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srsRAN_4G
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added multi antenna to phich, pcfich, set rxant constant tto max ports

Browse Source
master
Ismael Gomez 8 years ago
parent 54d4d48f96
commit 5de9fa6a46
28 changed files with 218 additions and 149 deletions
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4
srslte/examples/cell_measurement.c
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@ -129,7 +129,7 @@ void sig_int_handler(int signo)
}
}
int srslte_rf_recv_wrapper(void *h, cf_t *data[SRSLTE_MAX_RXANT], uint32_t nsamples, srslte_timestamp_t *q) {
int srslte_rf_recv_wrapper(void *h, cf_t *data[SRSLTE_MAX_PORTS], uint32_t nsamples, srslte_timestamp_t *q) {
DEBUG(" ---- Receive %d samples ---- \n", nsamples);
return srslte_rf_recv(h, data[0], nsamples, 1);
@ -142,7 +142,7 @@ enum receiver_state { DECODE_MIB, DECODE_SIB, MEASURE} state;
int main(int argc, char **argv) {
int ret;
cf_t *sf_buffer[SRSLTE_MAX_RXANT] = {NULL, NULL};
cf_t *sf_buffer[SRSLTE_MAX_PORTS] = {NULL, NULL};
prog_args_t prog_args;
srslte_cell_t cell;
int64_t sf_cnt;

6
srslte/examples/cell_search.c
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@ -120,10 +120,10 @@ void parse_args(int argc, char **argv) {
}
}
int srslte_rf_recv_wrapper(void *h, cf_t *data[SRSLTE_MAX_RXANT], uint32_t nsamples, srslte_timestamp_t *t) {
int srslte_rf_recv_wrapper(void *h, cf_t *data[SRSLTE_MAX_PORTS], uint32_t nsamples, srslte_timestamp_t *t) {
DEBUG(" ---- Receive %d samples ---- \n", nsamples);
void *ptr[SRSLTE_MAX_RXANT];
for (int i=0;i<SRSLTE_MAX_RXANT;i++) {
void *ptr[SRSLTE_MAX_PORTS];
for (int i=0;i<SRSLTE_MAX_PORTS;i++) {
ptr[i] = data[i];
}
return srslte_rf_recv_with_time_multi((srslte_rf_t*) h, ptr, nsamples, 1, NULL, NULL);

6
srslte/examples/pdsch_ue.c
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@ -260,10 +260,10 @@ void sig_int_handler(int signo)
cf_t *sf_buffer[2] = {NULL, NULL};
#ifndef DISABLE_RF
int srslte_rf_recv_wrapper(void *h, cf_t *data[SRSLTE_MAX_RXANT], uint32_t nsamples, srslte_timestamp_t *t) {
int srslte_rf_recv_wrapper(void *h, cf_t *data[SRSLTE_MAX_PORTS], uint32_t nsamples, srslte_timestamp_t *t) {
DEBUG(" ---- Receive %d samples ---- \n", nsamples);
void *ptr[SRSLTE_MAX_RXANT];
for (int i=0;i<SRSLTE_MAX_RXANT;i++) {
void *ptr[SRSLTE_MAX_PORTS];
for (int i=0;i<SRSLTE_MAX_PORTS;i++) {
ptr[i] = data[i];
}
return srslte_rf_recv_with_time_multi(h, ptr, nsamples, true, NULL, NULL);

4
srslte/examples/usrp_capture_sync.c
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@ -98,13 +98,13 @@ void parse_args(int argc, char **argv) {
}
}
int srslte_rf_recv_wrapper(void *h, cf_t *data[SRSLTE_MAX_RXANT], uint32_t nsamples, srslte_timestamp_t *t) {
int srslte_rf_recv_wrapper(void *h, cf_t *data[SRSLTE_MAX_PORTS], uint32_t nsamples, srslte_timestamp_t *t) {
DEBUG(" ---- Receive %d samples ---- \n", nsamples);
return srslte_rf_recv(h, data[2], nsamples, 1);
}
int main(int argc, char **argv) {
cf_t *buffer[SRSLTE_MAX_RXANT] = {NULL, NULL};
cf_t *buffer[SRSLTE_MAX_PORTS] = {NULL, NULL};
int n;
srslte_rf_t rf;
srslte_filesink_t sink;

10
srslte/include/srslte/ch_estimation/chest_dl.h
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@ -76,9 +76,9 @@ typedef struct {
srslte_interp_linsrslte_vec_t srslte_interp_linvec;
srslte_interp_lin_t srslte_interp_lin;
float rssi[SRSLTE_MAX_RXANT][SRSLTE_MAX_PORTS];
float rsrp[SRSLTE_MAX_RXANT][SRSLTE_MAX_PORTS];
float noise_estimate[SRSLTE_MAX_RXANT][SRSLTE_MAX_PORTS];
float rssi[SRSLTE_MAX_PORTS][SRSLTE_MAX_PORTS];
float rsrp[SRSLTE_MAX_PORTS][SRSLTE_MAX_PORTS];
float noise_estimate[SRSLTE_MAX_PORTS][SRSLTE_MAX_PORTS];
/* Use PSS for noise estimation in LS linear interpolation mode */
cf_t pss_signal[SRSLTE_PSS_LEN];
@ -107,8 +107,8 @@ SRSLTE_API void srslte_chest_dl_set_noise_alg(srslte_chest_dl_t *q,
srslte_chest_dl_noise_alg_t noise_estimation_alg);
SRSLTE_API int srslte_chest_dl_estimate_multi(srslte_chest_dl_t *q,
cf_t *input[SRSLTE_MAX_RXANT],
cf_t *ce[SRSLTE_MAX_PORTS][SRSLTE_MAX_RXANT],
cf_t *input[SRSLTE_MAX_PORTS],
cf_t *ce[SRSLTE_MAX_PORTS][SRSLTE_MAX_PORTS],
uint32_t sf_idx,
uint32_t nof_rx_antennas);

1
srslte/include/srslte/common/phy_common.h
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@ -49,7 +49,6 @@
#define SRSLTE_PC_MAX 23 // Maximum TX power for Category 1 UE (in dBm)
#define SRSLTE_MAX_RXANT 2
#define SRSLTE_MAX_PORTS 4
#define SRSLTE_MAX_LAYERS 4
#define SRSLTE_MAX_CODEWORDS 2

8
srslte/include/srslte/mimo/precoding.h
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@ -70,8 +70,8 @@ SRSLTE_API int srslte_predecoding_single(cf_t *y,
int nof_symbols,
float noise_estimate);
SRSLTE_API int srslte_predecoding_single_multi(cf_t *y[SRSLTE_MAX_RXANT],
cf_t *h[SRSLTE_MAX_RXANT],
SRSLTE_API int srslte_predecoding_single_multi(cf_t *y[SRSLTE_MAX_PORTS],
cf_t *h[SRSLTE_MAX_PORTS],
cf_t *x,
int nof_rxant,
int nof_symbols,
@ -83,8 +83,8 @@ SRSLTE_API int srslte_predecoding_diversity(cf_t *y,
int nof_ports,
int nof_symbols);
SRSLTE_API int srslte_predecoding_diversity_multi(cf_t *y[SRSLTE_MAX_RXANT],
cf_t *h[SRSLTE_MAX_PORTS][SRSLTE_MAX_RXANT],
SRSLTE_API int srslte_predecoding_diversity_multi(cf_t *y[SRSLTE_MAX_PORTS],
cf_t *h[SRSLTE_MAX_PORTS][SRSLTE_MAX_PORTS],
cf_t *x[SRSLTE_MAX_LAYERS],
int nof_rxant,
int nof_ports,

