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Merge branch 'next' of https://github.com/gnss-sdr/gnss-sdr into next

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Carles Fernandez 2018-10-11 14:13:30 +02:00
commit 1c78108ce2
23 changed files with 565 additions and 42 deletions
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2
src/algorithms/libs/rtklib/rtklib_pntpos.cc
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@ -246,7 +246,7 @@ double prange(const obsd_t *obs, const nav_t *nav, const double *azel,
else if (obs->code[i] != CODE_NONE and obs->code[j] == CODE_NONE)
{
P1 += P1_C1; /* C1->P1 */
PC = P1 + P1_P2;
PC = P1 - P1_P2;
}
else if (obs->code[i] == CODE_NONE and obs->code[j] != CODE_NONE)
{

122
src/algorithms/libs/volk_gnsssdr_module/volk_gnsssdr/kernels/volk_gnsssdr/volk_gnsssdr_32fc_32f_high_dynamic_rotator_dot_prod_32fc_xn.h Normal file
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@ -0,0 +1,122 @@
/*!
* \file volk_gnsssdr_32fc_32f_high_dynamic_rotator_dot_prod_32fc_xn.h
* \brief VOLK_GNSSSDR kernel: multiplies N complex (32-bit float per component) vectors
* by a common vector, phase rotated and accumulates the results in N float complex outputs.
* \authors <ul>
* <li> Antonio Ramos 2018. antonio.ramosdet(at)gmail.com
* </ul>
*
* VOLK_GNSSSDR kernel that multiplies N 32 bits complex vectors by a common vector, which is
* phase-rotated by phase offset and phase increment, and accumulates the results
* in N 32 bits float complex outputs.
* It is optimized to perform the N tap correlation process in GNSS receivers.
*
* -------------------------------------------------------------------------
*
* 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 <https://www.gnu.org/licenses/>.
*
* -------------------------------------------------------------------------
*/
/*!
* \page volk_gnsssdr_32fc_32f_high_dynamic_rotator_dot_prod_32fc_xn
*
* \b Overview
*
* Rotates and multiplies the reference complex vector with an arbitrary number of other real vectors,
* accumulates the results and stores them in the output vector.
* The rotation is done at a fixed rate per sample, from an initial \p phase offset.
* This function can be used for Doppler wipe-off and multiple correlator.
*
* <b>Dispatcher Prototype</b>
* \code
* void volk_gnsssdr_32fc_32f_high_dynamic_rotator_dot_prod_32fc_xn(lv_32fc_t* result, const lv_32fc_t* in_common, const lv_32fc_t phase_inc, const lv_32fc_t phase_inc_rate, lv_32fc_t* phase, const float** in_a, int num_a_vectors, unsigned int num_points);
* \endcode
*
* \b Inputs
* \li in_common: Pointer to one of the vectors to be rotated, multiplied and accumulated (reference vector).
* \li phase_inc: Phase increment = lv_cmake(cos(phase_step_rad), sin(phase_step_rad))
* \li phase_inc_rate: Phase increment rate = lv_cmake(cos(phase_step_rate_rad), sin(phase_step_rate_rad))
* \li phase: Initial phase = lv_cmake(cos(initial_phase_rad), sin(initial_phase_rad))
* \li in_a: Pointer to an array of pointers to multiple vectors to be multiplied and accumulated.
* \li num_a_vectors: Number of vectors to be multiplied by the reference vector and accumulated.
* \li num_points: Number of complex values to be multiplied together, accumulated and stored into \p result.
*
* \b Outputs
* \li phase: Final phase.
* \li result: Vector of \p num_a_vectors components with the multiple vectors of \p in_a rotated, multiplied by \p in_common and accumulated.
*
*/
#ifndef INCLUDED_volk_gnsssdr_32fc_32f_high_dynamic_rotator_dot_prod_32fc_xn_H
#define INCLUDED_volk_gnsssdr_32fc_32f_high_dynamic_rotator_dot_prod_32fc_xn_H
#include <volk_gnsssdr/volk_gnsssdr.h>
#include <volk_gnsssdr/volk_gnsssdr_malloc.h>
#include <volk_gnsssdr/volk_gnsssdr_complex.h>
#include <volk_gnsssdr/saturation_arithmetic.h>
#include <math.h>
#ifdef LV_HAVE_GENERIC
static inline void volk_gnsssdr_32fc_32f_high_dynamic_rotator_dot_prod_32fc_xn_generic(lv_32fc_t* result, const lv_32fc_t* in_common, const lv_32fc_t phase_inc, const lv_32fc_t phase_inc_rate, lv_32fc_t* phase, const float** in_a, int num_a_vectors, unsigned int num_points)
{
lv_32fc_t tmp32_1;
#ifdef __cplusplus
lv_32fc_t half_phase_inc_rate = std::sqrt(phase_inc_rate);
#else
lv_32fc_t half_phase_inc_rate = csqrtf(phase_inc_rate);
#endif
lv_32fc_t constant_rotation = phase_inc * half_phase_inc_rate;
lv_32fc_t delta_phase_rate = lv_cmake(1.0f, 0.0f);
int n_vec;
unsigned int n;
for (n_vec = 0; n_vec < num_a_vectors; n_vec++)
{
result[n_vec] = lv_cmake(0.0f, 0.0f);
}
for (n = 0; n < num_points; n++)
{
tmp32_1 = *in_common++ * (*phase);
// Regenerate phase
if (n % 256 == 0)
{
#ifdef __cplusplus
(*phase) /= std::abs((*phase));
delta_phase_rate /= std::abs(delta_phase_rate);
#else
(*phase) /= hypotf(lv_creal(*phase), lv_cimag(*phase));
delta_phase_rate /= hypotf(lv_creal(delta_phase_rate), lv_cimag(delta_phase_rate));
#endif
}
(*phase) *= (constant_rotation * delta_phase_rate);
delta_phase_rate *= phase_inc_rate;
for (n_vec = 0; n_vec < num_a_vectors; n_vec++)
{
result[n_vec] += (tmp32_1 * in_a[n_vec][n]);
}
}
}
#endif /*LV_HAVE_GENERIC*/
#endif /* INCLUDED_volk_gnsssdr_32fc_32f_high_dynamic_rotator_dot_prod_32fc_xn_H */

