Publications

Conferences Papers
  1. U.K. Dey, R. Akl, R. Chataut, M. Robaei, “ Modified PHY Layer for High Performance V2X Communication using 5G NR,” IEEE UEMCON 11th IEEE Annual Ubiquitous Computing, Electronics and Mobile Communication Conference, October 2020, paper no. 1570681534, 6 pgs.

  2. R. Chataut, R. Akl, “ Efficient and Low-Complexity Iterative Detectors for 5G Massive MIMO Systems,” IEEE DCOSS 2020 International Conference on Distributed Computing in Sensor Systems, May 2020, pp. 442-449, 8 pgs.

  3. R. Chataut, R. Akl, “ An Efficient and Fair Scheduling for Downlink 5G Massive MIMI Systems,” IEEE Texas Symposium on Wireless and Microwave Circuits and Systems, June 2020, paper no. TSWMCS2020-39, 6 pgs.

  4. U.K. Dey, R. Akl, R. Chataut, “ High Throughput Vehicular Communication Using Spatial Multiplexing MIMO,” IEEE CCWC 2020 The 10th Annual Computing and Communication Workshop and Conference, January 2020, paper no. 1570613408, 6 pgs.

  5. R. Chataut, R. Akl, M. Robaei, “ Accelerated and Preconditioned Refinement of Gauss-Seidel Method for Uplink Signal Detection in 5G Massive MIMO Systems,” IEEE CCWC 2020 The 10th Annual Computing and Communication Workshop and Conference, January 2020, paper no. 1570605343, 7 pgs.

  6. M. Robaei, R. Akl, “ Examining Spatial Consistency for Millimeter-Wave Massive MIMO Channel Estimation in 5G-NR,” IEEE ICCE 2020 The 38th International Conference on Consumer Electronics, January 2020, paper no. 1570596880, 6 pages.

  7. R. Chataut, R. Akl, “ Channel Gain Based User Scheduling for 5G Massive MIMO Systems,” IEEE HONET-ICT 2019 The 16th International Conference on Smart Cities: Improving Quality of Life Using ICT & IoT and AI, October 2019, paper no. 1570565594, 5 pgs.

  8. M. Robaei, R. Akl, “ Time-Variant Broadband mmWave Channel Estimation Based on Compressed Sensing,” IEEE UEMCON 2019 The 10th Annual Ubiquitous Computing, Electronics & Mobile Communication Conference, October 2019, paper no. 1570577430, 7 pages.

  9. R. Chataut, R. Akl, U. Dey, “ Least Square Regressor Selection Based Detection for Uplink 5G Massive MIMO Systems,” IEEE WAMICON 2019 The 20th Annual IEEE Wireless and Microwave Technology Conference, April 2019, paper no. 1570524727, 6 pgs.

  10. R. Chataut, R. Akl, “ Huber Fitting Based ADMM Detection for Uplink 5G Massive MIMO Systems,” IEEE UEMCON 2018 The 9th Annual Ubiquitous Computing, Electronics & Mobile Communications Conference, November 2018, paper no. 1570492416, 5 pgs.

  11. R. Chataut, R. Akl, “ Efficient and Low Complex Uplink Detection for 5G Massive MIMO Systems,” IEEE WAMICON 2018 The 19th Annual Wireless and Microwave Technology Conference, April 2018, paper no. 1570431593, 6 pgs.

  12. R. Chataut, R. Akl, “ Optimal Pilot Reuse Factor Based on User Environments in 5G Massive MIMO,” IEEE CCWC 2018 The 8th Annual Computing and Communication Workshop Conference, Januart 2018, paper no. 1570413394, 6 pgs.

  13. S. Alotaibi, R. Akl, “ Radio Resource Management in LTE Femtocell Networks,” IEEE NCA ’17 International Symposium on Network Computing and Applications, November 2017, paper no. 117, 5 pgs.

  14. U. Sawant, R. Akl, “ Subcarrier Allocation in LTE Network Deployment with Mobility,” IEEE UEMCOM 2017 The 8th Annual Ubiquitous Computing, Electronics and Mobile Communication Conference, October 2017, paper no. 1570349184, 8 pgs.

  15. S. Alotaibi, R. Akl, “ Packet Scheduling Bandwidth Type-Based Mechanism for LTE,” IEEE UEMCOM 2017 The 8th Annual Ubiquitous Computing, Electronics and Mobile Communication Conference, October 2017, paper no. 1570394639, 6 pgs.

