Kassas, Zak
Zak Kassas
![Zak_Kassas_OSU.jpg Zak Kassas](https://people.engineering.osu.edu/sites/default/files/styles/coe_3_4_medium/public/2022-09/Zak_Kassas_OSU.jpg)
Biography
Zak Kassas is the TRC Endowed Chair in Intelligent Transportation Systems and a Professor in the Department of Electrical and Computer Engineering at The Ohio State University (OSU). He is the Director of the Autonomous Systems Perception, Intelligence, and Navigation (ASPIN) Laboratory. He is also the Director of the U.S. Department of Transportation Center: CARMEN (Center for Automated Vehicle Research with Multimodal AssurEd Navigation), focusing on navigation resiliency and security of highly automated transportation systems. He received a B.E. with Honors in Electrical Engineering from the Lebanese American University, an M.S. in Electrical and Computer Engineering from The Ohio State University, and an M.S.E. in Aerospace Engineering and a Ph.D. in Electrical and Computer Engineering from The University of Texas at Austin.
He is a Fellow of the IEEE, a Fellow of the Institute of Navigation (ION), and a Distinguished Lecturer of IEEE Aerospace and Electronic Systems Society. He authored more than 180 peer-reviewed journal and conference papers, 11 magazine articles, 3 invited book chapters, and 21 U.S. patents. He is a recipient of the 2018 National Science Foundation (NSF) CAREER award, 2019 Office of Naval Research (ONR) Young Investigator Program (YIP) award, 2022 Air Force Office of Scientific Research (AFOSR) YIP award, 2018 IEEE Walter Fried Award, 2018 ION Samuel Burka Award, 2019 ION Col. Thomas Thurlow Award, and 2022 IEEE Harry Rowe Mimno Award. His students have won several awards, including three Best Ph.D. Dissertation awards (from IEEE, ION, OSU); two US DOT Graduate Student of the Year awards; and 30+ best paper, student paper, and paper presentation awards.
He started his academic career in 2014 at the University of California, Riverside; then was an Associate Professor at University of California, Irvine; then was very early promoted to Full Professor and joined The Ohio State University in 2022. Since starting his academic career, his research has attracted more than $26 million in competitive federal grants from ONR, NSF, AFOSR, DOT, NIST, Sandia National Laboratories, the Aerospace Corporation, among others. His research was featured in dozens of national and international media outlets (Science, BBC, Forbes, IEEE, ACM, Ars Technica, MIT Technology Review, among others) and appeared on 6 magazine covers. He has given 100+ invited presentations, keynotes, and plenaries, and served as a subject matter expert to DOD, GAO, DOT, and NSF. He is a Senior Editor of IEEE Transactions on Intelligent Transportation Systems and an Associate Editor of IEEE Transactions on Aerospace and Electronic Systems, and was a Senior Editor of IEEE Transactions on Intelligent Vehicles. He was the Program Chair of IEEE/ION PLANS 2020 & 2023 and General Chair of ION Cognizant Autonomous Systems for Safety Critical Applications (CASSCA) 2019. He was involved in organizing numerous conferences, workshops, and special sessions at IEEE/ION PLANS, ION GNSS+, ION ITM, IEEE VTC, IEEE ICASSP, IEEE ITSC, ACC, FUSION, and IFAC AAC. His research interests include cyber-physical systems, estimation theory, navigation systems, autonomous vehicles, and intelligent transportation systems.
Selected Honors and Awards
Outstanding Research Contributions Awards
- Institute of Electrical and Electronics Engineers (IEEE) Fellow (2024)
- Institute of Navigation (ION) Fellow (2023)
- IEEE Harry Rowe Mimno award (2022)
- Institute of Navigation (ION) Colonel Thomas Thurlow award (2019)
- Institute of Navigation (ION) Samuel Burka award (2018)
- Institute of Electrical and Electronics Engineers (IEEE) Senior Member promotion (2011)
Young Faculty Awards
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Air Force Office of Scientific Research (AFOSR) Young Investigator Program (YIP) award (2022)
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Office of Naval Research (ONR) Young Investigator Program (YIP) award (2019)
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National Science Foundation (NSF) Faculty Early Career Development Program (CAREER) award (2018)
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NSF Computer and Information Science and Engineering (CISE) Research Initiation Initiative (CRII) award (2016)
Plenary, Keynote, and Distinguished Presentations
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Distinguished Lecturer, IEEE Aerospace and Electronic Systems Society (2023-2024)
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Keynote speaker, IEEE International Symposium on Personal, Indoor and Mobile Radio Communications, Workshop on Mega Constellation Satellite Networks for 6G, Toronto, Canada (2023)
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Plenary speaker, International Global Navigation Satellite Systems (IGNSS) Conference, Sydney, Australia (2022)
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Keynote speaker, IEEE Vehicular Technology Conference, Workshop on Mission Critical Communications, Helsinki, Finland (2022)
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Distinguished speaker, Aerospace Corporation, El Segundo, CA (2022)
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Keynote speaker, International Conference on Information Technology: New Generations, Las Vegas, NV (2020)
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Plenary speaker, European Navigation Conference, Gothenburg, Sweden (2018)
Best Paper and Paper Presentation Awards
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4 Best student paper awards, IEEE/ION Position, Location, and Navigation Symposium (2023, 2020, 2016, 2012)
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20 Best paper presentation awards, ION GNSS+ Conference (2023, 2022, 2021, 2020, 2019, 2018, 2017, 2016)
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Best student paper award, IEEE Vehicular Technology Conference (2022)
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Grand prize, IEEE Signal Processing Society video contest for beamforming research (5-MICC) (2020)
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Best paper award, IEEE/ION Position, Location, and Navigation Symposium (2020)
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IEEE Walter Fried award (2018)
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Best paper award, ION GNSS+ Conference (2015)
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Best paper presentation award, AIAA Guidance, Navigation, and Control Conference (2012)
Selected Student Supervisees Honors & Awards
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The Ohio State University (OSU) ElectroScience Laboratory (ESL) Best Ph.D. Dissertation award, Dr. Mohammad Neinavaie (2023)
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Best student paper award, IEEE/ION Position, Location, and Navigation Symposium (PLANS), Sharbel Kozhaya and Haitham Kanj (2023)
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Best student paper award, IEEE Vehicular Technology Conference, Nadim Khairallah (2022)
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IEEE Aerospace and Electronic Systems Society (AESS) Robert T. Hill Best Ph.D. Dissertation award, Dr. Joe Khalife (2021)
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US Department of Transportation (USDOT) Graduate Student of the Year, Nadim Khairallah (2021)
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Melucci Endowed Fellowship, Mu Jia (2021)
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Institute of Navigation (ION) Bradford Parkinson award for best Ph.D. Dissertation, Dr. Kimia Shamaei (2020)
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Grand prize, IEEE Signal Processing Society video contest for beamforming research (5-MICC), Ali Abdallah, Zainab Ashai, Xinyi (Taylor) Zhang, and Qitai (Neo) Meng (2020)
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Best paper award, IEEE/ION Position, Location, and Navigation Symposium (PLANS), Joe Khalife and Mohammad Neinavaie (2020)
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Best student paper award, IEEE/ION Position, Location, and Navigation Symposium (PLANS), Ali Abdallah (2020)
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Paul and Beverly Holmes Endowed Fellowship, Ali Abdallah (2019)
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Institute of Navigation (ION) Samuel Burka award, Kimia Shamaei (2018)
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IEEE Walter Fried award, Joe Khalife (2018)
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US Department of Transportation (USDOT) Graduate Student of the Year, Joshua Morales (2018)