163
src/algorithms/libs/volk_gnsssdr_module/volk_gnsssdr/kernels/volk_gnsssdr/volk_gnsssdr_32fc_32f_high_dynamic_rotator_dotprodxnpuppet_32fc.h Normal file
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@ -0,0 +1,163 @@
/*!
* \file volk_gnsssdr_32fc_32f_rotator_dotprodxnpuppet_32fc.h
* \brief Volk puppet for the multiple 16-bit complex dot product kernel.
* \authors <ul>
* <li> Carles Fernandez Prades 2016 cfernandez at cttc dot cat
* </ul>
*
* Volk puppet for integrating the resampler into volk's test system
*
* -------------------------------------------------------------------------
*
* 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 <https://www.gnu.org/licenses/>.
*
* -------------------------------------------------------------------------
*/
#ifndef INCLUDED_volk_gnsssdr_32fc_32f_high_dynamic_rotator_dotprodxnpuppet_32fc_H
#define INCLUDED_volk_gnsssdr_32fc_32f_high_dynamic_rotator_dotprodxnpuppet_32fc_H
#include "volk_gnsssdr/volk_gnsssdr_32fc_32f_high_dynamic_rotator_dot_prod_32fc_xn.h"
#include <volk_gnsssdr/volk_gnsssdr_malloc.h>
#include <volk_gnsssdr/volk_gnsssdr.h>
#include <string.h>
#ifdef LV_HAVE_GENERIC
static inline void volk_gnsssdr_32fc_32f_high_dynamic_rotator_dotprodxnpuppet_32fc_generic(lv_32fc_t* result, const lv_32fc_t* local_code, const float* in, unsigned int num_points)
{
// phases must be normalized. Phase rotator expects a complex exponential input!
float rem_carrier_phase_in_rad = 0.25;
float phase_step_rad = 0.1;
lv_32fc_t phase[1];
phase[0] = lv_cmake(cos(rem_carrier_phase_in_rad), sin(rem_carrier_phase_in_rad));
lv_32fc_t phase_inc[1];
phase_inc[0] = lv_cmake(cos(phase_step_rad), sin(phase_step_rad));
lv_32fc_t phase_inc_rate[1];
phase_inc_rate[0] = lv_cmake(cos(phase_step_rad * 0.001), sin(phase_step_rad * 0.001));
int n;
int num_a_vectors = 3;
float** in_a = (float**)volk_gnsssdr_malloc(sizeof(float*) * num_a_vectors, volk_gnsssdr_get_alignment());
for (n = 0; n < num_a_vectors; n++)
{
in_a[n] = (float*)volk_gnsssdr_malloc(sizeof(float) * num_points, volk_gnsssdr_get_alignment());
memcpy((float*)in_a[n], (float*)in, sizeof(float) * num_points);
}
volk_gnsssdr_32fc_32f_high_dynamic_rotator_dot_prod_32fc_xn_generic(result, local_code, phase_inc[0], phase_inc_rate[0], phase, (const float**)in_a, num_a_vectors, num_points);
for (n = 0; n < num_a_vectors; n++)
{
volk_gnsssdr_free(in_a[n]);
}
volk_gnsssdr_free(in_a);
}
#endif // Generic
//
//#ifdef LV_HAVE_GENERIC
//static inline void volk_gnsssdr_32fc_32f_rotator_dotprodxnpuppet_32fc_generic_reload(lv_32fc_t* result, const lv_32fc_t* local_code, const float* in, unsigned int num_points)
//{
// // phases must be normalized. Phase rotator expects a complex exponential input!
// float rem_carrier_phase_in_rad = 0.25;
// float phase_step_rad = 0.1;
// lv_32fc_t phase[1];
// phase[0] = lv_cmake(cos(rem_carrier_phase_in_rad), sin(rem_carrier_phase_in_rad));
// lv_32fc_t phase_inc[1];
// phase_inc[0] = lv_cmake(cos(phase_step_rad), sin(phase_step_rad));
// int n;
// int num_a_vectors = 3;
// float** in_a = (float**)volk_gnsssdr_malloc(sizeof(float*) * num_a_vectors, volk_gnsssdr_get_alignment());
// for (n = 0; n < num_a_vectors; n++)
// {
// in_a[n] = (float*)volk_gnsssdr_malloc(sizeof(float) * num_points, volk_gnsssdr_get_alignment());
// memcpy((float*)in_a[n], (float*)in, sizeof(float) * num_points);
// }
// volk_gnsssdr_32fc_32f_rotator_dot_prod_32fc_xn_generic_reload(result, local_code, phase_inc[0], phase, (const float**)in_a, num_a_vectors, num_points);
//
// for (n = 0; n < num_a_vectors; n++)
// {
// volk_gnsssdr_free(in_a[n]);
// }
// volk_gnsssdr_free(in_a);
//}
//
//#endif // Generic
//
//#ifdef LV_HAVE_AVX
//static inline void volk_gnsssdr_32fc_32f_rotator_dotprodxnpuppet_32fc_u_avx(lv_32fc_t* result, const lv_32fc_t* local_code, const float* in, unsigned int num_points)
//{
// // phases must be normalized. Phase rotator expects a complex exponential input!
// float rem_carrier_phase_in_rad = 0.25;
// float phase_step_rad = 0.1;
// lv_32fc_t phase[1];
// phase[0] = lv_cmake(cos(rem_carrier_phase_in_rad), sin(rem_carrier_phase_in_rad));
// lv_32fc_t phase_inc[1];
// phase_inc[0] = lv_cmake(cos(phase_step_rad), sin(phase_step_rad));
// int n;
// int num_a_vectors = 3;
// float** in_a = (float**)volk_gnsssdr_malloc(sizeof(float*) * num_a_vectors, volk_gnsssdr_get_alignment());
// for (n = 0; n < num_a_vectors; n++)
// {
// in_a[n] = (float*)volk_gnsssdr_malloc(sizeof(float) * num_points, volk_gnsssdr_get_alignment());
// memcpy((float*)in_a[n], (float*)in, sizeof(float) * num_points);
// }
// volk_gnsssdr_32fc_32f_rotator_dot_prod_32fc_xn_u_avx(result, local_code, phase_inc[0], phase, (const float**)in_a, num_a_vectors, num_points);
//
// for (n = 0; n < num_a_vectors; n++)
// {
// volk_gnsssdr_free(in_a[n]);
// }
// volk_gnsssdr_free(in_a);
//}
//
//#endif // AVX
//
//
//#ifdef LV_HAVE_AVX
//static inline void volk_gnsssdr_32fc_32f_rotator_dotprodxnpuppet_32fc_a_avx(lv_32fc_t* result, const lv_32fc_t* local_code, const float* in, unsigned int num_points)
//{
// // phases must be normalized. Phase rotator expects a complex exponential input!
// float rem_carrier_phase_in_rad = 0.25;
// float phase_step_rad = 0.1;
// lv_32fc_t phase[1];
// phase[0] = lv_cmake(cos(rem_carrier_phase_in_rad), sin(rem_carrier_phase_in_rad));
// lv_32fc_t phase_inc[1];
// phase_inc[0] = lv_cmake(cos(phase_step_rad), sin(phase_step_rad));
// int n;
// int num_a_vectors = 3;
// float** in_a = (float**)volk_gnsssdr_malloc(sizeof(float*) * num_a_vectors, volk_gnsssdr_get_alignment());
// for (n = 0; n < num_a_vectors; n++)
// {
// in_a[n] = (float*)volk_gnsssdr_malloc(sizeof(float) * num_points, volk_gnsssdr_get_alignment());
// memcpy((float*)in_a[n], (float*)in, sizeof(float) * num_points);
// }
// volk_gnsssdr_32fc_32f_rotator_dot_prod_32fc_xn_a_avx(result, local_code, phase_inc[0], phase, (const float**)in_a, num_a_vectors, num_points);
//
// for (n = 0; n < num_a_vectors; n++)
// {
// volk_gnsssdr_free(in_a[n]);
// }
// volk_gnsssdr_free(in_a);
//}
//
//#endif // AVX
#endif // INCLUDED_volk_gnsssdr_32fc_32f_high_dynamic_rotator_dotprodxnpuppet_32fc_H