17
srslte/include/srslte/phch/pcfich.h
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@ -52,11 +52,13 @@ typedef struct SRSLTE_API {
srslte_cell_t cell;
int nof_symbols;
uint32_t nof_rx_antennas;
/* handler to REGs resource mapper */
srslte_regs_t *regs;
/* buffers */
cf_t ce[SRSLTE_MAX_PORTS][PCFICH_RE];
cf_t ce[SRSLTE_MAX_PORTS][SRSLTE_MAX_PORTS][PCFICH_RE];
cf_t symbols[SRSLTE_MAX_PORTS][PCFICH_RE];
cf_t x[SRSLTE_MAX_PORTS][PCFICH_RE];
cf_t d[PCFICH_RE];
@ -80,6 +82,11 @@ SRSLTE_API int srslte_pcfich_init(srslte_pcfich_t *q,
srslte_regs_t *regs,
srslte_cell_t cell);
SRSLTE_API int srslte_pcfich_init_multi(srslte_pcfich_t *q,
srslte_regs_t *regs,
srslte_cell_t cell,
uint32_t nof_rx_antennas);
SRSLTE_API void srslte_pcfich_free(srslte_pcfich_t *q);
SRSLTE_API int srslte_pcfich_decode(srslte_pcfich_t *q,
@ -90,6 +97,14 @@ SRSLTE_API int srslte_pcfich_decode(srslte_pcfich_t *q,
uint32_t *cfi,
float *corr_result);
SRSLTE_API int srslte_pcfich_decode_multi(srslte_pcfich_t *q,
cf_t *sf_symbols[SRSLTE_MAX_PORTS],
cf_t *ce[SRSLTE_MAX_PORTS][SRSLTE_MAX_PORTS],
float noise_estimate,
uint32_t subframe,
uint32_t *cfi,
float *corr_result);
SRSLTE_API int srslte_pcfich_encode(srslte_pcfich_t *q,
uint32_t cfi,
cf_t *sf_symbols[SRSLTE_MAX_PORTS],

8
srslte/include/srslte/phch/pdcch.h
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@ -68,8 +68,8 @@ typedef struct SRSLTE_API {
srslte_regs_t *regs;
/* buffers */
cf_t *ce[SRSLTE_MAX_PORTS][SRSLTE_MAX_RXANT];
cf_t *symbols[SRSLTE_MAX_RXANT];
cf_t *ce[SRSLTE_MAX_PORTS][SRSLTE_MAX_PORTS];
cf_t *symbols[SRSLTE_MAX_PORTS];
cf_t *x[SRSLTE_MAX_PORTS];
cf_t *d;
uint8_t *e;
@ -120,8 +120,8 @@ SRSLTE_API int srslte_pdcch_extract_llr(srslte_pdcch_t *q,
uint32_t cfi);
SRSLTE_API int srslte_pdcch_extract_llr_multi(srslte_pdcch_t *q,
cf_t *sf_symbols[SRSLTE_MAX_RXANT],
cf_t *ce[SRSLTE_MAX_PORTS][SRSLTE_MAX_RXANT],
cf_t *sf_symbols[SRSLTE_MAX_PORTS],
cf_t *ce[SRSLTE_MAX_PORTS][SRSLTE_MAX_PORTS],
float noise_estimate,
uint32_t nsubframe,
uint32_t cfi);

8
srslte/include/srslte/phch/pdsch.h
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@ -61,8 +61,8 @@ typedef struct SRSLTE_API {
/* buffers */
// void buffers are shared for tx and rx
cf_t *ce[SRSLTE_MAX_PORTS][SRSLTE_MAX_RXANT];
cf_t *symbols[SRSLTE_MAX_RXANT];
cf_t *ce[SRSLTE_MAX_PORTS][SRSLTE_MAX_PORTS];
cf_t *symbols[SRSLTE_MAX_PORTS];
cf_t *x[SRSLTE_MAX_PORTS];
cf_t *d;
void *e;
@ -121,8 +121,8 @@ SRSLTE_API int srslte_pdsch_decode(srslte_pdsch_t *q,
SRSLTE_API int srslte_pdsch_decode_multi(srslte_pdsch_t *q,
srslte_pdsch_cfg_t *cfg,
srslte_softbuffer_rx_t *softbuffer,
cf_t *sf_symbols[SRSLTE_MAX_RXANT],
cf_t *ce[SRSLTE_MAX_PORTS][SRSLTE_MAX_RXANT],
cf_t *sf_symbols[SRSLTE_MAX_PORTS],
cf_t *ce[SRSLTE_MAX_PORTS][SRSLTE_MAX_PORTS],
float noise_estimate,
uint16_t rnti,
uint8_t *data);

21
srslte/include/srslte/phch/phich.h
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@ -62,12 +62,14 @@
typedef struct SRSLTE_API {
srslte_cell_t cell;
uint32_t nof_rx_antennas;
/* handler to REGs resource mapper */
srslte_regs_t *regs;
/* buffers */
cf_t ce[SRSLTE_MAX_PORTS][SRSLTE_PHICH_MAX_NSYMB];
cf_t symbols[SRSLTE_MAX_PORTS][SRSLTE_PHICH_MAX_NSYMB];
cf_t ce[SRSLTE_MAX_PORTS][SRSLTE_MAX_PORTS][SRSLTE_PHICH_MAX_NSYMB];
cf_t sf_symbols[SRSLTE_MAX_PORTS][SRSLTE_PHICH_MAX_NSYMB];
cf_t x[SRSLTE_MAX_PORTS][SRSLTE_PHICH_MAX_NSYMB];
cf_t d[SRSLTE_PHICH_MAX_NSYMB];
cf_t d0[SRSLTE_PHICH_MAX_NSYMB];
@ -87,6 +89,11 @@ SRSLTE_API int srslte_phich_init(srslte_phich_t *q,
srslte_regs_t *regs,
srslte_cell_t cell);
SRSLTE_API int srslte_phich_init_multi(srslte_phich_t *q,
srslte_regs_t *regs,
srslte_cell_t cell,
uint32_t nof_rx_antennas);
SRSLTE_API void srslte_phich_free(srslte_phich_t *q);
SRSLTE_API void srslte_phich_calc(srslte_phich_t *q,
@ -105,6 +112,16 @@ SRSLTE_API int srslte_phich_decode(srslte_phich_t *q,
uint8_t *ack,
float *distance);
SRSLTE_API int srslte_phich_decode_multi(srslte_phich_t *q,
cf_t *slot_symbols[SRSLTE_MAX_PORTS],
cf_t *ce[SRSLTE_MAX_PORTS][SRSLTE_MAX_PORTS],
float noise_estimate,
uint32_t ngroup,
uint32_t nseq,
uint32_t nsubframe,
uint8_t *ack,
float *distance);
SRSLTE_API int srslte_phich_encode(srslte_phich_t *q,
uint8_t ack,
uint32_t ngroup,

4
srslte/include/srslte/ue/ue_cell_search.h
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@ -69,7 +69,7 @@ typedef struct SRSLTE_API {
typedef struct SRSLTE_API {
srslte_ue_sync_t ue_sync;
cf_t *sf_buffer[SRSLTE_MAX_RXANT];
cf_t *sf_buffer[SRSLTE_MAX_PORTS];
uint32_t nof_rx_antennas;
uint32_t max_frames;
@ -83,7 +83,7 @@ typedef struct SRSLTE_API {
SRSLTE_API int srslte_ue_cellsearch_init(srslte_ue_cellsearch_t *q,
uint32_t max_frames_total,
int (recv_callback)(void*, cf_t*[SRSLTE_MAX_RXANT], uint32_t,srslte_timestamp_t*),
int (recv_callback)(void*, cf_t*[SRSLTE_MAX_PORTS], uint32_t,srslte_timestamp_t*),
uint32_t nof_rx_antennas,
void *stream_handler);