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University of California, Riverside (UCR) Bourns College of Engineering Outstanding Achievement Award, Souradeep Bhattacharya (2018)
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University of California, Riverside (UCR) Bourns College of Engineering Academic Excellence Award and Dean's Academic Distinction Award, Christian Ardito (2018)
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University of California, Riverside (UCR) Outstanding Graduate Student of the Year in the National Center for Sustainable Transportation (NCST) University Transportation Center (UTC), Joe Khalife (2017)
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Best student paper award, IEEE/ION Position, Location, and Navigation Symposium (PLANS), Joe Khalife and Kimia Shamaei (2016)
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LEO PNT frameworks for non-cooperative satellites with poorly known ephemerides: open-loop SGP4, tracking, and differential
Z. Kassas and J. Saroufim
IEEE Aerospace and Electronic Systems Magazine, 2024, submitted -
On the fundamental tracking performance and design considerations of radio navigation
S. Kozhaya and Z. Kassas
IEEE Journal on Selected Areas in Communications, 2023, submitted -
LEO satellite orbit prediction via closed-loop machine learning with application to opportunistic navigation
Z. Kassas, S. Hayek, and J. Haidar-Ahmad
IEEE Aerospace and Electronic Systems Magazine, 2023, submitted -
Cognitive sensing and opportunistic navigation with unknown terrestrial and non-terrestrial signals
Z. Kassas, M. Neinavaie, J. Khalife, S. Shahcheraghi, and J. Saroufim
IEEE Signal Processing Magazine, 2023, submitted (special issue) -
A first look at the OneWeb LEO constellation: beacons, beams, and positioning
S. Kozhaya and Z. Kassas
IEEE Transactions on Aerospace and Electronic Systems, 2023, submitted -
Aircraft navigation in GNSS-denied environments via radio SLAM with terrestrial signals of opportunity
Z. Kassas, N. Khairallah, J. Khalife, C. Lee, J. Jurado, S. Wachtel, J. Duede, Z. Hoeffner, T. Hulsey, R. Quirarte, and R. Tay
IEEE Transactions on Intelligent Transportation Systems, 2023, submitted -
Autonomy for sustainability: An AESS vision and perspective
E. Cianca, J. Dauncey, G. Fasano, Z. Kassas, W. Nel, and M. Ruggieri
IEEE Aerospace and Electronic Systems Magazine, 2023, submitted -
I can hear you loud and clear: GNSS-less high altitude aircraft navigation with terrestrial cellular signals of opportunity
Z. Kassas, A. Abdallah, S. Shahcheraghi, J. Khalife, C. Lee, J. Jurado, S. Wachtel, J. Duede, Z. Hoeffner, T. Hulsey, R. Quirarte, and R. Tay
IEEE Transactions on Aerospace and Electronic Systems, 2023, submitted -
Ad astra: simultaneous tracking and navigation with megaconstellation LEO satellites
Z. Kassas, N. Khairallah, and S. Kozhaya
IEEE Aerospace and Electronic Systems Magazine, 2023, accepted -
Ephemeris tracking and error propagation analysis of LEO satellites with application to opportunistic navigation
N. Khairallah and Z. Kassas
IEEE Transactions on Aerospace and Electronic Systems, 2024, Vol. 60, no. 2, pp. 1242-1259 -
Unveiling Starlink LEO satellite OFDM-like signal structure enabling precise positioning
M. Neinavaie and Z. Kassas
IEEE Transactions on Aerospace and Electronic Systems, 2024, Vol. 60, no. 2, pp. 2486-2489 -
GNSS software defined radio: History, current developments, and standardization efforts
T. Pany, D. Akos, J. Arribas, M. Bhuiyan, P. Closas, F. Dovis, I. Fernandez-Hernandez, C. Fernández–Prades, S. Gunawardena, T. Humphreys, Z. Kassas, J. López Salcedo, M. Nicola, M. Psiaki, A. Rügamer, Y. Song, and J. Won
NAVIGATION, Journal of the Institute of Navigation, 2024, Vol. 71, no. 1, pp. 1-45 -
Cognitive sensing and navigation with unknown OFDM signals with application to terrestrial 5G and Starlink LEO satellites
M. Neinavaie and Z. Kassas
IEEE Journal on Selected Areas in Communications, 2024, Vol. 42, no. 1, pp. 146-160 -
No GPS no problem: exploiting cellular OFDM-based signals for accurate navigation
Z. Kassas and A. Abdallah
IEEE Transactions on Aerospace and Electronic Systems, 2023, Vol. 59, no. 6, pp. 9792-9798 -
Performance analysis of opportunistic ARAIM for navigation with GNSS signals fused with terrestrial signals of opportunity
M. Jia, J. Khalife, and Z. Kassas
IEEE Transactions on Intelligent Transportation Systems, 2023, Vol. 24, no. 10, pp. 10587-10602 -
Efficient transmitter selection strategies for improved information gathering of aerial vehicle navigation in GNSS-denied environments
A. Nguyen and Z. Kassas
IEEE Aerospace and Electronic Systems Magazine, 2023, Vol. 38, no. 10, pp. 26-39 -
Cognitive detection of unknown beacons of terrestrial signals of opportunity for localization
M. Neinavaie, J. Khalife, and Z. Kassas
IEEE Transactions on Wireless Communications, 2023, Vol. 22, no. 8, pp. 5613-5627 -
Flight demonstration of high altitude aircraft navigation with cellular signals
Z. Kassas, J. Khalife, A. Abdallah, C. Lee, J. Jurado, S. Wachtel, J. Duede, Z. Hoeffner, T. Hulsey, R. Quirarte, and R. Tay
IEEE Intelligent Transportation Systems Magazine, 2023, Vol. 15, no. 4, pp. 150–165 -
Performance-driven design of carrier phase differential navigation frameworks with megaconstellation LEO satellites
J. Khalife and Z. Kassas
IEEE Transactions on Aerospace and Electronic Systems, 2023, Vol. 59, no. 3, pp. 2947–2966 -
A static reduced-order multiple-model adaptive estimator for noise identification
J. Khalife and Z. Kassas
IEEE Transactions on Aerospace and Electronic Systems, 2023, Vol. 59, no. 3, pp. 2672–2686 -
Opportunistic autonomous integrity monitoring for enhanced UAV safety
J. Khalife, M. Maaref, and Z. Kassas
IEEE Aerospace and Electronic Systems Magazine, 2023, Vol. 38, no. 5, pp. 34-44 (special issue) -
Exploiting on-demand 5G downlink signals for opportunistic navigation
A. Abdallah, J. Khalife, and Z. Kassas
IEEE Signal Processing Letters, 2023, Vol. 30, pp. 389-393 -
Event-based communication strategies for collaborative inertial radio SLAM
J. Morales, J. Khalife, and Z. Kassas
IEEE Transactions on Aerospace and Electronic Systems, 2023, Vol. 59, no. 2, pp. 1624-1642 -
Observability analysis of receiver localization via pseudorange measurements from a single LEO satellite
R. Sabbagh and Z. Kassas
IEEE Control Systems Letters, 2023, Vol. 7, pp. 571-576 -
Differential framework for submeter-accurate vehicular navigation with cellular signals
J. Khalife and Z. Kassas
IEEE Transactions on Intelligent Vehicles, 2023, Vol. 8, no. 1, pp. 732-744 -
PINDOC: pedestrian indoor navigation system integrating deterministic, opportunistic, and cooperative functionalities
C. Jao, A. Abdallah, C. Chen, M. Seo, S. Kia, Z. Kassas, and A. Shkel
IEEE Sensors Journal, 2022, Vol. 22, no. 14, pp. 14424-14435 -
Assessment of cellular signals of opportunity for high altitude aircraft navigation
Z. Kassas, J. Khalife, A. Abdallah, C. Lee, J. Jurado, S. Wachtel, J. Duede, Z. Hoeffner, T. Hulsey, R. Quirarte, and R. Tay
IEEE Aerospace and Electronic Systems Magazine, 2022, Vol. 37, no. 10, pp. 4-19 -
Urban road safety prediction: a satellite navigation perspective
H. Lee, J. Seo, and Z. Kassas
IEEE Intelligent Transportation Systems Magazine, 2022, Vol. 14, no. 6, pp. 94-106 -
On the achievability of submeter-accurate UAV navigation with cellular signals exploiting loose network synchronization
J. Khalife and Z. Kassas
IEEE Transactions on Aerospace and Electronic Systems, 2022, Vol. 58, no. 5, pp. 4261-4278 -
I am not afraid of the GPS jammer: resilient navigation via signals of opportunity in GPS-denied environments
Z. Kassas, J. Khalife, A. Abdallah, and C. Lee
IEEE Aerospace and Electronic Systems Magazine, 2022, Vol. 37, no. 7, pp. 4-19 -
Acquisition, Doppler tracking, and positioning with Starlink LEO satellites: first results
M. Neinavaie, J. Khalife, and Z. Kassas
IEEE Transactions on Aerospace and Electronic Systems, 2022, Vol. 58, no. 3, pp. 2606-2610 -
Information fusion strategies for collaborative inertial radio SLAM
J. Morales, J. Khalife, and Z. Kassas
IEEE Transactions on Intelligent Transportation Systems, 2022, Vol. 23, no. 8, pp. 12935-12952 -
Cognitive opportunistic navigation in private networks with 5G signals and beyond
M. Neinavaie, J. Khalife, and Z. Kassas
IEEE Journal of Selected Topics in Signal Processing, 2022, Vol. 16, no. 1, pp. 129-143 -
A pedestrian indoor navigation system using deep-learning-aided cellular signals and ZUPT-aided foot-mounted IMUs
A. Abdallah, C. Jao, Z. Kassas, and A. Shkel
IEEE Sensors Journal, 2022, Vol. 22, no. 6, pp. 5188-5198 -
The first carrier phase tracking and positioning results with Starlink LEO satellite signals
J. Khalife, M. Neinavaie, and Z. Kassas
IEEE Transactions on Aerospace and Electronic Systems, 2022, Vol. 58, no. 2, pp. 1487-1491 -
