Dr. Sanjeev Gunawardena
Research Assistant Professor of Electrical Engineering

 

Contact:
Comm: (937) 255-3636 xx4659
DSN: 785-3636 xx4659
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Education

PhD in Electrical Engineering, Ohio University (2007)

MS in Electrical Engineering, Ohio University (2000)

BS in Electrical Engineering, Ohio University (1997)

BS in Engineering Phisics, Ohio University (1997)

Awards

 

·                 Best Paper of Session for &ldquo A Universal GNSS Software Receiver MATLAB® Toolbox for Education and Research,&rdquo 26th International Technical Meeting of the Satellite Division of the Institute of Navigation (ION GNSS+ 2013), Nashville, TN, September 2013.
·                 Best Paper of Session for &ldquo Analysis of GPS Pseudorange Natural Biases using a Software Receiver,&rdquo 26th International Technical Meeting of The Satellite Division of the Institute of Navigation (ION GNSS+ 2013), Nashville, TN, September 2013.
·                 Northrop Grumman Appreciation Award &ldquo for Sharing his Knowledge and Passion for GNSS Receiver Design with our Students and Employees at Navigation Systems Division&rdquo , October 2011.
·                 10-Year Service Award, Ohio University Avionics Engineering Center, June 2010.
·                 Directors Award, Ohio University Avionics Engineering Center, for &ldquo outstanding work in the transform-domain GPS instrumentation receiver (TRIGR) and GPS software-defined receiver research programs during 2008,&rdquo May 2009.
·                 William E. Jackson Award, RTCA Inc., &ldquo for Outstanding Contribution to Aviation,&rdquo May 2008
·                 Directors Award, Ohio University Avionics Engineering Center, &ldquo for Research on Deeply Integrated GPS/INS Systems, Two Patents Filed, Getting the GPS Anomalous Event Monitor (GAEM) Successfully Transferred to the FAA for Installation at the Memphis Airport and Atlantic City, and for Publications on Deep GPS/INS Integration and Software-Defined Radio,&rdquo June 2006.
·                 5-Year Service Award, Ohio University Avionics Engineering Center, June 2005.
·                 Innovation Recognition Award, Ohio University Technology Transfer Office, &ldquo for Outstanding Inventive Contributions to Ohio University Intellectual Property 2002-2004&rdquo , October 2004.
·                 Turning Goals into Reality Aviation Safety Award, NASA, &ldquo for Outstanding Contributions to Dallas/Fort-Worth Synthetic Vision Systems Team and Exceptional Progress towards Aviation Safety,&rdquo October 2001.
·                 Best Paper of Session Award for &ldquo On Implementing GPS Block Processing Techniques in Fixed Point Programmable Hardware,&rdquo 14th International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GPS 2001), September 2001.
·                 Outstanding Undergraduate, Honors Tutorial College, Engineering Physics program, June 1997
·                 Distinguished Professor Scholarship, Department of Physics and Astronomy, College of Arts and Sciences, Ohio University. Merit-based scholarship covering full tuition for three academic years from 1994/95 thru 1996/97.

Publications

Refereed Journals

· S. Gunawardena, J. Raquet, M. Carroll, “Correlator Beamforming for Multipath Mitigation in High Fidelity GNSS Monitoring Applications,” NAVIGATION: Journal of the Institute of Navigation. (to appear, accepted for publication with minor revisions on June 11, 2018).

· J. Curran, M. Arizabaleta, T. Pany, S. Gunawardena, “The Institute of Navigation’s GNSS SDR Metadata Standard,” Inside GNSS,November/December 2017. http://insidegnss.com/wp-content/uploads/2018/01/novdec17-STANDARDS.pdf

· A. Soloviev, S. Gunawardena, F. Van Graas, &ldquo Mitigation of GPS Cross-Correlation Errors using Semi-Codeless Tracking,&rdquo IEEE Transactions on Aerospace and Electronic Systems, Vol.48, No.1, pp.502-513, January 2012.

