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Temporary bug fix related to the GPS L1 C/A symbol TOW assignation. Position accuracy improvement confirmed. In-deep review is being done

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Javier Arribas
2017-08-01 17:03:31 +02:00
parent 94a4a0fdcf
commit 1574e277d7
3 changed files with 81 additions and 17 deletions
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2
src/algorithms/telemetry_decoder/gnuradio_blocks/gps_l1_ca_telemetry_decoder_cc.cc
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@@ -350,7 +350,7 @@ int gps_l1_ca_telemetry_decoder_cc::general_work (int noutput_items __attribute_
//double decoder_latency_ms=(double)(current_symbol.Tracking_sample_counter-d_symbol_history.at(0).Tracking_sample_counter)
// /(double)current_symbol.fs;
// update TOW at the preamble instant (account with decoder latency)
d_TOW_at_Preamble = d_GPS_FSM.d_nav.d_TOW + GPS_L1_CA_CODE_PERIOD + GPS_CA_PREAMBLE_DURATION_S;
d_TOW_at_Preamble = d_GPS_FSM.d_nav.d_TOW + 2*GPS_L1_CA_CODE_PERIOD + GPS_CA_PREAMBLE_DURATION_S;
d_TOW_at_current_symbol = floor(d_TOW_at_Preamble*1000.0)/1000.0;
flag_TOW_set = true;