Smartphone Decimeter Challenge
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Google, the Institute of Navigation's Satellite Division, and Kaggle are sponsoring the 3rd Smartphone Decimeter Challenge at ION GNSS+. The competition begins Sep 12, 2023, and ends May 23, 2024. Over 150 new traces containing raw GNSS measurements, sensor data, and precise ground truth will be publicly available. Participation in the competition is open to everyone. Participants are encouraged to submit an abstract to the session titled "Smartphone Decimeter Challenge" which will take place at ION GNSS+ 2024.

Competition Description:

Teams develop high precision GNSS positioning using a pool of GNSS & IMU datasets collected from smartphones, accompanied by high accuracy ground truth. They compete to achieve the best location accuracy with the datasets provided. To be eligible for prizes, competitors must provide a technical paper, register for the ION GNSS+ 2024 conference and present their paper. Authors must submit a completed manuscript in proper form by June 30, 2024.

See for details.

The top three teams receive:

  • Prize money ($7,000 first place; $5,000 second place; and $3,000 third place)
  • A guaranteed speaking slot at ION GNSS+ 2024
  • A complimentary registration for the presenting author
  • Up to four nights complimentary lodging for the presenting author
  • ION GNSS+ conference attendance incentive of $1,700 for the presenting author

Additional Information

  • For more information, including rules and regulations, visit
  • Presenting authors not placing first, second or third in the competition are required to register for the ION GNSS+ conference and pay applicable registration fees.
  • Additional information on 2024 Competition