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srsRAN_4G
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Merge branch 'next' into rlc_am_ul_bug

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master
Andre Puschmann 7 years ago
parent 22117156b3 c429f3031f
commit b3beb58edf
15 changed files with 99 additions and 43 deletions
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2
CMakeLists.txt
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@ -371,7 +371,7 @@ if(RF_FOUND)
message(STATUS "Building with srsENB")
add_subdirectory(srsenb)
else(ENABLE_SRSENB)
message(STATUS "srsUE build disabled")
message(STATUS "srsENB build disabled")
endif(ENABLE_SRSENB)
else(RF_FOUND)
message(STATUS "srsUE and srsENB builds disabled due to missing RF driver")

4
lib/examples/pdsch_ue.c
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@ -162,8 +162,8 @@ void usage(prog_args_t *args, char *prog) {
printf("\t-r RNTI in Hex [Default 0x%x]\n",args->rnti);
printf("\t-l Force N_id_2 [Default best]\n");
printf("\t-C Disable CFO correction [Default %s]\n", args->disable_cfo?"Disabled":"Enabled");
printf("\t-F Enable RS-based CFO correction [Default %s]\n", args->enable_cfo_ref?"Disabled":"Enabled");
printf("\t-R Average channel estimates on 1 ms [Default %s]\n", args->average_subframe?"Disabled":"Enabled");
printf("\t-F Enable RS-based CFO correction [Default %s]\n", !args->enable_cfo_ref?"Disabled":"Enabled");
printf("\t-R Average channel estimates on 1 ms [Default %s]\n", !args->average_subframe?"Disabled":"Enabled");
printf("\t-t Add time offset [Default %d]\n", args->time_offset);
#ifndef DISABLE_GRAPHICS
printf("\t-d disable plots [Default enabled]\n");

1
lib/include/srslte/radio/radio.h
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@ -101,6 +101,7 @@ namespace srslte {
void set_tx_freq(double freq);
void set_rx_freq(double freq);
double get_freq_offset();
double get_tx_freq();
double get_rx_freq();

12
lib/src/phy/ch_estimation/chest_dl.c
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@ -282,10 +282,14 @@ static float estimate_noise_pilots(srslte_chest_dl_t *q, uint32_t port_id, srslt
/* Compute average power. Normalized for filter len 3 using matlab */
float norm = 1;
if (q->smooth_filter_len == 3) {
float a = q->smooth_filter[0];
float norm3 = 6.143*a*a+0.04859*a-0.002774;
norm /= norm3;
if (q->average_subframe) {
norm = 32;
} else {
if (q->smooth_filter_len == 3) {
float a = q->smooth_filter[0];
float norm3 = 6.143*a*a+0.04859*a-0.002774;
norm /= norm3;
}
}
float power = norm*q->cell.nof_ports*srslte_vec_avg_power_cf(q->tmp_noise, nref);
return power;

2
lib/src/phy/fec/viterbi37_neon.c
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@ -176,7 +176,7 @@ void print_uint8x16_t(char *s, uint8x16_t val) {
printf("\n");
}
int movemask_neon(uint8x16_t movemask_low_in)
static inline int movemask_neon(uint8x16_t movemask_low_in)
{
uint8x8_t lo = vget_low_u8(movemask_low_in);
uint8x8_t hi = vget_high_u8(movemask_low_in);

3
lib/src/phy/phch/dci.c
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@ -426,7 +426,8 @@ uint32_t srslte_dci_dl_info(char *info_str, uint32_t len, srslte_ra_dl_dci_t *dc
n += snprintf(&info_str[n], len - n, "%d}, ", dci_msg->ndi_1);
}
if (format == SRSLTE_DCI_FORMAT1 || format == SRSLTE_DCI_FORMAT1A || format == SRSLTE_DCI_FORMAT1B) {
if (format == SRSLTE_DCI_FORMAT1 || format == SRSLTE_DCI_FORMAT1A || format == SRSLTE_DCI_FORMAT1B ||
format == SRSLTE_DCI_FORMAT2 || format == SRSLTE_DCI_FORMAT2A || format == SRSLTE_DCI_FORMAT2B) {
n += snprintf(&info_str[n], len-n, "tpc_pucch=%d, ", dci_msg->tpc_pucch);
}
if (format == SRSLTE_DCI_FORMAT2 || format == SRSLTE_DCI_FORMAT2A || format == SRSLTE_DCI_FORMAT2B) {

7
lib/src/phy/phch/test/pdsch_pdcch_file_test.c
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@ -175,6 +175,10 @@ int main(int argc, char **argv) {
}
uint8_t *data[] = {malloc(100000)};
if (!data[0]) {
perror("malloc");
exit(-1);
}
ret = -1;
nof_frames = 0;
@ -195,7 +199,8 @@ int main(int argc, char **argv) {
} while (nof_frames <= max_frames && ret == 0);
base_free();
free(data[0]);
if (data[0])
free(data[0]);
if (ret > 0) {
exit(0);
} else {

