/*!
* \file gps_cnav_ephemeris.h
* \brief Interface of a GPS CNAV EPHEMERIS storage
* \author Javier Arribas, 2015. jarribas(at)cttc.es
*
* -------------------------------------------------------------------------
*
* Copyright (C) 2010-2018 (see AUTHORS file for a list of contributors)
*
* GNSS-SDR is a software defined Global Navigation
* Satellite Systems receiver
*
* This file is part of GNSS-SDR.
*
* GNSS-SDR is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* GNSS-SDR is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GNSS-SDR. If not, see .
*
* -------------------------------------------------------------------------
*/
#ifndef GNSS_SDR_GPS_CNAV_EPHEMERIS_H_
#define GNSS_SDR_GPS_CNAV_EPHEMERIS_H_
#include
#include
/*!
* \brief This class is a storage and orbital model functions for the GPS SV ephemeris data as described in IS-GPS-200H
*
* See http://www.gps.gov/technical/icwg/IS-GPS-200H.pdf Appendix III
*/
class Gps_CNAV_Ephemeris
{
public:
/*!
* Default constructor
*/
Gps_CNAV_Ephemeris();
uint32_t i_satellite_PRN; // SV PRN NUMBER
// Message Types 10 and 11 Parameters (1 of 2)
int32_t i_GPS_week; //!< GPS week number, aka WN [week]
int32_t i_URA; //!< ED Accuracy Index
int32_t i_signal_health; //!< Signal health (L1/L2/L5)
int32_t d_Top; //!< Data predict time of week
double d_DELTA_A; //!< Semi-major axis difference at reference time
double d_A_DOT; //!< Change rate in semi-major axis
double d_Delta_n; //!< Mean Motion Difference From Computed Value [semi-circles/s]
double d_DELTA_DOT_N; //!< Rate of mean motion difference from computed value
double d_M_0; //!< Mean Anomaly at Reference Time [semi-circles]
double d_e_eccentricity; //!< Eccentricity
double d_OMEGA; //!< Argument of Perigee [semi-cicles]
double d_OMEGA0; //!< Longitude of Ascending Node of Orbit Plane at Weekly Epoch [semi-cicles]
int32_t d_Toe1; //!< Ephemeris data reference time of week (Ref. 20.3.3.4.3 IS-GPS-200E) [s]
int32_t d_Toe2; //!< Ephemeris data reference time of week (Ref. 20.3.3.4.3 IS-GPS-200E) [s]
double d_DELTA_OMEGA_DOT; //!< Rate of Right Ascension difference [semi-circles/s]
double d_i_0; //!< Inclination Angle at Reference Time [semi-circles]
double d_IDOT; //!< Rate of Inclination Angle [semi-circles/s]
double d_Cis; //!< Amplitude of the Sine Harmonic Correction Term to the Angle of Inclination [rad]
double d_Cic; //!< Amplitude of the Cosine Harmonic Correction Term to the Angle of Inclination [rad]
double d_Crs; //!< Amplitude of the Sine Harmonic Correction Term to the Orbit Radius [m]
double d_Crc; //!< Amplitude of the Cosine Harmonic Correction Term to the Orbit Radius [m]
double d_Cus; //!< Amplitude of the Sine Harmonic Correction Term to the Argument of Latitude [rad]
double d_Cuc; //!< Amplitude of the Cosine Harmonic Correction Term to the Argument of Latitude [rad]
// Clock Correction and Accuracy Parameters
int32_t d_Toc; //!< clock data reference time (Ref. 20.3.3.3.3.1 IS-GPS-200E) [s]
double d_A_f0; //!< Coefficient 0 of code phase offset model [s]
double d_A_f1; //!< Coefficient 1 of code phase offset model [s/s]
double d_A_f2; //!< Coefficient 2 of code phase offset model [s/s^2]
double d_URA0; //!
/*!
* \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.
