Source codes of publications can be requested at ammar.ahmed@temple.edu
Source codes of publications can be requested at ammar.ahmed@temple.edu
Copyright Notice: Copyright and all rights therein are retained by authors or by other copyright holders. All persons copying this information are expected to adhere to the terms and constraints invoked by each author's copyright. In most cases, these works may not be reposted without the explicit permission of the copyright holder.
A. Ahmed, J. Picone (Eds.). (2025). Signal Processing in Medicine and Biology: Applications of Artificial Intelligence in Medicine and Biology (Tentative) (1st ed.). Springer. (Download).
A. Ahmed, J. Picone (Eds.). (2024). Machine Learning Applications in Medicine and Biology (1st ed.). Springer. (Download).
Ammar Ahmed, Elias Aboutanios, and Yimin D. Zhang, "Sensing-centric ISAC signal processing," in F. Liu, Y. C. Eldar, and C. Masouros (eds.), Integrated Sensing and Communications, Springer, 2023. (ISBN 978-981-99-2500-1, ISBN eBook 978-981-99-2501-8).
Ammar Ahmed and Yimin D. Zhang, "Optimized resource allocation for joint radar-communications," in K. V. Mishra, B. Shankar, B. Ottersten, and A. L. Swindlehurst (eds.), Signal Processing for Joint Radar-Communications, Wily-IEEE Press, 2023.
A. Ahmed, "Strategies for Radar-Communication Spectrum Sharing," Ph.D. Thesis, Temple University, May 2021. (Primary Advisor: Dr. Yimin D. Zhang, Doctoral Advisory Committee: Dr. Dennis Silage, Dr. Joseph Picone, Dr. Yu Wang)
A. Ahmed, "Higher Order Statistics based Direction-of-Arrival Estimation," MS Thesis, Pakistan Institute of Engineering and Applied Sciences (PIEAS), October 2011. (Advisor: Dr. Muhammad Tufail, Co-Advisor: Dr. Shakeel Ahmed)
A. Ahmed and Y. D. Zhang, "Optimized resource allocation for distributed joint radar-communication system," IEEE Transactions on Vehicular Technology (in press.).
A. Ahmed, Y. D. Zhang, and B. Himed, "Joint target and ionosphere parameter estimation in over-the-horizon radar," IEEE Transactions on Aerospace and Electronic Systems, vol. 58, no. 5, pp. 4361-4376, Oct. 2022.
Y. D. Zhang, A. Ahmed, and B. Himed, "Target altitude estimation in over-the-horizon radar," IEEE Access, vol. 10, pp. 11260-11273, Jan. 2022.
A. Ahmed, Y. D. Zhang, and A. Hassanien, "Joint radar-communications exploiting optimized OFDM waveform," Remote Sensing, vol. 13, no. 21, p. 4376, Oct. 2021.
S. Zhang, A. Ahmed, Y. D. Zhang, and S. Sun, "Enhanced DOA estimation exploiting multi-frequency sparse array," IEEE Transactions on Signal Processing, vol. 69, pp. 5935-5946, Oct. 2021.
A. Ahmed, and Y. D. Zhang, “Generalized nonredundant sparse array designs,” IEEE Transactions on Signal Processing, vol. 69, pp. 4580-4594, Aug. 2021.
A. Ahmed, S. Zhang, and Y. D. Zhang, “Antenna selection strategy for transmit beamforming-based joint radar-communication system,” Digital Signal Processing, vol. 105, pp. 102768, Oct. 2020.
A. Ahmed, Y. D. Zhang, and Y. Gu, “Dual-function radar-communications using QAM-based sidelobe modulation,” Digital Signal Processing, vol. 82, pp. 166-174, Nov. 2018.
A. Ahmed, and M. Tufail, “Genetic algorithm-based improved DOA estimation using fourth-order cumulants,” International Journal of Electronics, vol. 104, no. 5, pp. 747-760, 2017.
S. Hussain, A. Qayyum, et al., “Initial Plasma Formation in the GLAST-II Spherical Tokamak,” Journal of Fusion Energy, vol. 35, no. 3, pp. 529-537, Jan. 2016.
A. Ahmed, Y. D. Zhang, and B. Himed, "Sparsity-based high-resolution analysis of mixed-mode over-the-horizon radar signals," International Conference on Radar Systems, Edinburgh, UK, Oct. 2022.
A. Ahmed, Y. D. Zhang, and B. Himed, "Doppler signature analysis of over-the-horizon radar signals with target altitude perturbation," IEEE Radar Conference, New York, NY, March 2022.
A. Ahmed and Y. D. Zhang, “Non-redundant sparse array with flexible aperture,” Asilomar Conference on Signals, Systems, and Computers, Pacific Grove, CA, Nov. 2020.
A. Ahmed, Y. D. Zhang, and B. Himed, “Doppler signature separation of mixed O/X-mode over-the-horizon radar signals,” IEEE Radar Conference, Florence, Italy, Sept. 2020.
A. Ahmed, D. Silage, and Y. D. Zhang, “High-resolution target sensing using multi-frequency sparse array,” IEEE Sensor Array and Multichannel Signal Processing Workshop, Hangzhou, China, June 2020.
