wCP]);
int nr_ue_csi_im_procedures(PHY_VARS_NR_UE *ue,
const UE_nr_rxtx_proc_t *proc,
c16_t rxdataF[][ue->frame_parms.samples_per_slot_wCP]);
void nr_ue_csi_im_procedures(PHY_VARS_NR_UE *ue,
const UE_nr_rxtx_proc_t *proc,
c16_t rxdataF[][ue->frame_parms.samples_per_slot_wCP]);
void nr_ue_csi_rs_procedures(PHY_VARS_NR_UE *ue,
const UE_nr_rxtx_proc_t *proc,
......
openair1/SCHED_NR_UE/phy_procedures_nr_ue.c
View file @ 9c72b29f
......@@ -637,6 +637,54 @@ static void send_dl_done_to_tx_thread(notifiedFIFO_t *nf, int rx_slot)
}
}
static uint32_t compute_csi_rm_unav_res(fapi_nr_dl_config_dlsch_pdu_rel15_t *dlsch_config)
{
uint32_t unav_res = 0;
for (int i = 0; i < dlsch_config->numCsiRsForRateMatching; i++) {
fapi_nr_dl_config_csirs_pdu_rel15_t *csi_pdu = &dlsch_config->csiRsForRateMatching[i];
// check overlapping symbols
int num_overlap_symb = 0;
// num of consecutive csi symbols from l0 included
int num_l0 [18] = {1, 1, 1, 1, 2, 1, 2, 2, 1, 2, 2, 2, 2, 2, 4, 2, 2, 4};
int num_symb = num_l0[csi_pdu->row - 1];
for (int s = 0; s < num_symb; s++) {
int l0_symb = csi_pdu->symb_l0 + s;
if (l0_symb >= dlsch_config->start_symbol && l0_symb <= dlsch_config->start_symbol + dlsch_config->number_symbols)
num_overlap_symb++;
}
// check also l1 if relevant
if (csi_pdu->row == 13 || csi_pdu->row == 14 || csi_pdu->row == 16 || csi_pdu->row == 17) {
num_symb += 2;
for (int s = 0; s < 2; s++) { // two consecutive symbols including l1
int l1_symb = csi_pdu->symb_l1 + s;
if (l1_symb >= dlsch_config->start_symbol && l1_symb <= dlsch_config->start_symbol + dlsch_config->number_symbols)
num_overlap_symb++;
}
}
if (num_overlap_symb == 0)
continue;
// check number overlapping prbs
// assuming CSI is spanning the whole BW
AssertFatal(dlsch_config->BWPSize <= csi_pdu->nr_of_rbs, "Assuming CSI-RS is spanning the whold BWP this shouldn't happen\n");
int dlsch_start = dlsch_config->start_rb + dlsch_config->BWPStart;
int num_overlapping_prbs = dlsch_config->number_rbs;
if (num_overlapping_prbs < 1)
continue; // no overlapping prbs
if (csi_pdu->freq_density < 2) { // 0.5 density
num_overlapping_prbs /= 2;
// odd number of prbs and the start PRB is even/odd when CSI is in even/odd PRBs
if ((num_overlapping_prbs % 2) && ((dlsch_start % 2) == csi_pdu->freq_density))
num_overlapping_prbs += 1;
}
// density is number or res per port per rb (over all symbols)
int ports [18] = {1, 1, 2, 4, 4, 8, 8, 8, 12, 12, 16, 16, 24, 24, 24, 32, 32, 32};
int num_csi_res_per_prb = csi_pdu->freq_density == 3 ? 3 : 1;
num_csi_res_per_prb *= ports[csi_pdu->row - 1];
unav_res += num_overlapping_prbs * num_csi_res_per_prb * num_overlap_symb / num_symb;
}
return unav_res;
}
static bool nr_ue_dlsch_procedures(PHY_VARS_NR_UE *ue,
const UE_nr_rxtx_proc_t *proc,
NR_UE_DLSCH_t dlsch[2],
......@@ -771,10 +819,10 @@ static bool nr_ue_dlsch_procedures(PHY_VARS_NR_UE *ue,
int ptrsSymbPerSlot = get_ptrs_symbols_in_slot(ptrsSymbPos, dlsch_config->start_symbol, dlsch_config->number_symbols);
unav_res = n_ptrs * ptrsSymbPerSlot;
}
int G1 =
nr_get_G(dlsch_config->number_rbs, nb_symb_sch, nb_re_dmrs, dmrs_len, unav_res, dlsch_config->qamModOrder, dlsch[1].Nl);
unav_res += compute_csi_rm_unav_res(dlsch_config);
G = nr_get_G(dlsch_config->number_rbs, nb_symb_sch, nb_re_dmrs, dmrs_len, unav_res, dlsch_config->qamModOrder, dlsch[1].Nl);
start_meas(&ue->dlsch_unscrambling_stats);
nr_dlsch_unscrambling(llr[1], G1, 0, dlsch[1].dlsch_config.dlDataScramblingId, dlsch[1].rnti);
nr_dlsch_unscrambling(llr[1], G, 0, dlsch[1].dlsch_config.dlDataScramblingId, dlsch[1].rnti);
stop_meas(&ue->dlsch_unscrambling_stats);
start_meas(&ue->dlsch_decoding_stats);
......@@ -797,12 +845,14 @@ static bool nr_ue_dlsch_procedures(PHY_VARS_NR_UE *ue,
stop_meas(&ue->dlsch_decoding_stats);
if (cpumeas(CPUMEAS_GETSTATE)) {
LOG_D(PHY, " --> Unscrambling for CW1 %5.3f\n",
(ue->dlsch_unscrambling_stats.p_time)/(cpuf*1000.0));
LOG_D(PHY, "AbsSubframe %d.%d --> ldpc Decoding for CW1 %5.3f\n",
frame_rx%1024, nr_slot_rx,(ue->dlsch_decoding_stats.p_time)/(cpuf*1000.0));
}
LOG_D(PHY, "harq_pid: %d, TBS expected dlsch1: %d \n", harq_pid, dlsch[1].dlsch_config.TBS);
LOG_D(PHY, " --> Unscrambling for CW1 %5.3f\n", (ue->dlsch_unscrambling_stats.p_time) / (cpuf * 1000.0));
