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Carles Fernandez 2018-11-26 22:13:33 +01:00
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@ -16,6 +16,7 @@ Next release will have several improvements in different dimensions, addition of
- Redesign of the time counter for enhanced continuity.
- Improved flow graph in multisystem configurations: the receiver does not get stalled anymore if no signal is found from the first system.
- Improved acquisition and tracking sensitivity.
- Added mechanisms for Assisted GNSS, thus shortening the Time-To-First-Fix. Provision of data via XML files or via SUPL v1.0. Documented at https://gnss-sdr.org/docs/sp-blocks/global-parameters/
- Other minor bug fixes.
@ -27,6 +28,7 @@ Next release will have several improvements in different dimensions, addition of
- New volk_gnsssdr kernels: volk_gnsssdr_16i_xn_resampler_16i_xn.h, volk_gnsssdr_16ic_16i_rotator_dot_prod_16ic_xn.h, volk_gnsssdr_32f_xn_resampler_32f_xn.h, volk_gnsssdr_32fc_32f_rotator_dot_prod_32fc_xn.h
- Some AVX2 implementations added to the volk_gnsssdr library.
- Improvement in C++ usage: Use of const container calls when result is immediately converted to a const iterator. Using these members removes an implicit conversion from iterator to const_iterator.
- Output printers can be shut down, with some savings in memory and storage requirements.
- A number of code optimizations here and there.
@ -34,7 +36,8 @@ Next release will have several improvements in different dimensions, addition of
- A number of new parameters have been exposed to the configuration system.
- Possibility to choose Pilot or Data component for tracking of GPS L5 and Galileo E5a signals.
- Enabled extended coherent integration times.
- Enabled extended coherent integration times for signal tracking.
- Configurable coherent and/or non-coherent signal acquisition.
- Some configuration parameters can now be overridden by commandline flags for easier use in scripts.
@ -48,11 +51,14 @@ Next release will have several improvements in different dimensions, addition of
- Added five more signal sources: "Fmcomms2_Signal_Source" (requires gr-iio), "Plutosdr_Signal Source" (requires gr-iio), "Spir_GSS6450_File_Signal_Source", "Labsat_Signal_Source" and "Custom_UDP_Signal_Source" (requires libpcap). Documented in https://gnss-sdr.org/docs/sp-blocks/signal-source/
- Improved support for BladeRF, HackRF and RTL-SDR front-ends.
- Added tools for the interaction with front-ends based on the AD9361 chipset.
- Intermediate results are now saved in .mat binary format, readable from Matlab/Octave and from Python via h5py.
- Intermediate results are now saved in MAT-file format (.mat), readable from Matlab/Octave and from Python via h5py.
- Added the GPX output format.
- Fixed a bug in the format of NMEA sentences when latitude or longitude minutes were >10.
- Improvements in the generation of KML files.
- Improvements in the NMEA output. The receiver can produce GPGGA, GPRMC, GPGSA, GPGSV, GAGSA and GAGSV sentences.
- Improvements in the RTCM server stability.
- Improvements in the correctness of generated RINEX files.
- The receiver can read and make use of Galileo almanac XML files published by the European GNSS Service Centre at https://www.gsc-europa.eu/system-status/almanac-data
- Added program rinex2assist to convert RINEX navigation files into XML files usable for AGNSS. Only available building from source. See https://github.com/gnss-sdr/gnss-sdr/tree/next/src/utils/rinex2assist
### Improvements in Maintainability:
@ -64,6 +70,8 @@ Next release will have several improvements in different dimensions, addition of
- Improvement in C++ usage: The override special identifier is now used when overriding a virtual function. This helps the compiler to check for type changes in the base class, making the detection of errors easier.
- Improvement in C++ usage: A number of unused includes have been removed. Order of includes set to: local (in-source) headers, then library headers, then system headers. This helps to detect missing includes.
- Improvement in C++ usage: Enhanced const correctness. Misuses of those variables are detected by the compiler.
- Applied some style rules to CMake scripts.
- Minimal versions of dependencies identified and detected.
### Improvements in Portability:
@ -76,15 +84,16 @@ Next release will have several improvements in different dimensions, addition of
- The Ninja build system can be used in replacement of make.
- The volk_gnsssdr library can be built using Python 2.7 or Python 3.6.
- The volk_gnsssdr library is now ready for AArch64 NEON instructions.
- Ready for GNU Radio 3.8 C++ API (as per current next branch of GNU Radio upstream repository).
- Ready for GNU Radio 3.8 C++ API (as per current master branch of GNU Radio upstream repository).
- Improved detection of required and optional dependencies in many GNU/Linux distributions and processor architectures.
- Improvement in C++ usage: The <ctime> library has been replaced by the more modern and portable <chrono>.
- Improvement in C++ usage: The <ctime> library has been replaced by the more modern and portable <chrono> (except for the interaction with RTKLIB).
- Improvement in C++ usage: The <stdio.h> library has been replaced by the more modern and portable <fstream> for file handling.
- Improvement in C++ usage: C++ libraries preferred over C libraries (e.g., <cctype> instead of <ctype.h>, <cmath> instead of <math.h>).
- Fixes required by Debian packaging.
- Fixes required by Macports packaging.
- A downside in portability: BLAS and LAPACK libraries are now required even in ARM devices.
- A downside in portability: the matio library >= 1.5.3 is a new required dependency. If not found, it is downloaded and built automatically at building time, but this requires libtool, automake and hdf5 already installed in the system.
- A downside in portability: the PugiXML library is a new required dependency. If not found, it is downloaded and built automatically at building time.
### Improvements in Reliability:
@ -93,6 +102,7 @@ Next release will have several improvements in different dimensions, addition of
- Improved flow graph stabiliy.
- Introduction of high-integrity C++ practices into the source code and included in the coding style guide. See https://gnss-sdr.org/coding-style/
- Fixed a number of defects detected by Coverity Scan.
- Improvement of QA code and addition of a number of new tests. Documented at https://gnss-sdr.org/docs/tutorials/testing-software-receiver-2/
- Improvement in C++ usage: rand() function replaced by <random> library.
- Improvement in C++ usage: strlen and strncpy have been replaced by safer C++ counterparts.
- Improvement in C++ usage: Some destructors have been fixed, avoiding segmentation faults when exiting the program.
@ -122,9 +132,10 @@ Next release will have several improvements in different dimensions, addition of
- All Observables block implementations have been merged into a single implementation for all kinds of GNSS signals, making it easier to configure.
- All PVT block implementations have been merged into a single implementation for all kinds of GNSS signals, making it easier to configure.
- Misleading parameter name GNSS-SDR.internal_fs_hz has been replaced by GNSS-SDR.internal_fs_sps. The old parameter name is still read. If found, a warning is provided to the user.
- Updated and improved documentation of processing blocks at https://gnss-sdr.org/docs/sp-blocks/
- Misleading parameter name GNSS-SDR.internal_fs_hz has been replaced by GNSS-SDR.internal_fs_sps. The old parameter name is still read. If found, a warning is provided to the user. The old name will be removed in future releases.
- Updated and improved online documentation of processing blocks at https://gnss-sdr.org/docs/sp-blocks/
- Improved documentation of required dependency packages in several GNU/Linux distributions.
- Dump and output files can now be stored anywhere.
- Parameter names with the same role have been harmonized within different block implementations.
- Added a changelog, a code of conduct, a contributing guide and a pull-request template in the source tree.
- Added colors to the commandline user interface.