· F. Van Graas, A. Soloviev, M. Uijt de Haag, S. Gunawardena, &ldquo Closed-Loop Sequential Signal Processing and Open-Loop Batch Processing Approaches for GNSS Receiver Design,&rdquo IEEE Journal of Selected Topics in Signal Processing, Vol.3, No.4, pp.571-586, August 2009.

· S. Gunawardena, Z. Zhu, M. Uijt de Haag, F. van Graas, &ldquo Remote-Controlled, Continuously Operating GPS Anomalous Event Monitor,&rdquo NAVIGATION, Journal of The Institute of Navigation, Vol. 56, No. 2, Summer 2009, pp. 97-113.

· A. Soloviev, S. Gunawardena, F. van Graas, &ldquo Deeply Integrated GPS/Low-Cost IMU for Low CNR Signal Processing: Concept Description and In-Flight Demonstration,&rdquo NAVIGATION, Journal of The Institute of Navigation, Vol. 55, No. 1, Spring 2008, pp. 1-13.

· S. Gunawardena, A. Soloviev, and F. van Graas, &ldquo Wideband Transform-Domain GPS Instrumentation Receiver for Signal Quality and Anomalous Event Monitoring&rdquo , NAVIGATION, Journal of The Institute of Navigation, Vol. 54, No. 4, Winter 2007-2008, pp. 317-331.

· A. Soloviev, F. van Graas, S. Gunawardena, &ldquo Decoding Navigation Data Messages from Weak GPS Signals,&rdquo IEEE Transactions on Aerospace and Electronic Systems, Vol.45, No.2, pp.660-666, April 2009.

· S. Gunawardena, F. van Graas, &ldquo Split-Sum Correlator Simplifies Range Computations in GPS Receiver&rdquo , Electronics Letters, 7 December 2006, Volume 42, Issue 25, p. 1469-1471.

 

Conference Proceedings

· D. Celebucki, S. Graham, S. Gunawardena, “Reversing a Lattice ECP3 FPGA for Bitstream Protection,” 12th Annual IFIP (International Federation for Information Processing) WG 11.10 International Conference on Critical Infrastructure Protection,Arlington, VA, 13 March 2018.

· P. Patel, S. Gunawardena, R. K. Martin, “Characterization of Phase and Amplitude Quantization Effects in a Direct Digital Synthesis-based Waveform Generator for Future Software-Defined GPS Payloads,” International Technical Meeting of the Institute of Navigation, Jan 29 - Feb 1 2018, Reston VA. https://www.ion.org/publications/abstract.cfm?articleID=15559

· S. Pentecost, S. Gunawardena, “Dynamic Power Allocation with Constant Envelope Transmission for Next Generation Software Defined GPS Payloads,” International Technical Meeting of the Institute of Navigation, Jan 29 - Feb 1 2018, Reston VA.  https://www.ion.org/publications/abstract.cfm?articleID=15560

· S. Gunawardena, F. van Graas &ldquo Analysis of GPS-SPS Inter-PRN Pseudorange Biases due to Receiver Front-End Components,&rdquo Proceedings of the 27th International Technical Meeting of The Satellite Division of the Institute of Navigation (ION GNSS+ 2017), Tampa, FL, September 2014.

· S. Gunawardena, T. Pany &ldquo Initial Report of Activities of the GNSS SDR Metadata Standard Working Group,&rdquo Proceedings of the 27th International Technical Meeting of The Satellite Division of the Institute of Navigation (ION GNSS+ 2017), Tampa, FL, September 2014.

· S. Gunawardena, &ldquo A Universal GNSS Software Receiver MATLAB® Toolbox for Education and Research,&rdquo Proceedings of the 26th International Technical Meeting of The Satellite Division of the Institute of Navigation (ION GNSS+ 2013), Nashville, TN, September 2013, pp. 1560-1576.