10
srslte/include/srslte/ue/ue_dl.h
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@ -90,8 +90,8 @@ typedef struct SRSLTE_API {
uint32_t nof_rx_antennas;
cf_t *sf_symbols[SRSLTE_MAX_RXANT];
cf_t *ce[SRSLTE_MAX_PORTS][SRSLTE_MAX_RXANT];
cf_t *sf_symbols[SRSLTE_MAX_PORTS];
cf_t *ce[SRSLTE_MAX_PORTS][SRSLTE_MAX_PORTS];
srslte_dci_format_t dci_format;
uint64_t pkt_errors;
@ -118,7 +118,7 @@ SRSLTE_API int srslte_ue_dl_init(srslte_ue_dl_t *q,
SRSLTE_API void srslte_ue_dl_free(srslte_ue_dl_t *q);
SRSLTE_API int srslte_ue_dl_decode_fft_estimate(srslte_ue_dl_t *q,
cf_t *input[SRSLTE_MAX_RXANT],
cf_t *input[SRSLTE_MAX_PORTS],
uint32_t sf_idx,
uint32_t *cfi);
@ -157,12 +157,12 @@ SRSLTE_API void srslte_ue_dl_set_sample_offset(srslte_ue_dl_t * q,
float sample_offset);
SRSLTE_API int srslte_ue_dl_decode(srslte_ue_dl_t * q,
cf_t *input[SRSLTE_MAX_RXANT],
cf_t *input[SRSLTE_MAX_PORTS],
uint8_t *data,
uint32_t tti);
SRSLTE_API int srslte_ue_dl_decode_rnti(srslte_ue_dl_t * q,
cf_t *input[SRSLTE_MAX_RXANT],
cf_t *input[SRSLTE_MAX_PORTS],
uint8_t *data,
uint32_t tti,
uint16_t rnti);

4
srslte/include/srslte/ue/ue_mib.h
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@ -100,14 +100,14 @@ SRSLTE_API int srslte_ue_mib_decode(srslte_ue_mib_t * q,
typedef struct {
srslte_ue_mib_t ue_mib;
srslte_ue_sync_t ue_sync;
cf_t *sf_buffer[SRSLTE_MAX_RXANT];
cf_t *sf_buffer[SRSLTE_MAX_PORTS];
uint32_t nof_rx_antennas;
} srslte_ue_mib_sync_t;
SRSLTE_API int srslte_ue_mib_sync_init(srslte_ue_mib_sync_t *q,
uint32_t cell_id,
srslte_cp_t cp,
int (recv_callback)(void*, cf_t*[SRSLTE_MAX_RXANT], uint32_t, srslte_timestamp_t *),
int (recv_callback)(void*, cf_t*[SRSLTE_MAX_PORTS], uint32_t, srslte_timestamp_t *),
uint32_t nof_rx_antennas,
void *stream_handler);

6
srslte/include/srslte/ue/ue_sync.h
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@ -75,7 +75,7 @@ typedef struct SRSLTE_API {
uint32_t agc_period;
void *stream;
int (*recv_callback)(void*, cf_t*[SRSLTE_MAX_RXANT], uint32_t, srslte_timestamp_t*);
int (*recv_callback)(void*, cf_t*[SRSLTE_MAX_PORTS], uint32_t, srslte_timestamp_t*);
srslte_timestamp_t last_timestamp;
uint32_t nof_rx_antennas;
@ -124,7 +124,7 @@ typedef struct SRSLTE_API {
SRSLTE_API int srslte_ue_sync_init(srslte_ue_sync_t *q,
srslte_cell_t cell,
int (recv_callback)(void*, cf_t*[SRSLTE_MAX_RXANT], uint32_t, srslte_timestamp_t*),
int (recv_callback)(void*, cf_t*[SRSLTE_MAX_PORTS], uint32_t, srslte_timestamp_t*),
uint32_t nof_rx_antennas,
void *stream_handler);
@ -147,7 +147,7 @@ SRSLTE_API void srslte_ue_sync_set_agc_period(srslte_ue_sync_t *q,
/* CAUTION: input_buffer MUST have space for 2 subframes */
SRSLTE_API int srslte_ue_sync_zerocopy(srslte_ue_sync_t *q,
cf_t *input_buffer[SRSLTE_MAX_RXANT]);
cf_t *input_buffer[SRSLTE_MAX_PORTS]);
SRSLTE_API void srslte_ue_sync_set_cfo(srslte_ue_sync_t *q,
float cfo);

2
srslte/lib/ch_estimation/chest_dl.c
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@ -354,7 +354,7 @@ int srslte_chest_dl_estimate_port(srslte_chest_dl_t *q, cf_t *input, cf_t *ce, u
return 0;
}
int srslte_chest_dl_estimate_multi(srslte_chest_dl_t *q, cf_t *input[SRSLTE_MAX_RXANT], cf_t *ce[SRSLTE_MAX_PORTS][SRSLTE_MAX_RXANT], uint32_t sf_idx, uint32_t nof_rx_antennas)
int srslte_chest_dl_estimate_multi(srslte_chest_dl_t *q, cf_t *input[SRSLTE_MAX_PORTS], cf_t *ce[SRSLTE_MAX_PORTS][SRSLTE_MAX_PORTS], uint32_t sf_idx, uint32_t nof_rx_antennas)
{
for (uint32_t rxant_id=0;rxant_id<nof_rx_antennas;rxant_id++) {
for (uint32_t port_id=0;port_id<q->cell.nof_ports;port_id++) {