LOG_D(PHY,
"AbsSubframe %d.%d --> ldpc Decoding for CW1 %5.3f\n",
frame_rx % 1024,
nr_slot_rx,
(ue->dlsch_decoding_stats.p_time) / (cpuf * 1000.0));
}
LOG_D(PHY, "harq_pid: %d, TBS expected dlsch1: %d \n", harq_pid, dlsch[1].dlsch_config.TBS);
}
// send to mac
......@@ -1004,24 +1054,50 @@ void pdsch_processing(PHY_VARS_NR_UE *ue, const UE_nr_rxtx_proc_t *proc, nr_phy_
start_meas(&meas);
// do procedures for C-RNTI
bool slot_fep_map[14] = {0};
const uint32_t rxdataF_sz = ue->frame_parms.samples_per_slot_wCP;
__attribute__ ((aligned(32))) c16_t rxdataF[ue->frame_parms.nb_antennas_rx][rxdataF_sz];
// do procedures for CSI-IM
if ((ue->csiim_vars[gNB_id]) && (ue->csiim_vars[gNB_id]->active == 1)) {
for(int symb_idx = 0; symb_idx < 4; symb_idx++) {
int symb = ue->csiim_vars[gNB_id]->csiim_config_pdu.l_csiim[symb_idx];
if (!slot_fep_map[symb]) {
nr_slot_fep(ue, &ue->frame_parms, proc, symb, rxdataF, link_type_dl);
slot_fep_map[symb] = true;
}
}
nr_ue_csi_im_procedures(ue, proc, rxdataF);
ue->csiim_vars[gNB_id]->active = 0;
}
// do procedures for CSI-RS
if ((ue->csirs_vars[gNB_id]) && (ue->csirs_vars[gNB_id]->active == 1)) {
for(int symb = 0; symb < NR_SYMBOLS_PER_SLOT; symb++) {
if(is_csi_rs_in_symbol(ue->csirs_vars[gNB_id]->csirs_config_pdu, symb)) {
if (!slot_fep_map[symb]) {
nr_slot_fep(ue, &ue->frame_parms, proc, symb, rxdataF, link_type_dl);
slot_fep_map[symb] = true;
}
}
}
nr_ue_csi_rs_procedures(ue, proc, rxdataF);
ue->csirs_vars[gNB_id]->active = 0;
}
if (dlsch[0].active) {
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_UE_SLOT_FEP_PDSCH, VCD_FUNCTION_IN);
fapi_nr_dl_config_dlsch_pdu_rel15_t *dlsch_config = &dlsch[0].dlsch_config;
uint16_t nb_symb_sch = dlsch_config->number_symbols;
uint16_t start_symb_sch = dlsch_config->start_symbol;
LOG_D(PHY," ------ --> PDSCH ChannelComp/LLR Frame.slot %d.%d ------ \n", frame_rx%1024, nr_slot_rx);
//to update from pdsch config
LOG_D(PHY," ------ --> PDSCH ChannelComp/LLR Frame.slot %d.%d ------ \n", frame_rx % 1024, nr_slot_rx);
for (uint16_t m=start_symb_sch;m<(nb_symb_sch+start_symb_sch) ; m++){
nr_slot_fep(ue,
&ue->frame_parms,
proc,
m, // to be updated from higher layer
rxdataF,
link_type_dl);
for (int m = start_symb_sch; m < (nb_symb_sch + start_symb_sch) ; m++) {
if (!slot_fep_map[m]) {
nr_slot_fep(ue, &ue->frame_parms, proc, m, rxdataF, link_type_dl);
slot_fep_map[m] = true;
}
}
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_UE_SLOT_FEP_PDSCH, VCD_FUNCTION_OUT);
......@@ -1045,6 +1121,7 @@ void pdsch_processing(PHY_VARS_NR_UE *ue, const UE_nr_rxtx_proc_t *proc, nr_phy_
int ptrsSymbPerSlot = get_ptrs_symbols_in_slot(ptrsSymbPos, dlsch_config->start_symbol, dlsch_config->number_symbols);
unav_res = n_ptrs * ptrsSymbPerSlot;
}
unav_res += compute_csi_rm_unav_res(dlsch_config);
int G = nr_get_G(dlsch_config->number_rbs,
dlsch_config->number_symbols,
nb_re_dmrs,
......@@ -1097,36 +1174,6 @@ void pdsch_processing(PHY_VARS_NR_UE *ue, const UE_nr_rxtx_proc_t *proc, nr_phy_
free(llr[i]);
}
// do procedures for CSI-IM
if ((ue->csiim_vars[gNB_id]) && (ue->csiim_vars[gNB_id]->active == 1)) {
int l_csiim[4] = {-1, -1, -1, -1};
for(int symb_idx = 0; symb_idx < 4; symb_idx++) {
bool nr_slot_fep_done = false;
for (int symb_idx2 = 0; symb_idx2 < symb_idx; symb_idx2++) {
if (l_csiim[symb_idx2] == ue->csiim_vars[gNB_id]->csiim_config_pdu.l_csiim[symb_idx]) {
nr_slot_fep_done = true;
}
}
l_csiim[symb_idx] = ue->csiim_vars[gNB_id]->csiim_config_pdu.l_csiim[symb_idx];
if(nr_slot_fep_done == false) {
nr_slot_fep(ue, &ue->frame_parms, proc, ue->csiim_vars[gNB_id]->csiim_config_pdu.l_csiim[symb_idx], rxdataF, link_type_dl);
}
}
nr_ue_csi_im_procedures(ue, proc, rxdataF);
ue->csiim_vars[gNB_id]->active = 0;
}
// do procedures for CSI-RS
if ((ue->csirs_vars[gNB_id]) && (ue->csirs_vars[gNB_id]->active == 1)) {
for(int symb = 0; symb < NR_SYMBOLS_PER_SLOT; symb++) {
if(is_csi_rs_in_symbol(ue->csirs_vars[gNB_id]->csirs_config_pdu,symb)) {
nr_slot_fep(ue, &ue->frame_parms, proc, symb, rxdataF, link_type_dl);
}
}
nr_ue_csi_rs_procedures(ue, proc, rxdataF);
ue->csirs_vars[gNB_id]->active = 0;
}
start_meas(&meas);
if (nr_slot_rx==9) {
......