· S. Gunawardena, F. van Graas, &ldquo An Empirical Model for Computing GPS SPS Pseudorange Natural Biases Based on High Fidelity Measurements from a Software Receiver,&rdquo Proceedings of the 26th International Technical Meeting of The Satellite Division of the Institute of Navigation (ION GNSS+ 2013), Nashville, TN, September 2013, pp. 1341-1358.

· S. Gunawardena, F. van Graas, &ldquo Analysis of GPS Pseudorange Natural Biases using a Software Receiver,&rdquo Proceedings of the 25th International Technical Meeting of The Satellite Division of the Institute of Navigation (ION GNSS 2012), Nashville, TN, September 2012, pp. 2141-2149.

· S. Gunawardena, F. van Graas, &ldquo High Fidelity Chip Shape Analysis of GNSS Signals using a Wideband Software Receiver,&rdquo Proceedings of the 25th International Technical Meeting of The Satellite Division of the Institute of Navigation (ION GNSS 2012), Nashville, TN, September 2012, pp. 874-883.

· W. Pelgrum, J. Morton, F. van Graas, S. Gunawardena, M. Bakich, D. Chemey, S. Peng, J. Triplett, A. Vermuru, P. Vikram, &ldquo Measurement and Analysis of Artificially-Generated and Natural Ionosphere Scintillations Effects on GNSS Signals,&rdquo Proceedings of the 2011 International Technical Meeting of The Institute of Navigation, San Diego, CA, January 2011, pp. 950-958.

· S. Gunawardena, F. van Graas, &ldquo Multi-Channel Wideband GPS Anomalous Event Monitor,&rdquo Proceedings of the 24th International Technical Meeting of The Satellite Division of the Institute of Navigation (ION GNSS 2011), Portland, OR, September 2011, pp. 1957-1968.

· A. Soloviev, S. Gunawardena, &ldquo Synthetic Aperture GPS Signal Processing for Multi-Platform Antenna Configurations,&rdquo Proceedings of the 22nd International Technical Meeting of The Satellite Division of the Institute of Navigation (ION GNSS 2009), Savannah, GA, September 2009, pp. 380-386.

· S. Gunawardena, Z. Zhu, F. van Graas, &ldquo Triple Frequency RF Front-End for GNSS Instrumentation Receiver Applications,&rdquo Proceedings of the 21st International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GNSS 2008), Savannah, GA, September 2008, pp. 2984-2999.

· Z. Zhu, S. Gunawardena, M. Uijt de Haag, F. van Graas, &ldquo Advanced GPS Performance Monitor,&rdquo Proceedings of the 20th International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GNSS 2007), Fort Worth, TX, September 2007, pp. 415-423.

· Z. Zhu, S. Gunawardena, M. Uijt de Haag, F. van Graas, &ldquo Satellite Anomaly and Interference Detection Using the GPS Anomalous Event Monitor,&rdquo Proceedings of the 63rd Annual Meeting of The Institute of Navigation, Cambridge, MA, April 2007, pp. 389-396.

· S. Gunawardena, M. Uijt de Haag, F. van Graas, Z. Zhu, &ldquo Remote-Controlled, Continuously Operating GPS Anomalous Event Monitor,&rdquo Proceedings of the International Technical Meeting of the Institute of Navigation Satellite Division, September 26-29, 2006, Fort-Worth, TX.

· Soloviev, S. Gunawardena, F. van Graas, &ldquo Development of High Performance High Update Rate Reference GPS Receiver,&rdquo Proceedings of the 18th International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GNSS 2005), Long Beach, CA, September 2005, pp. 1621-1631. (Best of Session Award)

· F. van Graas, A. Soloviev, M. Uijt de Haag, S. Gunawardena, M. Braasch, &ldquo Comparison of Two Approaches for GNSS Receiver Algorithms: Batch Processing and Sequential Processing Considerations,&rdquo Proceedings of the 18th International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GNSS 2005), Long Beach, CA, September 2005, pp. 200-211.