30
srslte/lib/mimo/precoding.c
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@ -37,13 +37,13 @@
#ifdef LV_HAVE_SSE
#include <xmmintrin.h>
#include <pmmintrin.h>
int srslte_predecoding_single_sse(cf_t *y[SRSLTE_MAX_RXANT], cf_t *h[SRSLTE_MAX_RXANT], cf_t *x, int nof_rxant, int nof_symbols, float noise_estimate);
int srslte_predecoding_diversity2_sse(cf_t *y[SRSLTE_MAX_RXANT], cf_t *h[SRSLTE_MAX_PORTS][SRSLTE_MAX_RXANT], cf_t *x[SRSLTE_MAX_LAYERS], int nof_rxant, int nof_symbols);
int srslte_predecoding_single_sse(cf_t *y[SRSLTE_MAX_PORTS], cf_t *h[SRSLTE_MAX_PORTS], cf_t *x, int nof_rxant, int nof_symbols, float noise_estimate);
int srslte_predecoding_diversity2_sse(cf_t *y[SRSLTE_MAX_PORTS], cf_t *h[SRSLTE_MAX_PORTS][SRSLTE_MAX_PORTS], cf_t *x[SRSLTE_MAX_LAYERS], int nof_rxant, int nof_symbols);
#endif
#ifdef LV_HAVE_AVX
#include <immintrin.h>
int srslte_predecoding_single_avx(cf_t *y[SRSLTE_MAX_RXANT], cf_t *h[SRSLTE_MAX_RXANT], cf_t *x, int nof_rxant, int nof_symbols, float noise_estimate);
int srslte_predecoding_single_avx(cf_t *y[SRSLTE_MAX_PORTS], cf_t *h[SRSLTE_MAX_PORTS], cf_t *x, int nof_rxant, int nof_symbols, float noise_estimate);
#endif
@ -58,7 +58,7 @@ int srslte_predecoding_single_avx(cf_t *y[SRSLTE_MAX_RXANT], cf_t *h[SRSLTE_MAX_
#define PROD(a,b) _mm_addsub_ps(_mm_mul_ps(a,_mm_moveldup_ps(b)),_mm_mul_ps(_mm_shuffle_ps(a,a,0xB1),_mm_movehdup_ps(b)))
int srslte_predecoding_single_sse(cf_t *y[SRSLTE_MAX_RXANT], cf_t *h[SRSLTE_MAX_RXANT], cf_t *x, int nof_rxant, int nof_symbols, float noise_estimate) {
int srslte_predecoding_single_sse(cf_t *y[SRSLTE_MAX_PORTS], cf_t *h[SRSLTE_MAX_PORTS], cf_t *x, int nof_rxant, int nof_symbols, float noise_estimate) {
float *xPtr = (float*) x;
const float *hPtr1 = (const float*) h[0];
@ -146,7 +146,7 @@ int srslte_predecoding_single_sse(cf_t *y[SRSLTE_MAX_RXANT], cf_t *h[SRSLTE_MAX_
int srslte_predecoding_single_avx(cf_t *y[SRSLTE_MAX_RXANT], cf_t *h[SRSLTE_MAX_RXANT], cf_t *x, int nof_rxant, int nof_symbols, float noise_estimate) {
int srslte_predecoding_single_avx(cf_t *y[SRSLTE_MAX_PORTS], cf_t *h[SRSLTE_MAX_PORTS], cf_t *x, int nof_rxant, int nof_symbols, float noise_estimate) {
float *xPtr = (float*) x;
const float *hPtr1 = (const float*) h[0];
@ -230,7 +230,7 @@ int srslte_predecoding_single_avx(cf_t *y[SRSLTE_MAX_RXANT], cf_t *h[SRSLTE_MAX_
#endif
int srslte_predecoding_single_gen(cf_t *y[SRSLTE_MAX_RXANT], cf_t *h[SRSLTE_MAX_RXANT], cf_t *x, int nof_rxant, int nof_symbols, float noise_estimate) {
int srslte_predecoding_single_gen(cf_t *y[SRSLTE_MAX_PORTS], cf_t *h[SRSLTE_MAX_PORTS], cf_t *x, int nof_rxant, int nof_symbols, float noise_estimate) {
for (int i=0;i<nof_symbols;i++) {
cf_t r = 0;
cf_t hh = 0;
@ -246,8 +246,8 @@ int srslte_predecoding_single_gen(cf_t *y[SRSLTE_MAX_RXANT], cf_t *h[SRSLTE_MAX_
/* ZF/MMSE SISO equalizer x=y(h'h+no)^(-1)h' (ZF if n0=0.0)*/
int srslte_predecoding_single(cf_t *y_, cf_t *h_, cf_t *x, int nof_symbols, float noise_estimate) {
cf_t *y[SRSLTE_MAX_RXANT];
cf_t *h[SRSLTE_MAX_RXANT];
cf_t *y[SRSLTE_MAX_PORTS];
cf_t *h[SRSLTE_MAX_PORTS];
y[0] = y_;
h[0] = h_;
int nof_rxant = 1;
@ -272,7 +272,7 @@ int srslte_predecoding_single(cf_t *y_, cf_t *h_, cf_t *x, int nof_symbols, floa
}
/* ZF/MMSE SISO equalizer x=y(h'h+no)^(-1)h' (ZF if n0=0.0)*/
int srslte_predecoding_single_multi(cf_t *y[SRSLTE_MAX_RXANT], cf_t *h[SRSLTE_MAX_RXANT], cf_t *x, int nof_rxant, int nof_symbols, float noise_estimate) {
int srslte_predecoding_single_multi(cf_t *y[SRSLTE_MAX_PORTS], cf_t *h[SRSLTE_MAX_PORTS], cf_t *x, int nof_rxant, int nof_symbols, float noise_estimate) {
#ifdef LV_HAVE_AVX
if (nof_symbols > 32) {
return srslte_predecoding_single_avx(y, h, x, nof_rxant, nof_symbols, noise_estimate);
@ -293,7 +293,7 @@ int srslte_predecoding_single_multi(cf_t *y[SRSLTE_MAX_RXANT], cf_t *h[SRSLTE_MA
}
/* C implementatino of the SFBC equalizer */
int srslte_predecoding_diversity_gen_(cf_t *y[SRSLTE_MAX_RXANT], cf_t *h[SRSLTE_MAX_PORTS][SRSLTE_MAX_RXANT],
int srslte_predecoding_diversity_gen_(cf_t *y[SRSLTE_MAX_PORTS], cf_t *h[SRSLTE_MAX_PORTS][SRSLTE_MAX_PORTS],
cf_t *x[SRSLTE_MAX_LAYERS],
int nof_rxant, int nof_ports, int nof_symbols, int symbol_start)
{
@ -362,7 +362,7 @@ int srslte_predecoding_diversity_gen_(cf_t *y[SRSLTE_MAX_RXANT], cf_t *h[SRSLTE_
}
}
int srslte_predecoding_diversity_gen(cf_t *y[SRSLTE_MAX_RXANT], cf_t *h[SRSLTE_MAX_PORTS][SRSLTE_MAX_RXANT],
int srslte_predecoding_diversity_gen(cf_t *y[SRSLTE_MAX_PORTS], cf_t *h[SRSLTE_MAX_PORTS][SRSLTE_MAX_PORTS],
cf_t *x[SRSLTE_MAX_LAYERS],
int nof_rxant, int nof_ports, int nof_symbols) {
return srslte_predecoding_diversity_gen_(y, h, x, nof_rxant, nof_ports, nof_symbols, 0);
@ -370,7 +370,7 @@ int srslte_predecoding_diversity_gen(cf_t *y[SRSLTE_MAX_RXANT], cf_t *h[SRSLTE_M
/* SSE implementation of the 2-port SFBC equalizer */
#ifdef LV_HAVE_SSE
int srslte_predecoding_diversity2_sse(cf_t *y[SRSLTE_MAX_RXANT], cf_t *h[SRSLTE_MAX_PORTS][SRSLTE_MAX_RXANT],
int srslte_predecoding_diversity2_sse(cf_t *y[SRSLTE_MAX_PORTS], cf_t *h[SRSLTE_MAX_PORTS][SRSLTE_MAX_PORTS],
cf_t *x[SRSLTE_MAX_LAYERS],
int nof_rxant, int nof_symbols)
{
@ -481,8 +481,8 @@ int srslte_predecoding_diversity2_sse(cf_t *y[SRSLTE_MAX_RXANT], cf_t *h[SRSLTE_
int srslte_predecoding_diversity(cf_t *y_, cf_t *h_[SRSLTE_MAX_PORTS], cf_t *x[SRSLTE_MAX_LAYERS],
int nof_ports, int nof_symbols)
{
cf_t *h[SRSLTE_MAX_PORTS][SRSLTE_MAX_RXANT];
cf_t *y[SRSLTE_MAX_RXANT];
cf_t *h[SRSLTE_MAX_PORTS][SRSLTE_MAX_PORTS];
cf_t *y[SRSLTE_MAX_PORTS];
uint32_t nof_rxant = 1;
for (int i=0;i<nof_ports;i++) {
@ -501,7 +501,7 @@ int srslte_predecoding_diversity(cf_t *y_, cf_t *h_[SRSLTE_MAX_PORTS], cf_t *x[S
#endif
}
int srslte_predecoding_diversity_multi(cf_t *y[SRSLTE_MAX_RXANT], cf_t *h[SRSLTE_MAX_PORTS][SRSLTE_MAX_RXANT], cf_t *x[SRSLTE_MAX_LAYERS],
int srslte_predecoding_diversity_multi(cf_t *y[SRSLTE_MAX_PORTS], cf_t *h[SRSLTE_MAX_PORTS][SRSLTE_MAX_PORTS], cf_t *x[SRSLTE_MAX_LAYERS],
int nof_rxant, int nof_ports, int nof_symbols)
{
#ifdef LV_HAVE_SSE

6
srslte/lib/mimo/test/predecoder_mex.c
Unescape Escape View File

@ -92,14 +92,14 @@ void mexFunction(int nlhs, mxArray *plhs[], int nrhs, const mxArray *prhs[])
}
cf_t *x[SRSLTE_MAX_LAYERS];
cf_t *h[SRSLTE_MAX_PORTS][SRSLTE_MAX_RXANT];
cf_t *y[SRSLTE_MAX_RXANT];
cf_t *h[SRSLTE_MAX_PORTS][SRSLTE_MAX_PORTS];
cf_t *y[SRSLTE_MAX_PORTS];
for (int i=0;i<SRSLTE_MAX_LAYERS;i++) {
x[i] = NULL;
}
for (int i=0;i<SRSLTE_MAX_PORTS;i++) {
for (int j=0;j<SRSLTE_MAX_RXANT;j++) {
for (int j=0;j<SRSLTE_MAX_PORTS;j++) {
h[i][j] = NULL;
}
}