UAV waypoint opportunistic navigation in GNSS-denied environments
Y. Yang, J. Khalife, J. Morales, and Z. Kassas
IEEE Transactions on Aerospace and Electronic Systems, 2022, Vol. 58, no. 1, pp. 663-678 -
Autonomous integrity monitoring for vehicular navigation with cellular signals of opportunity and an IMU
M. Maaref and Z. Kassas
IEEE Transactions on Intelligent Transportation Systems, 2022, Vol. 23, no. 6, pp. 5586-5601 -
Multipath mitigation via synthetic aperture beamforming for indoor and deep urban navigation
A. Abdallah and Z. Kassas
IEEE Transactions on Vehicular Technology, 2021, Vol. 70, Issue 9, pp. 8838–8853 -
Aerial vehicle protection level reduction by fusing GNSS and terrestrial signals of opportunity
M. Maaref, J. Khalife, and Z. Kassas
IEEE Transactions on Intelligent Transportation Systems, 2021, Vol. 22, Issue 9, pp. 5976–5993 (special issue) -
A joint TOA and DOA acquisition and tracking approach for positioning with LTE signals
K. Shamaei and Z. Kassas
IEEE Transactions on Signal Processing, 2021, Vol. 69, pp. 2689–2705 -
Receiver design and time of arrival estimation for opportunistic localization with 5G signals
K. Shamaei and Z. Kassas
IEEE Transactions on Wireless Communications, 2021, Vol. 20, Issue 7, pp. 4716–4731 -
Autonomous ground vehicle path planning in urban environments using GNSS and cellular signals reliability maps: simulation and experimental results
S. Ragothaman, M. Maaref, and Z. Kassas
IEEE Transactions on Aerospace and Electronic Systems, 2021, Vol. 57, Issue 4, pp. 2575–2586 -
Autonomous ground vehicle path planning in urban environments using GNSS and cellular signals reliability maps: models and algorithms
S. Ragothaman, M. Maaref, and Z. Kassas
IEEE Transactions on Aerospace and Electronic Systems, 2021, Vol. 57, Issue 3, pp. 1562–1580 -
Tightly-coupled inertial navigation system with signals of opportunity aiding
J. Morales and Z. Kassas
IEEE Transactions on Aerospace and Electronic Systems, 2021, Vol. 56, Issue 3, pp. 1930–1948 -
Performance evaluation of TOA positioning in asynchronous cellular networks using stochastic geometry models
J. Khalife, C. Sevinc, and Z. Kassas
IEEE Wireless Communications Letters, 2020, Vol. 9, Issue 9, pp. 1422-1426 -
Measurement characterization and autonomous outlier detection and exclusion for ground vehicle navigation with cellular signals
M. Maaref and Z. Kassas
IEEE Transactions on Intelligent Vehicles, 2020, Vol. 5, Issue 4, pp. 670-683 -
Robust vehicular localization and map matching in urban environments through IMU, GNSS, and cellular signals
Z. Kassas, M. Maaref, J. Morales, J. Khalife, and K. Shamaei
IEEE Intelligent Transportation Magazine, 2020, Vol. 12, Issue 3, pp. 36-52, (special issue) -
Opportunistic UAV navigation with carrier phase measurements from asynchronous cellular signals
J. Khalife and Z. Kassas
IEEE Transactions on Aerospace and Electronic Systems, 2020, Vol. 56, Issue 4, pp. 3285-3301 -
Ground vehicle navigation in GNSS-challenged environments using signals of opportunity and a closed-loop map-matching approach
M. Maaref and Z. Kassas
IEEE Transactions on Intelligent Transportation Systems, 2020, Vol. 21, Issue 7, pp. 2723-2738 -
Autonomous surface vehicle multistep look-ahead measurement location planning for optimal localization of underwater acoustic transponders
J. Garcia, J. Farrell, Z. Kassas, and M. Ouimet
IEEE Transactions on Aerospace and Electronic Systems, 2019, Vol. 55, Issue 6, pp. 2836-2849 -
Optimal sensor placement for dilution of precision minimization via quadratically constrained fractional programming
J. Khalife and Z. Kassas
IEEE Transactions on Aerospace and Electronic Systems, 2019, Vol. 55, Issue 4, pp. 2086-2096 -
Lane-level localization and mapping in GNSS-challenged environments by fusing lidar data and cellular pseudoranges
M. Maaref, J. Khalife, and Z. Kassas
IEEE Transactions on Intelligent Vehicles, 2019, Vol. 4, Issue 1, pp. 73-89 -
Stochastic observability and uncertainty characterization in simultaneous receiver and transmitter localization
J. Morales and Z. Kassas
IEEE Transactions on Aerospace and Electronic Systems, 2019, Vol. 55, Issue 2, pp. 1021-1031 -
LTE receiver design and multipath analysis for navigation in urban environments
K. Shamaei and Z. Kassas
NAVIGATION, Journal of the Institute of Navigation, 2018, Vol. 65, Issue 4, pp. 655-675 (invited) -
Navigation with cellular CDMA signals - Part II: performance analysis and experimental results
J. Khalife and Z. Kassas
IEEE Transactions on Signal Processing, 2018, Vol. 66, Issue 8, Apr. 2018, pp. 2204-2218 -
Navigation with cellular CDMA signals - Part I: signal modeling and software-defined receiver design
J. Khalife, K. Shamaei, and Z. Kassas
IEEE Transactions on Signal Processing, 2018, Vol. 66, Issue 8, Apr. 2018, pp. 2191-2203 -
Exploiting LTE signals for navigation: theory to implementation
K. Shamaei, J. Khalife, and Z. Kassas
IEEE Transactions on Wireless Communications, 2018, Vol. 17, Issue 4, Apr. 2018, pp. 2173-2189 -
Optimal collaborative mapping of terrestrial transmitters: receiver placement and performance characterization
J. Morales and Z. Kassas
IEEE Transactions on Aerospace and Electronic Systems, 2018, Vol. 54, Issue 2, Apr. 2018, pp. 992-1007 -
I hear, therefore I know where I am: compensating for GNSS limitations with cellular signals
Z. Kassas, J. Khalife, K. Shamaei, and J. Morales
IEEE Signal Processing Magazine, Vol. 34, Issue 5, Sep. 2017, pp. 111-124 (special issue) -
Receding horizon trajectory optimization in opportunistic navigation environments
Z. Kassas and T. Humphreys
IEEE Transactions on Aerospace and Electronic Systems, Vol. 51, Issue 2, Apr. 2015, pp. 866-877 -
Greedy motion planning for simultaneous signal landscape mapping and receiver localization
Z. Kassas, A. Arapostathis, and T. Humphreys
IEEE Journal of Selected Topics in Signal Processing, Vol. 9, Issue 2, Mar. 2015, pp. 247-258 -
A phase-reconstruction technique enabling low-power centimeter-accurate mobile positioning
K. Pesyna, Z. Kassas, R. Heath, and T. Humphreys
IEEE Transactions on Signal Processing, Vol. 62, Issue 10, May 2014, pp. 2595-2610 -
Observability analysis of collaborative opportunistic navigation with pseudorange measurements
Z. Kassas and T. Humphreys
IEEE Transactions on Intelligent Transportation Systems, Vol. 15, Issue 1, Feb. 2014, pp. 260-273 -
Discretisation of continuous-time dynamic MIMO systems with nonuniform delays
Z. Kassas
IET Control Theory & Applications, Vol. 5, Issue 14, Sep. 2011, pp. 1637-1647 -
A nonlinear filter coupled with hospitability and synthetic inclination maps for in-surveillance and out-of-surveillance target tracking
Z. Kassas and U. Ozguner
IEEE Transactions on Systems, Man, and Cybernetics - Part C, Vol. 40, Issue 1, Jan. 2010, pp. 87-97 -
Power matching approach for GPS coverage extension
S. Saab and Z. Kassas
IEEE Transactions on Intelligent Transportation Systems, Vol. 7, Issue 2, Jun. 2006, pp. 156-166
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Ephemeris error correction for tracking non-cooperative LEO satellites with pseudorange measurements
S. Hayek, J. Saroufim, and Z. Kassas
IEEE Aerospace Conference, Mar. 2-9, 2024, Big Sky, MT, accepted -
Analysis of satellite ephemeris error in differential and non-differential navigation with LEO satellites
J. Saroufim, S. Hayek, and Z. Kassas
IEEE Aerospace Conference, Mar. 2-9, 2024, Big Sky, MT, accepted -
Blind Doppler tracking and positioning with NOAA LEO satellite signals
S. Kozhaya, H. Kanj, and Z. Kassas
ION Global Navigation Satellite Systems Conference, Sep. 11-15, 2023, Denver, CO, pp. 363-372 -
Ephemeris error modeling in opportunistic LEO satellite tracking with pseudorange and Doppler measurements
S. Hayek, J. Saroufim, and Z. Kassas
ION Global Navigation Satellite Systems Conference, Sep. 11-15, 2023, Denver, CO, pp. 2123-2133 -
Evaluation of orbit errors and measurement corrections in differential navigation with LEO satellites
J. Saroufim, S. Hayek, and Z. Kassas
ION Global Navigation Satellite Systems Conference, Sep. 11-15, 2023, Denver, CO, pp. 2823-2834 -
Acquisition and tracking of Starlink LEO satellite signals in low SNR regime
H. Kanj, S. Kozhaya, and Z. Kassas
ION Global Navigation Satellite Systems Conference, Sep. 11-15, 2023, Denver, CO, pp. 3420-3431 -
Joint Doppler and azimuth DOA tracking for positioning with Iridium LEO satellites
S. Shahcheraghi, F. Gourabi, M. Neinavaie, and Z. Kassas
ION Global Navigation Satellite Systems Conference, Sep. 11-15, 2023, Denver, CO, pp. 2373-2383 -
Positioning with Starlink LEO satellites: A blind Doppler spectral approach
S. Kozhaya and Z. Kassas
IEEE Vehicular Technology Conference, Jun. 20-23, 2023, Florence, Italy, pp. 1-5 -
Multi-constellation blind beacon estimation, Doppler tracking, and opportunistic positioning with OneWeb, Starlink, Iridium NEXT, and Orbcomm LEO satellites
