Publications

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Abdelaal, R., M. H. Ismail, and K. Elsayed, "Resource Allocation Strategies Based on the Signal-to-Leakage-plus-Noise Ratio in LTE-A CoMP Systems", Proc. of the IEEE Wireless Communications and Networking Conference (WCNC 2012), Paris, France, April, 2012.
Abdelaal, R. A., K. Elsayed, and M. H. Ismail, "Joint Scheduling and Resource Allocation with Fairness Based on the Signal-to-Leakage-plus-Noise Ratio in the Downlink of CoMP Systems", Wireless Personal Communications, vol. 75, issue 4, pp. 1891–1913, 2014.
Abdelaal, R. A., K. Elsayed, and M. H. Ismail, "Optimized Joint Power and Resource Allocation for Coordinated Multi-Point Transmission for Multi-User LTE Advanced Systems", Wireless Personal Communications, vol. 83, issue 4, pp. 2497-2518, 2015.
Abdelaal, R., K. Elsayed, and M. H. Ismail, "Cooperative Scheduling, Precoding, and Optimized Power Allocation for LTE-Advanced CoMP Systems", Wireless Days, Dublin, Ireland, November, 2012.
Abdelmonem, M. A., M. Nafie, M. H. Ismail, and M. S. El-Soudani, "Coarse spectrum sensing for LTE systems", Proc. of the 17th International Conference on Telecommun. (ICT 2010), Doha, Qatar, April, 2010.
Abdelmonem, M. A., M. Nafie, M. H. Ismail, and M. S. El-Soudani, "Optimized Spectrum Sensing Algorithms for Cognitive LTE Femtocells", EURASIP Journal of Wireless Communications and Networking (JWCN), vol. 2012, issue 6, pp. 1-19, 2012.
Aborahama, M., A Zakaria, M. H. Ismail, M. El-Bardicy, and M. El-Tarhuni, "Small-Scale Indoor Channel Measurements at 24 GHz on a University Campus", in Proc. of the 4th IEEE International Conference on Communications, Signal Processing and its Applications (ICCSPA'20) , 2020.
Aborahama, M., A Zakaria, M. H. Ismail, M. El-Bardicy, M. El-Tarhuni, and Y. Hatahet, "Large-scale channel characterization at 28 GHz on a university campus in the United Arab Emirates", Telecommunication Systems, vol. 74, issue 2, pp. 185-199, 2020.
Abusara, A., M. S. Hassan, and M. H. Ismail, "Reduced-complexity Fingerprinting in WLAN-based Indoor Positioning", Telecommunication Systems, vol. 65, issue 3, pp. 407 – 417, 2017.
Abusara, A., M. S. Hassan, and M. H. Ismail, "RSS Fingerprints Dimensionality Reduction in WLAN-based Indoor Positioning", In Proc. Wireless Telecommunications Symposium 2016, London, UK, April 2016.
Ahmed, I., M. H. Ismail, and M. S. Hassan, "Video Transmission using Device-to-Device Communications: A Survey", IEEE Access, vol. 7, issue 1, pp. 131019-131038, 2019.
Ahmed, I., M. H. Ismail, and M. S. Hassan, "A QoE-Aware Mode Selection Framework for Video Streaming in D2D Networks", IEEE Access, vol. 8, pp. 169272-169285, 2020.
Ahmed, I., M. H. Ismail, and M. S. Hassan, "A Resource Allocation based Mode Selection Scheme in D2D Communication", in Proc. of 3rd Int. Conf. on Communications, Signal Processing, and their Applications (ICCSPA’19), Sharjah, UAE, March, 2019.
Ahmedin, A., S. Rashad, M. Fayez, A. M. El-Raouf, M. Sayed, H. Fahmy, A. Sultan, and M. H. Ismail, "A simplification in integral frequency offset estimation based on joint detection algorithm for WiMAX 802.16e", Proc. of the 26th National Radio Science Conference, (NRSC 2009) , Cairo, Egypt, March, 2009. Abstract