  16. S. Alotaibi, R. Akl, “ Dynamic Fractional Frequency Reuse (FFR) Scheme for Two-Tier Network in LTE,” IEEE UEMCOM 2017 The 8th Annual Ubiquitous Computing, Electronics and Mobile Communication Conference, October 2017, paper no. 1570394969, 6 pgs.

  17. U. Sawant, R. Akl, “ Evaluation of Adaptive and Non Adaptive LTE Fractional Frequency Reuse Mechanisms,” IEEE WOCC 2017 The 26th Annual Wireless and Optical Communications Conference, April 2017, paper no. 1570341174, 6 pgs.

  18. S. Alotaibi, R. Akl, “ Range-Based Scheme for Adjusting Transmission Power for Femtocells in Co-Channel Deployment,” IEEE WTS 2017 The 16th Annual Wireless Telecommunications Symposium, April 2017, paper no. 1570334744, 4 pgs.

  19. U. Sawant, R. Akl, “ A Novel Metric to Study the Performance of Sectorized Fractional Frequency Reuse Techniques in LTE,” IEEE WTS 2017 The 16th Annual Wireless Telecommunications Symposium, April 2017, paper no. 1570338498, 7 pgs.

  20. S. Alotaibi, R. Akl, “ Dynamic Frequency Partitioning Scheme for LTE HetNet Networks Using Fractional Frequency Reuse,” IEEE WCNC ’17 Wireless Communications and Networking Conference, March 2017, paper no. 1570332420, 5 pgs., demo and poster.

  21. U. Sawant, R. Akl, “ Performance Evaluation of Network Productivity for LTE Heterogeneous Networks with Reward-Penalty Weights Assessment,” IEEE CCWC 2017 The 7th Annual Computing and Communication Workshop Conference, January 2017, paper no. 1570328396, 6 pgs.

  22. S. Alotaibi, R. Akl, “ Self-Adjustment Downlink Transmission Power for Femtocells in Co-Channel Deployment in Hetergeneous Networks,” IEEE CCWC 2017 The 7th Annual Computing and Communication Workshop Conference, January 2017, paper no. 1570326815, 6 pgs.

  23. U. Sawant, R. Akl, “ Performance Evaluation of Sectorized Fractional Frequency Reuse Techniques Using Novel Metric,” IEEE ISCC 2016 The Twenty-First IEEE Symposium on Computers and Communications, June 2016, paper no. 1570275270, 7 pgs.

  24. R. Tidwell, S. Akumalla, S. Karlaputi, R. Akl, K. Kavi, and D. Struble, “Evaluating the Feasibility of EMG and Bend Sensors for Classifying Hand Gestures,” 1st International Conference on Multimedia and Human Computer Interaction, July 2013, paper no. 63, 8 pgs.

  25. R. Akl, K. Pasupathy, and M. Haidar, “Anchor Nodes Placement for Effective Passive Localization,” 2011 IEEE International Conference on Selected Topics in Mobile and Wireless Networks (iCOST), October 2011, paper no. 1569490799, pp. 127 - 132.

  26. R. Akl, P. Kadiyala, and M. Haidar, “Non-Uniform Grid-Based Routing in Sensor Networks,” 9th IEEE Malaysia International Conference on  Communications, December 2009, paper no. 1569243649, pp. 536 - 540.

  27. M. Haidar, M. Al-Rizzo, Y. Chan, R. Akl, M. Bouharras, “Throughput Validation of an Advanced Channel Assignment Algorithm in IEEE 802.11 WLAN,” IEEE 2009 International Conference on Communication Software and Networks, February 2009, paper no. P385, pp. 801 - 806.

  28. R. Akl and  D. Keathly, “Robocamp: Encouraging Young Women to Embrace STEM,” 4th Annual TETC Best Practices Conference, February 2009, 13 pgs.

  29. M. Haidar, R. Ghimire, M. Al-Rizzo, R. Akl, Y. Chan, “Channel Assignment in an IEEE 802.11 WLAN Based on Signal-to-interference Ratio,” IEEE Canadian Conference on Electrical and Computer Engineering: Communications and Networking, May 2008, paper no. 1569092894, pp. 1169 - 1174.

  30. H. Al-Rizzo, M. Haidar, R. Akl, and Y. Chan, “Enhanced Channel Assignment and Load Distribution in IEEE 802.11 WLANs,” 2007 IEEE International Conference on Signal Processing and Communication, November 2007, paper no. 1569042132, pp. 768 - 771.

