Publications

Journal papers:
  • Yi D, S Bisnath, N Naciri, S Vana (2021) “Effects of ionospheric constraints in Precise Point Positioning processing of geodetic, low-cost and smartphone GNSS measurements.” Measurement. 65(1): 109887.
  • Naciri N, S Bisnath (2021) “An uncombined triple-frequency user implementation of the decoupled clock model for PPP-AR.” J Geodesy. 95(5): 1-17.
  • Lee J, S Bisnath, RSK Lee, NG Kilane (2021) “Computation approach for quantitative dielectric constant from time sequential data observed by CYGNESS satellites.” Remote Sensing. 13(11): 2032.
  • Naciri N, A Hauschild, S Bisnath (2021) “Exploring signals on L5/E5a/B2a for dual-frequency GNSS Precise Point Positioning.” Sensors. 21(6): 2046.
  • Shinghal G, S Bisnath (2021) “Conditioning and PPP processing of smartphone GNSS measurements in realistic environments.” Satellite Navigation. 2(1): 1-17.
  • Aggrey J, S Bisnath, N Naciri, G Shinghal, S Yang (2020) “Multi-GNSS Precise Point Positioning with next-generation smartphone measurements.” J Spatial Science. 65(1): 79-98.
  • Vana S, J Aggrey, S Bisnath, R Leandro, L Urquart, P Gonzalez (2019) “Analysis of GNSS correction data standards for the automotive market.” Navigation. 66(3): 577-592.
  • Aggrey J, S Bisnath (2019) “Improving GNSS PPP convergence: The case of atmospheric-constrained, multi-GNSS PPP-AR.” Sensors. 19(3): 587.
  • Seepersad G, S Bisnath (2017) “An assessment of the interoperability of PPP-AR network products.” Journal of Global Positioning Systems. 15: 4.
  • Choy S, S Bisnath, C Rizos (2017) “Uncovering common misconceptions in GNSS Precise Point Positioning and its future prospect.” GPS Solutions. 21(1): 13-22.
  • Aggrey J, S Bisnath (2016) “Dependence of GLONASS pseudorange inter-frequency bias on receiver-antenna combination and impact on Precise Point Positioning.” Navigation. 63(4): 379-391.
  • Guruprasad S, S Bisnath, R Lee, J Kozinski (2016) “Design and implementation of a low-cost SoC-based software GNSS receiver.” IEEE Aerospace and Electronic Systems Magazine. 31(4): 14-19.
  • Seepersad G, S Bisnath (2015). Reduction of PPP convergence period through pseudorange multipath and noise mitigation. GPS Solutions. 19(3): 369-379.
  • Lindenthal SM, C Armenakis, JG Wang, S Bisnath, H Goldman (2015). Sensor-driven calibration and co-registration of airborne multisensory LiDAR data. Canadian J of Remote Sensing. 41(3): 145-158.
  • Seepersad, G, S Bisnath (2014). “Assessing the accuracy of Precise Point Positioning.” Journal of Applied Geodesy, 8(3): 205-222.
  • Bisnath, S., A. Saeidi, J.-G. Wang and G. Seepersad (2013). “Evaluation of network RTK performance and elements of certification – a southern Ontario case study.” Geomatica, 67(4): 243-251.
  • Mander, A. and S. Bisnath, S. (2013). “GPS-based precise orbit determination of low Earth orbiters with limited resources.” GPS Solutions, 17(4): 587-594.
  • Bisnath, S. and Collins, P. (2012). “Recent developments in Precise Point Positioning.” Geomatica, 66(2): 375-385.
  • Collins, P., S. Bisnath, F. Lahaye, and P. Héroux (2010). “Undifferenced GPS ambiguity resolution using the Decoupled Clock Model and ambiguity datum fixing.” Navigation, 57(2): 123-136.
  • Pagiatakis, S., S. Bisnath, C. Armenakis, and J.-G. Wang (2009). "The establishment of a geomatics engineering program and its challenges: The York University case." Geomatica, 63(2): 97-108.
Refereed conference proceedings papers:
  • Naciri N, Bisnath S (2020). Multi-GNSS ambiguity resolution as a substitute to obstructed satellites in Precise Point Positioning processing. Proceedings of ION GNSS+ 2020, 23-25 September, St. Louis, Missouri, pp. 2960-2971.