openair2/LAYER2/NR_MAC_UE/config_ue.c
View file @ 9c72b29f
......@@ -965,6 +965,73 @@ static void setup_puschconfig(NR_PUSCH_Config_t *source, NR_PUSCH_Config_t *targ
}
}
static void configure_csi_resourcemapping(NR_CSI_RS_ResourceMapping_t *target, NR_CSI_RS_ResourceMapping_t *source)
{
if (target->frequencyDomainAllocation.present != source->frequencyDomainAllocation.present) {
UPDATE_NP_IE(target->frequencyDomainAllocation,
source->frequencyDomainAllocation,
struct NR_CSI_RS_ResourceMapping__frequencyDomainAllocation);
}
else {
switch (source->frequencyDomainAllocation.present) {
case NR_CSI_RS_ResourceMapping__frequencyDomainAllocation_PR_row1:
target->frequencyDomainAllocation.choice.row1.size = source->frequencyDomainAllocation.choice.row1.size;
target->frequencyDomainAllocation.choice.row1.bits_unused = source->frequencyDomainAllocation.choice.row1.bits_unused;
if (!target->frequencyDomainAllocation.choice.row1.buf)
target->frequencyDomainAllocation.choice.row1.buf =
calloc(target->frequencyDomainAllocation.choice.row1.size, sizeof(uint8_t));
for (int i = 0; i < target->frequencyDomainAllocation.choice.row1.size; i++)
target->frequencyDomainAllocation.choice.row1.buf[i] = source->frequencyDomainAllocation.choice.row1.buf[i];
break;
case NR_CSI_RS_ResourceMapping__frequencyDomainAllocation_PR_row2:
target->frequencyDomainAllocation.choice.row2.size = source->frequencyDomainAllocation.choice.row2.size;
target->frequencyDomainAllocation.choice.row2.bits_unused = source->frequencyDomainAllocation.choice.row2.bits_unused;
if (!target->frequencyDomainAllocation.choice.row2.buf)
target->frequencyDomainAllocation.choice.row2.buf =
calloc(target->frequencyDomainAllocation.choice.row2.size, sizeof(uint8_t));
for (int i = 0; i < target->frequencyDomainAllocation.choice.row2.size; i++)
target->frequencyDomainAllocation.choice.row2.buf[i] = source->frequencyDomainAllocation.choice.row2.buf[i];
break;
case NR_CSI_RS_ResourceMapping__frequencyDomainAllocation_PR_row4:
target->frequencyDomainAllocation.choice.row4.size = source->frequencyDomainAllocation.choice.row4.size;
target->frequencyDomainAllocation.choice.row4.bits_unused = source->frequencyDomainAllocation.choice.row4.bits_unused;
if (!target->frequencyDomainAllocation.choice.row4.buf)
target->frequencyDomainAllocation.choice.row4.buf =
calloc(target->frequencyDomainAllocation.choice.row4.size, sizeof(uint8_t));
for (int i = 0; i < target->frequencyDomainAllocation.choice.row4.size; i++)
target->frequencyDomainAllocation.choice.row4.buf[i] = source->frequencyDomainAllocation.choice.row4.buf[i];
break;
case NR_CSI_RS_ResourceMapping__frequencyDomainAllocation_PR_other:
target->frequencyDomainAllocation.choice.other.size = source->frequencyDomainAllocation.choice.other.size;
target->frequencyDomainAllocation.choice.other.bits_unused = source->frequencyDomainAllocation.choice.other.bits_unused;
if (!target->frequencyDomainAllocation.choice.other.buf)
target->frequencyDomainAllocation.choice.other.buf =
calloc(target->frequencyDomainAllocation.choice.other.size, sizeof(uint8_t));
for (int i = 0; i < target->frequencyDomainAllocation.choice.other.size; i++)
target->frequencyDomainAllocation.choice.other.buf[i] = source->frequencyDomainAllocation.choice.other.buf[i];
break;
default:
AssertFatal(false, "Invalid entry\n");
}
}
target->nrofPorts = source->nrofPorts;
target->firstOFDMSymbolInTimeDomain = source->firstOFDMSymbolInTimeDomain;
UPDATE_IE(target->firstOFDMSymbolInTimeDomain2, source->firstOFDMSymbolInTimeDomain2, long);
target->cdm_Type = source->cdm_Type;
target->density = source->density;
target->freqBand = source->freqBand;
}
static void config_zp_CSI_RS_Resource(NR_ZP_CSI_RS_Resource_t *target, NR_ZP_CSI_RS_Resource_t *source)
{
target->zp_CSI_RS_ResourceId = source->zp_CSI_RS_ResourceId;
configure_csi_resourcemapping(&target->resourceMapping, &source->resourceMapping);
if (source->periodicityAndOffset)
UPDATE_IE(target->periodicityAndOffset,
source->periodicityAndOffset,
NR_CSI_ResourcePeriodicityAndOffset_t);
}
static void setup_pdschconfig(NR_PDSCH_Config_t *source, NR_PDSCH_Config_t *target)
{
UPDATE_IE(target->dataScramblingIdentityPDSCH, source->dataScramblingIdentityPDSCH, long);
......@@ -1022,7 +1089,25 @@ static void setup_pdschconfig(NR_PDSCH_Config_t *source, NR_PDSCH_Config_t *targ
UPDATE_IE(target->mcs_Table, source->mcs_Table, long);
UPDATE_IE(target->maxNrofCodeWordsScheduledByDCI, source->maxNrofCodeWordsScheduledByDCI, long);
UPDATE_NP_IE(target->prb_BundlingType, source->prb_BundlingType, struct NR_PDSCH_Config__prb_BundlingType);
AssertFatal(source->zp_CSI_RS_ResourceToAddModList == NULL, "Not handled\n");