71
srslte/lib/phch/pcfich.c
Unescape Escape View File

@ -57,10 +57,14 @@ bool srslte_pcfich_exists(int nframe, int nslot) {
return true;
}
int srslte_pcfich_init(srslte_pcfich_t *q, srslte_regs_t *regs, srslte_cell_t cell) {
return srslte_pcfich_init_multi(q, regs, cell, 1);
}
/** Initializes the pcfich channel receiver.
* On error, returns -1 and frees the structrure
*/
int srslte_pcfich_init(srslte_pcfich_t *q, srslte_regs_t *regs, srslte_cell_t cell) {
int srslte_pcfich_init_multi(srslte_pcfich_t *q, srslte_regs_t *regs, srslte_cell_t cell, uint32_t nof_rx_antennas) {
int ret = SRSLTE_ERROR_INVALID_INPUTS;
if (q != NULL &&
@ -73,6 +77,7 @@ int srslte_pcfich_init(srslte_pcfich_t *q, srslte_regs_t *regs, srslte_cell_t ce
q->cell = cell;
q->regs = regs;
q->nof_symbols = PCFICH_RE;
q->nof_rx_antennas = nof_rx_antennas;
if (srslte_modem_table_lte(&q->mod, SRSLTE_MOD_QPSK)) {
goto clean;
@ -145,21 +150,33 @@ int srslte_pcfich_cfi_encode(uint32_t cfi, uint8_t bits[PCFICH_CFI_LEN]) {
}
}
int srslte_pcfich_decode(srslte_pcfich_t *q, cf_t *sf_symbols, cf_t *ce[SRSLTE_MAX_PORTS], float noise_estimate,
uint32_t nsubframe, uint32_t *cfi, float *corr_result)
{
cf_t *_sf_symbols[SRSLTE_MAX_PORTS];
cf_t *_ce[SRSLTE_MAX_PORTS][SRSLTE_MAX_PORTS];
_sf_symbols[0] = sf_symbols;
for (int i=0;i<q->cell.nof_ports;i++) {
_ce[i][0] = ce[i];
}
return srslte_pcfich_decode_multi(q, _sf_symbols, _ce, noise_estimate, nsubframe, cfi, corr_result);
}
/* Decodes the PCFICH channel and saves the CFI in the cfi pointer.
*
* Returns 1 if successfully decoded the CFI, 0 if not and -1 on error
*/
int srslte_pcfich_decode(srslte_pcfich_t *q, cf_t *slot_symbols, cf_t *ce[SRSLTE_MAX_PORTS], float noise_estimate,
uint32_t nsubframe, uint32_t *cfi, float *corr_result)
int srslte_pcfich_decode_multi(srslte_pcfich_t *q, cf_t *sf_symbols[SRSLTE_MAX_PORTS], cf_t *ce[SRSLTE_MAX_PORTS][SRSLTE_MAX_PORTS], float noise_estimate,
uint32_t nsubframe, uint32_t *cfi, float *corr_result)
{
/* Set pointers for layermapping & precoding */
int i;
cf_t *x[SRSLTE_MAX_LAYERS];
cf_t *ce_precoding[SRSLTE_MAX_PORTS];
if (q != NULL &&
slot_symbols != NULL &&
sf_symbols != NULL &&
nsubframe < SRSLTE_NSUBFRAMES_X_FRAME)
{
@ -167,34 +184,37 @@ int srslte_pcfich_decode(srslte_pcfich_t *q, cf_t *slot_symbols, cf_t *ce[SRSLTE
for (i = 0; i < SRSLTE_MAX_PORTS; i++) {
x[i] = q->x[i];
}
for (i = 0; i < SRSLTE_MAX_PORTS; i++) {
ce_precoding[i] = q->ce[i];
}
/* extract symbols */
if (q->nof_symbols
!= srslte_regs_pcfich_get(q->regs, slot_symbols, q->symbols[0])) {
fprintf(stderr, "There was an error getting the PCFICH symbols\n");
return SRSLTE_ERROR;
}
cf_t *q_symbols[SRSLTE_MAX_PORTS];
cf_t *q_ce[SRSLTE_MAX_PORTS][SRSLTE_MAX_PORTS];
/* extract channel estimates */
for (i = 0; i < q->cell.nof_ports; i++) {
if (q->nof_symbols != srslte_regs_pcfich_get(q->regs, ce[i], q->ce[i])) {
/* extract symbols */
for (int j=0;j<q->nof_rx_antennas;j++) {
if (q->nof_symbols
!= srslte_regs_pcfich_get(q->regs, sf_symbols[j], q->symbols[j])) {
fprintf(stderr, "There was an error getting the PCFICH symbols\n");
return SRSLTE_ERROR;
}
q_symbols[j] = q->symbols[j];
/* extract channel estimates */
for (i = 0; i < q->cell.nof_ports; i++) {
if (q->nof_symbols != srslte_regs_pcfich_get(q->regs, ce[i][j], q->ce[i][j])) {
fprintf(stderr, "There was an error getting the PCFICH symbols\n");
return SRSLTE_ERROR;
}
q_ce[i][j] = q->ce[i][j];
}
}
/* in control channels, only diversity is supported */
if (q->cell.nof_ports == 1) {
/* no need for layer demapping */
srslte_predecoding_single(q->symbols[0], q->ce[0], q->d, q->nof_symbols, noise_estimate);
srslte_predecoding_single_multi(q_symbols, q_ce[0], q->d, q->nof_rx_antennas, q->nof_symbols, noise_estimate);
} else {
srslte_predecoding_diversity(q->symbols[0], ce_precoding, x,
q->cell.nof_ports, q->nof_symbols);
srslte_layerdemap_diversity(x, q->d, q->cell.nof_ports,
q->nof_symbols / q->cell.nof_ports);
srslte_predecoding_diversity_multi(q_symbols, q_ce, x, q->nof_rx_antennas, q->cell.nof_ports, q->nof_symbols);
srslte_layerdemap_diversity(x, q->d, q->cell.nof_ports, q->nof_symbols / q->cell.nof_ports);
}
/* demodulate symbols */
@ -229,14 +249,14 @@ int srslte_pcfich_encode(srslte_pcfich_t *q, uint32_t cfi, cf_t *slot_symbols[SR
/* Set pointers for layermapping & precoding */
cf_t *x[SRSLTE_MAX_LAYERS];
cf_t *symbols_precoding[SRSLTE_MAX_PORTS];
cf_t *q_symbols[SRSLTE_MAX_PORTS];
/* number of layers equals number of ports */
for (i = 0; i < q->cell.nof_ports; i++) {
x[i] = q->x[i];
}
for (i = 0; i < SRSLTE_MAX_PORTS; i++) {
symbols_precoding[i] = q->symbols[i];
q_symbols[i] = q->symbols[i];
}
/* pack CFI */
@ -250,8 +270,7 @@ int srslte_pcfich_encode(srslte_pcfich_t *q, uint32_t cfi, cf_t *slot_symbols[SR
/* layer mapping & precoding */
if (q->cell.nof_ports > 1) {
srslte_layermap_diversity(q->d, x, q->cell.nof_ports, q->nof_symbols);
srslte_precoding_diversity(x, symbols_precoding, q->cell.nof_ports,
q->nof_symbols / q->cell.nof_ports);
srslte_precoding_diversity(x, q_symbols, q->cell.nof_ports, q->nof_symbols / q->cell.nof_ports);
} else {
memcpy(q->symbols[0], q->d, q->nof_symbols * sizeof(cf_t));
}