Initial downlink synchronization for orthogonal frequency division multiple access (OFDMA) network access involves timing and frequency synchronization. The frequency offset is produced by oscillator drifts and time-varying Doppler shifts. In mobile WiMAX 802.16e carrier frequency offset (CFO) can be divided into: integral carrier frequency offset (ICFO) and fractional carrier frequency offset (FCFO). There are mainly three methods for CFO estimation: data-aided method, blind and semi-blind. This paper is based on the semi-blind method presented in ldquoJoint detection of integral carrier frequency offset and preamble index in OFDMA WiMAX downlink synchronizationrdquo, IEEE, 2007, see [2]. We simplify the algorithm presented in that paper by (a) using an adder-subtractor instead of using squares to estimate power and (b) by using a XNOR instead of complex multiplier; thereby reducing hardware gates by a factor of 676. Simulation results show only a slight degradation in performance with a considerable reduction in complexity.

Alaa, A. M., M. H. Ismail, and H. Tawfik, "Random Aerial Beamforming for Underlay Cognitive Radio with Exposed Secondary Users", IEEE Transactions on Vehicular Technology, vol. 65, issue 7, pp. 5364-5383, 2016. [Download]
Alaa, A. M., M. H. Ismail, and H. Tawfik, "Opportunistic Spectrum Sharing using Dumb Basis Patterns: The Line-of-Sight Interference Scenario", in Proc. 2015 International Conference on Computing, Networking and Communications (ICNC 2015), Anaheim, CA, February 2015.
Alaa, A. M., and M. H. Ismail, "Achievable Degrees-of-Freedom of the K-user SISO Interference Channel with Blind Interference Alignment using Staggered Antenna Switching", IEEE Transactions on Vehicular Technology, vol. 66, issue 3, pp. 2825 – 2829, 2017.
Alaa, A. M., M. H. Ismail, and H. Tawfik, "Spectrum Sensing Via Reconfigurable Antennas: Is Cooperation of Secondary Users Indispensable?", in Proc. IEEE Wireless Communications and Networking Conference (WCNC) 2014, Istanbul, Turkey, April 2014.
Alaa, A. M., M. H. Ismail, and H. Tawfik, "Spectrum Sensing Via Reconfigurable Antennas: Fundamental Limits and Potential Gains", Telecommunication Systems, vol. 62, issue 3, pp. 581-602, 2016.
Alaa, A. M., M. H. Ismail, and H. Tawfik, "Opportunistic Beamforming using Dumb Basis Patterns in Cognitive Multiple Access Channels", IEEE Transactions on Vehicular Technology, vol. 67, issue 2, pp. 1417-1427, 2018.
Alhennawi, H. R., M. M. H. ElAyadi, M. H. Ismail, and H. - A. M. Mourad, "Closed-form Exact and Asymptotic Expressions for the Symbol Error Rate and Channel Capacity of the H-function Fading Channel", IEEE Transactions on Vehicular Technology, vol. 65, issue 4, pp. 1957 - 1974, 2016. [Download]
Alhennawi, H. R., M. H. Ismail, and H. - A. M. Mourad, "Performance evaluation of energy detection over extended generalized-K (EGK) composite fading channels", Electronics Letters, vol. 50, issue 22, pp. 1643-1645, 2014.
Amin, B. S., A. S. Ibrahim, M. H. Ismail, and H. - A. M. Mourad, "Precoding and Power Allocation Algorithms for Device-to-Device Communication in Massive MIMO Networks", Wireless Networks, vol. 24, issue 3, pp. 925–942, 2018.
Amin, B. S., Y. R. Ramadan, A. S. Ibrahim, and M. H. Ismail, "Power Allocation for Device-to-Device Communication Underlaying Massive MIMO Multicasting Networks", Proc. of IEEE Wireless Communications and Networking Conference (WCNC) 2015, New Orleans, LA, March 2015.
Aseeri, F., M. S. Hassan, and M. H. Ismail, "Channel Access Mechanisms for Video Streaming over LTE-Unlicensed", in Proc. of 2018 Wireless Telecommunications Symposium (WTS), Phoenix, AZ, 2018.