if (source->zp_CSI_RS_ResourceToAddModList) {
if (!target->zp_CSI_RS_ResourceToAddModList)
target->zp_CSI_RS_ResourceToAddModList = calloc(1, sizeof(*target->zp_CSI_RS_ResourceToAddModList));
ADDMOD_IE_FROMLIST_WFUNCTION(source->zp_CSI_RS_ResourceToAddModList,
target->zp_CSI_RS_ResourceToAddModList,
zp_CSI_RS_ResourceId,
NR_ZP_CSI_RS_Resource_t,
config_zp_CSI_RS_Resource);
}
if (source->zp_CSI_RS_ResourceToReleaseList) {
RELEASE_IE_FROMLIST(source->zp_CSI_RS_ResourceToReleaseList,
target->zp_CSI_RS_ResourceToAddModList,
zp_CSI_RS_ResourceId);
}
if (source->p_ZP_CSI_RS_ResourceSet)
HANDLE_SETUPRELEASE_IE(target->p_ZP_CSI_RS_ResourceSet,
source->p_ZP_CSI_RS_ResourceSet,
NR_ZP_CSI_RS_ResourceSet_t,
asn_DEF_NR_ZP_CSI_RS_ResourceSet);
AssertFatal(source->aperiodic_ZP_CSI_RS_ResourceSetsToAddModList == NULL, "Not handled\n");
AssertFatal(source->sp_ZP_CSI_RS_ResourceSetsToAddModList == NULL, "Not handled\n");
}
......@@ -1750,63 +1835,6 @@ static void configure_maccellgroup(NR_UE_MAC_INST_t *mac, const NR_MAC_CellGroup
}
}
static void configure_csi_resourcemapping(NR_CSI_RS_ResourceMapping_t *target, NR_CSI_RS_ResourceMapping_t *source)
{
if (target->frequencyDomainAllocation.present != source->frequencyDomainAllocation.present) {
UPDATE_NP_IE(target->frequencyDomainAllocation,
source->frequencyDomainAllocation,
struct NR_CSI_RS_ResourceMapping__frequencyDomainAllocation);
}
else {
switch (source->frequencyDomainAllocation.present) {
case NR_CSI_RS_ResourceMapping__frequencyDomainAllocation_PR_row1:
target->frequencyDomainAllocation.choice.row1.size = source->frequencyDomainAllocation.choice.row1.size;
target->frequencyDomainAllocation.choice.row1.bits_unused = source->frequencyDomainAllocation.choice.row1.bits_unused;
if (!target->frequencyDomainAllocation.choice.row1.buf)
target->frequencyDomainAllocation.choice.row1.buf =
calloc(target->frequencyDomainAllocation.choice.row1.size, sizeof(uint8_t));
for (int i = 0; i < target->frequencyDomainAllocation.choice.row1.size; i++)
target->frequencyDomainAllocation.choice.row1.buf[i] = source->frequencyDomainAllocation.choice.row1.buf[i];
break;
case NR_CSI_RS_ResourceMapping__frequencyDomainAllocation_PR_row2:
target->frequencyDomainAllocation.choice.row2.size = source->frequencyDomainAllocation.choice.row2.size;
target->frequencyDomainAllocation.choice.row2.bits_unused = source->frequencyDomainAllocation.choice.row2.bits_unused;
if (!target->frequencyDomainAllocation.choice.row2.buf)
target->frequencyDomainAllocation.choice.row2.buf =
calloc(target->frequencyDomainAllocation.choice.row2.size, sizeof(uint8_t));
for (int i = 0; i < target->frequencyDomainAllocation.choice.row2.size; i++)
target->frequencyDomainAllocation.choice.row2.buf[i] = source->frequencyDomainAllocation.choice.row2.buf[i];
break;
case NR_CSI_RS_ResourceMapping__frequencyDomainAllocation_PR_row4:
target->frequencyDomainAllocation.choice.row4.size = source->frequencyDomainAllocation.choice.row4.size;
target->frequencyDomainAllocation.choice.row4.bits_unused = source->frequencyDomainAllocation.choice.row4.bits_unused;
if (!target->frequencyDomainAllocation.choice.row4.buf)
target->frequencyDomainAllocation.choice.row4.buf =
calloc(target->frequencyDomainAllocation.choice.row4.size, sizeof(uint8_t));
for (int i = 0; i < target->frequencyDomainAllocation.choice.row4.size; i++)
target->frequencyDomainAllocation.choice.row4.buf[i] = source->frequencyDomainAllocation.choice.row4.buf[i];
break;
case NR_CSI_RS_ResourceMapping__frequencyDomainAllocation_PR_other:
target->frequencyDomainAllocation.choice.other.size = source->frequencyDomainAllocation.choice.other.size;
target->frequencyDomainAllocation.choice.other.bits_unused = source->frequencyDomainAllocation.choice.other.bits_unused;
if (!target->frequencyDomainAllocation.choice.other.buf)
target->frequencyDomainAllocation.choice.other.buf =
calloc(target->frequencyDomainAllocation.choice.other.size, sizeof(uint8_t));
for (int i = 0; i < target->frequencyDomainAllocation.choice.other.size; i++)
target->frequencyDomainAllocation.choice.other.buf[i] = source->frequencyDomainAllocation.choice.other.buf[i];
break;
default:
AssertFatal(false, "Invalid entry\n");
}
}
target->nrofPorts = source->nrofPorts;
target->firstOFDMSymbolInTimeDomain = source->firstOFDMSymbolInTimeDomain;
UPDATE_IE(target->firstOFDMSymbolInTimeDomain2, source->firstOFDMSymbolInTimeDomain2, long);
target->cdm_Type = source->cdm_Type;
target->density = source->density;
target->freqBand = source->freqBand;
}
static void configure_csirs_resource(NR_NZP_CSI_RS_Resource_t *target, NR_NZP_CSI_RS_Resource_t *source)
{
configure_csi_resourcemapping(&target->resourceMapping, &source->resourceMapping);
......
