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Carles Fernandez 2018-12-13 10:39:25 +01:00
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## [Unreleased](https://github.com/gnss-sdr/gnss-sdr/tree/next) ## [0.0.10](https://github.com/gnss-sdr/gnss-sdr/releases/tag/v0.0.10)
Next release will have several improvements in different dimensions, addition of new features and bug fixes: This release has several improvements in different dimensions, addition of new features and bug fixes:
### Improvements in Accuracy: ### Improvements in Accuracy:
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- Internal Finite State Machines rewritten for improved continuity in delivering position fixes. This fixes a bug that was stalling the receiver after about six hours of continuous operation. - Internal Finite State Machines rewritten for improved continuity in delivering position fixes. This fixes a bug that was stalling the receiver after about six hours of continuous operation.
- Redesign of the time counter for enhanced continuity. - 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 flow graph in multi-system configurations: the receiver does not get stalled anymore if no signal is found from the first system.
- Improved acquisition and tracking sensitivity. - 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/ - 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. - Other minor bug fixes.
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### Improvements in Efficiency: ### Improvements in Efficiency:
- Added the possibility of non-blocking acquisition, which works well when using real-time data from an RF front-end. - Added the possibility of non-blocking acquisition, which works well when using real-time data from an RF front-end.
- Improved flow graph in multiband configurations: satellites acquired in one band are immediately searched in others. - Improved flow graph in multi-band configurations: satellites acquired in one band are immediately searched in others.
- Complex local codes have been replaced by real codes, alleviating the computational burden. - Complex local codes have been replaced by real codes, alleviating the computational burden.
- 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 - 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. - Some AVX2 implementations added to the volk_gnsssdr library.
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### Improvements in Testability: ### Improvements in Testability:
- Several Unit Tests added. Documentation of testing concepts and available tests at https://gnss-sdr.org/docs/tutorials/testing-software-receiver/ - Several Unit Tests added. Documentation of testing concepts and available tests at https://gnss-sdr.org/docs/tutorials/testing-software-receiver/
- New extra unit test AcquisitionPerformanceTest checks the performance of Acquisition blocks.
- New extra unit test TrackingPullInTest checks acquisition to tracking transition.
- New extra unit test HybridObservablesTest checks the generation of observables.
- Improved system testing: position_test accepts a wide list of parameters and can be used with external files. - Improved system testing: position_test accepts a wide list of parameters and can be used with external files.
- Receiver channels can now be fixed to a given satellite. - Receiver channels can now be fixed to a given satellite.
- Testing integrated in a Continuous Reproducibility system (see above). - Testing integrated in a Continuous Reproducibility system (see above).