GNSS-SDR 0.0.21
An Open Source GNSS Software Defined Receiver
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beidou_dnav_ephemeris.h
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1/*!
2 * \file beidou_dnav_ephemeris.h
3 * \brief Interface of a BEIDOU EPHEMERIS storage
4 * \author Sergi Segura, 2018. sergi.segura.munoz(at)gmail.com
5 *
6 * -----------------------------------------------------------------------------
7 *
8 * GNSS-SDR is a Global Navigation Satellite System software-defined receiver.
9 * This file is part of GNSS-SDR.
10 *
11 * Copyright (C) 2010-2020 (see AUTHORS file for a list of contributors)
12 * SPDX-License-Identifier: GPL-3.0-or-later
13 *
14 * -----------------------------------------------------------------------------
15 */
16
17
18#ifndef GNSS_SDR_BEIDOU_DNAV_EPHEMERIS_H
19#define GNSS_SDR_BEIDOU_DNAV_EPHEMERIS_H
20
21#include "gnss_ephemeris.h"
22#include <boost/serialization/nvp.hpp>
23#include <map>
24#include <string>
25
26/** \addtogroup Core
27 * \{ */
28/** \addtogroup System_Parameters
29 * \{ */
30
31
32/*!
33 * \brief This is a storage class for the Beidou SV ephemeris data as described in
34 * BeiDou Navigation Satellite System Signal In Space Interface Control Document
35 * Open Service Signal B1I (Version 3.0)
36 *
37 * See http://en.beidou.gov.cn/SYSTEMS/Officialdocument/201902/P020190227601370045731.pdf
38 */
39class Beidou_Dnav_Ephemeris : public Gnss_Ephemeris
40{
41public:
42 /*!
43 * Default constructor
44 */
46
47 int SV_accuracy{}; //!< User Range Accuracy (URA) index of the SV (reference paragraph 5.2.4.5) for the standard positioning service user
48 int SV_health{};
49 double TGD1{}; //!< Estimated Group Delay Differential on B1I [s]
50 double TGD2{}; //!< Estimated Group Delay Differential on B2I [s]
51 double AODC{}; //!< Age of Data, Clock
52 double AODE{}; //!< Age of Data, Ephemeris
53 int AODO{}; //!< Age of Data Offset (AODO) term for the navigation message correction table (NMCT) contained in subframe 4 (reference paragraph 20.3.3.5.1.9) [s]
54
55 int sig_type{}; //!< BDS: data source (0:unknown,1:B1I,2:B1Q,3:B2I,4:B2Q,5:B3I,6:B3Q) */
56 int nav_type{}; //!< BDS: nav type (0:unknown,1:IGSO/MEO,2:GEO) */
57
58 bool fit_interval_flag{}; //!< Curve-fit interval used by the CS (Block II/IIA/IIR/IIR-M/IIF) and SS (Block IIIA) in determining the ephemeris parameters, as follows: 0 = 4 hours, 1 = greater than 4 hours.
59 double spare1{};
60 double spare2{};
61
62 /*! \brief If true, enhanced level of integrity assurance.
63 *
64 * If false, indicates that the conveying signal is provided with the
65 * legacy level of integrity assurance. That is, the probability that the
66 * instantaneous URE of the conveying signal exceeds 4.42 times the upper
67 * bound value of the current broadcast URA index, for more than 5.2
68 * seconds, without an accompanying alert, is less than 1E-5 per hour. If
69 * true, indicates that the conveying signal is provided with an enhanced
70 * level of integrity assurance. That is, the probability that the
71 * instantaneous URE of the conveying signal exceeds 5.73 times the upper
72 * bound value of the current broadcast URA index, for more than 5.2
73 * seconds, without an accompanying alert, is less than 1E-8 per hour.
74 */
76 bool 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.
77 bool antispoofing_flag{}; //!< If true, the AntiSpoofing mode is ON in that SV
78
79 std::map<int, std::string> satelliteBlock; //!< Map that stores to which block the PRN belongs
80
81 template <class Archive>
82
83 /*!
84 * \brief Serialize is a boost standard method to be called by the boost XML
85 * serialization. Here is used to save the ephemeris data on disk file.