S. Kozhaya, H. Kanj, and Z. Kassas
IEEE/ION Position, Location, and Navigation Symposium, Apr. 25-27, 2023, Monterey, pp. 1184-1195 -
Signal mode transition detection in Starlink LEO satellite downlink signals
M. Neinavaie and Z. Kassas
IEEE/ION Position, Location, and Navigation Symposium, Apr. 25-27, 2023, Monterey, pp. 360-364 -
Navigation with multi-constellation LEO satellite signals of opportunity: Starlink, OneWeb, Orbcomm, and Iridium
Z. Kassas, S. Kozhaya, H. Kanj, J. Saroufim, S. Hayek, M. Neinavaie, N. Khairallah, and J. Khalife
IEEE/ION Position, Location, and Navigation Symposium, Apr. 25-27, 2023, Monterey, pp. 338-343 -
Robust receiver design for high altitude aircraft navigation with terrestrial cellular signals
Z. Kassas, S. Shahcheraghi, A. Kaiss, C. Lee, J. Jurado, S. Wachtel, J. Duede, Z. Hoeffner, T. Hulsey, R. Quirarte, and R. Tay
IEEE/ION Position, Location, and Navigation Symposium, Apr. 25-27, 2023, Monterey, pp. 75-80 -
Simultaneous LEO satellite tracking and differential LEO-aided IMU navigation
J. Saroufim, S. Hayek, and Z. Kassas
IEEE/ION Position, Location, and Navigation Symposium, Apr. 25-27, 2023, Monterey, pp. 179-188 -
Fault detection and exclusion for INS/GPS/5G tightly-coupled navigation
M. Jia and Z. Kassas
IEEE/ION Position, Location, and Navigation Symposium, Apr. 25-27, 2023, Monterey, pp. 597-602 -
Assessment of differential Doppler navigation with Starlink LEO satellite signals of opportunity
S. Hayek, J. Saroufim, M. Neinavaie, S. Kozhaya, and Z. Kassas
ION International Technical Meeting, Jan. 23-26, 2023, Long Beach, CA, pp. 1021-1031 -
Detection of constrained unknown beacon signals of terrestrial transmitters and LEO satellites with application to navigation
M. Neinavaie, J. Khalife, and Z. Kassas
IEEE Vehicular Technology Conference, Sep. 26-29, 2022, London, England, pp. 1-5 -
Protecting the skies: GNSS-less aircraft navigation with terrestrial cellular signals of opportunity
Z. Kassas, A. Abdallah, C. Lee, J. Jurado, S. Wachtel, J. Duede, Z. Hoeffner, T. Hulsey, R. Quirarte, and R. Tay
ION Global Navigation Satellite Systems Conference, Sep. 19-23, 2022, Denver, CO, pp. 1014-1025 -
Observability analysis of opportunistic receiver localization with LEO satellite pseudorange measurements
R. Sabbagh and Z. Kassas
ION Global Navigation Satellite Systems Conference, Sep. 19-23, 2022, Denver, CO, pp. 1890-1901 -
Joint detection and tracking of unknown beacons for navigation with 5G signals and beyond
M. Neinavaie and Z. Kassas
ION Global Navigation Satellite Systems Conference, Sep. 19-23, 2022, Denver, CO, pp. 921-932 -
Blind receiver for LEO beacon estimation with application to UAV carrier phase differential navigation
S. Kozhaya and Z. Kassas
ION Global Navigation Satellite Systems Conference, Sep. 19-23, 2022, Denver, CO, pp. 2385-2397 -
Unveiling beamforming strategies of Starlink LEO satellites
M. Neinavaie and Z. Kassas
ION Global Navigation Satellite Systems Conference, Sep. 19-23, 2022, Denver, CO, pp. 2525-2531 -
Sub-meter accurate pedestrian indoor navigation system with dual ZUPT-aided INS, machine learning-aided LTE, and UWB signals
C. Jao, A. Abdallah, C. Chen, M. Seo, S. Kia, Z. Kassas, and A. Shkel
ION Global Navigation Satellite Systems Conference, Sep. 19-23, 2022, Denver, CO, pp. 1108-1126 -
GNSS software defined radio: History, current developments, and standardization efforts
D. Akos, J. Arribas, M. Bhuiyan, P. Closas, F. Dovis, I. Fernandez-Hernandez, C. Fernández–Prades, S. Gunawardena, T. Humphreys, Z. Kassas, J. López Salcedo, M. Nicola, T. Pany, M. Psiaki, A. Rügamer, Y. Song, and J. Won
ION Global Navigation Satellite Systems Conference, Sep. 19-23, 2022, Denver, CO, pp. 3180-3209 -
Kalman filter-based integrity monitoring for GNSS and 5G signals of opportunity integrated navigation
M. Jia and Z. Kassas
IFAC Symposium on Advances in Automotive Control, Aug. 29-31, 2022, Columbus, OH, pp. 273-278 (special session) -
A hybrid analytical-machine learning approach for LEO satellite orbit prediction
J. Haidar-Ahmad, N. Khairallah, and Z. Kassas
International Conference on Information Fusion, Jul. 4-7, 2022, Linköping, Sweden, pp. 1-7 (special session) -
An interacting multiple model estimator of LEO satellite clocks for improved positioning
N. Khairallah and Z. Kassas
IEEE Vehicular Technology Conference, Jun. 19-22, 2022, Helsinki, Finland, pp. 1-5 -
Multipath mitigation of 5G signals via reinforcement learning for navigation in urban environments
A. Abdallah, M. Orabi, and Z. Kassas
IEEE Vehicular Technology Conference, Jun. 19-22, 2022, Helsinki, Finland, pp. 1-5 -
Demo: I am not afraid of the GPS jammer: exploiting cellular signals for accurate ground vehicle navigation in a GPS-denied environment
A. Abdallah, Z. Kassas, and C. Lee
ACM Workshop on Automotive and Autonomous Vehicle Security, Apr. 24, 2022, San Diego, CA, pp. 1-1 -
Opportunistic navigation using sub-6 GHz 5G downlink signals: a case study on a ground vehicle
A. Abdallah and Z. Kassas
European Conference on Antennas and Propagation, Mar. 27 - Apr. 1, 2022, Madrid, Spain, pp. 1-5 (special session) -
First results of differential Doppler positioning with unknown Starlink satellite signals
M. Neinavaie, Z. Shadram, S. Kozhaya, and Z. Kassas
IEEE Aerospace Conference, Mar. 5-12, 2022, Big Sky, MT, pp. 1-14 -
Received power characterization of terrestrial cellular signals on high altitude aircraft
Z. Kassas, A. Abdallah, J. Khalife, C. Lee, J. Jurado, S. Wachtel, J. Duede, Z. Hoeffner, T. Hulsey, R. Quirarte, and R. Tay
IEEE Aerospace Conference, Mar. 5-12, 2022, Big Sky, MT, pp. 1-8 -
Transmitter selection for improved information gathering in aerial vehicle navigation with terrestrial signals of opportunity
A. Nguyen and Z. Kassas
ION International Technical Meeting, Jan. 25-27, 2022, Long Beach, CA, pp. 723-734 -
Doppler stretch estimation with application to tracking Globalstar satellite signals
M. Neinavaie, J. Khalife, and Z. Kassas
IEEE Military Communications Conference, Nov. 28 - Dec. 1, 2021, San Diego, CA, pp. 647-651 (special session) -
Universal receiver architecture for blind navigation with partially known terrestrial and extraterrestrial signals of opportunity
J. Khalife, M. Neinavaie, and Z. Kassas
ION Global Navigation Satellite Systems Conference, Sep. 20-24, 2021, St. Louis, MO, pp. 2201–2211 -
Exploiting Starlink signals for navigation: first results
M. Neinavaie, J. Khalife, and Z. Kassas
ION Global Navigation Satellite Systems Conference, Sep. 20-24, 2021, St. Louis, MO, pp. 2766-2773 -
Comparison of neural network architectures for simultaneous tracking and navigation with LEO satellites
S. Kozhaya, J. Haidar-Ahmad, A. Abdallah, Z. Kassas, and S. Saab
ION Global Navigation Satellite Systems Conference, Sep. 20-24, 2021, St. Louis, MO, pp. 2507–2520 -
UAV navigation with 5G carrier phase measurements
A. Abdallah and Z. Kassas
ION Global Navigation Satellite Systems Conference, Sep. 20-24, 2021, St. Louis, MO, pp. 3294-3306 -
Ephemeris closed-loop tracking of LEO satellites with pseudorange and Doppler measurements
N. Khairallah and Z. Kassas
ION Global Navigation Satellite Systems Conference, Sep. 20-24, 2021, St. Louis, MO, pp. 2544-2555 -
A machine learning multipath mitigation approach for opportunistic navigation with 5G signals
M. Orabi, A. Abdallah, J. Khalife, and Z. Kassas
ION Global Navigation Satellite Systems Conference, Sep. 20-24, 2021, St. Louis, MO, pp. 2895-2909 -
A lower bound for the error covariance of radio SLAM with terrestrial signals of opportunity
A. Nguyen, Z. Shadram, and Z. Kassas
ION Global Navigation Satellite Systems Conference, Sep. 20-24, 2021, St. Louis, MO, pp. 2294-2306 -
Ground vehicle navigation integrity monitoring for multi-constellation GNSS fused with cellular signals of opportunity
M. Jia, H. Lee, J. Khalife, Z. Kassas, and J. Seo
IEEE International Conference on Intelligent Transportation Systems, Sep. 19-22, 2021, Indianapolis, IN, pp. 3978–3983 -
Blind Doppler tracking from OFDM signals transmitted by broadband LEO satellites
J. Khalife, M. Neinavaie, and Z. Kassas
IEEE Vehicular Technology Conference, Apr. 25-28, 2021, Helsinki, Finland, pp. 1-5 -
Experimental characterization of received 5G signals carrier-to-noise ratio in indoor and urban environments
A. Abdallah, J. Khalife, and Z. Kassas
IEEE Vehicular Technology Conference, Apr. 25-28, 2021, Helsinki, Finland, pp. 1-5 -
Blind Doppler tracking and beacon detection for opportunistic navigation with LEO satellite signals
M. Neinavaie, J. Khalife, and Z. Kassas
IEEE Aerospace Conference, Mar. 6-13, 2021, Big Sky, MT, pp. 1-8 -
Opportunistic navigation with Doppler measurements from Iridium Next and Orbcomm LEO satellites
M. Orabi, J. Khalife, and Z. Kassas
IEEE Aerospace Conference, Mar. 6-13, 2021, Big Sky, MT, pp. 1-9 -
Assessing machine learning for LEO satellite orbit determination in simultaneous tracking and navigation
