Satellite Navigation
GNSS Receiver Design
GNSS Software Receivers
GNSS Spoofing
GNSS Multipath Analysis and Mitigation
Unmanned Systems
GPU-Based GNSS Software Receivers
SLAM and Image-Based Navigation
Indoor/Wireless Positioning
Filtering
N.I. Ziedan, "GNSS Receivers for Weak Signals," Artech House, Norwood, MA, USA, ISBN: 1596930527, July 2006.
Patents
N.I. Ziedan and J.L.Garrison, "System and Method for High Dynamic Acquisition and Tracking of Signals From the Global Positioning System," US Patent # 8,031,112, October 4, 2011.
N.I. Ziedan and J.L. Garrison, "Method and Apparatus for Detecting and Processing Global Positioning System (GPS) Signals," US Patent # 7,545,894. June 9, 2009.
N.I. Ziedan and J.L. Garrison, "System and Method For Acquiring Weak Signals in A Global Positioning Satellite System," US Patent # 7,358,895. April 15, 2008.
Nesreen I. Ziedan, "Urban Positioning Accuracy Enhancement Utilizing 3D Buildings Model and Accelerated Ray Tracing Algorithm," Proceedings of the 30th International Technical Meeting of The Satellite Division of the Institute of Navigation (ION GNSS+ 2017), Portland, Oregon, September 2017, pp. 3253-3268. [ResearchGate Link]
Negin Sokhandan, Nesreen Ziedan, Ali Broumandan, and Gérard Lachapelle, "Context-Aware Adaptive Multipath Compensation Based on Channel Pattern Recognition for GNSS Receivers," Journal of Navigation, 70(5), pp. 944-962, 2017. doi:10.1017/S0373463317000121. [KUDOS Link] [ResearchGate Link]
Nesreen I. Ziedan, "Multipath and NLOS Signals Identification and Satellite Selection Algorithms for Multi-Constellation Receivers," Proceedings of the 29th International Technical Meeting of The Satellite Division of the Institute of Navigation (ION GNSS+ 2016), Portland, Oregon, September 2016, pp. 521-533. (Peer reviewed) [ResearchGate Link]
Liangchun Xu, Nesreen I. Ziedan, Xiaoji Niu, and Wenfei Guo, "Correlation Acceleration in GNSS Software Receivers using a CUDA-enabled GPU," GPS Solut (2017) 21: 225. https://doi.org/10.1007/s10291-016-0516-2.
Xiaoji Niu, Bing Li, Nesreen I. Ziedan, Wenfei Guo, and Jingnan Liu, "Analytical and Simulation-Based Comparison Between Traditional and Kalman Filter-Based Phase-Locked-Loops,” GPS Solut (2017) 21: 123. https://doi.org/10.1007/s10291-015-0509-6. [ResearchGate Link]
Nesreen I. Ziedan, "Multi-Constellation Fast Acquisition Through Utilization of Orbit Predictions and Positioning Data," Proceedings of the 28th International Technical Meeting of The Satellite Division of the Institute of Navigation (ION GNSS+ 2015), Tampa, Florida, September 2015, pp. 3702-3720. (Peer reviewed) [ResearchGate Link]
Liangchun Xu, Nesreen I. Ziedan, Wenfei Guo, and Xiaoji Niu, "NAVSDR: A GPU-based Modular GPS Software Receiver," Proceedings of the 28th International Technical Meeting of The Satellite Division of the Institute of Navigation (ION GNSS+ 2015), Tampa, Florida, September 2015, pp. 3198-3205. (Peer reviewed) (This paper won the "Best Paper Award") [ResearchGate Link]
Kunlun Yan, Nesreen I. Ziedan, Hongping Zhang, Wenfei Guo, Xiaoji Niu, and Jingnan Liu , "Weak GPS Signal Tracking using FFT Discriminator in Open Loop Receiver,'' GPS Solut (2016) 20: 225. https://doi.org/10.1007/s10291-014-0431-3.
Nesreen I. Ziedan, "Investigating and Utilizing the Limitations of Spoofing in a Map-Matching Anti-Spoofing Algorithm," Proceedings of the 27th International Technical Meeting of The Satellite Division of the Institute of Navigation (ION GNSS+ 2014), Tampa, Florida, September 2014, pp. 2843-2852. [ResearchGate Link]
Nesreen I. Ziedan, "Modeling and Analysis of Composite Multipath Characteristics for a Bayesian-Based Dense Multipath Mitigation Algorithm," Proceedings of the 27th International Technical Meeting of The Satellite Division of the Institute of Navigation (ION GNSS+ 2014), Tampa, Florida, September 2014, pp. 2754-2766. [ResearchGate Link]
Nesreen I. Ziedan, "Pattern Recognition-Based Environment Identification for Robust Wireless Devices Positioning", International Journal of Advanced Computer Science and Applications (IJACSA), Vol. 3, No. 12, pp. 25-32, December 2012. (Paper #4) [ResearchGate Link]
Nesreen I. Ziedan, "Multipath Channel Estimation and Pattern Recognition for Environment-Based Adaptive Tracking," Proceedings of the 25th International Technical Meeting of The Satellite Division of the Institute of Navigation (ION GNSS 2012), Nashville, TN, September 2012, pp. 394-407. [ResearchGate Link]
P. Esteves, M. Sahmoudi, N.I. Ziedan, M-L. Boucheret, "A New Adaptive Scheme for High-Sensitivity GNSS Acquisition in Presence of Large Doppler Shifts," Proceedings of the 25th International Technical Meeting of The Satellite Division of the Institute of Navigation (ION GNSS 2012), Nashville, TN, September 2012, pp. 28-40.