  • Shinghal G, Bisnath S (2020). Analysis and pre-processing of raw measurements from smartphones in realistic environments. Proceedings of ION GNSS+ 2020, 23-25 September, St. Louis, Missouri, pp. 3140-3154.
  • Bisnath S (2020). PPP: Perhaps the natural processing mode for precise GNSS PNT. Proceedings of IEEE/ION PLANSx 2020, 23-25 September, St. Louis, Missouri, pp. 419-425.
  • Vana S, Naciri N, Bisnath S (2020). Benefits of motion constraining for robust, low-cost, dual-frequency GNSS PPP + MEMS IMU navigation. Proceedings of IEEE/ION PLANSx 2020, 23-25 September, St. Louis, Missouri, pp. 1093-1103.
  • Vana S, Naciri N, Bisnath S (2020). Enhancing navigation in difficult environments with low-cost, dual-frequency GNSS PPP and MEMS-IMU. International Association of Geodesy Symposia," pp. 1-8.
  • Yang S, S Bisnath (2020). GNSS PPP navigation in obstructed environments using clock coasting. Proceedings of the 2020 ION International Technical Meeting, 21-24 January, San Diego, California, pp. 521-537.
  • Aggrey J, S Bisnath, N Naciri, G Shinghal, S Yang (2019). Accuracy trend analysis of low-cost GNSS chips: The case of multi-constellation GNSS PPP. Proceedings of ION GNSS+ 2019, 16-20 September, Miami, Florida, pp. 3618-3635.
  • Aggrey J, S Bisnath, N Naciri, G Shinghal, S Yang (2019). Use of PPP processing for next-generation smartphone GNSS chips: Key benefits and challenges. Proceedings of ION GNSS+ 2019, 16-20 September, Miami, Florida, pp. 3862-2878.
  • Guruprasad S (2019). Design and development of an improved sensitivity reconfigurable GNSS receiver for space-based reflectometry. Proceedings of ION GNSS+ 2019, 16-20 September, Miami, Florida, pp. 3437-3450.
  • Aggrey J (2018). Assessment of global and regional ionospheric corrections in multi-GNSS PPP. Proceedings of ION GNSS+ 2018, 24-28 September, Miami, Florida, pp. 3967-3981.
  • Vana S, J Aggrey, S Bisnath, R Leandro, L Urquhart, P Gonzalez (2018). Analysis of GNSS correction data standards for the automotive market. Proceedings of ION GNSS+ 2018, 24-28 September, Miami, Florida, pp. 4197-4214.
  • Aggrey J, S Bisnath (2017). Analysis of multi-GNSS PPP initialization using dual- and triple-frequency data. Proceedings of ION International Technical Meeting 2015, 30 January-02 February, Monterey, California, pp. 445-458.
  • Seepersad G, S Bisnath (2015). Examining the Interoperability of PPP-AR Products. Proceedings of ION GNSS+ 2015, 14-18 September, Tampa, Florida, pp. 2845-2857.
  • Seepersad G, J Aggrey, M Gill, S Bisnath, D Kim, H Tang (2015). Analysis and modelling of pseudorange and carrier-phase biases in GNSS Precise Point Positioning. Proceedings of ION GNSS+ 2015, 14-18 September, Tampa, Florida, pp. 2537-2547.
  • Lee, R., S. Bisnath, H. Chesser, A. Ng, G. Vukovich, D. Sun, S. Gleason, and A. de Ruiter (2012). “Northern communication and GNSS science nanosatellite constellation mission.” In Novel ideas for nanosatellite constellation missions,
  • Ed. R. Sandau, S. Nakasuka, R. Kawashima, and J. Sellers, IAA Book Series, Vol. 1 No. 1, IAA, Paris, 164 p.
  • Dolgansky, A., A. Szeto, and S. Bisnath (2009). “Software simulation of multiple Global Navigation Satellite System measurements.” In 2009 IEEE Toronto International Conference - Science and Technology for Humanity, 26-27 September 2009 Toronto, Ontario, Canada, IEEE Xplorer: 322-327.
  • Bisnath, S. and Y. Gao (2009). “Current state of precise point positioning and future prospects and limitations.” International Association of Geodesy Symposia – Observing our changing earth," (Ed.) M. Sideris, 133: 615-623.