T. Mortlock and Z. Kassas
IEEE Aerospace Conference, Mar. 6-13, 2021, Big Sky, MT, pp. 1-8 -
Evaluation of ground vehicle protection level reduction due to fusing GPS with faulty terrestrial signals of opportunity
M. Jia, J. Khalife, and Z. Kassas
ION International Technical Meeting, Jan. 25-28, 2021, San Diego, CA, pp. 354–365 -
Neural network-based ranging with LTE channel impulse response for localization in indoor environments
H. Lee, A. Abdallah, J. Park, J. Seo, and Z. Kassas
International Conference on Control, Automation, and Systems, Oct. 13-16, 2020, Busan, South Korea, pp. 939–944 -
I am not afraid of the jammer: navigating with signals of opportunity in GPS-denied environments
Z. Kassas, J. Khalife, A. Abdallah, and C. Lee
ION Global Navigation Satellite Systems Conference, Sep. 21-25, 2020, St. Louis, MO, pp. 1566–1585 -
Blind opportunistic navigation: cognitive deciphering of partially known signals of opportunity
M. Neinavaie, J. Khalife, and Z. Kassas
ION Global Navigation Satellite Systems Conference, Sep. 21-25, 2020, St. Louis, MO, pp. 2748–2757 -
Assessing real 5G signals for opportunistic navigation
A. Abdallah, K. Shamaei, and Z. Kassas
ION Global Navigation Satellite Systems Conference, Sep. 21-25, 2020, St. Louis, MO, pp. 2548–2559 -
Blind Doppler estimation from LEO satellite signals: a case study with real 5G signals
J. Khalife, M. Neinavaie, and Z. Kassas
ION Global Navigation Satellite Systems Conference, Sep. 21-25, 2020, St. Louis, MO, pp. 3046–3054 -
Performance analysis of simultaneous tracking and navigation with LEO satellites
T. Mortlock and Z. Kassas
ION Global Navigation Satellite Systems Conference, Sep. 21-25, 2020, St. Louis, MO, pp. 2416–2429 -
Integrity-based path planning strategy for urban autonomous vehicular navigation using GPS and cellular signals
H. Lee, J. Seo, and Z. Kassas
ION Global Navigation Satellite Systems Conference, Sep. 21-25, 2020, St. Louis, MO, pp. 2347–2357 -
Enhanced safety of autonomous driving by incorporating terrestrial signals of opportunity
M. Maaref, J. Khalife, and Z. Kassas
IEEE International Conference on Acoustics, Speech, and Signal Processing, May 4-8, 2020, Barcelona, Spain, pp. 9185–9189 (special session) -
Navigation with differential carrier phase measurements from megaconstellation LEO satellites
J. Khalife, M. Neinavaie, and Z. Kassas
IEEE/ION Position, Location, and Navigation Symposium, Apr. 22-24, 2020, Portland, OR, pp. 1393–1404 -
Deep learning-aided spatial discrimination for multipath mitigation
A. Abdallah and Z. Kassas
IEEE/ION Position, Location, and Navigation Symposium, Apr. 22-24, 2020, Portland, OR, pp. 1324–1335 -
Optimal GPS integrity-constrained path planning for ground vehicles
M. Maaref and Z. Kassas
IEEE/ION Position, Location, and Navigation Symposium, Apr. 22-24, 2020, Portland, OR, pp. 655-660 -
A machine learning approach for GPS code phase estimation in multipath environments
M. Orabi, J. Khalife, A. Abdallah, Z. Kassas, and S. Saab
IEEE/ION Position, Location, and Navigation Symposium, Apr. 22-24, 2020, Portland, OR, pp. 1224–1229 -
Performance characterization of an indoor localization system with LTE code and carrier phase measurements and an IMU
A. Abdallah, K. Shamaei, and Z. Kassas
International Conference on Indoor Positioning and Indoor Navigation, Sep. 30 - Oct. 3, 2019, Pisa, Italy, pp. 1-8 -
Multipath-optimal UAV trajectory planning for urban UAV navigation with cellular signals
S. Ragothaman, M. Maaref, and Z. Kassas
IEEE Vehicular Technology Conference, Sep. 22-25, 2019, Honolulu, HI, pp. 1-6 -
Evaluation of feedback and feedforward coupling of synthetic aperture navigation with LTE signals
A. Abdallah and Z. Kassas
IEEE Vehicular Technology Conference, Sep. 22-25, 2019, Honolulu, HI, pp. 1-6 -
Orbit modeling for simultaneous tracking and navigation using LEO satellite signals
J. Morales, J. Khalife, U. Santa Cruz, and Z. Kassas
ION Global Navigation Satellite Systems Conference, Sep. 16-20, 2019, Miami, FL, pp. 2090-2099 -
Assessment of differential carrier phase measurements from Orbcomm LEO satellite signals for opportunistic navigation
J. Khalife and Z. Kassas
ION Global Navigation Satellite Systems Conference, Sep. 16-20, 2019, Miami, FL, pp. 4053-4063 -
Sub-meter accurate UAV navigation and cycle slip detection with LTE carrier phase measurements
K. Shamaei and Z. Kassas
ION Global Navigation Satellite Systems Conference, Sep. 16-20, 2019, Miami, FL, pp. 2469-2479 -
UAV integrity monitoring measure improvement using terrestrial signals of opportunity
M. Maaref and Z. Kassas
ION Global Navigation Satellite Systems Conference, Sep. 16-20, 2019, Miami, FL, pp. 3045-3056 -
Indoor localization with LTE carrier phase measurements and synthetic aperture antenna array
A. Abdallah, K. Shamaei, and Z. Kassas
ION Global Navigation Satellite Systems Conference, Sep. 16-20, 2019, Miami, FL, pp. 2670-2679 -
Receiver design for Doppler positioning with LEO satellites
J. Khalife and Z. Kassas
IEEE International Conference on Acoustics, Speech, and Signal Processing, May 12-17, 2019, Brighton, UK, pp. 5506-5510 -
Simultaneous tracking of Orbcomm LEO satellites and inertial navigation system aiding using Doppler measurements
J. Morales, J. Khalife, and Z. Kassas
IEEE Vehicular Technology Conference, Apr. 28 - May 1, 2019, Kuala Lumpur, Malaysia, pp. 1-6 -
A framework for navigation with LTE time-correlated pseudorange errors in multipath environments
K. Shamaei, J. Morales, and Z. Kassas
IEEE Vehicular Technology Conference, Apr. 28 - May 1, 2019, Kuala Lumpur, Malaysia, pp. 1-6 -
Pseudorange measurement outlier detection for navigation with cellular signals
M. Maaref, J. Khalife, and Z. Kassas
ACM/IEEE International Conference on Cyber-Physical Systems, Apr. 16-18, 2019, Montreal, Canada, pp. 346-347 -
Performance evaluation of navigation using LEO satellite signals with periodically transmitted satellite positions
C. Ardito, J. Morales, J. Khalife, A. Abdallah, and Z. Kassas
ION International Technical Meeting, Jan. 28-31, 2019, Reston, VA, pp. 306-318 -
Event-based communication strategy for collaborative navigation with signals of opportunity
J. Morales and Z. Kassas
Asilomar Conference on Signals, Systems and Computers, Oct. 28-31, 2018, Pacific Grove, CA, pp. 548-553 (invited) -
Inertial navigation system aiding with Orbcomm LEO satellite Doppler measurements
J. Morales, J. Khalife, A. Abdallah, C. Ardito, and Z. Kassas
ION Global Navigation Satellite Systems Conference, Sep. 24-28, 2018, Miami, FL, pp. 2718-2725 -
Centimeter-accurate UAV navigation with cellular signals
J. Khalife, S. Bhattacharya, and Z. Kassas
ION Global Navigation Satellite Systems Conference, Sep. 24-28, 2018, Miami, FL, pp. 2321-2331 -
Integrity monitoring of LTE signals of opportunity-based navigation for autonomous ground vehicles
M. Maaref, J. Khalife, and Z. Kassas
ION Global Navigation Satellite Systems Conference, Sep. 24-28, 2018, Miami, FL, pp. 2456-2466 -
Positioning performance of LTE signals in Rician fading environments exploiting antenna motion
K. Shamaei, J. Morales, and Z. Kassas
ION Global Navigation Satellite Systems Conference, Sep. 24-28, 2018, Miami, FL, pp. 3423-3432 -
Indoor positioning based on LTE carrier phase measurements and an inertial measurement unit
A. Abdallah, K. Shamaei, and Z. Kassas
ION Global Navigation Satellite Systems Conference, Sep. 24-28, 2018, Miami, FL, pp. 3374-3384 -
A low communication rate distributed inertial navigation architecture with cellular signal aiding
J. Morales and Z. Kassas
IEEE Vehicular Technology Conference, Jun. 3-6, 2018, Porto, Portugal, pp. 1-6 -
Precise UAV navigation with cellular carrier phase measurements
J. Khalife and Z. Kassas
IEEE/ION Position, Location, and Navigation Symposium, Apr. 23-26, 2018, Monterey, CA, pp. 978-989 -
Information fusion strategies for collaborative radio SLAM
J. Morales and Z. Kassas
IEEE/ION Position, Location, and Navigation Symposium, Apr. 23-26, 2018, Monterey, CA, pp. 1445-1454 -
A joint TOA and DOA approach for positioning with LTE signals
K. Shamaei, J. Khalife, and Z. Kassas
IEEE/ION Position, Location, and Navigation Symposium, Apr. 23-26, 2018, Monterey, CA, pp. 81-91 -
Optimal measurement location planning for localizing underwater transponders
J. Garcia, J. Farrell, and Z. Kassas
IEEE/ION Position, Location, and Navigation Symposium, Apr. 23-26, 2018, Monterey, CA, pp. 480-486 -
A machine learning approach for localization in cellular environments
A. Abdallah, S. Saab, and Z. Kassas
IEEE/ION Position, Location, and Navigation Symposium, Apr. 23-26, 2018, Monterey, CA, pp. 1223-1227 -
Pseudorange and multipath analysis of positioning with LTE secondary synchronization signals
K. Shamaei, J. Khalife, and Z. Kassas
IEEE Wireless Communications and Networking Conference, Apr. 15-18, 2018, Barcelona, Spain, pp. 286-291 (special session) -
