Smartphone Decimeter Challenge
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Google will be holding a Smartphone Decimeter Challenge in conjunction with ION GNSS+ 2021. Participation in the competition is open to everyone. To participate, submit an abstract to the session titled "High Precision GNSS Positioning on Smartphones Challenge" taking place at ION GNSS+ 2021. See for details on how to download the training datasets, including ground truth.

Session Description:

Academic and research teams are encouraged to compete in a challenge using a pool of GNSS datasets collected from smartphones, and high accuracy ground truth. The motivation is to encourage the GNSS community to develop high precision GNSS positioning on smartphones. Teams will compete to achieve the best location accuracy with the datasets provided.

Participation in the competition is open to everyone. To be eligible for prizes, participants are expected to register for and present their results at the conference. Competitors wanting a peer reviewed version of their results to appear in the conference proceedings are required to have full results and accompanying paper submitted per competition and conference guidelines by June 30 for peer review.

Paper selection for presentation at the conference will be based on the accuracy results and theoretical innovation. Top teams will also receive cash prizes. 

Additional Information

  • For more information, including rules and regulations, visit and click on "Smartphone Decimeter Competition" in the blue box.
  • Presenting author will be required to register for ION GNSS+ conference and pay applicable registration fees.
  • Go to the ION Abstract Management Portal to submit an abstract.