  • Santos, M. R.B. Langley, R.F. Leandro, S. Pagiatakis, S. Bisnath, R. Santerre, M. Cocard, A. El-Rabbany, R. Landry, H. Dragert, P. Héroux and P. Collins (2009). “Next-generation algorithms for navigation, geodesy and earth sciences under modernized Global Navigation Satellite Systems (GNSS).” International Association of Geodesy Symposia – Observing our changing earth," (Ed.) M. Sideris, 133: 817-824.
Conference proceedings papers:
  • Ogunuase J, D Wells, S Bisnath (2020). Vertical accuracies of mass-market GNSS receivers and antennas in ellipsoid reference survey strategy for marine applications. Proceedings of OCEANS 2020, 05-30 October, Singapore – U.S. Gulf Coast, pp. 1-8.
  • Aggrey J, G Seepersad, S Bisnath (2017). Performance analysis of atmospheric constrained uncombined multi-GNSS PPP. Proceedings of ION GNSS+ 2017, 25-29 September, Portland, Oregon, pp. 2191-2203.
  • Gill M, S Bisnath, J Aggrey, G Seepersad (2017). Precise Point Positioning (PPP) using ultra-low-cost and low-cost GNSS receivers. Proceedings of ION GNSS+ 2017, 25-29 September, Portland, Oregon, pp. 226-236.
  • Seepersad G, J Aggrey, S Bisnath (2017). Do we need ambiguity resolution in multi-GNSS PPP for accuracy or integrity? Proceedings of ION GNSS+ 2017, 25-29 September, Portland, Oregon, pp. 2204-2218.
  • Bisnath S (2016). The ascent and realities of PPP. Proceedings of ION GNSS+ 2016, 12-16 September, Portland, Oregon, pp. 621-632.
  • Seepersad G, S Banville, P Collins, S Bisnath, F Lahaye (2016). Integer satellite clock combination for Precise Point Positioning with ambiguity resolution. Proceedings of ION GNSS+ 2016, 12-16 September, Portland, Oregon, pp. 2058-2068.
  • Aggrey, J. and Bisnath, S. (2014). "Analysis and modelling of pseudorange and carrier-phase biases in GNSS Precise Point Positioning," Proceedings of the Institute of Navigation International Technical Meeting ION GNSS 2014, Tampa, FL, September 2014, pp. 2512-2522.
  • Seepersad, G S Bisnath (2013). "Integrity Monitoring in Precise Point Positioning," Proceedings of the Institute of Navigation International Technical Meeting ION GNSS 2013, Nashville, TN, September 2013, pp. 1164-1175.
  • Collins, P., F. Lahaye, and S. Bisnath (2012). “External ionospheric constraints for improved PPP-AR initialisation and a generalised local augmentation concept.” Proceedings of The Institute of Navigation International Technical Meeting ION GNSS 2012, 17-21 September, Nashville, Tennessee, The Institute of Navigation, pp. 3055-3065.
  • Seepersad, G. and S. Bisnath (2012). “Reduction of Precise Point Positioning convergence period.” Proceedings of The Institute of Navigation International Technical Meeting ION GNSS 2012, 17-21 September, Nashville, Tennessee, The Institute of Navigation, pp. 3742-3752.
  • Collins, P., and S. Bisnath (2011). “Issues in ambiguity resolution for Precise Point Positioning.” Proceedings of The Institute of Navigation International Technical Meeting ION GNSS 2010, 20-23 September, Portland, Oregon, The Institute of Navigation, pp. 679 - 687.
  • Saeidi, A., S. Bisnath, J.-G. Wang, and G. Seepersad (2011). “On the use of network RTK to replace static relative positioning for geodetic GPS surveys.” Proceedings of The Institute of Navigation International Technical Meeting ION GNSS 2010, 20-23 September, Portland, Oregon, The Institute of Navigation, pp. 2310 - 2317.
  • Bisnath, S., A. Dolgansky, and A. Szeto (2010). “Development of a multi-GNSS software simulator.” Proceedings of The Institute of Navigation International Technical Meeting ION GNSS 2010, 21-24 September, Portland, Oregon, The Institute of Navigation, pp. 892-899.
  • Mander, A and S. Bisnath, S. (2010). “Constrained GPS precise orbit determination for Low Earth Orbiters.” Proceedings of The Institute of Navigation International Technical Meeting ION GNSS 2010, 21-24 September, Portland, Oregon, The Institute of Navigation, pp. 2789-2796.