Distributed signals of opportunity aided inertial navigation with intermittent communication
J. Morales and Z. Kassas
ION Global Navigation Satellite Systems Conference, Sep. 25-29, 2017, Portland, OR, pp. 2519-2530 -
Computationally efficient receiver design for mitigating multipath for positioning with LTE signals
K. Shamaei, J. Khalife, S. Bhattacharya, and Z. Kassas
ION Global Navigation Satellite Systems Conference, Sep. 25-29, 2017, Portland, OR, pp. 3751-3760 -
Evaluation of relative clock stability in cellular networks
J. Khalife and Z. Kassas
ION Global Navigation Satellite Systems Conference, Sep. 25-29, 2017, Portland, OR, pp. 2554-2559 -
Ranging precision analysis of LTE signals
K. Shamaei, J. Khalife, and Z. Kassas
European Signal Processing Conference, Aug. 28 - Sep. 2, 2017, Kos Island, Greece, pp. 2788-2792 (special session) -
Pose estimation with lidar odometry and cellular pseudoranges
J. Khalife, S. Ragothaman, and Z. Kassas
IEEE Intelligent Vehicles Symposium, Jun. 11-14, 2017, Redondo Beach, CA, pp. 1722-1727 -
Modeling and analysis of sector clock bias mismatch for navigation with cellular signals
J. Khalife and Z. Kassas
American Control Conference, May 24-26, 2017, Seattle, WA, pp. 3573-3578 -
Collaborative autonomous vehicles with signals of opportunity aided inertial navigation systems
J. Morales, J. Khalife, and Z. Kassas
ION International Technical Meeting, Jan. 30 - Feb. 2, 2017, Monterey, CA, pp. 805-818 -
Comparative results for positioning with secondary synchronization signal versus cell specific reference signal in LTE systems
K. Shamaei, J. Khalife, and Z. Kassas
ION International Technical Meeting, Jan. 30 - Feb. 2, 2017, Monterey, CA, pp. 1256-1268 -
Signals of opportunity aided inertial navigation
J. Morales, P. Roysdon, and Z. Kassas
ION Global Navigation Satellite Systems Conference, Sep. 12-16, 2016, Portland, OR, pp. 1492-1501 -
Performance characterization of positioning in LTE systems
K. Shamaei, J. Khalife, and Z. Kassas
ION Global Navigation Satellite Systems Conference, Sep. 12-16, 2016, Portland, OR, pp. 2262-2270 -
Characterization of sector clock biases in cellular CDMA systems
J. Khalife and Z. Kassas
ION Global Navigation Satellite Systems Conference, Sep. 12-16, 2016, Portland, OR, pp. 2281-2285 -
A software-defined receiver architecture for cellular CDMA-based navigation
J. Khalife, K. Shamaei, and Z. Kassas
IEEE/ION Position, Location, and Navigation Symposium, Apr. 11-14, 2016, Savannah, GA, pp. 816-826 -
GNSS vertical dilution of precision reduction using terrestrial signals of opportunity
J. Morales, J. Khalife, and Z. Kassas
ION International Technical Meeting, Jan. 25-28, 2016, Monterey, CA, pp. 664-669 -
Optimal receiver placement for collaborative mapping of signals of opportunity
J. Morales and Z. Kassas
ION Global Navigation Satellite Systems Conference, Sep. 14-18, 2015, Tampa, FL, pp. 2362-2368 -
Indoor localization based on floor plans and power maps: non-line of sight to virtual line of sight
J. Khalifeh, Z. Kassas, and S. Saab
ION Global Navigation Satellite Systems Conference, Sep. 14-18, 2015, Tampa, FL, pp. 2291-2300 -
Adaptive estimation of signals of opportunity
Z. Kassas, V. Ghadiok, and T. Humphreys
ION Global Navigation Satellite Systems Conference, Sep. 8-12, 2014, Tampa, FL, pp. 1679-1689 -
A graphical approach to GPS software-defined receiver implementation
Z. Kassas, J. Bhatti, and T. Humphreys
IEEE Global Conference on Signal and Information Processing, Dec. 3-5, 2013, Austin, TX, pp. 1226-1229 (invited) -
The price of anarchy in active signal landscape map building
Z. Kassas and T. Humphreys
IEEE Global Conference on Signal and Information Processing, Dec. 3-5, 2013, Austin, TX, pp. 165-168 -
Receding horizon trajectory optimization for simultaneous signal landscape mapping and receiver localization
Z. Kassas, J. Bhatti, and T. Humphreys
ION Global Navigation Satellite Systems Conference, Sep. 16-20, 2013, Nashville, TN, pp. 1962-1969 -
Motion planning for optimal information gathering in opportunistic navigation systems
Z. Kassas and T. Humphreys
AIAA Guidance, Navigation, and Control Conference, Aug. 19-22, 2013, Boston, MA, pp. 4551-4565 -
Observability and estimability of collaborative opportunistic navigation with pseudorange measurements
Z. Kassas and T. Humphreys
ION Global Navigation Satellite Systems Conference, Sep. 17-21, 2012, Nashville, TN, pp. 621-630 -
Observability analysis of opportunistic navigation with pseudorange measurements
Z. Kassas and T. Humphreys
AIAA Guidance, Navigation, and Control Conference, Aug. 13-16, 2012, Minneapolis, MN, pp. 4760-4775 -
Optimal H2 and H∞ control of extremely large segmented telescopes
Z. Kassas and R. Bishop
AIAA Guidance, Navigation, and Control Conference, Aug. 13-16, 2012, Minneapolis, MN, pp. pp. 4529-4540 -
Constructing a continuous phase time history from TDMA signals for opportunistic navigation
K. Pesyna, Z. Kassas, and T. Humphreys
IEEE/ION Position, Location, and Navigation Symposium, Apr. 24-26, 2012, Myrtle Beach, SC, pp. 1209-1220 -
Tightly-coupled opportunistic navigation for deep urban and indoor positioning
K. Pesyna, Z. Kassas, J. Bhatti, and T. Humphreys
ION Global Navigation Satellite Systems Conference, Sep. 20-23, 2011, Portland, OR, pp. 3605-3617 -
Numerical simulation of continuous-time stochastic dynamical systems with noisy measurements and their discrete-time equivalents
Z. Kassas
IEEE International Symposium on Computer-Aided Control System Design, Sep. 28-30, 2011, Denver, CO, pp. 1397-1402 -
Methodologies for implementing FPGA-based control systems
Z. Kassas
IFAC World Congress, Aug. 28 - Sep. 2, 2011, Milan, Italy, pp. 9911-9916 -
A numerical algorithm for reconstructing continuous-time linear models with pure integrators from their discrete-time equivalents
Z. Kassas and G. Morrow
IEEE International Symposium on Computer-Aided Control System Design, Sep. 3-5, 2008, San Antonio, TX, pp. 377-382 -
New mechatronics development techniques for FPGA-based control of electromechanical systems
B. MacCleery and Z. Kassas
IFAC World Congress, Jul. 6-11, 2008, Seoul, South Korea, pp. 4434-4439 -
A unified approach for classroom and laboratory control systems education
Z. Kassas and R. Dunia
IFAC World Congress, Jul. 6-11, 2008, Seoul, South Korea, pp. 14618-14623 -
Discretization of MIMO systems with nonuniform input and output fractional time delays
Z. Kassas and R. Dunia
IEEE Conference on Decision and Control, Dec. 13-15, 2006, San Diego, CA, pp. 2541-2546 -
Out-of-surveillance target state estimation: a combined hospitability and synthetic inclination approach
Z. Kassas, U. Ozguner, and J. Layne
IEEE Conference on Decision and Control, Dec. 14-17, 2004, Paradise Island, Bahamas, pp. 710-715 -
Map-based land vehicle navigation system with DGPS
S. Saab and Z. Kassas
IEEE Intelligent Vehicle Symposium, Jun. 17-21, 2002, Versailles, France, pp. 209-214
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A look at the stars: navigation with multi-constellation LEO satellite signals of opportunity
Z. Kassas, S. Kozhaya, J. Saroufim, H. Kanj, and S. Hayek
Inside GNSS Magazine, Vol. 18, Issue 4, Aug. 2023, pp. 38–47 (cover article) -
Securing PNT for highly automated transportation systems
Z. Kassas
Institute of Navigation Newsletter, Vol. 33, Issue 2, Apr. 2023, pp. 14-15 (invited) -
Enter LEO on the GNSS stage: navigation with Starlink satellites
Z. Kassas, M. Neinavaie, J. Khalife, N. Khairallah, S. Kozhaya, J. Haidar-Ahmad, and Z. Shadram
Inside GNSS Magazine, Vol. 16, Issue 6, Dec. 2021, pp. 42-51 (cover article) -
Carpe signum: seize the signal – opportunistic navigation with 5G
Z. Kassas, A. Abdallah, and M. Orabi
Inside GNSS Magazine, Vol. 16, Issue 1, Feb. 2021, pp. 52–57 -
Recent advancement on the use of global navigation satellite system-based positioning for intelligent transport systems
F. Dovis, L. Ruotsalainen, R. Toledo-Moreo, Z. Kassas, and V. Gikas
IEEE Intelligent Transportation Systems Magazine, Vol. 12, Issue 3, Jul. 2020, pp. 6–9 (special issue) -
Opportunity comes knocking: overcoming GPS vulnerabilities with other satellites’ signals
Z. Kassas, J. Khalife, M. Neinavaie, and T. Mortlock
Inside Unmanned Systems Magazine, Jul. 2020, pp. 30–35 (special issue) -
New-age satellite-based navigation – STAN: simultaneous tracking and navigation with LEO satellite signals
Z. Kassas, J. Morales, and J. Khalife
Inside GNSS Magazine, Vol. 14, Issue 4, Aug. 2019, pp. 56–65 (cover article) -
Navigation systems for autonomous and semi-autonomous vehicles: current trends and future challenges
Z. Kassas, P. Closas, and J. Gross
IEEE Aerospace and Electronic Systems Magazine, Vol. 34, Issue 5, May 2019, pp. 82-84 (invited) -
LTE steers UAV
Z. Kassas, J. Morales, K. Shamaei, and J. Khalife
GPS World Magazine, Vol. 28, Issue 4, Apr. 2017, pp. 18-25 (cover article) -