1
src/algorithms/libs/volk_gnsssdr_module/volk_gnsssdr/lib/kernel_tests.h
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@ -99,6 +99,7 @@ std::vector<volk_gnsssdr_test_case_t> init_test_list(volk_gnsssdr_test_params_t
QA(VOLK_INIT_PUPP(volk_gnsssdr_16ic_16i_rotator_dotprodxnpuppet_16ic, volk_gnsssdr_16ic_16i_rotator_dot_prod_16ic_xn, test_params_int16))
QA(VOLK_INIT_PUPP(volk_gnsssdr_32fc_x2_rotator_dotprodxnpuppet_32fc, volk_gnsssdr_32fc_x2_rotator_dot_prod_32fc_xn, test_params_int1))
QA(VOLK_INIT_PUPP(volk_gnsssdr_32fc_32f_rotator_dotprodxnpuppet_32fc, volk_gnsssdr_32fc_32f_rotator_dot_prod_32fc_xn, test_params_int1));
QA(VOLK_INIT_PUPP(volk_gnsssdr_32fc_32f_high_dynamic_rotator_dotprodxnpuppet_32fc, volk_gnsssdr_32fc_32f_high_dynamic_rotator_dot_prod_32fc_xn, test_params_int1));
return test_cases;
}

10
src/algorithms/tracking/adapters/galileo_e1_dll_pll_veml_tracking.cc
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@ -59,6 +59,16 @@ GalileoE1DllPllVemlTracking::GalileoE1DllPllVemlTracking(
trk_param.fs_in = fs_in;
bool dump = configuration->property(role + ".dump", false);
trk_param.dump = dump;
trk_param.high_dyn = configuration->property(role + ".high_dyn", false);
if (configuration->property(role + ".smoother_length", 10) < 1)
{
trk_param.smoother_length = 1;
std::cout << TEXT_RED << "WARNING: Gal. E1. smoother_length must be bigger than 0. It has been set to 1" << TEXT_RESET << std::endl;
}
else
{
trk_param.smoother_length = configuration->property(role + ".smoother_length", 10);
}
float pll_bw_hz = configuration->property(role + ".pll_bw_hz", 5.0);
if (FLAGS_pll_bw_hz != 0.0) pll_bw_hz = static_cast<float>(FLAGS_pll_bw_hz);
trk_param.pll_bw_hz = pll_bw_hz;

10
src/algorithms/tracking/adapters/galileo_e5a_dll_pll_tracking.cc
View File

@ -59,6 +59,16 @@ GalileoE5aDllPllTracking::GalileoE5aDllPllTracking(
trk_param.fs_in = fs_in;
bool dump = configuration->property(role + ".dump", false);
trk_param.dump = dump;
trk_param.high_dyn = configuration->property(role + ".high_dyn", false);
if (configuration->property(role + ".smoother_length", 10) < 1)
{
trk_param.smoother_length = 1;
std::cout << TEXT_RED << "WARNING: Gal. E5a. smoother_length must be bigger than 0. It has been set to 1" << TEXT_RESET << std::endl;
}
else
{
trk_param.smoother_length = configuration->property(role + ".smoother_length", 10);
}
float pll_bw_hz = configuration->property(role + ".pll_bw_hz", 20.0);
if (FLAGS_pll_bw_hz != 0.0) pll_bw_hz = static_cast<float>(FLAGS_pll_bw_hz);
trk_param.pll_bw_hz = pll_bw_hz;

10
src/algorithms/tracking/adapters/gps_l1_ca_dll_pll_tracking.cc
View File

@ -57,6 +57,16 @@ GpsL1CaDllPllTracking::GpsL1CaDllPllTracking(
int fs_in_deprecated = configuration->property("GNSS-SDR.internal_fs_hz", 2048000);
int fs_in = configuration->property("GNSS-SDR.internal_fs_sps", fs_in_deprecated);
trk_param.fs_in = fs_in;
trk_param.high_dyn = configuration->property(role + ".high_dyn", false);
if (configuration->property(role + ".smoother_length", 10) < 1)
{
trk_param.smoother_length = 1;
std::cout << TEXT_RED << "WARNING: GPS L1 C/A. smoother_length must be bigger than 0. It has been set to 1" << TEXT_RESET << std::endl;
}
else
{
trk_param.smoother_length = configuration->property(role + ".smoother_length", 10);
}
bool dump = configuration->property(role + ".dump", false);
trk_param.dump = dump;
float pll_bw_hz = configuration->property(role + ".pll_bw_hz", 50.0);

10
src/algorithms/tracking/adapters/gps_l5_dll_pll_tracking.cc
View File

@ -59,6 +59,16 @@ GpsL5DllPllTracking::GpsL5DllPllTracking(
trk_param.fs_in = fs_in;
bool dump = configuration->property(role + ".dump", false);
trk_param.dump = dump;
trk_param.high_dyn = configuration->property(role + ".high_dyn", false);
if (configuration->property(role + ".smoother_length", 10) < 1)
{
trk_param.smoother_length = 1;
std::cout << TEXT_RED << "WARNING: GPS L5. smoother_length must be bigger than 0. It has been set to 1" << TEXT_RESET << std::endl;
}
else
{
trk_param.smoother_length = configuration->property(role + ".smoother_length", 10);
}
float pll_bw_hz = configuration->property(role + ".pll_bw_hz", 50.0);
if (FLAGS_pll_bw_hz != 0.0) pll_bw_hz = static_cast<float>(FLAGS_pll_bw_hz);
trk_param.pll_bw_hz = pll_bw_hz;