6
srslte/lib/phch/pdcch.c
Unescape Escape View File

@ -393,8 +393,8 @@ int cnt=0;
int srslte_pdcch_extract_llr(srslte_pdcch_t *q, cf_t *sf_symbols, cf_t *ce[SRSLTE_MAX_PORTS], float noise_estimate,
uint32_t nsubframe, uint32_t cfi)
{
cf_t *_sf_symbols[SRSLTE_MAX_RXANT];
cf_t *_ce[SRSLTE_MAX_PORTS][SRSLTE_MAX_RXANT];
cf_t *_sf_symbols[SRSLTE_MAX_PORTS];
cf_t *_ce[SRSLTE_MAX_PORTS][SRSLTE_MAX_PORTS];
_sf_symbols[0] = sf_symbols;
for (int i=0;i<q->cell.nof_ports;i++) {
@ -408,7 +408,7 @@ int srslte_pdcch_extract_llr(srslte_pdcch_t *q, cf_t *sf_symbols, cf_t *ce[SRSLT
* Every time this function is called (with a different location), the last demodulated symbols are overwritten and
* new messages from other locations can be decoded
*/
int srslte_pdcch_extract_llr_multi(srslte_pdcch_t *q, cf_t *sf_symbols[SRSLTE_MAX_RXANT], cf_t *ce[SRSLTE_MAX_PORTS][SRSLTE_MAX_RXANT], float noise_estimate,
int srslte_pdcch_extract_llr_multi(srslte_pdcch_t *q, cf_t *sf_symbols[SRSLTE_MAX_PORTS], cf_t *ce[SRSLTE_MAX_PORTS][SRSLTE_MAX_PORTS], float noise_estimate,
uint32_t nsubframe, uint32_t cfi)
{

8
srslte/lib/phch/pdsch.c
Unescape Escape View File

@ -215,7 +215,7 @@ int srslte_pdsch_init_multi(srslte_pdsch_t *q, srslte_cell_t cell, uint32_t nof_
if (q != NULL &&
srslte_cell_isvalid(&cell) &&
nof_rx_antennas <= SRSLTE_MAX_RXANT)
nof_rx_antennas <= SRSLTE_MAX_PORTS)
{
bzero(q, sizeof(srslte_pdsch_t));
@ -383,8 +383,8 @@ int srslte_pdsch_decode(srslte_pdsch_t *q,
cf_t *sf_symbols, cf_t *ce[SRSLTE_MAX_PORTS], float noise_estimate,
uint16_t rnti, uint8_t *data)
{
cf_t *_sf_symbols[SRSLTE_MAX_RXANT];
cf_t *_ce[SRSLTE_MAX_PORTS][SRSLTE_MAX_RXANT];
cf_t *_sf_symbols[SRSLTE_MAX_PORTS];
cf_t *_ce[SRSLTE_MAX_PORTS][SRSLTE_MAX_PORTS];
_sf_symbols[0] = sf_symbols;
for (int i=0;i<q->cell.nof_ports;i++) {
@ -397,7 +397,7 @@ int srslte_pdsch_decode(srslte_pdsch_t *q,
*/
int srslte_pdsch_decode_multi(srslte_pdsch_t *q,
srslte_pdsch_cfg_t *cfg, srslte_softbuffer_rx_t *softbuffer,
cf_t *sf_symbols[SRSLTE_MAX_RXANT], cf_t *ce[SRSLTE_MAX_PORTS][SRSLTE_MAX_RXANT], float noise_estimate,
cf_t *sf_symbols[SRSLTE_MAX_PORTS], cf_t *ce[SRSLTE_MAX_PORTS][SRSLTE_MAX_PORTS], float noise_estimate,
uint16_t rnti, uint8_t *data)
{

73
srslte/lib/phch/phich.c
Unescape Escape View File

@ -67,8 +67,14 @@ void srslte_phich_reset(srslte_phich_t *q, cf_t *slot_symbols[SRSLTE_MAX_PORTS])
}
}
int srslte_phich_init(srslte_phich_t *q, srslte_regs_t *regs, srslte_cell_t cell)
{
return srslte_phich_init_multi(q, regs, cell, 1);
}
/** Initializes the phich channel receiver */
int srslte_phich_init(srslte_phich_t *q, srslte_regs_t *regs, srslte_cell_t cell) {
int srslte_phich_init_multi(srslte_phich_t *q, srslte_regs_t *regs, srslte_cell_t cell, uint32_t nof_rx_antennas)
{
int ret = SRSLTE_ERROR_INVALID_INPUTS;
if (q != NULL &&
@ -81,6 +87,7 @@ int srslte_phich_init(srslte_phich_t *q, srslte_regs_t *regs, srslte_cell_t cell
q->cell = cell;
q->regs = regs;
q->nof_rx_antennas = nof_rx_antennas;
if (srslte_modem_table_lte(&q->mod, SRSLTE_MOD_BPSK)) {
goto clean;
@ -155,19 +162,32 @@ void srslte_phich_ack_encode(uint8_t ack, uint8_t bits[SRSLTE_PHICH_NBITS]) {
memset(bits, ack, 3 * sizeof(uint8_t));
}
int srslte_phich_decode(srslte_phich_t *q, cf_t *sf_symbols, cf_t *ce[SRSLTE_MAX_PORTS], float noise_estimate,
uint32_t ngroup, uint32_t nseq, uint32_t subframe, uint8_t *ack, float *distance)
{
cf_t *_sf_symbols[SRSLTE_MAX_PORTS];
cf_t *_ce[SRSLTE_MAX_PORTS][SRSLTE_MAX_PORTS];
_sf_symbols[0] = sf_symbols;
for (int i=0;i<q->cell.nof_ports;i++) {
_ce[i][0] = ce[i];
}
return srslte_phich_decode_multi(q, _sf_symbols, _ce, noise_estimate, ngroup, nseq, subframe, ack, distance);
}
/* Decodes the phich channel and saves the CFI in the cfi pointer.
*
* Returns 1 if successfully decoded the CFI, 0 if not and -1 on error
*/
int srslte_phich_decode(srslte_phich_t *q, cf_t *slot_symbols, cf_t *ce[SRSLTE_MAX_PORTS], float noise_estimate,
uint32_t ngroup, uint32_t nseq, uint32_t subframe, uint8_t *ack, float *distance) {
int srslte_phich_decode_multi(srslte_phich_t *q, cf_t *sf_symbols[SRSLTE_MAX_PORTS], cf_t *ce[SRSLTE_MAX_PORTS][SRSLTE_MAX_PORTS], float noise_estimate,
uint32_t ngroup, uint32_t nseq, uint32_t subframe, uint8_t *ack, float *distance)
{
/* Set pointers for layermapping & precoding */
int i, j;
cf_t *x[SRSLTE_MAX_LAYERS];
cf_t *ce_precoding[SRSLTE_MAX_PORTS];
if (q == NULL || slot_symbols == NULL) {
if (q == NULL || sf_symbols == NULL) {
return SRSLTE_ERROR_INVALID_INPUTS;
}
@ -198,34 +218,37 @@ int srslte_phich_decode(srslte_phich_t *q, cf_t *slot_symbols, cf_t *ce[SRSLTE_M
for (i = 0; i < SRSLTE_MAX_PORTS; i++) {
x[i] = q->x[i];
}
for (i = 0; i < SRSLTE_MAX_PORTS; i++) {
ce_precoding[i] = q->ce[i];
}
/* extract symbols */
if (SRSLTE_PHICH_MAX_NSYMB
!= srslte_regs_phich_get(q->regs, slot_symbols, q->symbols[0], ngroup)) {
fprintf(stderr, "There was an error getting the phich symbols\n");
return SRSLTE_ERROR;
}
cf_t *q_ce[SRSLTE_MAX_PORTS][SRSLTE_MAX_PORTS];
cf_t *q_sf_symbols[SRSLTE_MAX_PORTS];
/* extract channel estimates */
for (i = 0; i < q->cell.nof_ports; i++) {
if (SRSLTE_PHICH_MAX_NSYMB != srslte_regs_phich_get(q->regs, ce[i], q->ce[i], ngroup)) {
/* extract symbols */
for (int j=0;j<q->nof_rx_antennas;j++) {
if (SRSLTE_PHICH_MAX_NSYMB
!= srslte_regs_phich_get(q->regs, sf_symbols[j], q->sf_symbols[j], ngroup)) {
fprintf(stderr, "There was an error getting the phich symbols\n");
return SRSLTE_ERROR;
}
q_sf_symbols[j] = q->sf_symbols[j];
/* extract channel estimates */
for (i = 0; i < q->cell.nof_ports; i++) {
if (SRSLTE_PHICH_MAX_NSYMB != srslte_regs_phich_get(q->regs, ce[i][j], q->ce[i][j], ngroup)) {
fprintf(stderr, "There was an error getting the phich symbols\n");
return SRSLTE_ERROR;
}
q_ce[i][j] = q->ce[i][j];
}
}
/* in control channels, only diversity is supported */
if (q->cell.nof_ports == 1) {
/* no need for layer demapping */
srslte_predecoding_single(q->symbols[0], q->ce[0], q->d0, SRSLTE_PHICH_MAX_NSYMB, noise_estimate);
srslte_predecoding_single_multi(q_sf_symbols, q_ce[0], q->d0, q->nof_rx_antennas, SRSLTE_PHICH_MAX_NSYMB, noise_estimate);
} else {
srslte_predecoding_diversity(q->symbols[0], ce_precoding, x,
q->cell.nof_ports, SRSLTE_PHICH_MAX_NSYMB);
srslte_layerdemap_diversity(x, q->d0, q->cell.nof_ports,
SRSLTE_PHICH_MAX_NSYMB / q->cell.nof_ports);
srslte_predecoding_diversity_multi(q_sf_symbols, q_ce, x, q->nof_rx_antennas, q->cell.nof_ports, SRSLTE_PHICH_MAX_NSYMB);
srslte_layerdemap_diversity(x, q->d0, q->cell.nof_ports, SRSLTE_PHICH_MAX_NSYMB / q->cell.nof_ports);
}
DEBUG("Recv!!: \n", 0);
DEBUG("d0: ", 0);
@ -328,7 +351,7 @@ int srslte_phich_encode(srslte_phich_t *q, uint8_t ack, uint32_t ngroup, uint32_
x[i] = q->x[i];
}
for (i = 0; i < SRSLTE_MAX_PORTS; i++) {
symbols_precoding[i] = q->symbols[i];
symbols_precoding[i] = q->sf_symbols[i];
}
/* encode ACK/NACK bit */
@ -391,12 +414,12 @@ int srslte_phich_encode(srslte_phich_t *q, uint8_t ack, uint32_t ngroup, uint32_
SRSLTE_PHICH_MAX_NSYMB / q->cell.nof_ports);
/**FIXME: According to 6.9.2, Precoding for 4 tx ports is different! */
} else {
memcpy(q->symbols[0], q->d0, SRSLTE_PHICH_MAX_NSYMB * sizeof(cf_t));
memcpy(q->sf_symbols[0], q->d0, SRSLTE_PHICH_MAX_NSYMB * sizeof(cf_t));
}
/* mapping to resource elements */
for (i = 0; i < q->cell.nof_ports; i++) {
if (srslte_regs_phich_add(q->regs, q->symbols[i], ngroup, slot_symbols[i])
if (srslte_regs_phich_add(q->regs, q->sf_symbols[i], ngroup, slot_symbols[i])
< 0) {
fprintf(stderr, "Error putting PCHICH resource elements\n");
return SRSLTE_ERROR;