*/
inline void serialize(Archive& archive, const uint32_t version)
{
using boost::serialization::make_nvp;
if (version)
{
};
archive& make_nvp("i_satellite_PRN", i_satellite_PRN); // SV PRN NUMBER
archive& make_nvp("d_TOW", d_TOW); //!< Time of GPS Week of the ephemeris set (taken from subframes TOW) [s]
archive& make_nvp("d_Crs", d_Crs); //!< Amplitude of the Sine Harmonic Correction Term to the Orbit Radius [m]
archive& make_nvp("d_M_0", d_M_0); //!< Mean Anomaly at Reference Time [semi-circles]
archive& make_nvp("d_Cuc", d_Cuc); //!< Amplitude of the Cosine Harmonic Correction Term to the Argument of Latitude [rad]
archive& make_nvp("d_e_eccentricity", d_e_eccentricity); //!< Eccentricity [dimensionless]
archive& make_nvp("d_Cus", d_Cus); //!< Amplitude of the Sine Harmonic Correction Term to the Argument of Latitude [rad]
archive& make_nvp("d_Toe1", d_Toe1); //!< Ephemeris data reference time of week (Ref. 20.3.3.4.3 IS-GPS-200E) [s]
archive& make_nvp("d_Toe2", d_Toe2); //!< Ephemeris data reference time of week (Ref. 20.3.3.4.3 IS-GPS-200E) [s]
archive& make_nvp("d_Toc", d_Toc); //!< clock data reference time (Ref. 20.3.3.3.3.1 IS-GPS-200E) [s]
archive& make_nvp("d_Cic", d_Cic); //!< Amplitude of the Cosine Harmonic Correction Term to the Angle of Inclination [rad]
archive& make_nvp("d_OMEGA0", d_OMEGA0); //!< Longitude of Ascending Node of Orbit Plane at Weekly Epoch [semi-circles]
archive& make_nvp("d_Cis", d_Cis); //!< Amplitude of the Sine Harmonic Correction Term to the Angle of Inclination [rad]
archive& make_nvp("d_i_0", d_i_0); //!< Inclination Angle at Reference Time [semi-circles]
archive& make_nvp("d_Crc", d_Crc); //!< Amplitude of the Cosine Harmonic Correction Term to the Orbit Radius [m]
archive& make_nvp("d_OMEGA", d_OMEGA); //!< Argument of Perigee [semi-cicles]
archive& make_nvp("d_IDOT", d_IDOT); //!< Rate of Inclination Angle [semi-circles/s]
archive& make_nvp("i_GPS_week", i_GPS_week); //!< GPS week number, aka WN [week]
archive& make_nvp("d_TGD", d_TGD); //!< Estimated Group Delay Differential: L1-L2 correction term only for the benefit of "L1 P(Y)" or "L2 P(Y)" s users [s]
archive& make_nvp("d_ISCL1", d_ISCL1); //!< Estimated Group Delay Differential: L1P(Y)-L1C/A correction term only for the benefit of "L1 P(Y)" or "L2 P(Y)" s users [s]
archive& make_nvp("d_ISCL2", d_ISCL2); //!< Estimated Group Delay Differential: L1P(Y)-L2C correction term only for the benefit of "L1 P(Y)" or "L2 P(Y)" s users [s]
archive& make_nvp("d_ISCL5I", d_ISCL5I); //!< Estimated Group Delay Differential: L1P(Y)-L5i correction term only for the benefit of "L1 P(Y)" or "L2 P(Y)" s users [s]
archive& make_nvp("d_ISCL5Q", d_ISCL5Q); //!< Estimated Group Delay Differential: L1P(Y)-L5q correction term only for the benefit of "L1 P(Y)" or "L2 P(Y)" s users [s]
archive& make_nvp("d_DELTA_A", d_DELTA_A); //!< Semi-major axis difference at reference time [m]
archive& make_nvp("d_A_DOT", d_A_DOT); //!< Change rate in semi-major axis [m/s]
archive& make_nvp("d_DELTA_OMEGA_DOT", d_DELTA_OMEGA_DOT); //!< Rate of Right Ascension difference [semi-circles/s]
archive& make_nvp("d_A_f0", d_A_f0); //!< Coefficient 0 of code phase offset model [s]
archive& make_nvp("d_A_f1", d_A_f1); //!< Coefficient 1 of code phase offset model [s/s]
archive& make_nvp("d_A_f2", d_A_f2); //!< Coefficient 2 of code phase offset model [s/s^2]
archive& make_nvp("b_integrity_status_flag", b_integrity_status_flag);
archive& make_nvp("b_alert_flag", b_alert_flag); //!< If true, indicates that the SV URA may be worse than indicated in d_SV_accuracy, use that SV at our own risk.
archive& make_nvp("b_antispoofing_flag", b_antispoofing_flag); //!< If true, the AntiSpoofing mode is ON in that SV
}
private:
double check_t(double time);
};
#endif