· S. Gunawardena, A. Soloviev, F. van Graas, &ldquo Wideband Dual-Frequency Transform-Domain GPS Instrumentation Receiver for Signal Quality and Anomalous Event Monitoring,&rdquo Proceedings of the 61st Annual Meeting of The Institute of Navigation, Cambridge, MA, June 2005, pp. 516-527.

· A. Soloviev, S. Gunawardena, F. van Graas, &ldquo Deeply Integrated GPS/Low-Cost IMU for Low CNR Signal Processing: Flight Test Results and Real Time Implementation,&rdquo Proceedings of the 17th International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GNSS 2004), Long Beach, CA, September 2004, pp. 1598-1608. (Best of Session Award)

· S. Gunawardena, A. Soloviev, F. van Graas, &ldquo Real Time Implementation of Deeply Integrated Software GPS Receiver and Low Cost IMU for Processing Low-CNR GPS Signals,&rdquo Proceedings of the 60th Annual Meeting of The Institute of Navigation, Dayton, OH, June 2004, pp. 108-114.

· S. Gunawardena, F. van Graas, A. Soloviev, &ldquo Real Time Block Processing Engine for Software GNSS Receivers,&rdquo Proceedings of the 2004 National Technical Meeting of The Institute of Navigation, San Diego, CA, January 2004, pp. 371-377.

· Soloviev,F. van Graas, S. Gunawardena, &ldquo Implementation of Deeply Integrated GPS/Low-Cost IMU for Reacquisition and Tracking of Low CNR GPS Signals,&rdquo Proceedings of the 2004 National Technical Meeting of The Institute of Navigation, San Diego, CA, January 2004, pp. 923-935.

· S. Gunawardena, J.M. Rankin, &ldquo Controller-Pilot Communications using a VDL Mode 2 Datalink for the NASA Runway Incursion Prevention System,&rdquo Proceedings of the 20th Digital Avionics Systems Conference (DASC 2001), Daytona Beach, FL, Vol.1, No., pp.2D4/1,2D4/12 Vol.1, 14-18 Oct 2001.

· S. Gunawardena, F. van Graas, &ldquo On Implementing GPS Block Processing Techniques in Fixed-Point Programmable Hardware,&rdquo Proceedings of the 14th International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GPS 2001), Salt Lake City, UT, September 2001, pp. 778-788.

 

Magazine Articles

· S. Gunawardena, &ldquo A Universal GNSS Software Receiver Toolbox for Education and Research,&rdquo Inside GNSS, July/August 2014.

· A. Soloviev, F. van Graas, S. Gunawardena, M. Miller, &ldquo Synthetic Aperture GPS Signal Processing: Concept and Feasibility Demonstration,&rdquo Inside GNSS, May/June 2009.

· S. Gunawardena, Z. Zhu, M. Braasch, &ldquo First Look: Observing the GPS L5 Test Transmission from SVN49 Using Software Radio Processing,&rdquo Inside GNSS, May/June 2009.

· Z. Zhu, S. Gunawardena, M. Uijt de Haag, F. van Graas, M. Braasch, &ldquo GNSS Watch Dog: A GPS Anomalous Event Monitor,&rdquo Inside GNSS, Fall 2008.

 

 Invited Talks and Papers

· S. Gunawardena, “Fundamentals of GNSS Receiver Design,” 30th International Technical Meeting of the Institute of Navigation:ION GNSS+ 2017, September 25-29, Portland Oregon (Invited “ION Masters” talk/tutorial).

 

Other Publications

·P. Patel, S. Gunawardena, “GNSS Waveform Prototyping Platform (GWPP) for Advanced Signals Research,” 12th Annual Information Meeting of the Consortium of Ohio Universities on Navigation and Timekeeping (COUNT), April 3-4 2018, Columbus Ohio.

 

 

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