6
srslte/lib/phch/test/pdsch_test_mex.c
Unescape Escape View File

@ -55,7 +55,7 @@ void mexFunction(int nlhs, mxArray *plhs[], int nrhs, const mxArray *prhs[])
srslte_ofdm_t ofdm_rx;
srslte_pdsch_t pdsch;
srslte_chest_dl_t chest;
cf_t *input_fft[SRSLTE_MAX_RXANT];
cf_t *input_fft[SRSLTE_MAX_PORTS];
srslte_pdsch_cfg_t cfg;
srslte_softbuffer_rx_t softbuffer;
uint32_t rnti32;
@ -196,8 +196,8 @@ void mexFunction(int nlhs, mxArray *plhs[], int nrhs, const mxArray *prhs[])
nof_retx = mexutils_getLength(INPUT);
}
cf_t *ce[SRSLTE_MAX_PORTS][SRSLTE_MAX_RXANT];
for (int j=0;j<SRSLTE_MAX_RXANT;j++) {
cf_t *ce[SRSLTE_MAX_PORTS][SRSLTE_MAX_PORTS];
for (int j=0;j<SRSLTE_MAX_PORTS;j++) {
for (i=0;i<cell.nof_ports;i++) {
ce[i][j] = srslte_vec_malloc(SRSLTE_SF_LEN_RE(cell.nof_prb, cell.cp) * sizeof(cf_t));
}

6
srslte/lib/rf/rf_utils.c
Unescape Escape View File

@ -82,10 +82,10 @@ free_and_exit:
return ret;
}
int srslte_rf_recv_wrapper_cs(void *h, cf_t *data[SRSLTE_MAX_RXANT], uint32_t nsamples, srslte_timestamp_t *t) {
int srslte_rf_recv_wrapper_cs(void *h, cf_t *data[SRSLTE_MAX_PORTS], uint32_t nsamples, srslte_timestamp_t *t) {
DEBUG(" ---- Receive %d samples ---- \n", nsamples);
void *ptr[SRSLTE_MAX_RXANT];
for (int i=0;i<SRSLTE_MAX_RXANT;i++) {
void *ptr[SRSLTE_MAX_PORTS];
for (int i=0;i<SRSLTE_MAX_PORTS;i++) {
ptr[i] = data[i];
}
return srslte_rf_recv_with_time_multi(h, ptr, nsamples, 1, NULL, NULL);

2
srslte/lib/ue/ue_cell_search.c
Unescape Escape View File

@ -36,7 +36,7 @@
#include "srslte/utils/vector.h"
int srslte_ue_cellsearch_init(srslte_ue_cellsearch_t * q, uint32_t max_frames,
int (recv_callback)(void*, cf_t*[SRSLTE_MAX_RXANT], uint32_t,srslte_timestamp_t*),
int (recv_callback)(void*, cf_t*[SRSLTE_MAX_PORTS], uint32_t,srslte_timestamp_t*),
uint32_t nof_rx_antennas,
void *stream_handler)
{