86 */
87 void serialize(Archive& archive, const unsigned int version)
88 {
89 using boost::serialization::make_nvp;
90 if (version)
91 {
92 };
93
94 archive& BOOST_SERIALIZATION_NVP(PRN);
95 archive& BOOST_SERIALIZATION_NVP(M_0);
96 archive& BOOST_SERIALIZATION_NVP(delta_n);
97 archive& BOOST_SERIALIZATION_NVP(ecc);
98 archive& BOOST_SERIALIZATION_NVP(sqrtA);
99 archive& BOOST_SERIALIZATION_NVP(OMEGA_0);
100 archive& BOOST_SERIALIZATION_NVP(i_0);
101 archive& BOOST_SERIALIZATION_NVP(omega);
102 archive& BOOST_SERIALIZATION_NVP(OMEGAdot);
103 archive& BOOST_SERIALIZATION_NVP(idot);
104 archive& BOOST_SERIALIZATION_NVP(Cuc);
105 archive& BOOST_SERIALIZATION_NVP(Cus);
106 archive& BOOST_SERIALIZATION_NVP(Crc);
107 archive& BOOST_SERIALIZATION_NVP(Crs);
108 archive& BOOST_SERIALIZATION_NVP(Cic);
109 archive& BOOST_SERIALIZATION_NVP(Cis);
110 archive& BOOST_SERIALIZATION_NVP(toe);
111 archive& BOOST_SERIALIZATION_NVP(toc);
112 archive& BOOST_SERIALIZATION_NVP(af0);
113 archive& BOOST_SERIALIZATION_NVP(af1);
114 archive& BOOST_SERIALIZATION_NVP(af2);
115 archive& BOOST_SERIALIZATION_NVP(WN);
116 archive& BOOST_SERIALIZATION_NVP(tow);
117 archive& BOOST_SERIALIZATION_NVP(satClkDrift);
118 archive& BOOST_SERIALIZATION_NVP(dtr);
119
120 archive& BOOST_SERIALIZATION_NVP(AODE);
121 archive& BOOST_SERIALIZATION_NVP(SV_accuracy);
122 archive& BOOST_SERIALIZATION_NVP(SV_health);
123 archive& BOOST_SERIALIZATION_NVP(AODC);
124 archive& BOOST_SERIALIZATION_NVP(TGD1);
125 archive& BOOST_SERIALIZATION_NVP(TGD2);
126 archive& BOOST_SERIALIZATION_NVP(sig_type);
127 archive& BOOST_SERIALIZATION_NVP(nav_type);
128 archive& BOOST_SERIALIZATION_NVP(AODO);
129 archive& BOOST_SERIALIZATION_NVP(fit_interval_flag);
130 archive& BOOST_SERIALIZATION_NVP(spare1);
131 archive& BOOST_SERIALIZATION_NVP(spare2);
132 archive& BOOST_SERIALIZATION_NVP(integrity_status_flag);
133 archive& BOOST_SERIALIZATION_NVP(alert_flag);
134 archive& BOOST_SERIALIZATION_NVP(antispoofing_flag);
135 }
136};
137
138
139/** \} */
140/** \} */
141#endif // GNSS_SDR_BEIDOU_DNAV_EPHEMERIS_H
double AODC
Age of Data, Clock.
double AODE
Age of Data, Ephemeris.
int sig_type
BDS: data source (0:unknown,1:B1I,2:B1Q,3:B2I,4:B2Q,5:B3I,6:B3Q) *‍/.
std::map< int, std::string > satelliteBlock
Map that stores to which block the PRN belongs.
bool fit_interval_flag
Curve-fit interval used by the CS (Block II/IIA/IIR/IIR-M/IIF) and SS (Block IIIA) in determining the...
int AODO
Age of Data Offset (AODO) term for the navigation message correction table (NMCT) contained in subfra...
bool integrity_status_flag
If true, enhanced level of integrity assurance.
int SV_accuracy
User Range Accuracy (URA) index of the SV (reference paragraph 5.2.4.5) for the standard positioning ...
double TGD2
Estimated Group Delay Differential on B2I [s].
bool alert_flag
If true, indicates that the SV URA may be worse than indicated in d_SV_accuracy, use that SV at our o...
int nav_type
BDS: nav type (0:unknown,1:IGSO/MEO,2:GEO) *‍/.
bool antispoofing_flag
If true, the AntiSpoofing mode is ON in that SV.
double TGD1
Estimated Group Delay Differential on B1I [s].
void serialize(Archive &archive, const unsigned int version)
Serialize is a boost standard method to be called by the boost XML serialization. Here is used to sav...
double OMEGA_0
Longitude of ascending node of orbital plane at weekly epoch [rad].
double sqrtA
Square root of the semi-major axis [meters^1/2].
double M_0
Mean anomaly at reference time [rad].
double af0
SV clock bias correction coefficient [s].
double Crc
Amplitude of the cosine harmonic correction term to the orbit radius [meters].
double Crs
Amplitude of the sine harmonic correction term to the orbit radius [meters].
double Cus
Amplitude of the sine harmonic correction term to the argument of latitude [rad].
double Cis
Amplitude of the sine harmonic correction term to the angle of inclination [rad].
double idot
Rate of inclination angle [rad/sec].
double i_0
Inclination angle at reference time [rad].
double OMEGAdot
Rate of right ascension [rad/sec].
double delta_n
Mean motion difference from computed value [rad/sec].
double ecc
Eccentricity.
double satClkDrift
SV clock drift.
double dtr
Relativistic clock correction term.
double af1
SV clock drift correction coefficient [s/s].
double af2
SV clock drift rate correction coefficient [s/s^2].
uint32_t PRN
SV ID.
double Cuc
Amplitude of the cosine harmonic correction term to the argument of latitude [rad].
double Cic
Amplitude of the cosine harmonic correction term to the angle of inclination [rad].
int32_t tow
Time of Week.
double omega
Argument of perigee [rad].
int32_t toe
Ephemeris reference time [s].
int32_t toc
Clock correction data reference Time of Week [sec].
int32_t WN
Week number.
Base class for GNSS Ephemeris.