102
src/algorithms/tracking/gnuradio_blocks/dll_pll_veml_tracking.cc
View File

@ -58,6 +58,7 @@
#include <cmath>
#include <iostream>
#include <sstream>
#include <numeric>
using google::LogMessage;
@ -355,6 +356,7 @@ dll_pll_veml_tracking::dll_pll_veml_tracking(const Dll_Pll_Conf &conf_) : gr::bl
{
// Extra correlator for the data component
correlator_data_cpu.init(2 * trk_parameters.vector_length, 1);
correlator_data_cpu.set_high_dynamics_resampler(trk_parameters.high_dyn);
d_data_code = static_cast<float *>(volk_gnsssdr_malloc(2 * d_code_length_chips * sizeof(float), volk_gnsssdr_get_alignment()));
}
else
@ -363,7 +365,7 @@ dll_pll_veml_tracking::dll_pll_veml_tracking(const Dll_Pll_Conf &conf_) : gr::bl
}
// --- Initializations ---
multicorrelator_cpu.set_high_dynamics_resampler(trk_parameters.use_high_dynamics_resampler);
multicorrelator_cpu.set_high_dynamics_resampler(trk_parameters.high_dyn);
// Initial code frequency basis of NCO
d_code_freq_chips = d_code_chip_rate;
// Residual code phase (in chips)
@ -397,12 +399,22 @@ dll_pll_veml_tracking::dll_pll_veml_tracking(const Dll_Pll_Conf &conf_) : gr::bl
d_code_phase_step_chips = 0.0;
d_code_phase_rate_step_chips = 0.0;
d_carrier_phase_step_rad = 0.0;
d_carrier_phase_rate_step_rad = 0.0;
d_rem_code_phase_chips = 0.0;
d_K_blk_samples = 0.0;
d_code_phase_samples = 0.0;
d_last_prompt = gr_complex(0.0, 0.0);
d_state = 0; // initial state: standby
clear_tracking_vars();
if (trk_parameters.smoother_length > 0)
{
d_carr_ph_history.resize(trk_parameters.smoother_length * 2);
d_code_ph_history.resize(trk_parameters.smoother_length * 2);
}
else
{
d_carr_ph_history.resize(1);
d_code_ph_history.resize(1);
}
}
@ -424,6 +436,7 @@ void dll_pll_veml_tracking::start_tracking()
// new chip and PRN sequence periods based on acq Doppler
d_code_freq_chips = radial_velocity * d_code_chip_rate;
d_code_phase_step_chips = d_code_freq_chips / trk_parameters.fs_in;
d_code_phase_rate_step_chips = 0.0;
double T_chip_mod_seconds = 1.0 / d_code_freq_chips;
double T_prn_mod_seconds = T_chip_mod_seconds * static_cast<double>(d_code_length_chips);
double T_prn_mod_samples = T_prn_mod_seconds * trk_parameters.fs_in;
@ -446,7 +459,9 @@ void dll_pll_veml_tracking::start_tracking()
d_carrier_doppler_hz = d_acq_carrier_doppler_hz;
d_carrier_phase_step_rad = PI_2 * d_carrier_doppler_hz / trk_parameters.fs_in;
d_carrier_phase_rate_step_rad = 0.0;
d_carr_ph_history.clear();
d_code_ph_history.clear();
// DLL/PLL filter initialization
d_carrier_loop_filter.initialize(); // initialize the carrier filter
d_code_loop_filter.initialize(); // initialize the code filter
@ -706,7 +721,7 @@ void dll_pll_veml_tracking::do_correlation_step(const gr_complex *input_samples)
multicorrelator_cpu.set_input_output_vectors(d_correlator_outs, input_samples);
multicorrelator_cpu.Carrier_wipeoff_multicorrelator_resampler(
d_rem_carr_phase_rad,
d_carrier_phase_step_rad,
d_carrier_phase_step_rad, d_carrier_phase_rate_step_rad,
static_cast<float>(d_rem_code_phase_chips) * static_cast<float>(d_code_samples_per_chip),
static_cast<float>(d_code_phase_step_chips) * static_cast<float>(d_code_samples_per_chip),
static_cast<float>(d_code_phase_rate_step_chips) * static_cast<float>(d_code_samples_per_chip),
@ -718,7 +733,7 @@ void dll_pll_veml_tracking::do_correlation_step(const gr_complex *input_samples)
correlator_data_cpu.set_input_output_vectors(d_Prompt_Data, input_samples);
correlator_data_cpu.Carrier_wipeoff_multicorrelator_resampler(
d_rem_carr_phase_rad,
d_carrier_phase_step_rad,
d_carrier_phase_step_rad, d_carrier_phase_rate_step_rad,
static_cast<float>(d_rem_code_phase_chips) * static_cast<float>(d_code_samples_per_chip),
static_cast<float>(d_code_phase_step_chips) * static_cast<float>(d_code_samples_per_chip),
static_cast<float>(d_code_phase_rate_step_chips) * static_cast<float>(d_code_samples_per_chip),
@ -777,6 +792,10 @@ void dll_pll_veml_tracking::clear_tracking_vars()
d_current_symbol = 0;
d_Prompt_buffer_deque.clear();
d_last_prompt = gr_complex(0.0, 0.0);
d_carrier_phase_rate_step_rad = 0.0;
d_code_phase_rate_step_chips = 0.0;
d_carr_ph_history.clear();
d_code_ph_history.clear();
}
@ -796,15 +815,60 @@ void dll_pll_veml_tracking::update_tracking_vars()
//################### PLL COMMANDS #################################################
// carrier phase step (NCO phase increment per sample) [rads/sample]
d_carrier_phase_step_rad = PI_2 * d_carrier_doppler_hz / trk_parameters.fs_in;
// carrier phase rate step (NCO phase increment rate per sample) [rads/sample^2]
if (trk_parameters.high_dyn)
{
d_carr_ph_history.push_back(std::pair<double, double>(d_carrier_phase_step_rad, static_cast<double>(d_current_prn_length_samples)));
if (d_carr_ph_history.full())
{
double tmp_cp1 = 0.0;
double tmp_cp2 = 0.0;
double tmp_samples = 0.0;
for (unsigned int k = 0; k < trk_parameters.smoother_length; k++)
{
tmp_cp1 += d_carr_ph_history.at(k).first;
tmp_cp2 += d_carr_ph_history.at(trk_parameters.smoother_length * 2 - k - 1).first;
tmp_samples += d_carr_ph_history.at(trk_parameters.smoother_length * 2 - k - 1).second;
}
tmp_cp1 /= static_cast<double>(trk_parameters.smoother_length);
tmp_cp2 /= static_cast<double>(trk_parameters.smoother_length);
d_carrier_phase_rate_step_rad = (tmp_cp2 - tmp_cp1) / tmp_samples;
}
}
//std::cout << d_carrier_phase_rate_step_rad * trk_parameters.fs_in * trk_parameters.fs_in / PI_2 << std::endl;
// remnant carrier phase to prevent overflow in the code NCO
d_rem_carr_phase_rad += d_carrier_phase_step_rad * static_cast<double>(d_current_prn_length_samples);
d_rem_carr_phase_rad += static_cast<float>(d_carrier_phase_step_rad * static_cast<double>(d_current_prn_length_samples) + 0.5 * d_carrier_phase_rate_step_rad * static_cast<double>(d_current_prn_length_samples) * static_cast<double>(d_current_prn_length_samples));
d_rem_carr_phase_rad = fmod(d_rem_carr_phase_rad, PI_2);
// carrier phase accumulator
d_acc_carrier_phase_rad -= d_carrier_phase_step_rad * static_cast<double>(d_current_prn_length_samples);
