Publications

Journals and Articles

1. Abubakr Alabbasi and Ahmed H. Zahran, "A Framework for Optimal Cost Media Streaming in Three-tier Wireless Networks," to appear in Springer Wireless Networks.

2. A. Anwar; K. Seddik; T. ElBatt; A. Zahran, "Effective Capacity of Delay Constrained Cognitive Radio Links Exploiting Primary Feedback," to appear in IEEE Transactions on Vehicular Technology. DOI: 10.1109/TVT.2015.2493040

3. Jason Quinlan, Ahmed H. Zahran, Cormac Sreenan, "ALD: Adaptive Layer Distribution for Scalable Video," Springer Multimedia systems, Oct 2015, Volume 21, Issue 5, pp 465-484.

4. P. Davern, N. Nashid, A. H. Zahran and C. J. Sreenan, “Client-Side Framework for Automated Evaluation of Mechanisms to Improve HTTP Performance,” Journal of Networks, Vol. 7, No. 11, Nov. 2012

5. P. Davern, N. Nashid, A. H. Zahran and C. J. Sreenan, “HTTPEP: a HTTP Performance Enhancing Proxy for Satellite Systems” the International Journal of Next Generation Computing (IJNGC) V.2(n.3), 2011.

6. A. H. Zahran and Cormac J. Sreenan, “Threshold-based Media Streaming Optimization for Heterogeneous Wireless Networks,” IEEE Trans. On Mobile Comp., Vol. 9, June, 2010, pp. 753-764. [Spot-light paper]

7. A. H. Zahran, B. Liang and A. Saleh, "Mobility Modeling and Performance Evaluation of Heterogeneous Wireless Networks," IEEE Trans. on Mobile Computing, vol.7, no.8, pp.1041-1056, Aug. 2008

8. A. H. Zahran and B. Liang, “A Generic Framework for Mobility Modeling and Performance Analysis in Next-generation Heterogeneous Wireless Networks,” IEEE Communications Magazine, vol. 45, no. 9, pp. 92 - 99, September 2007.

9. A. H. Zahran, B. Liang, and A. Saleh, “Signal threshold adaptation for vertical handoff in heterogeneous wireless networks,” ACM/Spring Mobile Networks and Applications (MONET), Special Issue on Soft Radio Enabled Heterogeneous Networks, vol. 11, no. 4, pp. 625-640, August 2006.

Conference publications

1. Ahmed H. Zahran and Cormac J Sreenan, “ARBITER: Adaptive Rate-Based InTElligent HTTP StReaming Algorithm,” in Proc. of the 22rd International Packet Video Workshop (PV 2016), Seattle, WA, USA, July 11-15, 2019 (to appear)

2. Ahmed H. Zahran , Jason J Quinlan , Darijo Raca , Cormac J Sreenan , Emir Halepovic , Rakesh K Sinha , Rittwik Jana , Vijay Gopalakrishnan, "OSCAR: An Optimized Stall-Cautious Adaptive Bitrate Streaming Algorithm For Mobile Networks," in Proc. of 8th Workshop on Mobile Video (MoVid 2016), May 10-13, 2016, Klagenfurt am Wörthersee, Austria

3. Mohamed K. Abdel-Aziz, Ahmed H. Zahran, Tamer ElBatt, "A Novel Framework For Scalable Video Streaming Over Multi-Channel Multi-Radio Wireless Mesh Networks," in Proc. of 8th Workshop on Mobile Video (MoVid 2016), May 10-13, 2016, Klagenfurt am Wörthersee, Austria

4. Jason J. Quinlan, Ahmed H. Zahran, Cormac J. Sreenan, “Datasets for AVC (H.264) and HEVC (H.265) for Evaluating Dynamic Adaptive Streaming over HTTP (DASH),” in Proc. of MMsys 2016 (dataset track), Klagenfurt am Wörthersee, Austria, May 10-13, 2016.

5. Moataz Youssef and Khaled Elsayed and Ahmed H. Zahran, "Contiki-AMAC-The Enhanced Adaptive Radio Duty Cycling Protocol: Proposal and Analysis," in Proc. of International Workshop on Scalable Internet of Things, (S-IoT'2016), Cairo, Egypt, Apr, 2016.

6. Ilias Tsompanidis, Ahmed H. Zahran and Cormac Sreenan, "A Utility-based Resource and Network Assignment Framework for Heterogeneous Mobile Networks,” in proc of IEEE Global Communications Conference, San Diego, California, USA, 6-10 Dec, 2015.

7. Yahia Shabara, and Ahmed H. Zahran and Tamer ElBatt, “Efficient Spectrum Access Strategies for Cognitive Networks with General Idle Time Statistics,” in Proc. IEEE International Conference on Communications, London, UK, 8-12 June, 2015.