Opportunity for accuracy
J. Morales, J. Khalife, and Z. Kassas
GPS World Magazine, Vol. 27, Issue 3, Mar. 2016, pp. 22-29 (cover article) -
Collaborative opportunistic navigation
Z. Kassas
IEEE Aerospace and Electronic Systems Magazine, Vol. 28, Issue 6, Jun. 2013, pp. 38-41
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Navigation from low Earth orbit – Part 2: models, implementation, and performance
Z. Kassas
Position, Navigation, and Timing Technologies in the 21st Century: Integrated Satellite Navigation, Sensor Systems, and Civil Applications, Volume 2, Wiley-IEEE Press, Jan. 2021, pp. 1381-1412 -
Navigation with cellular signals of opportunity
Z. Kassas
Position, Navigation, and Timing Technologies in the 21st Century: Integrated Satellite Navigation, Sensor Systems, and Civil Applications, Volume 2, Wiley-IEEE Press, Jan. 2021, pp. 1171-1223 -
A hospitability map approach for estimating a mobile target location
J. Layne, M. Eilders, Z. Kassas, and U. Ozguner
Recent Developments in Cooperative Control and Optimization, Kluwer Academic Publishers, Nov. 2003, pp. 117-124
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Towards opportunistic navigation with LEO satellites: Adaptive clock estimation and closed-loop ephemeris tracking
N. Khairallah
M.S. Thesis, University of California, Irvine, USA, 2022 -
Aerial vehicle navigation with terrestrial signals of opportunity: Performance analysis and transmitter selection
A. Nguyen
M.S. Thesis, University of California, Irvine, USA, 2022 -
Indoor navigation with cellular signals utilizing synthetic aperture for multipath mitigation
A. Abdallah
M.S. Thesis, University of California, Irvine, USA, 2022 -
Path planning for autonomous ground vehicles using GNSS and cellular LTE signal reliability maps and GIS 3-D maps
S. Ragothaman
M.S. Thesis, University of California, Riverside, USA, 2018 -
Autonomous surface vehicle measurement location planning for optimal underwater acoustic transponder localization
J. Garcia
M.S. Thesis, University of California, Riverside, USA, 2018
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Cognitive sensing and navigation with unknown terrestrial and LEO satellite signals
M. Neinavaie
Ph.D. Dissertation, The Ohio State University, Columbus, OH, USA, 2023 -
Exploiting cellular signals for navigation: 4G to 5G
K. Shamaei
Ph.D. Dissertation, University of California, Irvine, CA, USA, 2020 -
Precise navigation with cellular signals: Receiver design, differential and non-differential frameworks, and performance analysis
J. Khalife
Ph.D. Dissertation, University of California, Irvine, CA, USA, 2020 -
Inertial radio SLAM: Standalone and collaborative architectures
J. Morales
Ph.D. Dissertation, University of California, Irvine, CA, USA, 2020
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Ultimate navigation chip: Synthetic aperture navigation with cellular signals and IMU
A. Abdallah, K. Shamaei, A. Shkel, and Z. Kassas
NIST Public Safety Broadband Stakeholder Meeting, Jul. 10, 2019, Chicago, IL -
Pseudorange measurement outlier detection for navigation with cellular signals
M. Maaref, J. Khalife, and Z. Kassas
ACM/IEEE International Conference on Cyber-Physical Systems, Apr. 16-18, 2019, Montreal, Canada -
Navigation with cellular CDMA signals
J. Khalife, K. Shamaei, and Z. Kassas
Southern California Robotics Symposium, Apr. 22, 2016, San Diego, CA -
Mapping and exploitation of signals of opportunity
J. Morales, J. Khalife, and Z. Kassas
Southern California Robotics Symposium, Apr. 22, 2016, San Diego, CA -
Vehicular navigation with cellular CDMA signals
J. Khalife, K. Shamaei, and Z. Kassas
University of California Center on Economic Competitiveness in Transportation Conference, Feb. 11-12, 2016, Riverside, CA -
Trajectory optimization for signals of opportunity mapping
Z. Kassas and T. Humphreys
Wireless Networking and Communications Group Open House, Jan. 31, 2014, Austin, TX
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Blind beacon estimation, Doppler tracking, and opportunistic positioning with multi-constellation unknown LEO satellites
Z. Kassas, S. Kozhaya, and H. Kanj
U.S. Patent Application No. 63/498,189, Filed: Apr. 25, 2023 -
Cognitive opportunistic navigation with Starlink LEO satellites: on-demand and always-on OFDM reference signals
Z. Kassas and M. Neinavaie
U.S. Patent Application No. 63/457,372, Filed: Apr. 5, 2023 -
Systems and methods for positioning and navigation with low Earth orbit satellite signals
Z. Kassas and M. Neinavaie
U.S. Patent Application No. 63/393,501, Filed: Jul. 29, 2022 -
Systems and methods for determining cellular downlink observables and navigation
Z. Kassas and A. Abdallah
U.S. Patent Application No. 63/355,890, Filed: Jun. 27, 2022 -
Systems and methods for user equipment based 5G navigation and downlink bandwidth operations
Z. Kassas and A. Abdallah
U.S. Patent Application No. 63/315,719, Filed: Mar. 2, 2022 -
Systems and methods for acquisition and tracking of unknown LEO satellite signals
Z. Kassas, J. Khalife, and M. Neinavaie
U.S. Patent Application No. 63/210,595, Filed: Jun. 15, 2021 -
Systems and methods for differential and non-differential navigation with cellular signals
Z. Kassas and J. Khalife
U.S. Patent Application No. 63/155,048, Filed: Mar. 1, 2021 -
Systems and methods for blind opportunistic navigation, cognitive deciphering of partially known signals of opportunity, and blind Doppler estimation from LEO satellite signals
Z. Kassas, M. Neinavaie, and J. Khalife
U.S. Patent Application No. 63/087,591, Filed: Oct. 5, 2020 -
Navigation with differential carrier phase measurement from low Earth orbit satellites
Z. Kassas, J. Khalife, and M. Neinavaie
U.S. Patent Application No. 63/047,796, Filed: Jul. 2, 2020 -
Systems and methods for opportunistic time of arrival estimation for opportunistic localization with 5G signals
Z. Kassas and K. Shamaei
U.S. Patent Application No. 63/026,360, Filed: May 18, 2020 -
Systems and methods for TOA and DOA acquisition and tracking for signal of opportunity positioning
Z. Kassas and K. Shamaei
U.S. Patent Application No. 63/013,638, Filed: Apr. 22, 2020 -
Sub-meter accurate navigation and cycle slip detection with LTE carrier phase measurements
Z. Kassas and K. Shamaei
U.S. Patent Application No. 62/930,298, Filed: Nov. 4, 2019 -
Indoor localization system with LTE code and carrier phase measurements and an IMU
Z. Kassas, A. Abdallah, and K. Shamaei
U.S. Patent Application No. 62/913,078, Filed: Oct. 9, 2019 -
Synthetic aperture navigation with LTE signals
Z. Kassas and A. Abdallah
U.S. Patent Application No. 62/913,074, Filed: Oct. 9, 2019 -
Receiver design for Doppler positioning with low Earth orbit satellites and differential carrier phase measurements
Z. Kassas, J. Khalife, and A. Abdallah
U.S. Patent Application No. 62/834,317, Filed: Apr. 15, 2019 -
Simultaneous tracking and navigation using LEO satellite signals
Z. Kassas J. Morales, and J. Khalife
U.S. Patent Application No. 62/834,313, Filed: Apr. 15, 2019 -
Lane-level navigation system for ground vehicles with lidar and cellular signals
Z. Kassas, M. Maaref, and J. Khalife
U.S. Patent Application No. 62/721,967, Filed: Aug. 23, 2018 -
Signals of opportunity aided inertial navigation system
Z. Kassas and J. Morales
U.S. Patent Application No. 62/398,413, Filed: Sep. 22, 2016 -
Software-defined radio for navigation with LTE signals
Z. Kassas, K. Shamaei, and J. Khalife
U.S. Patent Application No. 62/398,403, Filed: Sep. 22, 2016 -
Software-defined radio for navigation with cellular CDMA signals
Z. Kassas, J. Khalife, and K. Shamaei
U.S. Patent Application No. 62/294,758, Filed: Feb. 12 2016 -
Multi-channel algorithm infrastructure for programmable hardware elements
Z. Kassas and J. Lewis
Patent No. 8,122,238, Issued: Feb. 21, 2012
Open Postdoc Positions
I have one immediate opening for a postdoctoral researcher in radionavigation and wireless communication systems. Desired qualifications: (1) Ph.D. in Electrical and Computer Engineering, Aerospace Engineering, or a closely related field; (2) knowledge of wireless communications and/or GNSS; (3) demonstrated hands-on expertise in software-defined radio (SDR) design and implementation; (4) strong programming skills (MATLAB, LabVIEW, and/or C++); (5) publications in relevant top-tier journals and conference proceedings; (6) strong communication, presentation, and documentation skills; and (7) ambition to become a leader in the field (e.g., Professor, Senior R&D Engineer, Managing Technical Director, Program Manager, etc.). To apply, please email me: (1) a complete CV, (2) up-to-date university transcripts, (3) a short statement describing research interests and goals, (4) names and contacts of 3 references, and (5) a link to your website (if available). Position duration: minimum of 1 year, extendable up to 3 years.