openair2/LAYER2/NR_MAC_UE/mac_proto.h
View file @ 9c72b29f
......@@ -268,6 +268,10 @@ and fills the PRACH PDU per each FD occasion.
void nr_ue_pucch_scheduler(NR_UE_MAC_INST_t *mac, frame_t frameP, int slotP);
void nr_schedule_csirs_reception(NR_UE_MAC_INST_t *mac, int frame, int slot);
void nr_schedule_csi_for_im(NR_UE_MAC_INST_t *mac, int frame, int slot);
void configure_csi_resource_mapping(fapi_nr_dl_config_csirs_pdu_rel15_t *csirs_config_pdu,
NR_CSI_RS_ResourceMapping_t *resourceMapping,
uint32_t bwp_size,
uint32_t bwp_start);
/* \brief This function schedules the Msg3 transmission
@param
......
openair2/LAYER2/NR_MAC_UE/nr_ue_procedures.c
View file @ 9c72b29f
......@@ -230,6 +230,57 @@ void nr_ue_decode_mib(NR_UE_MAC_INST_t *mac, int cc_id)
mac->state = UE_SYNC;
}
static void configure_ratematching_csi(fapi_nr_dl_config_dlsch_pdu_rel15_t *dlsch_pdu,
fapi_nr_dl_config_request_t *dl_config,
int rnti_type,
int frame,
int slot,
int mu,
NR_PDSCH_Config_t *pdsch_config)
{
// only for C-RNTI, MCS-C-RNTI, CS-RNTI (and only C-RNTI is supported for now)
if (rnti_type != TYPE_C_RNTI_)
return;
if (pdsch_config && pdsch_config->zp_CSI_RS_ResourceToAddModList) {
for (int i = 0; i < pdsch_config->zp_CSI_RS_ResourceToAddModList->list.count; i++) {
NR_ZP_CSI_RS_Resource_t *zp_res = pdsch_config->zp_CSI_RS_ResourceToAddModList->list.array[i];
NR_ZP_CSI_RS_ResourceId_t id = zp_res->zp_CSI_RS_ResourceId;
NR_SetupRelease_ZP_CSI_RS_ResourceSet_t *zp_set = pdsch_config->p_ZP_CSI_RS_ResourceSet;
AssertFatal(zp_set && zp_set->choice.setup, "Only periodic ZP resource set is implemented\n");
bool found = false;
for (int j = 0; j < zp_set->choice.setup->zp_CSI_RS_ResourceIdList.list.count; j++) {
if (*zp_set->choice.setup->zp_CSI_RS_ResourceIdList.list.array[j] == id) {
found = true;
break;
}
}
AssertFatal(found, "Couldn't find periodic ZP resouce in set\n");
AssertFatal(zp_res->periodicityAndOffset, "periodicityAndOffset cannot be null for periodic ZP resource\n");
int period, offset;
csi_period_offset(NULL, zp_res->periodicityAndOffset, &period, &offset);
if((frame * nr_slots_per_frame[mu] + slot - offset) % period != 0)
continue;
AssertFatal(dlsch_pdu->numCsiRsForRateMatching < NFAPI_MAX_NUM_CSI_RATEMATCH, "csiRsForRateMatching out of bounds\n");
fapi_nr_dl_config_csirs_pdu_rel15_t *csi_pdu = &dlsch_pdu->csiRsForRateMatching[dlsch_pdu->numCsiRsForRateMatching];
csi_pdu->csi_type = 2; // ZP-CSI
csi_pdu->subcarrier_spacing = mu;
configure_csi_resource_mapping(csi_pdu, &zp_res->resourceMapping, dlsch_pdu->BWPSize, dlsch_pdu->BWPStart);
dlsch_pdu->numCsiRsForRateMatching++;
}
}
for (int i = 0; i < dl_config->number_pdus; i++) {
// This assumes that CSI-RS are scheduled before this moment which is true in current implementation
fapi_nr_dl_config_request_pdu_t *csi_req = &dl_config->dl_config_list[i];
if (csi_req->pdu_type == FAPI_NR_DL_CONFIG_TYPE_CSI_RS) {
AssertFatal(dlsch_pdu->numCsiRsForRateMatching < NFAPI_MAX_NUM_CSI_RATEMATCH, "csiRsForRateMatching out of bounds\n");
dlsch_pdu->csiRsForRateMatching[dlsch_pdu->numCsiRsForRateMatching] = csi_req->csirs_config_pdu.csirs_config_rel15;
dlsch_pdu->numCsiRsForRateMatching++;
}
}
}
int8_t nr_ue_decode_BCCH_DL_SCH(NR_UE_MAC_INST_t *mac,
int cc_id,
unsigned int gNB_index,
......@@ -635,8 +686,11 @@ static int nr_ue_process_dci_dl_10(NR_UE_MAC_INST_t *mac,
dlsch_pdu->BWPSize = current_DL_BWP->BWPSize;
dlsch_pdu->BWPStart = current_DL_BWP->BWPStart;
}
nr_rnti_type_t rnti_type = get_rnti_type(mac, dci_ind->rnti);
int mux_pattern = 1;
if (dci_ind->rnti == SI_RNTI) {
if (rnti_type == TYPE_SI_RNTI_) {
NR_Type0_PDCCH_CSS_config_t type0_PDCCH_CSS_config = mac->type0_PDCCH_CSS_config;
mux_pattern = type0_PDCCH_CSS_config.type0_pdcch_ss_mux_pattern;
dl_conf_req->pdu_type = FAPI_NR_DL_CONFIG_TYPE_SI_DLSCH;
......@@ -646,13 +700,17 @@ static int nr_ue_process_dci_dl_10(NR_UE_MAC_INST_t *mac,
dlsch_pdu->SubcarrierSpacing = mac->mib->subCarrierSpacingCommon + 2;
} else {
dlsch_pdu->SubcarrierSpacing = current_DL_BWP->scs;
if (mac->ra.RA_window_cnt >= 0 && dci_ind->rnti == mac->ra.ra_rnti) {
if (mac->ra.RA_window_cnt >= 0 && rnti_type == TYPE_RA_RNTI_) {
dl_conf_req->pdu_type = FAPI_NR_DL_CONFIG_TYPE_RA_DLSCH;
} else {
