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Merge branch 'fix-gps-l5-assistance-gating' of https://github.com/joebre/gnss-sdr into joebre-fix-gps-l5-assistance-gating

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Carles Fernandez
2026-09-28 14:07:28 +02:00
parent 9e35452d19 bf8df18ba5
commit 0dd0ea3681
1 changed files with 12 additions and 1 deletions
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src/core/receiver/control_thread.cc
+12 -1
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@@ -534,7 +534,18 @@ bool ControlThread::read_assistance_from_XML()
std::cout << "Trying to read GNSS ephemeris from XML file(s)...\n";
if ((configuration_->property("Channels_1C.count", 0) > 0) || (configuration_->property("Channels_J1.count", 0) > 0))
// GPS/QZSS UTC, iono and almanac data are broadcast system-wide parameters, not
// specific to the L1 C/A signal -- L5/L2C channels rely on the exact same almanac
// (via the PRN-keyed map PVT and the visibility/Doppler-assist logic read from) for
// visibility classification and Doppler prediction just as much as L1 C/A does. Gating
// this whole block on Channels_1C/Channels_J1 alone meant an L5-or-L2C-only
// configuration never even attempted to load its almanac, UTC or iono files -- not
// because those files were missing or invalid, but because the code never asked for
// them. The L1 C/A LNAV ephemeris load stays inside this same block (L5/L2C use their
// own separately-gated CNAV ephemeris below); requesting it is harmless when no L1C
// channel exists to use it.
if ((configuration_->property("Channels_1C.count", 0) > 0) || (configuration_->property("Channels_J1.count", 0) > 0) ||
(configuration_->property("Channels_2S.count", 0) > 0) || (configuration_->property("Channels_L5.count", 0) > 0))
{
if (supl_client_ephemeris_.load_ephemeris_xml(eph_xml_filename) == true)
{