    Collins, P., J. Henton, Y. Mireault, P. Heroux, M. Schimdt, H. Dragert, and S.
  • Bisnath (2009). “Precise Point Positioning for real-time determination of co-seismic crustal motion.” Proceedings of The Institute of Navigation International Technical Meeting ION GNSS 2009, 22-25 September, Savannah, Georgia, The Institute of Navigation, pp. 2479 - 2488.
  • Collins, P., F. Lahaye, P. Héroux, and S. Bisnath (2008). “Precise Point Positioning with Ambiguity Resolution using the Decoupled Clock Model.” Proceedings of The Institute of Navigation International Technical Meeting ION GNSS 2008, 16-19 September, Savannah, Georgia, The Institute of Navigation, pp. 1315-1322.
Book chapters:
  • Bisnath S (2020). Relative positioning and Real-Time Kinematic (RTK). In Global Positioning System: Theory and Applications, Volume III. Eds. JJ Spilker, P Alexrad, BW Parkinson, P Enge, J Morton. American Institute of Aeronautics and Astronautics, John Wiley & Sons, Inc., pp. 481-502.
  • Bisnath S, M Uijt de Haag, DW Diggle, C Hegarty, D Milbert, T Walter (2017). Differential GNSS and Precise Point Positioning. In Understanding GNSS: Principles and applications. 3rd ed. Eds. ED Kaplan and C Hegarty. Artech House, Boston, 1064 p.
  • Bisnath S (2016). Marine Positioning. In Encyclopedia of Geodesy. Ed. E Grafarend. Springer, Switzerland.
    International Hydrographic Bureau (2014). A Manual on Technical Aspects of the United Nations Convention on the Law of the Sea – 1982 (TALOS). International Hydrographic Bureau, Monaco, 218 p.
Other non-refereed papers and reports:
  • Bisnath, S. (2021). “Prospects for the new Galileo High Accuracy Service in surveying.” Ontario Professional Surveyor, Vol. 64, No. 3, p. 36-40.
  • Naciri N, Bisnath S (2020). “Multi-GNSS ambiguity resolution for signal obstructed PPP.” Inside GNSS, Vol. 15, No. 5, pp. 52-59
  • Bisnath, S., R. Lee, S. Guruprasad, J. Lee (2018). “FPGA-based software defined radio technologies for GNSS receiver design.” Final NSERC CRD report to Honeywell Aerospace, 22 p.
  • Bisnath, S., J. Aggrey, G. Seepersad, M. Gill (2018). “Where are we now, and where are we going?” GPS World, Vol. 20, No. 4, pp. 42-49.
  • Bisnath S, J-G Wang, A Saeidi, G Seepersad (2015). On the certification of network RTK services for MTO surveys. Ministry of Transportation of Ontario Provincial Highways Management Division Report, Highway Infrastructure Innovation Funding Program, 93 p.
  • Bisnath, S. (2013). “How bright is PPP’s future.” Outlook: Supplement to the Professional Surveyor, p. 21.
  • Bisnath, S. (2013). “Why aren’t there more students entering the profession?” Ontario Professional Surveyor, Vol. 56, No. 3, p. 4-5.
  • Bisnath, S., R. Lee, N. Gadkari, S. Guruprasad and T. Thai. (2013). “Spaceborne GNSS software-defined radio project.” Final report: York University / COM DEV Ltd. NSERC Engage project, 44 p.
  • Bisnath, S. (2013). “The future of surveying.” Professional Surveyor, Vol. 33, No. 3, p. 21.
  • Bisnath, S., J.-G. Wang, Saeidi, A. and G. Seepersad (2012). “Utilization of Network RTK GPS in MTO highway surveys.” Ministry of Transportation of Ontario Provincial Highways Management Division Report, Highway Infrastructure Innovation Funding Program, 62 p.
  • Bisnath, S. and Y. Gao (2009). “Precise Point Positioning: A powerful technique with a promising future.” GPS World, Vol. 20, No. 4, pp. 42-49.
  • Bisnath, S. (2007). “What is carrier phase wind-up? What is its effect on GNSS performance / operation?” Inside GNSS, Vol. 2, No. 5, pp. 32-35.