//double a = d_carrier_phase_step_rad * static_cast<double>(d_current_prn_length_samples);
//double b = 0.5 * d_carrier_phase_rate_step_rad * static_cast<double>(d_current_prn_length_samples) * static_cast<double>(d_current_prn_length_samples);
//std::cout << fmod(b, PI_2) / fmod(a, PI_2) << std::endl;
d_acc_carrier_phase_rad -= (d_carrier_phase_step_rad * static_cast<double>(d_current_prn_length_samples) + 0.5 * d_carrier_phase_rate_step_rad * static_cast<double>(d_current_prn_length_samples) * static_cast<double>(d_current_prn_length_samples));
//################### DLL COMMANDS #################################################
// code phase step (Code resampler phase increment per sample) [chips/sample]
d_code_phase_step_chips = d_code_freq_chips / trk_parameters.fs_in;
if (trk_parameters.high_dyn)
{
d_code_ph_history.push_back(std::pair<double, double>(d_code_phase_step_chips, static_cast<double>(d_current_prn_length_samples)));
if (d_code_ph_history.full())
{
double tmp_cp1 = 0.0;
double tmp_cp2 = 0.0;
double tmp_samples = 0.0;
for (unsigned int k = 0; k < trk_parameters.smoother_length; k++)
{
tmp_cp1 += d_code_ph_history.at(k).first;
tmp_cp2 += d_code_ph_history.at(trk_parameters.smoother_length * 2 - k - 1).first;
tmp_samples += d_code_ph_history.at(trk_parameters.smoother_length * 2 - k - 1).second;
}
tmp_cp1 /= static_cast<double>(trk_parameters.smoother_length);
tmp_cp2 /= static_cast<double>(trk_parameters.smoother_length);
d_code_phase_rate_step_chips = (tmp_cp2 - tmp_cp1) / tmp_samples;
}
}
// remnant code phase [chips]
d_rem_code_phase_samples = K_blk_samples - static_cast<double>(d_current_prn_length_samples); // rounding error < 1 sample
d_rem_code_phase_chips = d_code_freq_chips * d_rem_code_phase_samples / trk_parameters.fs_in;
@ -947,8 +1011,14 @@ void dll_pll_veml_tracking::log_data(bool integrating)
// carrier and code frequency
tmp_float = d_carrier_doppler_hz;
d_dump_file.write(reinterpret_cast<char *>(&tmp_float), sizeof(float));
// carrier phase rate [Hz/s]
tmp_float = d_carrier_phase_rate_step_rad * trk_parameters.fs_in * trk_parameters.fs_in / PI_2;
d_dump_file.write(reinterpret_cast<char *>(&tmp_float), sizeof(float));
tmp_float = d_code_freq_chips;
d_dump_file.write(reinterpret_cast<char *>(&tmp_float), sizeof(float));
// code phase rate [chips/s^2]
tmp_float = d_code_phase_rate_step_chips * trk_parameters.fs_in * trk_parameters.fs_in;
d_dump_file.write(reinterpret_cast<char *>(&tmp_float), sizeof(float));
// PLL commands
tmp_float = d_carr_error_hz;
d_dump_file.write(reinterpret_cast<char *>(&tmp_float), sizeof(float));
@ -986,7 +1056,7 @@ int32_t dll_pll_veml_tracking::save_matfile()
// READ DUMP FILE
std::ifstream::pos_type size;
int32_t number_of_double_vars = 1;
int32_t number_of_float_vars = 17;
int32_t number_of_float_vars = 19;
int32_t epoch_size_bytes = sizeof(uint64_t) + sizeof(double) * number_of_double_vars +
sizeof(float) * number_of_float_vars + sizeof(uint32_t);
std::ifstream dump_file;
@ -1022,7 +1092,9 @@ int32_t dll_pll_veml_tracking::save_matfile()
uint64_t *PRN_start_sample_count = new uint64_t[num_epoch];
float *acc_carrier_phase_rad = new float[num_epoch];
float *carrier_doppler_hz = new float[num_epoch];
float *carrier_doppler_rate_hz = new float[num_epoch];
float *code_freq_chips = new float[num_epoch];
float *code_freq_rate_chips = new float[num_epoch];
float *carr_error_hz = new float[num_epoch];
float *carr_error_filt_hz = new float[num_epoch];
float *code_error_chips = new float[num_epoch];
@ -1049,7 +1121,9 @@ int32_t dll_pll_veml_tracking::save_matfile()
dump_file.read(reinterpret_cast<char *>(&PRN_start_sample_count[i]), sizeof(uint64_t));
dump_file.read(reinterpret_cast<char *>(&acc_carrier_phase_rad[i]), sizeof(float));
dump_file.read(reinterpret_cast<char *>(&carrier_doppler_hz[i]), sizeof(float));
dump_file.read(reinterpret_cast<char *>(&carrier_doppler_rate_hz[i]), sizeof(float));
dump_file.read(reinterpret_cast<char *>(&code_freq_chips[i]), sizeof(float));
dump_file.read(reinterpret_cast<char *>(&code_freq_rate_chips[i]), sizeof(float));
dump_file.read(reinterpret_cast<char *>(&carr_error_hz[i]), sizeof(float));
dump_file.read(reinterpret_cast<char *>(&carr_error_filt_hz[i]), sizeof(float));
dump_file.read(reinterpret_cast<char *>(&code_error_chips[i]), sizeof(float));
@ -1076,7 +1150,9 @@ int32_t dll_pll_veml_tracking::save_matfile()
delete[] PRN_start_sample_count;
delete[] acc_carrier_phase_rad;
delete[] carrier_doppler_hz;
delete[] carrier_doppler_rate_hz;
delete[] code_freq_chips;
delete[] code_freq_rate_chips;
delete[] carr_error_hz;
delete[] carr_error_filt_hz;
delete[] code_error_chips;
@ -1139,10 +1215,18 @@ int32_t dll_pll_veml_tracking::save_matfile()
Mat_VarWrite(matfp, matvar, MAT_COMPRESSION_ZLIB); // or MAT_COMPRESSION_NONE
Mat_VarFree(matvar);
matvar = Mat_VarCreate("carrier_doppler_rate_hz", MAT_C_SINGLE, MAT_T_SINGLE, 2, dims, carrier_doppler_rate_hz, 0);
Mat_VarWrite(matfp, matvar, MAT_COMPRESSION_ZLIB); // or MAT_COMPRESSION_NONE
Mat_VarFree(matvar);
matvar = Mat_VarCreate("code_freq_chips", MAT_C_SINGLE, MAT_T_SINGLE, 2, dims, code_freq_chips, 0);
Mat_VarWrite(matfp, matvar, MAT_COMPRESSION_ZLIB); // or MAT_COMPRESSION_NONE
Mat_VarFree(matvar);
matvar = Mat_VarCreate("code_freq_rate_chips", MAT_C_SINGLE, MAT_T_SINGLE, 2, dims, code_freq_rate_chips, 0);
Mat_VarWrite(matfp, matvar, MAT_COMPRESSION_ZLIB); // or MAT_COMPRESSION_NONE
Mat_VarFree(matvar);
matvar = Mat_VarCreate("carr_error_hz", MAT_C_SINGLE, MAT_T_SINGLE, 2, dims, carr_error_hz, 0);
Mat_VarWrite(matfp, matvar, MAT_COMPRESSION_ZLIB); // or MAT_COMPRESSION_NONE
Mat_VarFree(matvar);
@ -1190,7 +1274,9 @@ int32_t dll_pll_veml_tracking::save_matfile()
delete[] PRN_start_sample_count;
delete[] acc_carrier_phase_rad;
delete[] carrier_doppler_hz;
delete[] carrier_doppler_rate_hz;
delete[] code_freq_chips;
delete[] code_freq_rate_chips;
delete[] carr_error_hz;
delete[] carr_error_filt_hz;
delete[] code_error_chips;