12
lib/src/phy/phch/test/pmch_file_test.c
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@ -181,13 +181,17 @@ int main(int argc, char **argv) {
exit(-1);
}
uint8_t *data[] = {malloc(100000)};
uint8_t *data = malloc(100000);
if (!data) {
perror("malloc");
exit(-1);
}
ret = -1;
srslte_filesource_read(&fsrc, input_buffer[0], flen);
INFO("Reading %d samples sub-frame %d\n", flen, sf_idx);
ret = srslte_ue_dl_decode_mbsfn(&ue_dl, data[0], sf_idx);
ret = srslte_ue_dl_decode_mbsfn(&ue_dl, data, sf_idx);
if(ret > 0) {
printf("PMCH Decoded OK!\n");
} else if (ret < 0) {
@ -195,7 +199,9 @@ int main(int argc, char **argv) {
}
base_free();
free(data[0]);
if (data != NULL) {
free(data);
}
if (ret > 0) {
exit(0);
} else {

11
lib/src/phy/ue/ue_ul.c
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@ -626,13 +626,12 @@ int srslte_ue_ul_sr_send_tti(uint32_t I_sr, uint32_t current_tti) {
} else {
return SRSLTE_ERROR;
}
uint32_t sfn = current_tti/10;
uint32_t subf = current_tti%10;
if ((10*sfn+subf-sr_N_offset)%sr_periodicity==0) {
return 1;
} else {
return SRSLTE_SUCCESS;
if (current_tti >= sr_N_offset) {
if ((current_tti - sr_N_offset) % sr_periodicity == 0) {
return 1;
}
}
return SRSLTE_SUCCESS;
}

5
lib/src/radio/radio.cc
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@ -313,6 +313,11 @@ double radio::get_rx_freq()
return rx_freq;
}
double radio::get_freq_offset()
{
return freq_offset;
}
double radio::get_tx_freq()
{
return tx_freq;

11
srsenb/src/mac/scheduler.cc
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@ -864,16 +864,7 @@ int sched::ul_sched(uint32_t tti, srsenb::sched_interface::ul_sched_res_t* sched
printf("SCHED: Could not schedule UL DCI rnti=0x%x, pid=%d, L=%d, sf_idx=%d\n",
rnti, h->get_id(), aggr_level, sf_idx);
sched_ue::sched_dci_cce_t *loc=user->get_locations(current_cfi, sf_idx);
for (int i=0;i<loc->nof_loc[aggr_level];i++) {
printf("n=%d\n", loc->cce_start[aggr_level][i]);
}
printf("used=[");
for (int i=0;i<MAX_CCE;i++) {
printf("%d,", used_cce[i]);
}
printf("\n");
sched_result->pusch[nof_dci_elems].needs_pdcch = false;
sched_result->pusch[nof_dci_elems].needs_pdcch = false;
} else {
sched_result->pusch[nof_dci_elems].needs_pdcch = true;
}

2
srsepc/user_db.csv.example
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@ -10,4 +10,4 @@
#
# Note: Lines starting by '#' are ignored
ue1,001010123456789,00112233445566778899aabbccddeeff,63BFA50EE6523365FF14C1F45F88737D,9001
ue2,001010123456780,00112233445566778899aabbccddeeaa,63BFA50EE6523365FF14C1F45F88737D,2000
ue2,001010123456780,00112233445566778899aabbccddeeaa,63BFA50EE6523365FF14C1F45F88737D,8000

4
srsue/hdr/mac/ul_harq.h
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@ -206,7 +206,7 @@ private:
{
if (ack) {
if (grant) {
if (grant->ndi[0] == get_ndi()) {
if (grant->ndi[0] == get_ndi() && grant->phy_grant.ul.mcs.tbs != 0) {
*ack = false;
}
}
@ -215,7 +215,7 @@ private:
// Reset HARQ process if TB has changed
if (harq_feedback && has_grant() && grant) {
if (grant->n_bytes[0] != cur_grant.n_bytes[0] && cur_grant.n_bytes[0] > 0) {
if (grant->n_bytes[0] != cur_grant.n_bytes[0] && cur_grant.n_bytes[0] > 0 && grant->n_bytes[0] > 0) {
Debug("UL %d: Reset due to change of grant size last_grant=%d, new_grant=%d\n",
pid, cur_grant.n_bytes[0], grant->n_bytes[0]);
reset();

2
srsue/hdr/phy/phch_worker.h
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@ -70,6 +70,8 @@ public:
void start_plot();
float get_ref_cfo();
float get_cfo();
float get_ul_cfo();
private:
/* Inherited from thread_pool::worker. Function called every subframe to run the DL/UL processing */