  31. R. Akl and Y. Saravanos, Hybrid Energy-Aware Synchronization Algorithm in Wireless Sensor Networks,” 18th Annual IEEE International Symposium on Personal, Indoor and Mobile Radio Communications, September 2007, paper no 692, 5 pgs.

  32. M. Haidar, R. Akl, and H. Al-Rizzo, Channel Assignment and Load Distribution in a Power-Managed WLAN,” 18th Annual IEEE International Symposium on Personal, Indoor and Mobile Radio Communications, September 2007, paper no. 463, 5 pgs.

  33. D. Keathly and R. Akl, Attracting and Retaining Women in Computer Science and Engineering: Evaluating the Results,” Proceedings of American Society for Engineering Education: ASEE Annual Conference, June 2007, paper no. AC 2007-1229, 10 pgs.

  34. M. Haidar, R. Akl, H. Al-Rizzo, Y. Chan, R. Adada, Optimal Load Distribution in Large Scale WLAN Networks Utilizing a Power Management Algorithm,” Proceedings of IEEE Sarnoff Symposium, May 2007, 5 pgs.

  35. R. Dantu, P. Kolan, R. Akl, and K. Loper, Classification of Attributes and Behavior in Risk Management Using Bayesian Networks,” Proceedings of IEEE Intelligence and Security Informatics Conference, May 2007, pp. 71-74. (76 accepted)

  36. R. Akl and A. Arepally, Dynamic Channel Assignment in IEEE 802.11 Networks,” Proceedings of IEEE Portable 2007: International Conference on Portable Information Devices, March 2007, pp 309-313. (65 accepted)

  37. R. Akl and U. Sawant, Grid-based Coordinated Routing in Wireless Sensor Networks,” Proceedings of IEEE CCNC 2007: Consumer Communications and Networking Conference, January 2007, pp. 860-864. (acceptance ratio 33%, 540 submitted and 181 accepted)

  38. R. Akl and A. Arepally ,  Simulation of Throughput in UMTS Networks with Different Spreading Factors,” Proceedings of IEEE VTC Fall 2006: Vehicular Technology Conference, September 2006, pp. 1-5. (acceptance ratio 36%, 1126 submitted and 409 accepted)

  39. A. Alhabsi, H. Al-Rizzo, and R. Akl, Parity Assisted Decision Making for QAM Modulation,” Proceedings of International Conference on Mobile Computing and Wireless Communications, September 2006, paper no. 1568988776, 5 pgs.

  40. R. Akl and R. GarlickRetention and Recruitment of Women in Computer Engineering,” Proceedings of ICEE 2006: International Conference on Engineering Education, July 2006, paper no. 3318, 5 pgs.

  41. R. Garlick and R. Akl,  Intra-Class Competitive Assignments in CS2: A One-Year Study,” Proceedings of ICEE 2006: International Conference on Engineering Education, July 2006, paper no. 3325, 5 pgs.

  42. R. Akl, D. Tummala, and X. Li ,  Indoor Propagation Modeling at 2.4 GHz for IEEE 802.11 Networks,” Proceedings of WNET 2006: Wireless Networks and Emerging Technologies, July 2006, paper no. 510-014, 6 pgs.

  43. P. Chen,  K. Kavi, and R. Akl, Performance Enhancement by Eliminating Redundant Function Execution,” Proceedings of IEEE: 39th Annual Simulation Symposium, April 2006, pp. 143-150. (acceptance ratio 41%, 89 submitted and 37 accepted)

  44. R. Akl and S. Nguyen, “Capacity Allocation in Multi-cell UMTS Networks for Different Spreading Factors with Perfect and Imperfect Power Control,” Proceedings of IEEE CCNC 2006: Consumer Communications and Networking Conference, January 2006, vol. 2, pp. 928-932. (acceptance ratio 23%, 600 submitted and 140 accepted)

  45. W. Li, K. Kavi, and R. Akl, An Efficient Non-Preemptive Real-Time Scheduling,” Proceedings of 18th International Conference on Parallel and Distributed Computing Systems, Las Vegas, NV, September 2005, pp. 154-160. (acceptance ratio 27%, 205 submitted and 57 accepted)

  46. S. Nguyen and R. Akl, “Approximating User Distributions in WCDMA Networks Using 2-D Gaussian,” Proceedings of CCCT 05: International Conference on Computing, Communications, and Control Technologies, July 2005.