S. Zhang, A. Ahmed, Y. D. Zhang, and S. Sun, “DOA estimation exploiting interpolated multi-frequency sparse array,” IEEE Sensor Array and Multichannel Signal Processing Workshop, Hangzhou, China, June 2020.
A. Ahmed, D. Silage, and Y. D. Zhang, “Chance constrained beamforming for joint radar-communication systems,” IEEE Sensor Array and Multichannel Signal Processing Workshop, Hangzhou, China, June 2020.
A. Ahmed, S. Zhang, and Y. D. Zhang, “Optimized sensor selection for joint radar-communication systems,” IEEE International Conference on Acoustics, Speech, and Signal Processing, Barcelona, Spain, May 2020.
A. Ahmed, Y. D. Zhang, and B. Himed, “Doppler signature analysis of mixed O/X-mode signals in over-the-horizon radar,” IEEE International Radar Conference, Rockville, MD, April-May 2020.
S. Zhang, A. Ahmed, and Y. D. Zhang, “Sparsity-based time-frequency analysis for automatic radar waveform recognition,” IEEE International Radar Conference, Rockville, MD, April-May 2020.
A. Ahmed, Y. D. Zhang, A. Hassanien, B. Himed, “OFDM-based joint radar-communication system: optimal sub-carrier allocation and power distribution by exploiting mutual information,” Asilomar Conference on Signals, Systems, and Computers, Pacific Grove, CA, Nov. 2019.
S. Zhang, A. Ahmed, Y. D. Zhang, “Robust source localization exploiting collaborative UAV network,” Asilomar Conference on Signals, Systems, and Computers, Pacific Grove, CA, Nov. 2019.
A. Ahmed, S. Zhang, and Y. D. Zhang, “Multi-target motion parameter estimation exploiting collaborative UAV network,” IEEE International Conference on Acoustics, Speech, and Signal Processing, Brighton, U.K., May 2019.
A. Ahmed, Y. D. Zhang, and J-K. Zhang, “Coprime array design with minimum lag redundancy,” IEEE International Conference on Acoustics, Speech, and Signal Processing, Brighton, U.K., May 2019. [MATLAB]
A. Ahmed, Y. D. Zhang, and B. Himed, “Distributed dual-function radar-communication MIMO system with optimized resource allocation,” IEEE Radar Conference, Boston, MA, April 2019.
S. Zhang, A. Ahmed, and Y. D. Zhang "Sparsity-based collaborative sensing in a scalable wireless network", SPIE Defense + Commercial Sensing, Baltimore, MD, April 2019.
A. Ahmed, Y. Gu, D. Silage, and Y. D. Zhang, “Power-efficient multi-user dual-function radar-communications,” IEEE International Workshop on Signal Processing Advances in Wireless Communications, Kalamata, Greece, June 2018.
A. Ahmed, Y. D. Zhang, and B. Himed, “Multi-user dual-function radar-communications exploiting sidelobe control and waveform diversity,” IEEE Radar Conference, Oklahoma City, OK, April 2018.
A. Ahmed, Y. D. Zhang, and B. Himed, “Cumulant-based direction-of-arrival estimation using multiple co-prime frequencies,” Asilomar Conference on Signals, Systems, and Computers, Pacific Grove, CA, Oct. 2017.
A. Ahmed, Y. D. Zhang, and B. Himed, “Effective nested array design for fourth-order cumulant-based DOA estimation,” IEEE Radar Conference, Seattle, WA, May 2017. (best student paper award - 3rd position)
A. Ahmed, M. K. Zia, and M. Tufail, “Widely linear matrix pencil based frequency estimation in power systems,” International Conference on Emerging Technologies, Islamabad, Dec. 2013.
A. Ahmed, M. F. Khan, and M. Tufail, “Multiple invariance cumulant ESPRIT for DOA estimation,” International Conference on Robotics and Emerging Allied Technologies in Engineering, Islamabad, April 2014, pp. 157-159.
A. Ahmed, M. K. Zia, and M. Tufail, “Subspace based widely linear frequency estimation in sustainable energy systems,” International Conference on Robotics and Emerging Allied Technologies in Engineering, Islamabad, April 2014, pp. 287-291.
A. Ahmed, S. A. Hamza, and M. Tufail, “Comparative analysis of fourth order cumulant based ESPRIT algorithms,” International Conference on Frontiers of Information Technology, Islamabad, Dec. 2014, pp. 133-138.
M. K. Zia, A. Ahmed, and M. Tufail, “A duct based experimental setup for active noise control,” International Conference on Frontiers of Information Technology, Islamabad, Dec. 2014, pp. 139-143.
A. Ahmed and Y. D. Zhang, “Radar-based dataset development for human activity recognition,” IEEE Signal Processing in Medicine and Biology Symposium, Philadelphia, PA, Dec. 2020.
A. Ahmed, S. Zhang, V. S. Amin, Y. D. Zhang, “Spectrum sharing strategy for radio frequency-based medical services,” IEEE Signal Processing in Medicine and Biology Symposium, Philadelphia, PA, Dec. 2019. [MATLAB][Supplement]
A. Ahmed, Y. D. Zhang, and B. Himed, “System and method for distributed dual-function radar-communication,” U.S. Patent 11598841B1, March 7, 2023.