7
src/algorithms/tracking/gnuradio_blocks/dll_pll_veml_tracking.h
View File

@ -41,6 +41,7 @@
#include <string>
#include <map>
#include <queue>
#include <utility>
#include <boost/circular_buffer.hpp>
class dll_pll_veml_tracking;
@ -146,10 +147,13 @@ private:
double d_code_phase_step_chips;
double d_code_phase_rate_step_chips;
boost::circular_buffer<std::pair<double, double>> d_code_ph_history;
double d_carrier_phase_step_rad;
double d_carrier_phase_rate_step_rad;
boost::circular_buffer<std::pair<double, double>> d_carr_ph_history;
// remaining code phase and carrier phase between tracking loops
double d_rem_code_phase_samples;
double d_rem_carr_phase_rad;
float d_rem_carr_phase_rad;
// PLL and DLL filter library
Tracking_2nd_DLL_filter d_code_loop_filter;
@ -164,7 +168,6 @@ private:
double d_carr_error_filt_hz;
double d_code_error_chips;
double d_code_error_filt_chips;
double d_K_blk_samples;
double d_code_freq_chips;
double d_carrier_doppler_hz;
double d_acc_carrier_phase_rad;

27
src/algorithms/tracking/libs/cpu_multicorrelator_real_codes.cc
View File

@ -125,7 +125,32 @@ void cpu_multicorrelator_real_codes::update_local_code(int correlator_length_sam
}
}
// Overload Carrier_wipeoff_multicorrelator_resampler to ensure back compatibility
bool cpu_multicorrelator_real_codes::Carrier_wipeoff_multicorrelator_resampler(
float rem_carrier_phase_in_rad,
float phase_step_rad,
float phase_rate_step_rad,
float rem_code_phase_chips,
float code_phase_step_chips,
float code_phase_rate_step_chips,
int signal_length_samples)
{
update_local_code(signal_length_samples, rem_code_phase_chips, code_phase_step_chips, code_phase_rate_step_chips);
// Regenerate phase at each call in order to avoid numerical issues
lv_32fc_t phase_offset_as_complex[1];
phase_offset_as_complex[0] = lv_cmake(std::cos(rem_carrier_phase_in_rad), -std::sin(rem_carrier_phase_in_rad));
// call VOLK_GNSSSDR kernel
if (d_use_high_dynamics_resampler)
{
volk_gnsssdr_32fc_32f_high_dynamic_rotator_dot_prod_32fc_xn(d_corr_out, d_sig_in, std::exp(lv_32fc_t(0.0, -phase_step_rad)), std::exp(lv_32fc_t(0.0, -phase_rate_step_rad)), phase_offset_as_complex, const_cast<const float**>(d_local_codes_resampled), d_n_correlators, signal_length_samples);
}
else
{
volk_gnsssdr_32fc_32f_rotator_dot_prod_32fc_xn(d_corr_out, d_sig_in, std::exp(lv_32fc_t(0.0, -phase_step_rad)), phase_offset_as_complex, const_cast<const float**>(d_local_codes_resampled), d_n_correlators, signal_length_samples);
}
return true;
}
// Overload Carrier_wipeoff_multicorrelator_resampler to ensure back compatibility
bool cpu_multicorrelator_real_codes::Carrier_wipeoff_multicorrelator_resampler(
float rem_carrier_phase_in_rad,
float phase_step_rad,

2
src/algorithms/tracking/libs/cpu_multicorrelator_real_codes.h
View File

@ -52,6 +52,8 @@ public:
bool set_local_code_and_taps(int code_length_chips, const float *local_code_in, float *shifts_chips);
bool set_input_output_vectors(std::complex<float> *corr_out, const std::complex<float> *sig_in);
void update_local_code(int correlator_length_samples, float rem_code_phase_chips, float code_phase_step_chips, float code_phase_rate_step_chips = 0.0);
// Overload Carrier_wipeoff_multicorrelator_resampler to ensure back compatibility
bool Carrier_wipeoff_multicorrelator_resampler(float rem_carrier_phase_in_rad, float phase_step_rad, float phase_rate_step_rad, float rem_code_phase_chips, float code_phase_step_chips, float code_phase_rate_step_chips, int signal_length_samples);
bool Carrier_wipeoff_multicorrelator_resampler(float rem_carrier_phase_in_rad, float phase_step_rad, float rem_code_phase_chips, float code_phase_step_chips, float code_phase_rate_step_chips, int signal_length_samples);
bool free();

3
src/algorithms/tracking/libs/dll_pll_conf.cc
View File

@ -36,7 +36,8 @@
Dll_Pll_Conf::Dll_Pll_Conf()
{
/* DLL/PLL tracking configuration */
use_high_dynamics_resampler = true;
high_dyn = false;
smoother_length = 10;
fs_in = 0.0;
vector_length = 0U;
dump = false;

3
src/algorithms/tracking/libs/dll_pll_conf.h
View File

@ -56,11 +56,12 @@ public:
float early_late_space_narrow_chips;
float very_early_late_space_narrow_chips;
int32_t extend_correlation_symbols;
bool use_high_dynamics_resampler;
bool high_dyn;
int32_t cn0_samples;
int32_t carrier_lock_det_mav_samples;
int32_t cn0_min;
int32_t max_lock_fail;
uint32_t smoother_length;
double carrier_lock_th;
bool track_pilot;
char system;

1
src/tests/CMakeLists.txt
View File

@ -403,6 +403,7 @@ if(ENABLE_UNIT_TESTING)
signal_generator_adapters
pvt_gr_blocks
signal_processing_testing_lib
system_testing_lib
${VOLK_GNSSSDR_LIBRARIES}
${MATIO_LIBRARIES}
${GNSS_SDR_TEST_OPTIONAL_LIBS}

4
src/tests/common-files/tracking_tests_flags.h
View File

@ -41,7 +41,7 @@ DEFINE_bool(enable_external_signal_file, false, "Use an external signal file cap
DEFINE_double(external_signal_acquisition_threshold, 2.5, "Threshold for satellite acquisition when external file is used");
DEFINE_int32(external_signal_acquisition_dwells, 5, "Maximum dwells count for satellite acquisition when external file is used");
DEFINE_double(external_signal_acquisition_doppler_max_hz, 5000.0, "Doppler max for satellite acquisition when external file is used");
DEFINE_double(external_signal_acquisition_doppler_step_hz, 125, "Doppler step for satellite acquisition when external file is used");
DEFINE_double(external_signal_acquisition_doppler_step_hz, 125.0, "Doppler step for satellite acquisition when external file is used");
DEFINE_string(signal_file, std::string("signal_out.bin"), "Path of the external signal capture file");
DEFINE_double(CN0_dBHz_start, std::numeric_limits<double>::infinity(), "Enable noise generator and set the CN0 start sweep value [dB-Hz]");
@ -77,6 +77,8 @@ DEFINE_double(skip_trk_transitory_s, 1.0, "Skip the initial tracking output sign
//Tracking configuration
DEFINE_int32(extend_correlation_symbols, 1, "Set the tracking coherent correlation to N symbols (up to 20 for GPS L1 C/A)");
DEFINE_uint32(smoother_length, 10, "Set the moving average size for the carrier phase and code phase in case of high dynamics");
DEFINE_bool(high_dyn, false, "Activates the code resampler and NCO generator for high dynamics");
//Test output configuration
DEFINE_bool(plot_gps_l1_tracking_test, false, "Plots results of GpsL1CADllPllTrackingTest with gnuplot");

15
src/tests/system-tests/libs/geofunctions.cc
View File

@ -458,3 +458,18 @@ void pv_Geo_to_ECEF(double L_b, double lambda_b, double h_b, const arma::vec &v_
// Transform velocity using (2.73)
v_eb_e = C_e_n.t() * v_eb_n;
}
double great_circle_distance(double lat1, double lon1, double lat2, double lon2)
{
//The Haversine formula determines the great-circle distance between two points on a sphere given their longitudes and latitudes.
// generally used geo measurement function
double R = 6378.137; // Radius of earth in KM
double dLat = lat2 * STRP_PI / 180.0 - lat1 * STRP_PI / 180.0;
double dLon = lon2 * STRP_PI / 180.0 - lon1 * STRP_PI / 180.0;
double a = sin(dLat / 2.0) * sin(dLat / 2.0) +
cos(lat1 * STRP_PI / 180.0) * cos(lat2 * STRP_PI / 180.0) *
sin(dLon / 2) * sin(dLon / 2.0);
double c = 2.0 * atan2(sqrt(a), sqrt(1.0 - a));
double d = R * c;
return d * 1000.0; // meters
}