8. Jason J. Quinlan, Ahmed H. Zahran, Cormac J. Sreenan and K. K. Ramakrishnan, "Delivery of Adaptive Bit Rate Video: Balancing Fairness, Efficiency and Quality," in the Proc. of 23^{rd}
IEEE LAN/MAN Workshop, Beijing, China, Apr 22-24 2015.

9. Ahmed Anwar, Karim G Seddik, Tamer ElBatt, Ahmed Zahran, "On the Effective Capacity of Delay Constrained Cognitive Radio Networks with Relaying Capability,” in Proc. of international workshop on Cognitive Radio for 5G Networks, Doha, Qatar, 2015.

10. Ahmed Mahmoud Salama, Ahmed H. Zahran and Tamer ElBatt, “Fractional Sequential Sensing for Energy Efficient Cooperative Cognitive Radio Networks,” in the Proc. of GlobalSIP 2014: Signal Processing for Cognitive Radios and Networks,  Atlanta, USA, Dec, 2014.

11. Ghada G. Rizk, Ahmed H. Zahran, Mahmoud H. Ismail, “AVIS: An Adaptive VIdeo Simulation Framework for Scalable Video,” in Proc. of the 8th International Conference on Next Generation Mobile Apps, Services and Technologies, Oxford, UK, 10-12 Sep, 2014.

12. Islam Samy and Ahmed H. Zahran and Tamer ElBatt, "Joint Relay Assignment and Adaptive Modulation for Energy-Efficient Cellular Networks," in Proc. IEEE 25th International Symposium on Personal, Indoor and Mobile Radio Communications - (PIMRC), Washington, DC, USA, Sep 2014.

13. Samar Ali, Ahmed H. Zahran, Mahmoud H. Ismail, “SVC-DASH-M: Scalable Video Coding Dynamic Adaptive Streaming Over HTTP Using Multiple Connections,” in the Proc. of the 21st International Conference on Telecommunications (ICT 2014), Lisbon, Portugal, May 2014.

14. Ilias Tsompanidis, Ahmed H. Zahran and Cormac Sreenan, "Mobile Network Traffic: a User Behaviour Model," in Proc. of 7th IFIP Wireless and Mobile Networking Conference (WMNC 2014), Portougal, May 2014.

15. Hisham Elhelw, Ahmed H. Zahran and Khaled Elsayed, “E^{2}
MAC: An Energy-Efficient MAC Protocol for Wireless Sensor Networks,” Proc. of THE 31st National Radio Science Conference, Cairo, Egypt, April 2014.

16. Mai ElSherief and Tamer ElBatt and Ahmed H. Zahran and Ahmed Helmy, "The Quest for User Similarity in Mobile Societies," in the Proc. of the 2nd International Workshop on Social and Community Intelligence, Budapest, Hungary, 2014. (Acceptance rate 17%)

17. Abubakr Alabbasi and Ahmed H. Zahran, "Media Streaming Cost Optimization for Heterogeneous Three-tier Wireless Networks," in Proc. of IEEE/IFIP Wireless Days 2014, Valencia, Spain, Nov 2013. (acceptance ratio 34%)

18. Mai ElSherief, Tamer ElBatt, Ahmed H. Zahran, and Ahmed Helmy, “O'BTW: an opportunistic, similarity-based mobile recommendation system,” In Proc. of the 11th annual international conference on Mobile systems, applications, and services (MobiSys '13). ACM, New York, NY, USA, 511-512.

19. Jason J. Quinlan, Ahmed H. Zahran, and Cormac J. Sreenan, “ALD: adaptive layer distribution for scalable video,” in Proc. of the 4th ACM Multimedia Systems Conference (MMSys '13), Oslo, Norway, Feb 27 - Mar 1, 2013.

20. Ayman T. Abdel-Hamid, Ahmed H. Zahran and Tamer ElBatt, "Improved Spectrum Mobility using Virtual Reservation in Collaborative Cognitive Radio Networks," in the Proc. of 18th IEEE Symposium on Computers and Communications (IEEE ISCC 2013), Split, Croatia, July 2013. (acceptance ratio 43%)

21. Ilias Tsompanidis, Ahmed H. Zahran and Cormac Sreenan “SuperBS: A Methodology for Resource Management in Heterogeneous Wireless Networks,” In Proc. of the 9th IEEE International Wireless Communications and Mobile Computing Conference (IWCMC 2013), July 1-5, 2013, in Cagliari, Sardinia, Italy

22. Ahmed Anwar and Karim G Seddik and Tamer ElBatt and Ahmed H. Zahran, "Effective Capacity of Delay Constrained Cognitive Radio Links Exploiting Primary Feedback," in the Proc. of 11th International Symposium on Modeling and Optimization in Mobile, Ad Hoc and Wireless Networks (WiOpt 2013)

23. J. Quinlan, Ahmed H. Zahran, C.J. Sreenan “ALD: Adaptive Layer Distribution for Scalable Video,” in Proc. of ACM MMSys, February 27 - March 1, 2013 Oslo, Norway. (acceptance ration 23.5%)

24. Ilias Tsompanidis, Ahmed H. Zahran and Cormac Sreenan “Towards utility-based resource management in heterogeneous wireless networks,” In Proc. of the seventh ACM international workshop on Mobility in the evolving internet architecture (MobiArch '12). ACM, New York, NY, USA, 23-28.

