mirror of https://github.com/gnss-sdr/gnss-sdr
147 lines
7.0 KiB
C++
147 lines
7.0 KiB
C++
/*!
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* \file galileo_ephemeris.h
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* \brief Interface of a Galileo EPHEMERIS storage
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* \author Javier Arribas, 2013. jarribas(at)cttc.es,
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* \author Mara Branzanti 2013. mara.branzanti(at)gmail.com
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*
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* -------------------------------------------------------------------------
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*
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* Copyright (C) 2010-2015 (see AUTHORS file for a list of contributors)
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*
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* GNSS-SDR is a software defined Global Navigation
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* Satellite Systems receiver
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*
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* This file is part of GNSS-SDR.
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*
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* GNSS-SDR is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* GNSS-SDR is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with GNSS-SDR. If not, see <http://www.gnu.org/licenses/>.
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*
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* -------------------------------------------------------------------------
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*/
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#ifndef GNSS_SDR_GALILEO_EPHEMERIS_H_
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#define GNSS_SDR_GALILEO_EPHEMERIS_H_
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#include <boost/assign.hpp>
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#include <boost/serialization/nvp.hpp>
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/*!
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* \brief This class is a storage and orbital model functions for the Galileo SV ephemeris data as described in Galileo ICD paragraph 5.1.1
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* (See https://www.gsc-europa.eu/system/files/galileo_documents/Galileo_OS_SIS_ICD.pdf )
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*
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*/
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class Galileo_Ephemeris
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{
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public:
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/* Galileo ephemeris are 16 parameters and here are reported following the ICD order, paragraph 5.1.1.
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The number in the name after underscore (_1, _2, _3 and so on) refers to the page were we can find that parameter */
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bool flag_all_ephemeris;
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int IOD_ephemeris;
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int IOD_nav_1;
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int SV_ID_PRN_4;
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double M0_1; //!< Mean anomaly at reference time [semi-circles]
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double delta_n_3; //!< Mean motion difference from computed value [semi-circles/sec]
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double e_1; //!< Eccentricity
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double A_1; //!< Square root of the semi-major axis [metres^1/2]
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double OMEGA_0_2; //!< Longitude of ascending node of orbital plane at weekly epoch [semi-circles]
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double i_0_2; //!< Inclination angle at reference time [semi-circles]
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double omega_2; //!< Argument of perigee [semi-circles]
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double OMEGA_dot_3; //!< Rate of right ascension [semi-circles/sec]
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double iDot_2; //!< Rate of inclination angle [semi-circles/sec]
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double C_uc_3; //!< Amplitude of the cosine harmonic correction term to the argument of latitude [radians]
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double C_us_3; //!< Amplitude of the sine harmonic correction term to the argument of latitude [radians]
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double C_rc_3; //!< Amplitude of the cosine harmonic correction term to the orbit radius [meters]
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double C_rs_3; //!< Amplitude of the sine harmonic correction term to the orbit radius [meters]
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double C_ic_4; //!< Amplitude of the cosine harmonic correction term to the angle of inclination [radians]
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double C_is_4; //!< Amplitude of the sine harmonic correction term to the angle of inclination [radians]
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double t0e_1; //!< Ephemeris reference time [s]
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/*Clock correction parameters*/
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double t0c_4; //!< Clock correction data reference Time of Week [sec]
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double af0_4; //!< SV clock bias correction coefficient [s]
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double af1_4; //!< SV clock drift correction coefficient [s/s]
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double af2_4; //!< SV clock drift rate correction coefficient [s/s^2]
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/*GST*/
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//Not belong to ephemeris set (page 1 to 4)
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double WN_5; //!< Week number
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double TOW_5; //!< Time of Week
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double Galileo_satClkDrift;
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double Galileo_dtr; //!< relativistic clock correction term
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// SV status
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double SISA_3;
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unsigned int E5a_HS; //!< E5a Signal Health Status
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double E5b_HS_5; //!< E5b Signal Health Status
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double E1B_HS_5; //!< E1B Signal Health Status
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bool E5a_DVS; //!< E5a Data Validity Status
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double E5b_DVS_5; //!< E5b Data Validity Status
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double E1B_DVS_5; //!< E1B Data Validity Status
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double BGD_E1E5a_5; //!< E1-E5a Broadcast Group Delay [s]
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double BGD_E1E5b_5; //!< E1-E5b Broadcast Group Delay [s]
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// satellite positions
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double d_satpos_X; //!< Earth-fixed coordinate x of the satellite [m]. Intersection of the IERS Reference Meridian (IRM) and the plane passing through the origin and normal to the Z-axis.
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double d_satpos_Y; //!< Earth-fixed coordinate y of the satellite [m]. Completes a right-handed, Earth-Centered, Earth-Fixed orthogonal coordinate system.
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double d_satpos_Z; //!< Earth-fixed coordinate z of the satellite [m]. The direction of the IERS (International Earth Rotation and Reference Systems Service) Reference Pole (IRP).
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// Satellite velocity
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double d_satvel_X; //!< Earth-fixed velocity coordinate x of the satellite [m]
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double d_satvel_Y; //!< Earth-fixed velocity coordinate y of the satellite [m]
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double d_satvel_Z; //!< Earth-fixed velocity coordinate z of the satellite [m]
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unsigned int i_satellite_PRN; //!< SV PRN NUMBER
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void satellitePosition(double transmitTime); //!< Computes the ECEF SV coordinates and ECEF velocity
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double Galileo_System_Time(double WN, double TOW); //!< Galileo System Time (GST), ICD paragraph 5.1.2
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double sv_clock_drift(double transmitTime); //!< Satellite Time Correction Algorithm, ICD 5.1.4
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double sv_clock_relativistic_term(double transmitTime); //!< Satellite Time Correction Algorithm, ICD 5.1.4
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Galileo_Ephemeris();
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template<class Archive>
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/*!
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* \brief Serialize is a boost standard method to be called by the boost XML serialization. Here is used to save the ephemeris data on disk file.
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*/
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inline void serialize(Archive& archive, const unsigned int version)
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{
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using boost::serialization::make_nvp;
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if(version){};
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archive & make_nvp("i_satellite_PRN",i_satellite_PRN);
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archive & make_nvp("M0_1", M0_1);
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archive & make_nvp("e_1", e_1);
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archive & make_nvp("A_1", A_1);
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archive & make_nvp("OMEGA_0_2", OMEGA_0_2);
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archive & make_nvp("i_0_2", i_0_2);
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archive & make_nvp("omega_2", omega_2);
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archive & make_nvp("OMEGA_dot_3", OMEGA_dot_3);
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archive & make_nvp("iDot_2", iDot_2);
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archive & make_nvp("C_uc_3", C_uc_3);
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archive & make_nvp("C_us_3", C_us_3);
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archive & make_nvp("C_rc_3", C_rc_3);
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archive & make_nvp("C_rs_3", C_rs_3);
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archive & make_nvp("C_ic_4", C_ic_4);
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archive & make_nvp("C_is_4", C_is_4);
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archive & make_nvp("t0e_1", t0e_1);
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archive & make_nvp("t0c_4", t0c_4);
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archive & make_nvp("af0_4", af0_4);
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archive & make_nvp("af1_4", af1_4);
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archive & make_nvp("af2_4", af2_4);
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}
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};
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#endif
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