16
srslte/lib/ue/ue_dl.c
Unescape Escape View File

@ -52,7 +52,7 @@ int srslte_ue_dl_init(srslte_ue_dl_t *q,
int ret = SRSLTE_ERROR_INVALID_INPUTS;
if (q != NULL &&
nof_rx_antennas <= SRSLTE_MAX_RXANT &&
nof_rx_antennas <= SRSLTE_MAX_PORTS &&
srslte_cell_isvalid(&cell))
{
ret = SRSLTE_ERROR;
@ -78,7 +78,7 @@ int srslte_ue_dl_init(srslte_ue_dl_t *q,
fprintf(stderr, "Error initiating REGs\n");
goto clean_exit;
}
if (srslte_pcfich_init(&q->pcfich, &q->regs, q->cell)) {
if (srslte_pcfich_init_multi(&q->pcfich, &q->regs, q->cell, nof_rx_antennas)) {
fprintf(stderr, "Error creating PCFICH object\n");
goto clean_exit;
}
@ -193,11 +193,11 @@ void srslte_ue_dl_set_sample_offset(srslte_ue_dl_t * q, float sample_offset) {
* - PDCCH decoding: Find DCI for RNTI given by previous call to srslte_ue_dl_set_rnti()
* - PDSCH decoding: Decode TB scrambling with RNTI given by srslte_ue_dl_set_rnti()
*/
int srslte_ue_dl_decode(srslte_ue_dl_t *q, cf_t *input[SRSLTE_MAX_RXANT], uint8_t *data, uint32_t tti) {
int srslte_ue_dl_decode(srslte_ue_dl_t *q, cf_t *input[SRSLTE_MAX_PORTS], uint8_t *data, uint32_t tti) {
return srslte_ue_dl_decode_rnti(q, input, data, tti, q->current_rnti);
}
int srslte_ue_dl_decode_fft_estimate(srslte_ue_dl_t *q, cf_t *input[SRSLTE_MAX_RXANT], uint32_t sf_idx, uint32_t *cfi) {
int srslte_ue_dl_decode_fft_estimate(srslte_ue_dl_t *q, cf_t *input[SRSLTE_MAX_PORTS], uint32_t sf_idx, uint32_t *cfi) {
if (input && q && cfi && sf_idx < SRSLTE_NSUBFRAMES_X_FRAME) {
/* Run FFT for all subframe data */
@ -228,11 +228,7 @@ int srslte_ue_dl_decode_estimate(srslte_ue_dl_t *q, uint32_t sf_idx, uint32_t *c
srslte_chest_dl_estimate_multi(&q->chest, q->sf_symbols, q->ce, sf_idx, q->nof_rx_antennas);
/* First decode PCFICH and obtain CFI */
cf_t *ce0[SRSLTE_MAX_PORTS];
for (int i=0;i<SRSLTE_MAX_PORTS;i++) {
ce0[i] = q->ce[i][0];
}
if (srslte_pcfich_decode(&q->pcfich, q->sf_symbols[0], ce0,
if (srslte_pcfich_decode_multi(&q->pcfich, q->sf_symbols, q->ce,
srslte_chest_dl_get_noise_estimate(&q->chest),
sf_idx, cfi, &cfi_corr)<0) {
fprintf(stderr, "Error decoding PCFICH\n");
@ -258,7 +254,7 @@ int srslte_ue_dl_cfg_grant(srslte_ue_dl_t *q, srslte_ra_dl_grant_t *grant, uint3
return srslte_pdsch_cfg(&q->pdsch_cfg, q->cell, grant, cfi, sf_idx, rvidx);
}
int srslte_ue_dl_decode_rnti(srslte_ue_dl_t *q, cf_t *input[SRSLTE_MAX_RXANT], uint8_t *data, uint32_t tti, uint16_t rnti)
int srslte_ue_dl_decode_rnti(srslte_ue_dl_t *q, cf_t *input[SRSLTE_MAX_PORTS], uint8_t *data, uint32_t tti, uint16_t rnti)
{
srslte_dci_msg_t dci_msg;
srslte_ra_dl_dci_t dci_unpacked;

2
srslte/lib/ue/ue_mib.c
Unescape Escape View File

@ -166,7 +166,7 @@ int srslte_ue_mib_decode(srslte_ue_mib_t * q, cf_t *input,
int srslte_ue_mib_sync_init(srslte_ue_mib_sync_t *q,
uint32_t cell_id,
srslte_cp_t cp,
int (recv_callback)(void*, cf_t*[SRSLTE_MAX_RXANT], uint32_t, srslte_timestamp_t*),
int (recv_callback)(void*, cf_t*[SRSLTE_MAX_PORTS], uint32_t, srslte_timestamp_t*),
uint32_t nof_rx_antennas,
void *stream_handler)
{

16
srslte/lib/ue/ue_sync.c
Unescape Escape View File

@ -50,7 +50,7 @@ cf_t dummy_buffer0[15*2048/2];
cf_t dummy_buffer1[15*2048/2];
// FIXME: this will break for 4 antennas!!
cf_t *dummy_offset_buffer[SRSLTE_MAX_RXANT] = {dummy_buffer0, dummy_buffer1};
cf_t *dummy_offset_buffer[SRSLTE_MAX_PORTS] = {dummy_buffer0, dummy_buffer1};
int srslte_ue_sync_init_file(srslte_ue_sync_t *q, uint32_t nof_prb, char *file_name, int offset_time, float offset_freq) {
int ret = SRSLTE_ERROR_INVALID_INPUTS;
@ -108,7 +108,7 @@ int srslte_ue_sync_start_agc(srslte_ue_sync_t *q, double (set_gain_callback)(voi
int srslte_ue_sync_init(srslte_ue_sync_t *q,
srslte_cell_t cell,
int (recv_callback)(void*, cf_t*[SRSLTE_MAX_RXANT], uint32_t,srslte_timestamp_t*),
int (recv_callback)(void*, cf_t*[SRSLTE_MAX_PORTS], uint32_t,srslte_timestamp_t*),
uint32_t nof_rx_antennas,
void *stream_handler)
{
@ -117,7 +117,7 @@ int srslte_ue_sync_init(srslte_ue_sync_t *q,
if (q != NULL &&
stream_handler != NULL &&
srslte_nofprb_isvalid(cell.nof_prb) &&
nof_rx_antennas <= SRSLTE_MAX_RXANT &&
nof_rx_antennas <= SRSLTE_MAX_PORTS &&
recv_callback != NULL)
{
ret = SRSLTE_ERROR;
@ -299,7 +299,7 @@ void srslte_ue_sync_set_agc_period(srslte_ue_sync_t *q, uint32_t period) {
q->agc_period = period;
}
static int find_peak_ok(srslte_ue_sync_t *q, cf_t *input_buffer[SRSLTE_MAX_RXANT]) {
static int find_peak_ok(srslte_ue_sync_t *q, cf_t *input_buffer[SRSLTE_MAX_PORTS]) {
if (srslte_sync_sss_detected(&q->sfind)) {
@ -433,7 +433,7 @@ static int track_peak_no(srslte_ue_sync_t *q) {
}
static int receive_samples(srslte_ue_sync_t *q, cf_t *input_buffer[SRSLTE_MAX_RXANT]) {
static int receive_samples(srslte_ue_sync_t *q, cf_t *input_buffer[SRSLTE_MAX_PORTS]) {
/* A negative time offset means there are samples in our buffer for the next subframe,
because we are sampling too fast.
@ -443,8 +443,8 @@ static int receive_samples(srslte_ue_sync_t *q, cf_t *input_buffer[SRSLTE_MAX_RX
}
/* Get N subframes from the USRP getting more samples and keeping the previous samples, if any */
cf_t *ptr[SRSLTE_MAX_RXANT];
for (int i=0;i<SRSLTE_MAX_RXANT;i++) {
cf_t *ptr[SRSLTE_MAX_PORTS];
for (int i=0;i<SRSLTE_MAX_PORTS;i++) {
ptr[i] = &input_buffer[i][q->next_rf_sample_offset];
}
if (q->recv_callback(q->stream, ptr, q->frame_len - q->next_rf_sample_offset, &q->last_timestamp) < 0) {
@ -460,7 +460,7 @@ static int receive_samples(srslte_ue_sync_t *q, cf_t *input_buffer[SRSLTE_MAX_RX
bool first_track = true;
/* Returns 1 if the subframe is synchronized in time, 0 otherwise */
int srslte_ue_sync_zerocopy(srslte_ue_sync_t *q, cf_t *input_buffer[SRSLTE_MAX_RXANT]) {
int srslte_ue_sync_zerocopy(srslte_ue_sync_t *q, cf_t *input_buffer[SRSLTE_MAX_PORTS]) {
int ret = SRSLTE_ERROR_INVALID_INPUTS;
uint32_t track_idx;

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