25. Jason Quinlan, Ahmed H. Zahran, Cormac Sreenan, "SDC: Scalable Description Coding for Adaptive Streaming Media," in the Proc. the 19th International Packet Video Workshop, May 10-11, 2012, Munich, Germany

26. A. H. Zahran, “Extended Synchronization Signals for Eliminating PCI Confusion in Heterogeneous LTE” in Proc. 2012 IEEE Wireless Communications and Networking Conference (WCNC 2012), Apr 1-4, Paris, France.

27. P. Davern, N. Nashid, A. H. Zahran and C. J. Sreenan, “Towards an Automated Client-Side Framework for Evaluating HTTP/TCP Performance,” in the Proc. International Symposium on Performance Evaluation of Computer and Telecommunication Systems, June 27-30, 2011, The Hague, Netherlands.

28. A. H. Zahran and C. J. Sreenan, “Extended Handover Keying and Modified IEEE 802.21 Resource Query Approach for Improving Vertical Handoff Performance,” in the Proc. of Fourth IFIP International Conference on New Technologies, Mobility and Security (NTMS) 2011. (31% acceptance rate)

29. P. Davern, N. Nashid, A. H. Zahran and C. J. Sreenan, “HTTP acceleration over high latency links,” in the Proc. of Fourth IFIP International Conference on New Technologies, Mobility and Security (NTMS). 2011. (31% acceptance rate) [Selected for a Journal Extension]

30. Liping Chen, Ahmed H. Zahran, and Cormac J. Sreenan, “IEEE 802.21-enabled ALIVE-HO for Media Streaming in Heterogeneous Wireless Networks,” in the Proc. of 17th IEEE LAN/MAN Workshop, New Jersey, USA, May 5-7 2010.

31. A. H. Zahran and Cormac J. Sreenan, “PGMS: Pseudo-optimal Greedy Media Streaming Algorithm for Heterogeneous Wireless Networks,” in Proc. of the 4th IEEE conf. on Wireless and Mobile Computing, Networking, and Communications, Avignon, France, Oct 12-15, 2008. (24% acceptance rate) [Selected for a Journal Extension]

32. A. H. Zahran and Cormac J. Sreenan, “Cost Efficient Media Streaming Algorithms for Rate-dependent Pricing Strategies in Heterogeneous Wireless Networks,” in Proc. of the First IEEE International Workshop on Future Multimedia Networking,  Cardiff, Wales, United Kingdom, Sep 16-19, 2008. (22% acceptance rate)

33. A. H. Zahran and B. Liang, “Call Admission Control Analysis in Heterogeneous Wireless Networks,” 3rd International Computer Engineering Conference Smart Applications for the Information Society, ICENCO 07, Cairo, Egypt, 26-27 December 2007. (30.0% acceptance rate)

34. A. H. Zahran, B. Liang and A. Saleh, “Impact of Technology Overlap in Next-Generation Wireless Heterogeneous Systems,” IFIP Networking 2007, Atlanta, Georgia, USA, May 14-18. (22.5% acceptance rate)

35. A. H. Zahran, B. Liang and A. Saleh, “Modeling and Performance Analysis for Beyond 3G Integrated Wireless Networks,” in  Proc. of IEEE International Conference on Communications (ICC), Istanbul, Turkey, June 2006.(39.0% acceptance rate, Student Travel Grant)

36. A. H. Zahran, B. Liang and A. Saleh, "Beyond 3G Wireless Network Design for Optimal Resource Utilization," in Proc. of  the Twenty-Third Biennial Symposium on Communications, Kingston, Ontario, Canada, May 30 - June 1, 2006.

37. A. H. Zahran, B. Liang, "Mobility Modeling for Two-Tier Integrated Wireless Multimedia Networks", in Proc. of IEEE International Workshop on Multimedia Technologies over Wireless Networks, Irvine, California, USA, December 12-14, 2005.

38. A. H. Zahran and B. Liang, “Performance evaluation framework for vertical handoff algorithms in heterogeneous networks,” in Proc. of the IEEE International Conference on Communications (ICC), Seoul, Korea, May 2005. (35.0% acceptance rate)

39. B. Liang, A. H. Zahran, and A. Saleh, "Application Signal Threshold Adaptation for Vertical Handoff in Heterogeneous Wireless  Networks," IFIP/Networking 2005, Waterloo, Canada, May 2-6 2005. (24.7% acceptance rate; Best Paper Award)