Commit a0473b4d authored by Florian Kaltenberger's avatar Florian Kaltenberger

Revert "adding detection of multiple PSS."

This partially reverts commit 449da9ac.
parent 1a27089f
develop 1 128-ues 256_QAM_demod 408-reworked 408-ue-main-threads 445-LDPC-implementation-on-GPU 459-pusch-based-ta-updates 464-ru_beamforming_in_gpu 464-ru_beamforming_in_gpu-CPUsubfunction 472-add-pusch-dmrs-modes 481-ldpc-decoder-on-gpu 5g_fapi_scf LTE_TRX_on_single_port NCTU_CS_ISIP NCTU_CS_ISIP_CPU NCTU_CS_ISIP_GPU NCTU_OpinConnect_LDPC NR-PHY-MAC-IF-multi-UE NR_10MHz NR_CSI_reporting NR_DCI_01 NR_DL_sched_fixes NR_DL_scheduler NR_FAPI_beamindex_SSB_RO NR_FR2_RA NR_FR2_RRC_SSB NR_MAC_CE_GlobalEdge NR_MAC_Multi_Rach_GlobalEdge NR_MAC_SSB_RO_GlobalEdge NR_MAC_SSB_RO_UE_IDCC NR_MAC_SSB_RO_merge NR_MAC_TCI_UCI_GlobalEdge NR_NGAP NR_PDCP_noS1 NR_PUCCH_MultiUE NR_RA_updates NR_RRCConfiguragion_FR2 NR_RRCConfiguration NR_RRCConfiguration_FR2 NR_RRCConfiguration_S1U NR_RRCConfiguration_merge_develop NR_RRCConfiguration_sync_source NR_RRCConfiguration_trx_thread NR_RRC_CP_bugfix NR_RRC_PDCP NR_RRC_PRACH_procedures NR_RRC_PRACH_procedures_todevelop NR_RRC_PUSCH NR_RRC_TA NR_RRC_X2AP_AMBR_Change_Global_edge NR_RRC_X2AP_RemoveHardcodings_GlobalEdge NR_RRC_config_simplified NR_RRC_harq NR_RRC_harq_b NR_RRC_harq_hacks NR_RRC_harq_newdcipdu NR_SA_NGAP_RRC NR_SA_NGAP_RRC_wk42 NR_SA_itti_sim_wk48 NR_SCHED NR_SRB_Config NR_TRX_on_single_port NR_TRX_on_single_port2 NR_UE_MAC_scheduler NR_UE_RA_fixes NR_UE_UL_DCI_improvements NR_UE_enable_parallelization NR_UE_stability_fixes NR_UL_FAPI_programming NR_UL_scheduler NR_UL_scheduler_rebased NR_UL_scheduling NR_beamforming_test NR_gNB_SCF_Indication NR_ipaccess_testing NR_mac_uci_functions_rework NR_msg2_phytest NR_scheduling_CSIRS NR_scheduling_request NR_test_S1U_RRC_PRACH_procedures NR_ue_dlsch_dmrs_cdm OpInConnect_ISIP PUSCH_TA_update RA_CI_test UE_DL_DCI_hotfix addoptions_nr_USRPdevice bch-fixes-bitmap benetel_5g_prach_fix benetel_phase_rotation benetel_phase_rotation_old bugfix-minor-remove-wrong-log bugfix-nr-bands bugfix-nr-ldpc-post-processing bugfix-nr-ldpc-size-typo bugfix-nr-pdcp-sn-size bugfix-nr-rate-matching-assertion cce_indexing_fix cce_indexing_fix2 ci-deploy-docker-compose ci-rd-july-improvements ci-ul-iperf-from-trf-container clean-5G-scope-round2 cleanup_softmodem_main constant_power debug_branch_init_sync develop-ci develop-nr develop-nr-fr2 develop-nr-fr2-rework develop-nr_cppcheck develop-oriecpriupdates develop-sib1 develop_inria_ci_deployment develop_inria_ci_deployment_gp develop_integration_2020_w15 develop_integration_2020_w19 develop_integration_w08 dfts_alternatives dlsch-all-dlslots dlsch_encode_mthread dlsch_parallel docupdate_tools dongzhanyi-zte-develop dongzhanyi-zte-develop2 dreibh/apt-auth-fix dreibh/device-load-fix dreibh/device-load-fix-develop-branch dual-connectivity edrx extend_sharedlibusage extend_sharedlibusage2 fapi_for_dmrs_and_ptrs feat-mac-sock feature-4g-sched feature-nr-4g-nfapi-modifications feature-support-clang-format feature/make-s1-mme-port-configurable feature/make-s1-mme-port-configurable-with-astyle-fixes fembms-enb-ue finalize-oaicn-integration firas fix-ci-tun fix-clock-source fix-itti-segv fix-l2-sim fix-limeSDR-compile fix-softmodem-restart fix-warnings fix_do_ra_data fix_pdsch_low_prb fix_rfsim_mimo fix_rrc_x2_ticking fixes-mac-sched-nfapi fixes-mac-sched-tun fixes-tun flexran-apps flexran-improvements flexran-repair-mme-mgmt fr2-hw-test fujitsu_lte_contribution fujitsu_lte_contribution-128 gNB-nrUE-USRP generate_push_ptrs