6
src/tests/system-tests/libs/geofunctions.h
View File

@ -151,4 +151,10 @@ void Geo_to_ECEF(const arma::vec &LLH, const arma::vec &v_eb_n, const arma::mat
*/
void pv_Geo_to_ECEF(double L_b, double lambda_b, double h_b, const arma::vec &v_eb_n, arma::vec &r_eb_e, arma::vec &v_eb_e);
/*!
* \brief The Haversine formula determines the great-circle distance between two points on a sphere given their longitudes and latitudes.
*/
double great_circle_distance(double lat1, double lon1, double lat2, double lon2);
#endif

4
src/tests/unit-tests/signal-processing-blocks/libs/tracking_dump_reader.cc
View File

@ -45,7 +45,9 @@ bool tracking_dump_reader::read_binary_obs()
d_dump_file.read(reinterpret_cast<char *>(&PRN_start_sample_count), sizeof(uint64_t));
d_dump_file.read(reinterpret_cast<char *>(&acc_carrier_phase_rad), sizeof(float));
d_dump_file.read(reinterpret_cast<char *>(&carrier_doppler_hz), sizeof(float));
d_dump_file.read(reinterpret_cast<char *>(&carrier_doppler_rate_hz_s), sizeof(float));
d_dump_file.read(reinterpret_cast<char *>(&code_freq_chips), sizeof(float));
d_dump_file.read(reinterpret_cast<char *>(&code_freq_rate_chips), sizeof(float));
d_dump_file.read(reinterpret_cast<char *>(&carr_error_hz), sizeof(float));
d_dump_file.read(reinterpret_cast<char *>(&carr_error_filt_hz), sizeof(float));
d_dump_file.read(reinterpret_cast<char *>(&code_error_chips), sizeof(float));
@ -83,7 +85,7 @@ int64_t tracking_dump_reader::num_epochs()
{
std::ifstream::pos_type size;
int number_of_double_vars = 1;
int number_of_float_vars = 17;
int number_of_float_vars = 19;
int epoch_size_bytes = sizeof(uint64_t) + sizeof(double) * number_of_double_vars +
sizeof(float) * number_of_float_vars + sizeof(unsigned int);
std::ifstream tmpfile(d_dump_filename.c_str(), std::ios::binary | std::ios::ate);

2
src/tests/unit-tests/signal-processing-blocks/libs/tracking_dump_reader.h
View File

@ -63,7 +63,9 @@ public:
// carrier and code frequency
float carrier_doppler_hz;
float carrier_doppler_rate_hz_s;
float code_freq_chips;
float code_freq_rate_chips;
// PLL commands
float carr_error_hz;

31
src/tests/unit-tests/signal-processing-blocks/observables/hybrid_observables_test.cc
View File

@ -260,7 +260,9 @@ public:
double DLL_wide_bw_hz,
double PLL_narrow_bw_hz,
double DLL_narrow_bw_hz,
int extend_correlation_symbols);
int extend_correlation_symbols,
uint32_t smoother_length,
bool high_dyn);
gr::top_block_sptr top_block;
std::shared_ptr<GNSSBlockFactory> factory;
@ -540,10 +542,17 @@ void HybridObservablesTest::configure_receiver(
double DLL_wide_bw_hz,
double PLL_narrow_bw_hz,
double DLL_narrow_bw_hz,
int extend_correlation_symbols)
int extend_correlation_symbols,
uint32_t smoother_length,
bool high_dyn)
{
config = std::make_shared<InMemoryConfiguration>();
config->set_property("Tracking.dump", "true");
if (high_dyn)
config->set_property("Tracking.high_dyn", "true");
else
config->set_property("Tracking.high_dyn", "false");
config->set_property("Tracking.smoother_length", std::to_string(smoother_length));
config->set_property("Tracking.dump_filename", "./tracking_ch_");
config->set_property("Tracking.implementation", implementation);
config->set_property("Tracking.item_type", "gr_complex");
@ -650,6 +659,8 @@ void HybridObservablesTest::configure_receiver(
std::cout << "pll_bw_narrow_hz: " << config->property("Tracking.pll_bw_narrow_hz", 0.0) << " Hz\n";
std::cout << "dll_bw_narrow_hz: " << config->property("Tracking.dll_bw_narrow_hz", 0.0) << " Hz\n";
std::cout << "extend_correlation_symbols: " << config->property("Tracking.extend_correlation_symbols", 0) << " Symbols\n";
std::cout << "high_dyn: " << config->property("Tracking.high_dyn", false) << "\n";
std::cout << "smoother_length: " << config->property("Tracking.smoother_length", 0) << "\n";
std::cout << "*****************************************\n";
std::cout << "*****************************************\n";
}
@ -1499,7 +1510,9 @@ TEST_F(HybridObservablesTest, ValidationOfResults)
FLAGS_DLL_bw_hz_start,
FLAGS_PLL_narrow_bw_hz,
FLAGS_DLL_narrow_bw_hz,
FLAGS_extend_correlation_symbols);
FLAGS_extend_correlation_symbols,
FLAGS_smoother_length,
FLAGS_high_dyn);
for (unsigned int n = 0; n < gnss_synchro_vec.size(); n++)
@ -1883,6 +1896,18 @@ TEST_F(HybridObservablesTest, ValidationOfResults)
measured_obs_vec.at(n).col(2).colptr(0) + measured_obs_vec.at(n).col(2).n_rows);
save_mat_xy(tmp_vector_x4, tmp_vector_y4, std::string("measured_doppler_ch_" + std::to_string(n)));
std::vector<double> tmp_vector_x5(true_obs_vec.at(n).col(0).colptr(0),
true_obs_vec.at(n).col(0).colptr(0) + true_obs_vec.at(n).col(0).n_rows);
std::vector<double> tmp_vector_y5(true_obs_vec.at(n).col(3).colptr(0),
true_obs_vec.at(n).col(3).colptr(0) + true_obs_vec.at(n).col(3).n_rows);
save_mat_xy(tmp_vector_x5, tmp_vector_y5, std::string("true_cp_ch_" + std::to_string(n)));
std::vector<double> tmp_vector_x6(measured_obs_vec.at(n).col(0).colptr(0),
measured_obs_vec.at(n).col(0).colptr(0) + measured_obs_vec.at(n).col(0).n_rows);
std::vector<double> tmp_vector_y6(measured_obs_vec.at(n).col(3).colptr(0),
measured_obs_vec.at(n).col(3).colptr(0) + measured_obs_vec.at(n).col(3).n_rows);
save_mat_xy(tmp_vector_x6, tmp_vector_y6, std::string("measured_cp_ch_" + std::to_string(n)));
if (epoch_counters_vec.at(n) > 10) //discard non-valid channels
{

34
src/tests/unit-tests/signal-processing-blocks/pvt/rtklib_solver_test.cc
View File