64
srsue/src/phy/phch_worker.cc
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@ -203,6 +203,25 @@ float phch_worker::get_ref_cfo()
return srslte_chest_dl_get_cfo(&ue_dl.chest);
}
float phch_worker::get_cfo()
{
return cfo;
}
float phch_worker::get_ul_cfo() {
srslte::radio *radio = phy->get_radio();
if (radio->get_freq_offset() != 0.0f) {
/* Compensates the radio frequency offset applied equally to DL and UL */
const float ul_dl_ratio = (float) radio->get_tx_freq() / (float) radio->get_rx_freq();
const float offset_hz = (float) radio->get_freq_offset() * (1.0f - ul_dl_ratio);
return cfo - offset_hz / (15000);
} else {
return cfo;
}
}
void phch_worker::work_imp()
{
if (!cell_initiated) {
@ -324,7 +343,7 @@ void phch_worker::work_imp()
}
/* Set UL CFO before transmission */
srslte_ue_ul_set_cfo(&ue_ul, cfo);
srslte_ue_ul_set_cfo(&ue_ul, get_ul_cfo());
/* Transmit PUSCH, PUCCH or SRS */
bool signal_ready = false;
@ -367,7 +386,7 @@ void phch_worker::work_imp()
update_measurements();
if (chest_ok) {
if (phy->avg_rsrp_dbm > -130.0 && 10*log10(srslte_chest_dl_get_snr(&ue_dl.chest)) > -30.0) {
if (phy->avg_rsrp_dbm > -130.0 && phy->avg_snr_db > -30.0) {
log_h->debug("SNR=%.1f dB, RSRP=%.1f dBm sync=in-sync from channel estimator\n",
10*log10(srslte_chest_dl_get_snr(&ue_dl.chest)), phy->avg_rsrp_dbm);
chest_loop->in_sync();
@ -931,7 +950,7 @@ void phch_worker::set_uci_aperiodic_cqi()
int cqi_len = srslte_cqi_value_pack(&cqi_report, uci_data.uci_cqi);
if (cqi_len < 0) {
Error("Error packing CQI value (Aperiodic reporting mode RM31).");
Error("Error packing CQI value (Aperiodic reporting mode RM30).");
return;
}
uci_data.uci_cqi_len = (uint32_t) cqi_len;
@ -940,11 +959,16 @@ void phch_worker::set_uci_aperiodic_cqi()
srslte_cqi_to_str(uci_data.uci_cqi, uci_data.uci_cqi_len, cqi_str, SRSLTE_CQI_STR_MAX_CHAR);
/* Set RI = 1 */
uci_data.uci_ri = ri;
uci_data.uci_ri_len = 1;
if (phy->config->dedicated.antenna_info_explicit_value.tx_mode == LIBLTE_RRC_TRANSMISSION_MODE_3 ||
phy->config->dedicated.antenna_info_explicit_value.tx_mode == LIBLTE_RRC_TRANSMISSION_MODE_4) {
uci_data.uci_ri = ri;
uci_data.uci_ri_len = 1;
} else {
uci_data.uci_ri_len = 0;
}
Info("PUSCH: Aperiodic RM30 ri%s, CQI=%s, SNR=%.1f dB, for %d subbands\n",
(uci_data.uci_ri == 0)?"=1":"~1", cqi_str, phy->avg_snr_db, cqi_report.subband_hl.N);
Info("PUSCH: Aperiodic RM30 CQI=%s, %sSNR=%.1f dB, for %d subbands\n",
cqi_str, (uci_data.uci_ri_len)?((uci_data.uci_ri == 0)?"ri=0, ":"ri=1, "):"", phy->avg_snr_db, cqi_report.subband_hl.N);
}
break;
case LIBLTE_RRC_CQI_REPORT_MODE_APERIODIC_RM31:
@ -1471,6 +1495,13 @@ plot_scatter_t pconst;
float tmp_plot[SCATTER_PDSCH_BUFFER_LEN];
cf_t tmp_plot2[SRSLTE_SF_LEN_RE(SRSLTE_MAX_PRB, SRSLTE_CP_NORM)];
#define CFO_PLOT_LEN 0 /* Set to non zero for enabling CFO plot */
#if CFO_PLOT_LEN > 0
static plot_real_t pcfo;
static uint32_t icfo = 0;
static float cfo_buffer[CFO_PLOT_LEN];
#endif /* CFO_PLOT_LEN > 0 */
void *plot_thread_run(void *arg) {
srsue::phch_worker *worker = (srsue::phch_worker*) arg;
@ -1495,10 +1526,14 @@ void *plot_thread_run(void *arg) {
plot_scatter_addToWindowGrid(&pconst, (char*)"srsue", 0, worker->get_rx_nof_antennas());
#if CFO_PLOT_LEN > 0
plot_real_init(&pcfo);
plot_real_setTitle(&pcfo, (char*) "CFO (Hz)");
plot_real_setLabels(&pcfo, (char *) "Time", (char *) "Hz");
plot_real_setYAxisScale(&pcfo, -4000, 4000);
plot_scatter_addToWindowGrid(&pcfo, (char*)"srsue", 1, worker->get_rx_nof_antennas());
#endif /* CFO_PLOT_LEN > 0 */
int n;
int readed_pdsch_re=0;
@ -1522,7 +1557,14 @@ void *plot_thread_run(void *arg) {
}
readed_pdsch_re = 0;
}
}
#if CFO_PLOT_LEN > 0
cfo_buffer[icfo] = worker->get_cfo() * 15000.0f;
icfo = (icfo + 1)%CFO_PLOT_LEN;
plot_real_setNewData(&pcfo, cfo_buffer, CFO_PLOT_LEN);
#endif /* CFO_PLOT_LEN > 0 */
}
return NULL;
}

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