Open Graduate Student Positions
I have two openings for Ph.D. students with full financial assistantship. The research will be in the broad areas of Intelligent Systems, Communications & Signal Processing, and Controls & Robotics with applications to: satellites, unmanned aerial vehicles, self-driving cars, indoor robotics, mobile devices, and underwater vehicles. To apply, please email me: (1) a complete CV, (2) up-to-date university transcripts, and (3) copies of relevant publications (if available).
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Forough Nasihati Gourabi |
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Artun Sel |
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Sharbel Kozhaya |
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Shaghayegh Shahcheraghi |
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Samer Watchi Hayek |
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Joe Saroufim |
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Faezeh Mooseli |
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Will Barrett |
Visiting Faculty
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Prof. Laura Ruotsalainen
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Prof. Jiwon Seo |
Postdoctoral Researchers
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Dr. Zeinab Shadram |
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Dr. Joe Khalife |
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Dr. Mahdi Maaref |
Ph.D. Students
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Dr. Mohammad Neinavaie |
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Dr. Kimia Shamaei
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Dr. Joe Khalife |
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Dr. Joshua Morales |
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Halim Lee |
M.S. Students
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Ralph Sabbagh |
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Nadim Khairallah |
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Alex Nguyen |
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Ali Abdallah |
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Jamil Haidar-Ahmad |
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Mohamad Orabi |
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Trier Mortlock |
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Christian Ardito |
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Sonya Ragothaman |
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Jesse Garcia |
B.S. Theses
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Carlos Acebes Cebrián |
Total: $26,802,150; Conducted as PI: $23,612,450; Kassas’ Share: $9,184,075
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Sandia National Laboratories Title: Icarus: High Altitude Opportunistic Radio Frequency Navigation Amount: $150,000 Period: 2023-2024 PI: Z. Kassas |
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Consortium on Electromagnetics and Radio Frequencies (CERF), ElectroScience Laboratory (ESL) Title: Characterization of Low Earth Orbit (LEO) Satellite Signals for Positioning and Timing Amount: $10,000 Period: 2024 PI: Z. Kassas |
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US Department of Transportation (USDOT) Title: Center for Automated Vehicles Research with Multimodal AssurEd Navigation (CARMEN+) – Tier 1 University Transportation Center (UTC) Amount: $10,000,000 (Cost Share: $5,000,000); Kassas’ Share: $1,463,345 (Cost Share: $767,610) Period: 2023-2029 PI: Z. Kassas; Co-PIs: Q. Ahmed (OSU), C. Chen (OSU), D. Grejner-Brzezinska (OSU), Z. Lin (OSU), U. Ozguner (OSU), F. Ozguner (OSU), K. Redmill (OSU), C. Toth (OSU), A. Yener (OSU), C. Bhat (UT-Austin), T. Humphreys (UT-Austin), A. Chen (UCI), V. Deguzman (UCI), R. Jayakrishnan (UCI), S. Ritchie (UCI), A. Homaifar (NCAT), M. Mahmoud (NCAT) |
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Consortium on Electromagnetics and Radio Frequencies (CERF), ElectroScience Laboratory (ESL) Title: Characterization of 5G Signals for Positioning, Navigation, and Timing Amount: $10,000 Period: 2023 PI: Z. Kassas |
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Aerospace Corporation Title: Alternative PNT using Signals of Opportunity Navigation Amount: $350,000 Period: 2023-2025 PI: Z. Kassas |
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Office of Naval Research (ONR) Title: Cognitive Opportunistic Navigation with Unknown LEO and MEO Satellite Signals Amount: $750,000 Period: 2022-2026 PI: Z. Kassas |
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National Science Foundation (NSF) Title: SMAC-FIRE: Closed-Loop Sensing, Modeling and Communications for WildFIRE Amount: $1,199,087, Kassas’ Share: $269,600 Period: 2022-2025 PI: A. Swindlehurst (UCI), Co-PI: Z. Kassas, H. Jafarkhani (UCI), T. Banerjee (UCI), and J. Coen (National Center for Atmospheric Research) |
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Air Force Office of Scientific Research (AFOSR) Title: Young Investigator Program (YIP): Dynamic Data Driven C-SPAN: Cognitive Sensing, Perception, Autonomy, and Navigation Amount: $450,000 Period: 2022-2025 PI: Z. Kassas |
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Office of Naval Research (ONR) Title: Harnessing Terrestrial and Space-Based Millimeter-Wave Signals for Resilient and Accurate Positioning, Navigation, and Timing Amount: $457,000 Period: 2021-2025 PI: Z. Kassas |
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Sandia National Laboratories Title: Aircraft Navigation via Opportunistic Radio Frequency Simultaneous Localization and Mapping Amount: $300,000 Period: 2021-2023 PI: Z. Kassas |
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US Department of Transportation (USDOT) Title: Assured Navigation and Timing Engineering for Automated Transportation Education and Research – Tier 1 University Transportation Center (UTC) Amount: $1,925,000 (Cost Share: $962,500); Kassas’ Share: $480,966 (Cost Share: $190,604) Period: 2020-2023 PI: Z. Kassas; Co-PIs: D. Grejner-Brzezinska (OSU), C. Toth (OSU), K. Redmill (OSU), U. Ozguner (OSU), A. O'Brien (OSU), Q. Ahmed (OSU), G. Rizzoni (OSU), T. Humphreys (UT–Austin), C. Bhat (UT–Austin), S. Ritchie (UCI), A. Chen (UCI), K. Cohen (UC) |
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Sandia National Laboratories Title: Assessment of Cellular Signals of Opportunity for Aerial Vehicle Navigation Amount: $25,000 Period: 2021 PI: Z. Kassas |
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Institute for Information & Communication Technology Promotion (IITP), South Korea Title: AI-Driven Intelligent Navigation for Autonomous Vehicles in Challenging Environments Amount: $10,000 Period: 2021 PI: Z. Kassas |
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University of California, Irvine Title: The Internet of Things (IoT) for Wildfire Management Amount: $30,000, Kassas’ Share: $12,000 Period: 2020-2021 PI: L. Swindlehurst, Co-PI: Z. Kassas, H. Jafarkhani (UCI), T. Banerjee (UCI), and A. Eltawil (UCI) |
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University of California, Irvine Title: Characterization of cellular LTE signals in a GPS-jammed environment Amount: $9,250 Period: 2020-2021 PI: Z. Kassas |
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Department of the Air Force Title: SNIFFER: Signals of opportunity for Navigation In Frequency-Forbidden EnviRonments Amount Value: $250,000 Period: 2019-2020 PI: Z. Kassas |
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Department of the Air Force Title: Developmental Test (DT) Navigation Festival (NAVFEST) Amount Value: $43,700 Period: 2019 PI: Z. Kassas |
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Office of Naval Research (ONR) Title: Young Investigator Program (YIP): I Hear, Therefore I Know Where I Am: Exploiting Signals of Opportunity for Robust and Accurate Navigation in GPS-Denied Environments Amount: $750,000 Period: 2019-2023 PI: Z. Kassas |
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National Science Foundation (NSF) Title: CAREER: Situational Awareness Strategies for Autonomous Systems in Dynamic Uncertain Environments Amount: $500,000 Period: 2018-2024 PI: Z. Kassas |
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National Institute of Standards and Technology (NIST) Title: Ultimate Navigation Chip (uNavChip): Chip-Scale Personal Navigation System Integrating Deterministic Localization and Probabilistic Signals of Opportunity Amount: $1,960,613, Kassas’ Share: $350,000 Period: 2017-2021 PI: A. Shkel (UCI), Co-PI: Z. Kassas and S. Kia (UCI) |
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Office of Naval Research (ONR) Title: Developing a New Generation of Engineers with Cutting-Edge Knowledge in Resilient Navigation and Communication Systems in Contested Electromagnetic Environments Amount: $750,000 Period: 2016-2022 PI: Z. Kassas |
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Office of Naval Research (ONR) Title: A Collaborative Opportunistic Framework for Resilient and Accurate Navigation in GPS-Challenged Environments Amount: $510,000 Period: 2016-2020 PI: Z. Kassas |
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Office of Naval Research (ONR) Title: Geophysical Navigation of Unmanned Underwater Vehicles (UUVs) Amount: $225,000, Kassas’ Share: $150,000 Period: 2016-2020 PI: Z. Kassas; Co-PI: J. Farrell |
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National Science Foundation (NSF) Title: Towards Optimal Information Gathering in Unknown Stochastic Environments Amount: $175,000 Period: 2016-2021 PI: Z. Kassas |
Expertise
- Cyber-physical systems
- Navigation systems
- Intelligent transportation systems
- Cognitive sensing and software-defined radio
- Low Earth orbit satellites
- Autonomous vehicles
- Sensor fusion