  47. R. Akl and S. Park, “Optimal Access Point Selection and Traffic Allocation in IEEE 802.11 Networks,” Proceedings of 9th World Multiconference on Systemics, Cybernetics and Informatics (WMSCI 2005): Communication and Network Systems, Technologies and Applications, July 2005, vol. 8, pp. 75-79. (acceptance ratio 59%, 1539 submitted and 913 accepted)

  48. R. Akl, M. Naraghi-Pour, and M. Hegde, “Throughput Optimization in Multi-Cell CDMA Networks,” Proceedings of IEEE WCNC: Wireless Communications, and Networking Conference, March 2005, vol. 3, pp. 1292-1297. (acceptance ratio 40%, 1000 submitted and 400 accepted)

  49. R. Akl, “Subscriber Maximization in CDMA Cellular Networks,” Proceedings of CCCT 04: International Conference on Computing, Communications, and Control Technologies, August 2004, vol. 3, pp. 234-239. (acceptance ratio 55%,  1000 submitted and 550 accepted)

  50. R. Akl and A. Parvez, “Global versus Local Call Admission Control in CDMA Cellular Networks,” Proceedings of CITSA 04: Communications, Information and Control Systems, Technologies and Applications, July 2004, vol. 2, pp. 283-288. (acceptance ratio 47%, 550 submitted and 260 accepted)

  51. R. Akl and A. Parvez, “Impact of Interference Model on Capacity in CDMA Cellular Networks,” Proceedings of SCI 04: Communication and Network Systems, Technologies and Applications, July 2004, vol. 3, pp. 404-408. Selected as best paper of those presented in the session: Tele-Communication Systems, Technologies and Application II. (acceptance ratio 53%, 2250 submitted and 1200 accepted)

  52. R.G. Akl, M.V. Hegde, M. Naraghi-Pour, and P.S. Min, “Call Admission Control Scheme for Arbitrary Traffic Distribution in CDMA Cellular Systems,” Proceedings of IEEE WCNC: Wireless Communications and Networking Conference, September 2000, vol. 1, pp. 465-470.

  53. R.G. Akl, M.V. Hegde, M. Naraghi-Pour, and P.S. Min, “Cell Placement in a CDMA Network,” Proceedings of IEEE WCNC: Wireless Communications and Networking Conference, September 1999, vol. 2, pp. 903-907.

  54. R.G. Akl, M.V. Hegde, P.S. Min, “Effects of Call Arrival Rate and Mobility on Network Throughput in Multi-Cell CDMA,” Proceedings of IEEE ICC: International Conference on Communications, June 1999, vol. 3, pp. 1763-1767.

  55. R.G. Akl, M.V. Hegde, M. Naraghi-Pour, and P.S. Min, “Flexible Allocation of Capacity in Multi-Cell CDMA Networks,” Proceedings of IEEE VTC: Vehicular Technology Conference, May 1999, vol. 2, pp. 1643-1647.

Journal Papers
 
  1. R. Chataut, R. Akl, “ Massive MIMO Systems for 5G and Beyond Networks – Overview, Recent Trends, Challenges, and Future Research Direction,” Sensors 2020, 20(1), 2753, May 2020

  2. R. Chataut, R. Akl, “ Massive MIMO for 5G,” Encyclopedia 2020, doi:10.32545, 2020, (ISSN 2309-3366).

  3. S. Alotaibi, R. Akl Range-Based Scheme for Adjusting Transmission Power of Femtocell in Co-Channel Deployment,” International Journal of Interdisciplinary Telecommunications and Networking, IJITN Vol. 10, No. 4, pgs. 14-24, 2018.

  4. U. Sawant, R. Akl Adaptive and Non Adaptive LTE Fractional Frequency Reuse Mechanisms Mobility Performance,” Advances in Science, Technology and Engineering Systems Journal, ASTES Vol. 3, No. 3, 02-11, 11 pgs., 2018.

  5. M. Haidar, H.M. Al-Rizzo, R. Akl, and Z. Elbazzal, “The Effect of an Enhanced Channel Assignment Algorithm in an IEEE 802.11 WLAN,” World Scientific and Engineering Academy and Society Transactions on Communications, WSEAS, Vol. 8, Issue 12, December 2009.

  6. R. Akl, P. Kadiyala, and M. Haidar, “Non-Uniform Grid-Based Coordinated Routing in Wireless Sensor Networks,” Journal of Sensors, article ID 491349, volume 2009, 11 pages.