dl_conf_req->pdu_type = FAPI_NR_DL_CONFIG_TYPE_DLSCH;
}
}
dlsch_pdu->numCsiRsForRateMatching = 0;
configure_ratematching_csi(dlsch_pdu, dl_config, rnti_type, frame, slot, dlsch_pdu->SubcarrierSpacing, pdsch_config);
/* IDENTIFIER_DCI_FORMATS */
/* FREQ_DOM_RESOURCE_ASSIGNMENT_DL */
if (nr_ue_process_dci_freq_dom_resource_assignment(NULL,
......@@ -674,7 +732,7 @@ static int nr_ue_process_dci_dl_10(NR_UE_MAC_INST_t *mac,
int dmrs_typeA_pos = mac->dmrs_TypeA_Position;
const int coreset_type = dci_ind->coreset_type == NFAPI_NR_CSET_CONFIG_PDCCH_CONFIG; // 0 for coreset0, 1 otherwise;
nr_rnti_type_t rnti_type = get_rnti_type(mac, dci_ind->rnti);
NR_tda_info_t tda_info = get_dl_tda_info(current_DL_BWP,
dci_ind->ss_type,
dci->time_domain_assignment.val,
......@@ -845,7 +903,7 @@ static int nr_ue_process_dci_dl_10(NR_UE_MAC_INST_t *mac,
return -1;
}
if (dci_ind->rnti != mac->ra.ra_rnti && dci_ind->rnti != SI_RNTI) {
if (rnti_type != TYPE_RA_RNTI_ && rnti_type != TYPE_SI_RNTI_) {
AssertFatal(1 + dci->pdsch_to_harq_feedback_timing_indicator.val > DURATION_RX_TO_TX,
"PDSCH to HARQ feedback time (%d) needs to be higher than DURATION_RX_TO_TX (%d).\n",
1 + dci->pdsch_to_harq_feedback_timing_indicator.val,
......@@ -966,6 +1024,10 @@ static int nr_ue_process_dci_dl_11(NR_UE_MAC_INST_t *mac,
dlsch_pdu->BWPStart = current_DL_BWP->BWPStart;
dlsch_pdu->SubcarrierSpacing = current_DL_BWP->scs;
nr_rnti_type_t rnti_type = get_rnti_type(mac, dci_ind->rnti);
dlsch_pdu->numCsiRsForRateMatching = 0;
configure_ratematching_csi(dlsch_pdu, dl_config, rnti_type, frame, slot, current_DL_BWP->scs, pdsch_Config);
/* IDENTIFIER_DCI_FORMATS */
/* CARRIER_IND */
/* BANDWIDTH_PART_IND */
......@@ -987,7 +1049,7 @@ static int nr_ue_process_dci_dl_11(NR_UE_MAC_INST_t *mac,
int dmrs_typeA_pos = mac->dmrs_TypeA_Position;
int mux_pattern = 1;
const int coreset_type = dci_ind->coreset_type == NFAPI_NR_CSET_CONFIG_PDCCH_CONFIG; // 0 for coreset0, 1 otherwise;
nr_rnti_type_t rnti_type = get_rnti_type(mac, dci_ind->rnti);
NR_tda_info_t tda_info = get_dl_tda_info(current_DL_BWP,
dci_ind->ss_type,
dci->time_domain_assignment.val,
......
openair2/LAYER2/NR_MAC_UE/nr_ue_scheduler.c
View file @ 9c72b29f
......@@ -1197,15 +1197,16 @@ void nr_ue_dl_scheduler(NR_UE_MAC_INST_t *mac, nr_downlink_indication_t *dl_info
if (mac->state == UE_NOT_SYNC || mac->state == UE_DETACHING)
return;
ue_dci_configuration(mac, dl_config, rx_frame, rx_slot);
if (mac->ul_time_alignment.ta_apply != no_ta)
schedule_ta_command(dl_config, &mac->ul_time_alignment);
if (mac->state == UE_CONNECTED) {
nr_schedule_csirs_reception(mac, rx_frame, rx_slot);
nr_schedule_csi_for_im(mac, rx_frame, rx_slot);
}
ue_dci_configuration(mac, dl_config, rx_frame, rx_slot);
if (mac->ul_time_alignment.ta_apply != no_ta)
schedule_ta_command(dl_config, &mac->ul_time_alignment);
nr_scheduled_response_t scheduled_response = {.dl_config = dl_config,
.module_id = mac->ue_id,
.CC_id = dl_info->cc_id,
......@@ -2418,6 +2419,113 @@ uint8_t set_csirs_measurement_bitmap(NR_CSI_MeasConfig_t *csi_measconfig, NR_CSI
return meas_bitmap;
}
void configure_csi_resource_mapping(fapi_nr_dl_config_csirs_pdu_rel15_t *csirs_config_pdu,
NR_CSI_RS_ResourceMapping_t *resourceMapping,
uint32_t bwp_size,
uint32_t bwp_start)
{
// According to last paragraph of TS 38.214 5.2.2.3.1
if (resourceMapping->freqBand.startingRB < bwp_start)
csirs_config_pdu->start_rb = bwp_start;
else
csirs_config_pdu->start_rb = resourceMapping->freqBand.startingRB;
if (resourceMapping->freqBand.nrofRBs > (bwp_start + bwp_size - csirs_config_pdu->start_rb))
csirs_config_pdu->nr_of_rbs = bwp_start + bwp_size - csirs_config_pdu->start_rb;
else
csirs_config_pdu->nr_of_rbs = resourceMapping->freqBand.nrofRBs;
AssertFatal(csirs_config_pdu->nr_of_rbs >= 24, "CSI-RS has %d RBs, but the minimum is 24\n", csirs_config_pdu->nr_of_rbs);
csirs_config_pdu->symb_l0 = resourceMapping->firstOFDMSymbolInTimeDomain;
if (resourceMapping->firstOFDMSymbolInTimeDomain2)
csirs_config_pdu->symb_l1 = *resourceMapping->firstOFDMSymbolInTimeDomain2;
csirs_config_pdu->cdm_type = resourceMapping->cdm_Type;
csirs_config_pdu->freq_density = resourceMapping->density.present;
if ((resourceMapping->density.present == NR_CSI_RS_ResourceMapping__density_PR_dot5)
