| Consideration of time-correlated errors in a Kalman filter applicable to GNSS MG Petovello, K O’Keefe, G Lachapelle, ME Cannon Journal of Geodesy 83, 51-56, 2009 | 154 | 2009 |
| The Igliniit project: Inuit hunters document life on the trail to map and monitor arctic change S Gearheard, C Aporta, G Aipellee, K O’Keefe The Canadian Geographer/Le Géographe canadien 55 (1), 42-55, 2011 | 130 | 2011 |
| Availability and reliability advantages of GPS/Galileo integration K O‘Keefe Proceedings of the 14th International Technical Meeting of the Satellite …, 2001 | 57 | 2001 |
| Tightly-coupled GNSS/vision using a sky-pointing camera for vehicle navigation in urban areas PV Gakne, K O’Keefe Sensors 18 (4), 1244, 2018 | 56 | 2018 |
| Estimation and analysis of two-line elements for small satellites E Kahr, O Montenbruck, KPG O’Keefe Journal of Spacecraft and Rockets 50 (2), 433-439, 2013 | 49 | 2013 |
| Tightly-coupled GPS/UWB integration G MacGougan, K O'Keefe, R Klukas The Journal of Navigation 63 (1), 1-22, 2010 | 44 | 2010 |
| GPS tracking of a nanosatellite–the CanX-2 flight experience E Kahr, O Montenbruck, K O'Keefe, S Skone, J Urbanek, L Bradbury, ... | 43 | 2011 |
| Ultra-wideband ranging precision and accuracy G MacGougan, K O'keefe, R Klukas Measurement science and technology 20 (9), 095105, 2009 | 41 | 2009 |
| GNSS code multipath mitigation by cascading measurement monitoring techniques A Pirsiavash, A Broumandan, G Lachapelle, K O’keefe Sensors 18 (6), 1967, 2018 | 40 | 2018 |
| Partial ambiguity fixing within multiple frequencies and systems W Cao, K O’Keefe, ME Cannon Proceedings of the 20th international technical meeting of the satellite …, 2007 | 40 | 2007 |
| Demonstration of inter-vehicle UWB ranging to augment DGPS for improved relative positioning MG Petovello, K O'Keefe, B Chan, S Spiller, C Pedrosa, C Basnayake Proceedings of the 23rd International Technical Meeting of the Satellite …, 2010 | 39 | 2010 |
| Assessing Probability of Correct Ambiguity Resolution in the Presence of Time‐Correlated Errors K O'Keefe, M Petovello, G Lachapelle, ME Cannon Navigation 53 (4), 269-282, 2006 | 37 | 2006 |
| Detecting and correcting for human obstacles in BLE trilateration using artificial intelligence S Naghdi, K O’Keefe Sensors 20 (5), 1350, 2020 | 36 | 2020 |
| Availability, accuracy, reliability, and carrier-phase ambiguity resolution with Galileo and GPS K O’Keefe, O Julien, ME Cannon, G Lachapelle Acta Astronautica 58 (8), 422-434, 2006 | 36 | 2006 |
| Global availability and reliability assessment of the GPS and Galileo global navigation satellite systems K O'Keefe, S Ryan, G Lachapelle Canadian aeronautics and space journal 48 (2), 123-132, 2002 | 34 | 2002 |
| Seamless outdoor-to-indoor pedestrian navigation using GPS and UWB DS Chiu, K O'Keefe Proceedings of the 21st International Technical Meeting of the Satellite …, 2008 | 33 | 2008 |
| Bierman-Thornton UD filtering for double-differenced carrier phase estimation accounting for full mathematical correlation DS Chiu, KPG O'Keefe Proceedings of the 2008 National Technical Meeting of The Institute of …, 2008 | 33 | 2008 |
| The Igliniit project: Combining Inuit knowledge and geomatics engineering to develop a new observation tool for hunters S Gearheard, G Aipellee, K O’Keefe Siku: Knowing our ice: Documenting Inuit sea ice knowledge and use, 181-202, 2010 | 30 | 2010 |
| Step-size estimation using fusion of multiple wearable inertial sensors C Tjhai, K O'Keefe 2017 International Conference on Indoor Positioning and Indoor Navigation …, 2017 | 27 | 2017 |
| Assessing three new GPS combined L1/L2C acquisition methods C Gernot, K O'Keefe, G Lachapelle IEEE Transactions on Aerospace and Electronic Systems 47 (3), 2239-2247, 2011 | 27 | 2011 |
Gerard Lachapelle, Professor EmeritusUniversity of Calgary, Geomatics EngineeringVerified email at ucalgary.ca
