With the release of GNSS raw measurements on Android (Nougat version and higher), GSA has launched the GNSS Raw Measurements Task Force to engage with leading experts in navigation and positioning, and boost innovation around this new feature.
Launched in June 2017, the Task Force aims to share knowledge and expertise on Android raw measurements and its use, including its potential for high accuracy positioning techniques. The Task Force includes GNSS experts, scientists and GNSS market players, and promotes a wider use of these raw measurements.
All new smartphones that feature Android 7.0 (and higher) give application developers direct access to raw GNSS measurements. This unique feature allows users to get not only pseudoranges, Doppler and carrier phase measurements, and opens up the possibility of using alternative strategies for position, velocity and time (PVT) computation.
Galileo is now successfully delivering initial positioning, navigation and timing services, while device manufacturers have unveiled the first generation of Galileo-ready consumer devices. It is against this backdrop that the GSA is now engaging more and more with application developers, as Galileo begins to provide Europeans, and people across the globe, with benefits from this enhanced performance.
An interesting development that may enable higher accuracy for mass market devices is the new availability of raw measurements at the Operating System level, Android 7.0 (and higher).
This innovation was eagerly anticipated by the GNSS community. Raw measurements were already accessible on high-end professional equipment but never on smartphones. Research centres and universities have immediately started testing the new possibilities that the availability of raw measurements may bring. Just a few months after the Nougat launch, several smartphone apps appeared on the market proposing precise point positioning (PPP) solutions for smartphones.
As a first output of this joint endeavour, the GNSS Raw Measurements Task Force has published a “White Paper on using GNSS Raw Measurements on Android devices” . The Paper provides application developers with a broader insight into the topic, including testing results using various positioning techniques, practical tips, and an outlook on its use. The White Paper can be downloaded here.
The use of GNSS raw measurements can lead to increased GNSS performance, opening the door to more advanced GNSS processing techniques that, until some time ago, were restricted to more professional GNSS receivers. Several application areas stand to profit from this increased accuracy, such as augmented reality, location-based advertising, mobile health and asset management. The raw measurements allow also to optimise the multi-GNSS solutions, and to select the satellites/constellations based on their performances or differentiators.
The GNSS Raw Measurements Task Force meets regularly to share and explore experiences, use cases and opportunities enabled by Android GNSS Raw measurements. You can find the presentations of the past two workshops at the following links:
“GNSS Raw measurement taskforce brainstorming session“, 20th July 2017
“GNSS Raw Measurements Workshop: from research to commercial use” 30 May 2018
To bridge the gap between GNSS raw measurements availability and application developers, two Galileo Hackathons, were held in November 2016, May 2017 and November 2017. They focused on the use of GNSS raw measurements with the objective of coming up with innovative applications.
If you have any questions about the GNSS Raw Measurements Task Force and its work, or you would like to become a member, please contact: firstname.lastname@example.org.