&& (resourceMapping->density.choice.dot5 == NR_CSI_RS_ResourceMapping__density__dot5_evenPRBs))
csirs_config_pdu->freq_density--;
switch(resourceMapping->frequencyDomainAllocation.present){
case NR_CSI_RS_ResourceMapping__frequencyDomainAllocation_PR_row1:
csirs_config_pdu->row = 1;
csirs_config_pdu->freq_domain = ((resourceMapping->frequencyDomainAllocation.choice.row1.buf[0]) >> 4) & 0x0f;
break;
case NR_CSI_RS_ResourceMapping__frequencyDomainAllocation_PR_row2:
csirs_config_pdu->row = 2;
csirs_config_pdu->freq_domain = (((resourceMapping->frequencyDomainAllocation.choice.row2.buf[1] >> 4) & 0x0f)
| ((resourceMapping->frequencyDomainAllocation.choice.row2.buf[0] << 4) & 0xff0));
break;
case NR_CSI_RS_ResourceMapping__frequencyDomainAllocation_PR_row4:
csirs_config_pdu->row = 4;
csirs_config_pdu->freq_domain = ((resourceMapping->frequencyDomainAllocation.choice.row4.buf[0]) >> 5) & 0x07;
break;
case NR_CSI_RS_ResourceMapping__frequencyDomainAllocation_PR_other:
csirs_config_pdu->freq_domain = ((resourceMapping->frequencyDomainAllocation.choice.other.buf[0]) >> 2) & 0x3f;
// determining the row of table 7.4.1.5.3-1 in 38.211
switch (resourceMapping->nrofPorts) {
case NR_CSI_RS_ResourceMapping__nrofPorts_p1:
AssertFatal(1 == 0, "Resource with 1 CSI port shouldn't be within other rows\n");
break;
case NR_CSI_RS_ResourceMapping__nrofPorts_p2:
csirs_config_pdu->row = 3;
break;
case NR_CSI_RS_ResourceMapping__nrofPorts_p4:
csirs_config_pdu->row = 5;
break;
case NR_CSI_RS_ResourceMapping__nrofPorts_p8:
if (resourceMapping->cdm_Type == NR_CSI_RS_ResourceMapping__cdm_Type_cdm4_FD2_TD2)
csirs_config_pdu->row = 8;
else {
int num_k = 0;
for (int k = 0; k < 6; k++)
num_k += (((csirs_config_pdu->freq_domain) >> k) & 0x01);
if (num_k == 4)
csirs_config_pdu->row = 6;
else
csirs_config_pdu->row = 7;
}
break;
case NR_CSI_RS_ResourceMapping__nrofPorts_p12:
if (resourceMapping->cdm_Type == NR_CSI_RS_ResourceMapping__cdm_Type_cdm4_FD2_TD2)
csirs_config_pdu->row = 10;
else
csirs_config_pdu->row = 9;
break;
case NR_CSI_RS_ResourceMapping__nrofPorts_p16:
if (resourceMapping->cdm_Type == NR_CSI_RS_ResourceMapping__cdm_Type_cdm4_FD2_TD2)
csirs_config_pdu->row = 12;
else
csirs_config_pdu->row = 11;
break;
case NR_CSI_RS_ResourceMapping__nrofPorts_p24:
if (resourceMapping->cdm_Type == NR_CSI_RS_ResourceMapping__cdm_Type_cdm4_FD2_TD2)
csirs_config_pdu->row = 14;
else {
if (resourceMapping->cdm_Type == NR_CSI_RS_ResourceMapping__cdm_Type_cdm8_FD2_TD4)
csirs_config_pdu->row = 15;
else
csirs_config_pdu->row = 13;
}
break;
case NR_CSI_RS_ResourceMapping__nrofPorts_p32:
if (resourceMapping->cdm_Type == NR_CSI_RS_ResourceMapping__cdm_Type_cdm4_FD2_TD2)
csirs_config_pdu->row = 17;
else {
if (resourceMapping->cdm_Type == NR_CSI_RS_ResourceMapping__cdm_Type_cdm8_FD2_TD4)
csirs_config_pdu->row = 18;
else
csirs_config_pdu->row = 16;
}
break;
default:
AssertFatal(false, "Invalid number of ports in CSI-RS resource\n");
}
break;
default:
AssertFatal(false, "Invalid freqency domain allocation in CSI-RS resource\n");
}
}
void nr_schedule_csirs_reception(NR_UE_MAC_INST_t *mac, int frame, int slot)
{
if (!mac->sc_info.csi_MeasConfig)
......@@ -2449,117 +2557,20 @@ void nr_schedule_csirs_reception(NR_UE_MAC_INST_t *mac, int frame, int slot)
LOG_D(MAC,"Scheduling reception of CSI-RS in frame %d slot %d\n", frame, slot);
fapi_nr_dl_config_csirs_pdu_rel15_t *csirs_config_pdu = &dl_config->dl_config_list[dl_config->number_pdus].csirs_config_pdu.csirs_config_rel15;
csirs_config_pdu->measurement_bitmap = set_csirs_measurement_bitmap(csi_measconfig, csi_res_id);
NR_CSI_RS_ResourceMapping_t resourceMapping = nzpcsi->resourceMapping;
csirs_config_pdu->subcarrier_spacing = mu;
csirs_config_pdu->cyclic_prefix = current_DL_BWP->cyclicprefix ? *current_DL_BWP->cyclicprefix : 0;
// According to last paragraph of TS 38.214 5.2.2.3.1
if (resourceMapping.freqBand.startingRB < bwp_start) {
csirs_config_pdu->start_rb = bwp_start;
} else {
csirs_config_pdu->start_rb = resourceMapping.freqBand.startingRB;
}
if (resourceMapping.freqBand.nrofRBs > (bwp_start + bwp_size - csirs_config_pdu->start_rb)) {
csirs_config_pdu->nr_of_rbs = bwp_start + bwp_size - csirs_config_pdu->start_rb;
} else {