harq-hotfix hotfix-minor-remove-nr-rlc-cppcheck-error hotfix-nr-rlc-tick hotfix-ocp-executable hotfix-ue-musim-compilation hotfix_usrp_lib improve_build_nr_lte_merge improve_nr_modulation improve_ue_stability integration-develop-nr-2019w45 integration_2020_wk40 integration_2020_wk41 integration_2020_wk42_2 integration_2020_wk45 integration_2020_wk45_2 integration_2020_wk46 integration_2020_wk46_2 integration_2020_wk47 integration_2020_wk48 integration_2020_wk48_2 integration_2020_wk49 integration_2020_wk50 integration_2020_wk50_1 inter-RRU-final inter-RRU-nr inter-RRU-oairu inter-rru-UE interoperability-test isip_nr l2-fixes ldpc-dec-layering ldpc-decoder-codegen ldpc-decoder-codegen2 ldpc-decoder-improvements ldpc-offload ldpc_short_codeword_fixes load_gnb lte_uplink_improvement mac-fixes-wk45_2 mbms-fix-develop-nr merging-2019-w51-to-develop-nr mosaic5g-oai-ran mosaic5g-oai-sim new_rlc_2020 nfapi-bugfix nfapi_nr_develop ngap-dlul ngap-support ngap-w48-merge2 ngap-wf ngap-wf-1120 ngap-wf-1120-srb ngap-wf-1120-srb-gtp ngap-wf-1120-srb-gtp-hs ngap-wf-1120-srb-gtp-hs1 ngap-wf-1120-srb-gtp-hs2 ngap-wf-1203-yunsdr ngap-wf-liuyu ngap_lfq_1120 ngap_merge noCore nr-coreset-bug-fix nr-dlsch-multi-thread nr-dlsch-thread nr-dual-connectivity nr-interdigital-test nr-ip-uplink-noS1 nr-mac-pdu-wireshark nr-mac-remove-ue-list nr-multiple-ssb nr-pdcp nr-pdsch-extraction-bugfix nr-physim-update nr-rlc-am-bugfix-w44 nr-rlc-bugfix-w44 nr-ssb-measurements nr-timing-measurement nr-timing-measurement-merge nr-ue-buffer-status nr-uldci nrUE nrUE-hs nrUE-upper-layer nr_beamforming nr_bsr nr_ci_dlsim nr_csi_newbranch nr_demo_wsa2019 nr_dl_dmrs_type2 nr_dl_pf nr_dl_pf2 nr_dl_ul_ptrs nr_dlsch_parallel_measurements nr_dlsim_plot nr_fapi_for_push_tmp nr_fdd_if_fix nr_fix_easycppcheck nr_flexible_NRBDL nr_improve_build_procedures nr_increase_tp nr_pdcch_testing nr_pdcch_updates nr_polar_decoder_improvement nr_prach nr_prach_fr2 nr_pucch nr_pucch2 nr_segmentation_fixes nr_sim_fix nr_tdd_configuration nr_ue_msg3 nr_ue_tti_cleanup nr_vcd nrue-multi-thread nrue_msg2_reception nsa-ue nsa_remove_band_hardcodings oai-sim oai-ubuntu-docker oai-ubuntu-docker-for-lmssdr oairu oc-docker-october-improvements openxg/develop pdcp-benchmark pdsch-ch-est polar8 ptrs_rrc_config pusch-mthread-scaling-fix ra-dl-ul reduce_memory_footprint remove-ci-workaround remove_nos1_hack_pdcp remove_x2_gnb_hardcoding repair-TA revert-f5c94279 revert_memcpy rh_ci_fix_autoterminate rh_ci_fr1_update rh_ci_oc rh_ci_py rh_ci_rfsim_ra rh_doc_update_3 rh_fr1_newjenkins rh_fr1_update rh_gnb_compile_fix rh_wk50_debug rlc-v2-bugfix-status-reporting rlc-v2-tick rlc_v2_coverity_fixes rrc-enb-phy-testmode ru-parallel-beamforming runel runel-reverse-test s1_subnormal s1ap-bugfix-rab_setup small-bugfixes-w40 smallcleanup softmodem_cleanup split73 test-x310-perf testing_2symb_pdcch testing_with_external_txdata thread-pool tools_5Gadapt tp-ota-test trx_thread_param trx_write_thread ue-csi ue-fixes-ota ue-updates-runel-test ue_adjust_gain ue_dlsch-multi-threading ue_dlsch_decoding_ldpc_offload ue_nfapi_mch uhd_priority_set_cleanup ul_dl_dci_same_slot ul_harq ulsch_decode_mthread ulsim_changes update-to-2019-march-june-release usrp_fix_adc_shift_and_pps_sync usrp_gpio_test x2-endc-processing yihongzheng_srb zzs
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......@@ -803,47 +803,25 @@ static inline int64_t abs64(int64_t x)
#define DOT_PRODUCT_SCALING_SHIFT (17)
int max3(int64_t a, int64_t b, int64_t c) {
if (a>b) {
if (a>c) {
return(0);
}
else {
return(2);
}
}
else {
