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GLONASS Observables: Fixes bug in TOW updating

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Fixes bug in TOW update when a new value has been computed. This adds a
new flag to keep track of TOW update given the tk component. The code
fix improves the pseudorange measurement for code
This commit is contained in:
Damian Miralles
2017-10-02 23:00:45 -06:00
parent 7cc27df082
commit e0dfd90916
5 changed files with 14 additions and 16 deletions
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5
src/algorithms/telemetry_decoder/gnuradio_blocks/glonass_l1_ca_telemetry_decoder_cc.cc
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@@ -351,10 +351,11 @@ int glonass_l1_ca_telemetry_decoder_cc::general_work (int noutput_items __attrib
// UPDATE GNSS SYNCHRO DATA
//2. Add the telemetry decoder information
if (this->d_flag_preamble == true and d_nav.flag_TOW_set == true)
if (this->d_flag_preamble == true and d_nav.flag_TOW_new == true)
//update TOW at the preamble instant
{
d_TOW_at_current_symbol = floor((d_nav.d_TOW + 2*GLONASS_L1_CA_CODE_PERIOD + GLONASS_GNAV_PREAMBLE_DURATION_S)*1000.0)/1000.0;
d_TOW_at_current_symbol = floor((d_nav.d_TOW - GLONASS_GNAV_PREAMBLE_DURATION_S)*1000.0)/1000.0;
d_nav.flag_TOW_new = false;
}
else //if there is not a new preamble, we define the TOW of the current symbol