@ -38,6 +38,8 @@
#include "rtklib_solver.h"
#include "in_memory_configuration.h"
#include "gnss_sdr_supl_client.h"
#include "geofunctions.h"
#include <armadillo>
rtk_t configure_rtklib_options()
@ -366,10 +368,6 @@ TEST(RTKLibSolverTest, test1)
//
// gnss_synchro_map[0] = tmp_obs;
// gnss_synchro_map[0].PRN = 1;
// gnss_synchro_map[0].RX_time = 518449.000000;
// gnss_synchro_map[0].Pseudorange_m = 22816591.664859;
// gnss_synchro_map[0].Carrier_Doppler_hz = -2579.334343;
// gnss_synchro_map[0].Carrier_phase_rads = 794858.014183;
//load from xml (boost serialize)
std::string file_name = path + "data/rtklib_test/obs_test1.xml";
@ -417,10 +415,6 @@ TEST(RTKLibSolverTest, test1)
// p_time += boost::posix_time::microseconds(round(rtklib_utc_time.sec * 1e6));
// std::cout << TEXT_MAGENTA << "Observable RX time (GPST) " << boost::posix_time::to_simple_string(p_time) << TEXT_RESET << std::endl;
std::cout << "Position at " << boost::posix_time::to_simple_string(d_ls_pvt->get_position_UTC_time())
<< " UTC using " << d_ls_pvt->get_num_valid_observations() << " observations is Lat = " << d_ls_pvt->get_latitude() << " [deg], Long = " << d_ls_pvt->get_longitude()
<< " [deg], Height = " << d_ls_pvt->get_height() << " [m]" << std::endl;
std::cout << "RTKLIB Position at RX TOW = " << gnss_synchro_map.begin()->second.RX_time
<< " in ECEF (X,Y,Z,t[meters]) = " << std::fixed << std::setprecision(16)
<< d_ls_pvt->pvt_sol.rr[0] << ","
@ -433,8 +427,32 @@ TEST(RTKLibSolverTest, test1)
//todo: check here the positioning error against the reference position generated with gnss-sim
//reference position on in WGS84: Lat (deg), Long (deg) , H (m): 30.286502,120.032669,100
arma::vec LLH = {30.286502, 120.032669, 100}; //ref position for this scenario
double error_LLH_m = great_circle_distance(LLH(0), LLH(1), d_ls_pvt->get_latitude(), d_ls_pvt->get_longitude());
std::cout << "Lat, Long, H error: " << d_ls_pvt->get_latitude() - LLH(0)
<< "," << d_ls_pvt->get_longitude() - LLH(1)
<< "," << d_ls_pvt->get_height() - LLH(2) << " [deg,deg,meters]" << std::endl;
std::cout << "Haversine Great Circle error LLH distance: " << error_LLH_m << " [meters]" << std::endl;
arma::vec v_eb_n = {0.0, 0.0, 0.0};
arma::vec true_r_eb_e;
arma::vec true_v_eb_e;
pv_Geo_to_ECEF(degtorad(LLH(0)), degtorad(LLH(1)), LLH(2), v_eb_n, true_r_eb_e, true_v_eb_e);
arma::vec measured_r_eb_e = {d_ls_pvt->pvt_sol.rr[0], d_ls_pvt->pvt_sol.rr[1], d_ls_pvt->pvt_sol.rr[2]};
arma::vec error_r_eb_e = measured_r_eb_e - true_r_eb_e;
std::cout << "ECEF position error vector: " << error_r_eb_e << " [meters]" << std::endl;
double error_3d_m = arma::norm(error_r_eb_e, 2);
std::cout << "3D positioning error: " << error_3d_m << " [meters]" << std::endl;
//check results against the test tolerance
ASSERT_LT(error_3d_m, 1.0);
pvt_valid = true;
}
}

38
src/utils/matlab/libs/dll_pll_veml_read_tracking_dump.m
View File

@ -33,7 +33,7 @@ function [GNSS_tracking] = dll_pll_veml_read_tracking_dump (filename, count)
m = nargchk (1,2,nargin);
num_float_vars = 17;
num_float_vars = 19;
num_unsigned_long_int_vars = 1;
num_double_vars = 1;
num_unsigned_int_vars = 1;
@ -114,17 +114,23 @@ else
fseek(f,bytes_shift,'bof'); % move to next float
v16 = fread (f, count, 'float', skip_bytes_each_read - float_size_bytes);
bytes_shift = bytes_shift + float_size_bytes;
fseek(f,bytes_shift,'bof'); % move to next interleaved float
fseek(f,bytes_shift,'bof'); % move to next float
v17 = fread (f, count, 'float', skip_bytes_each_read - float_size_bytes);
bytes_shift = bytes_shift + float_size_bytes;
fseek(f,bytes_shift,'bof'); % move to next float
v18 = fread (f, count, 'float', skip_bytes_each_read-float_size_bytes);
v18 = fread (f, count, 'float', skip_bytes_each_read - float_size_bytes);
bytes_shift = bytes_shift + float_size_bytes;
fseek(f,bytes_shift,'bof'); % move to next interleaved float
v19 = fread (f, count, 'float', skip_bytes_each_read - float_size_bytes);
bytes_shift = bytes_shift + float_size_bytes;
fseek(f,bytes_shift,'bof'); % move to next float
v20 = fread (f, count, 'float', skip_bytes_each_read-float_size_bytes);
bytes_shift = bytes_shift + float_size_bytes;
fseek(f,bytes_shift,'bof'); % move to next double
v19 = fread (f, count, 'double', skip_bytes_each_read - double_size_bytes);
v21 = fread (f, count, 'double', skip_bytes_each_read - double_size_bytes);
bytes_shift = bytes_shift + double_size_bytes;
fseek(f,bytes_shift,'bof'); % move to next unsigned int
v20 = fread (f, count, 'uint', skip_bytes_each_read - unsigned_int_size_bytes);
v22 = fread (f, count, 'uint', skip_bytes_each_read - unsigned_int_size_bytes);
fclose (f);
GNSS_tracking.VE = v1;
@ -137,15 +143,17 @@ else
GNSS_tracking.PRN_start_sample = v8;
GNSS_tracking.acc_carrier_phase_rad = v9;
GNSS_tracking.carrier_doppler_hz = v10;
GNSS_tracking.code_freq_hz = v11;
GNSS_tracking.carr_error = v12;
GNSS_tracking.carr_nco = v13;
GNSS_tracking.code_error = v14;
GNSS_tracking.code_nco = v15;
GNSS_tracking.CN0_SNV_dB_Hz = v16;
GNSS_tracking.carrier_lock_test = v17;
GNSS_tracking.var1 = v18;
GNSS_tracking.var2 = v19;
GNSS_tracking.PRN = v20;
GNSS_tracking.carrier_doppler_rate_hz_s = v11;
GNSS_tracking.code_freq_hz = v12;
GNSS_tracking.code_freq_rate_hz_s = v13;
GNSS_tracking.carr_error = v14;
GNSS_tracking.carr_nco = v15;
GNSS_tracking.code_error = v16;
GNSS_tracking.code_nco = v17;
GNSS_tracking.CN0_SNV_dB_Hz = v18;
GNSS_tracking.carrier_lock_test = v19;
GNSS_tracking.var1 = v20;
GNSS_tracking.var2 = v21;
GNSS_tracking.PRN = v22;
end