if (b>c) {
return(1);
}
else {
return(2);
}
}
}
int pss_search_time_nr(int **rxdata, ///rx data in time domain
NR_DL_FRAME_PARMS *frame_parms,
int *eNB_id)
{
uint8_t L_max = 4;
unsigned int m, n, ar, n_peaks=0;
unsigned int peak_position[3*L_max], pss_source[3*L_max];
int64_t peak_value, threshold;
unsigned int n, ar, peak_position, pss_source;
int64_t peak_value;
int64_t result;
int64_t avg[NUMBER_PSS_SEQUENCE];
uint8_t found_peak=0;
unsigned int length = (NR_NUMBER_OF_SUBFRAMES_PER_FRAME*frame_parms->samples_per_subframe); /* 1 frame for now, it should be 2 TODO_NR */
AssertFatal(length>0,"illegal length %d\n",length);
for (int i = 0; i < NUMBER_PSS_SEQUENCE; i++) AssertFatal(pss_corr_ue[i] != NULL,"pss_corr_ue[%d] not yet allocated! Exiting.\n", i);
for (int i=0;i<4;i++) {
peak_position[i] = length; //max possible value
pss_source[i] = 0;
}
peak_value = 0;
peak_position = 0;
pss_source = 0;
int maxval=0;
for (int i=0;i<2*(frame_parms->ofdm_symbol_size);i++) {
......@@ -866,10 +844,10 @@ int pss_search_time_nr(int **rxdata, ///rx data in time domain
memset(pss_corr_ue[pss_index],0,length*sizeof(int64_t));
}
for (int pss_index = 0; pss_index < NUMBER_PSS_SEQUENCE; pss_index++) {
for (n=0; n < length; n+=4) { //
for (int pss_index = 0; pss_index < NUMBER_PSS_SEQUENCE; pss_index++) {
if ( n < (length - frame_parms->ofdm_symbol_size)) {
/* calculate dot product of primary_synchro_time_nr and rxdata[ar][n] (ar=0..nb_ant_rx) and store the sum in temp[n]; */
......@@ -892,40 +870,27 @@ int pss_search_time_nr(int **rxdata, ///rx data in time domain
/* calculate the absolute value of sync_corr[n] */
avg[pss_index]+=pss_corr_ue[pss_index][n];
}
if (pss_corr_ue[pss_index][n] > peak_value) {
peak_value = pss_corr_ue[pss_index][n];
peak_position = n;
pss_source = pss_index;
avg[pss_index]/=(length/4);
#ifdef DEBUG_PSS_NR
printf("pss_index %d: n %6d peak_value %15llu\n", pss_index, n, (unsigned long long)pss_corr_ue[pss_index][n]);
#endif
}
}
}
threshold = 10*avg[max3(avg[0],avg[1],avg[2])];
peak_value = threshold;
for (n=0; n < length; n+=4) {
for (int pss_index = 0; pss_index < NUMBER_PSS_SEQUENCE; pss_index++) avg[pss_index]/=(length/4);
m = max3(pss_corr_ue[0][n],pss_corr_ue[1][n],pss_corr_ue[2][n]);
*eNB_id = pss_source;
if (pss_corr_ue[m][n] > peak_value) {
peak_value = pss_corr_ue[m][n];
peak_position[n_peaks] = n;
pss_source[n_peaks] = m;
found_peak = 1;
}
if ((peak_position[n_peaks]+4*(frame_parms->ofdm_symbol_size+frame_parms->nb_prefix_samples)<n) &&
(found_peak==1)) {
//#ifdef DEBUG_PSS_NR
printf("peak %d found at pss_index %d, n %6d, peak_value %15llu\n", n_peaks, pss_source[n_peaks], peak_position[n_peaks], (unsigned long long)pss_corr_ue[ pss_source[n_peaks]][peak_position[n_peaks]]);
//#endif
peak_value = threshold;
found_peak = 0;
n_peaks++;
//if (n_peaks==L_max) break;
}
}
LOG_I(PHY,"[UE] nr_synchro_time: Sync source = %d, Peak found at pos %d, val = %llu (%d dB) avg %d dB\n", pss_source, peak_position, (unsigned long long)peak_value, dB_fixed64(peak_value),dB_fixed64(avg[pss_source]));
*eNB_id = pss_source[0];
if (peak_value < 5*avg[pss_source])
return(-1);
//LOG_I(PHY,"[UE] nr_synchro_time: Sync source = %d, Peak found at pos %d, val = %llu (%d dB) avg %d dB\n", pss_source, peak_position, (unsigned long long)peak_value, dB_fixed64(peak_value),dB_fixed64(avg[pss_source]));
#ifdef DBG_PSS_NR
......@@ -942,6 +907,6 @@ int pss_search_time_nr(int **rxdata, ///rx data in time domain
#endif
return(peak_position[0]);
return(peak_position);
}
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