Nesreen I. Ziedan, "GPS L2C Signal Acquisition Algorithms for Resource-Limited Applications in Challenging Environments," International Journal of Computer Science and Information Security (IJCSIS),Vol. 9, No. 9, pp. 42-50, September 2011. (This paper has been selected for 'Best Paper' Award.)
Nesreen I. Ziedan, "Multi-Frequency Combined Processing for Direct and Multipath Signals Tracking Based on Particle Filtering,'" Proceedings of the 24th International Technical Meeting of The Satellite Division of the Institute of Navigation (ION GNSS 2011), Portland, OR, September 2011, pp. 1090-1101. [ResearchGate Link]
Nesreen I. Ziedan, "Bayesian Filtering Approaches for Unambiguous BOC Tracking under Weak Signal Conditions,'"Proceedings of the 24th International Technical Meeting of The Satellite Division of the Institute of Navigation (ION GNSS 2011), Portland, OR, September 2011, pp. 2790-2802. [ResearchGate Link]
Nesreen I. Ziedan, "Code and Carrier Tracking and Navigation Message Decoding for Weak GPS L2 Civil Signals,'" International Journal of Engineering Sciences and Technology (EIJEST), Vol.14, No.1, pp. 739--758, January. 2011.
Nesreen I. Ziedan, "Efficient Code Manipulation for Direct Acquisition of The Long CL Code of The GPS L2C Signal,'" in Proc. ENC GNSS 2010, October 19--21, 2010, Braunschweig, Germany.
Nesreen I. Ziedan, "L2CM and L2CL Codes Acquisition and Carrier Fine Acquisition for Weak GPS Signals,"' Journal of Engineering Sciences (JES), Vol. 38, No. 5, pp. 1275--1293, September 2010.
Nesreen I. Ziedan, "Fast Direct Acquisition of the L2 CL Code Through Utilizing the Code Properties and Wiener Filtering Techniques,'" Proceedings of the 23rd International Technical Meeting of The Satellite Division of the Institute of Navigation (ION GNSS 2010), Portland, OR, September 2010, pp. 1919-1931. [ResearchGate Link]
I.E. Ziedan, N.I. Ziedan, and A.A. Shahin, "A Network Protocols Suite for Wireless Sensor Networks," International Journal of Engineering Sciences and Technology (EIJEST), Vol. 13, No. 2, pp. 488--503, July 2010.
Nesreen I. Ziedan, "Extended Kalman Filter-Based Deeply Integrated GNSS/Low-Cost INS for Reliable Navigation under GNSS Weak Interrupted Signal Conditions,'" Proceedings of the 19th International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GNSS 2006), Fort Worth, TX, September 2006, pp. 2889-2900. [ResearchGate Link]
Nesreen I. Ziedan, "Acquisition and Fine Acquisition of Weak GPS L2C and L5 Signals under High Dynamic Conditions for Limited-Resource Applications,"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. 1577-1588. [ResearchGate Link]
Nesreen I. Ziedan, "Extended Kalman Filter Tracking and Navigation Message Decoding of Weak GPS L2C and L5 Signals," 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. 178-189. [ResearchGate Link]
N.I. Ziedan and J.L. Garrison, "Extended Kalman Filter-Based Tracking of weak GPS signals under high dynamic conditions," 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. 20-31. [ResearchGate Link]
N.I. Ziedan and J.L. Garrison, "Unaided Acquisition of Weak GPS Signals Using Circular Correlation or Double-Block Zero Padding," in Proc. IEEE-PLANS 2004, pp. 461--470, April 26--29, 2004, Monterey, CA, USA. [ResearchGate Link]
N.I. Ziedan and J.L. Garrison "Bit Synchronization and Doppler Frequency Removal at Very Low Carrier to Noise Ratio Using a Combination of the Viterbi Algorithm with an Extended Kalman Filter," Proceedings of the 16th International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GPS/GNSS 2003), Portland, OR, September 2003, pp. 616-627. [ResearchGate Link]