csirs_config_pdu->nr_of_rbs = resourceMapping.freqBand.nrofRBs;
}
AssertFatal(csirs_config_pdu->nr_of_rbs >= 24, "CSI-RS has %d RBs, but the minimum is 24\n", csirs_config_pdu->nr_of_rbs);
csirs_config_pdu->csi_type = 1; // NZP-CSI-RS
csirs_config_pdu->symb_l0 = resourceMapping.firstOFDMSymbolInTimeDomain;
if (resourceMapping.firstOFDMSymbolInTimeDomain2)
csirs_config_pdu->symb_l1 = *resourceMapping.firstOFDMSymbolInTimeDomain2;
csirs_config_pdu->cdm_type = resourceMapping.cdm_Type;
csirs_config_pdu->freq_density = resourceMapping.density.present;
if ((resourceMapping.density.present == NR_CSI_RS_ResourceMapping__density_PR_dot5)
&& (resourceMapping.density.choice.dot5 == NR_CSI_RS_ResourceMapping__density__dot5_evenPRBs))
csirs_config_pdu->freq_density--;
csirs_config_pdu->scramb_id = nzpcsi->scramblingID;
csirs_config_pdu->power_control_offset = nzpcsi->powerControlOffset + 8;
if (nzpcsi->powerControlOffsetSS)
csirs_config_pdu->power_control_offset_ss = *nzpcsi->powerControlOffsetSS;
else
csirs_config_pdu->power_control_offset_ss = 1; // 0 dB
switch(resourceMapping.frequencyDomainAllocation.present){
case NR_CSI_RS_ResourceMapping__frequencyDomainAllocation_PR_row1:
csirs_config_pdu->row = 1;
csirs_config_pdu->freq_domain = ((resourceMapping.frequencyDomainAllocation.choice.row1.buf[0]) >> 4) & 0x0f;
break;
case NR_CSI_RS_ResourceMapping__frequencyDomainAllocation_PR_row2:
csirs_config_pdu->row = 2;
csirs_config_pdu->freq_domain = (((resourceMapping.frequencyDomainAllocation.choice.row2.buf[1] >> 4) & 0x0f)
| ((resourceMapping.frequencyDomainAllocation.choice.row2.buf[0] << 4) & 0xff0));
break;
case NR_CSI_RS_ResourceMapping__frequencyDomainAllocation_PR_row4:
csirs_config_pdu->row = 4;
csirs_config_pdu->freq_domain = ((resourceMapping.frequencyDomainAllocation.choice.row4.buf[0]) >> 5) & 0x07;
break;
case NR_CSI_RS_ResourceMapping__frequencyDomainAllocation_PR_other:
csirs_config_pdu->freq_domain = ((resourceMapping.frequencyDomainAllocation.choice.other.buf[0]) >> 2) & 0x3f;
// determining the row of table 7.4.1.5.3-1 in 38.211
switch (resourceMapping.nrofPorts) {
case NR_CSI_RS_ResourceMapping__nrofPorts_p1:
AssertFatal(1 == 0, "Resource with 1 CSI port shouldn't be within other rows\n");
break;
case NR_CSI_RS_ResourceMapping__nrofPorts_p2:
csirs_config_pdu->row = 3;
break;
case NR_CSI_RS_ResourceMapping__nrofPorts_p4:
csirs_config_pdu->row = 5;
break;
case NR_CSI_RS_ResourceMapping__nrofPorts_p8:
if (resourceMapping.cdm_Type == NR_CSI_RS_ResourceMapping__cdm_Type_cdm4_FD2_TD2)
csirs_config_pdu->row = 8;
else {
int num_k = 0;
for (int k = 0; k < 6; k++)
num_k += (((csirs_config_pdu->freq_domain) >> k) & 0x01);
if (num_k == 4)
csirs_config_pdu->row = 6;
else
csirs_config_pdu->row = 7;
}
break;
case NR_CSI_RS_ResourceMapping__nrofPorts_p12:
if (resourceMapping.cdm_Type == NR_CSI_RS_ResourceMapping__cdm_Type_cdm4_FD2_TD2)
csirs_config_pdu->row = 10;
else
csirs_config_pdu->row = 9;
break;
case NR_CSI_RS_ResourceMapping__nrofPorts_p16:
if (resourceMapping.cdm_Type == NR_CSI_RS_ResourceMapping__cdm_Type_cdm4_FD2_TD2)
csirs_config_pdu->row = 12;
else
csirs_config_pdu->row = 11;
break;
case NR_CSI_RS_ResourceMapping__nrofPorts_p24:
if (resourceMapping.cdm_Type == NR_CSI_RS_ResourceMapping__cdm_Type_cdm4_FD2_TD2)
csirs_config_pdu->row = 14;
else {
if (resourceMapping.cdm_Type == NR_CSI_RS_ResourceMapping__cdm_Type_cdm8_FD2_TD4)
csirs_config_pdu->row = 15;
else
csirs_config_pdu->row = 13;
}
break;
case NR_CSI_RS_ResourceMapping__nrofPorts_p32:
if (resourceMapping.cdm_Type == NR_CSI_RS_ResourceMapping__cdm_Type_cdm4_FD2_TD2)
csirs_config_pdu->row = 17;
else {
if (resourceMapping.cdm_Type == NR_CSI_RS_ResourceMapping__cdm_Type_cdm8_FD2_TD4)
csirs_config_pdu->row = 18;
else
csirs_config_pdu->row = 16;
}
break;
default:
AssertFatal(1 == 0, "Invalid number of ports in CSI-RS resource\n");
}
break;
default:
AssertFatal(1 == 0, "Invalid freqency domain allocation in CSI-RS resource\n");
}
configure_csi_resource_mapping(csirs_config_pdu, &nzpcsi->resourceMapping, bwp_size, bwp_start);
dl_config->dl_config_list[dl_config->number_pdus].pdu_type = FAPI_NR_DL_CONFIG_TYPE_CSI_RS;
dl_config->number_pdus += 1;
}
......
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