  7. M. Haidar, M. Al-Rizzo, Y. Chan, R. Akl,  “User-Based Channel Assignment Algorithm in a Load-Balanced IEEE 802.11 WLAN,” International Journal of Interdisciplinary Telecommunications & Networking (IJITN), April-June 2009, 1(2), pp. 66-81.

  8. R. Akl, D. Keathly, and R. Garlick, “Strategies for Retention and Recruitment of Women and Minorities in Computer Science and Engineering,” iNEER Special Volume: Innovations 2007- World Innovations in Engineering Education and Research, 9 pgs, 2007.

  9. R. Garlick and R. Akl, “Motivating and Retaining CS2 Students with a Competitive Game Programming Project,” iNEER Special Volume: Innovations 2007- World Innovations in Engineering Education and Research, 9 pgs, 2007.

  10. R. Akl and S. Nguyen, “UMTS Capacity and Throughput Maximization for Different Spreading Factors,” Journal of Networks, July 2006, vol. 1,  issue 3, pp. 40-49. ISSN: 1796-2056

  11. W. Li, K. Kavi, and R. Akl,  A Non-preemptive Scheduling Algorithm for Soft Real-time Systems,” Journal of Computer and Electrical Engineering, vol. 32. ISSN: 0045-7906

  12. R. Akl, A. Parvez, and S. Nguyen, “Effects of Interference on Capacity in Multi-Cell CDMA Networks,” Journal of Systemics, Cybernetics and Informatics, 2006, vol. 3, no. 1, p825612. ISSN: 1690-4524

  13. R.G. Akl, M. Hegde, and M. Naraghi-Pour, “Mobility-based CAC Algorithm for Arbitrary Traffic Distribution in CDMA Cellular Systems,” IEEE Transactions on Vehicular Technology, March 2005, vol. 54, no. 2, pp. 639-651.

  14. R.G. Akl, M.V. Hegde, M. Naraghi-Pour, and P.S. Min, “Multi-Cell CDMA Network Design,” IEEE Transactions on Vehicular Technology, May 2001, vol. 50, no. 3, pp. 711-722.

Book Chapters
Technical Papers

  • J. Williams et al, “Flight Control Subsystem,” The Eagle Feather, Special Section: Undergraduate Research Initiative in Engineering, University of North Texas,  Vol. 7, 2010.

  • R.G. Akl, M.V. Hegde, A. Chandra, and P.S. Min, “CDMA Capacity Allocation and Planning,” Technical Document, Washington University, April 1998.

Presentations
  1. Bio-Com Project,” Net-Centric Software and Systems I/UCRC meeting, Denton TX, December 2011, (invited).

  2. Student Outreach Report: Robocamp,” College of Engineering Advisory Board Meeting, Denton TX, May 2011, (invited).

  3. Robocamp: Encouraging Young Women to Embrace STEM,” 4th Annual TETC Best Practices Conference, Austin TX, February 2009, (invited).

  4. Self-Configuring Wireless MEMS Network (demo),” Southern Methodist University, Dallas TX, January 2008, (invited).

  5. Energy-aware Routing and Hybrid Synchronization in Sensor Networks,” Southern Methodist University, Dallas TX, September 2007, (invited).

  6. Retention and Recruitment of Women in Computer Engineering,” ICEE 2006: International Conference on Engineering Education, Puerto Rico, July 2006, (refereed).

  7. Capacity Allocation in Multi-cell UMTS Networks for Different Spreading Factors with Perfect and Imperfect Power Control,” IEEE CCNC 2006: Consumer Communications and Networking Conference, Las Vegas, NV, January 2006, (refereed).

  8. Research, Teaching, and Outreach,” CSE Advisory Council Meeting, UNT Research Park, Denton, TX, December 2005, (invited).

  9. WiFi and WCDMA Network Design,” University of Arkansas, Little Rock, AR, April 2005, (invited).

  10. WiFi and WCDMA Network Design,” Southern Methodist University, Dallas, TX, March 2005, (invited).

  11. Current Research in Wireless at UNT,” Nortel Networks, Richardson, TX, October 2004, (invited).

  12. Subscriber Maximization in CDMA Cellular Networks,” International Conference on Computing, Communications, and Control Technologies, Austin, TX, August 2004, (refereed).

  13. Global versus Local Call Admission Control in CDMA Cellular Networks,” International Conference on Cybernetics and Information Technologies, Systems and Applications, Orlando, FL, July 2004, (refereed).

  14. Impact of Interference Model on Capacity in CDMA Cellular Networks,” 8th World Multi-Conference on Systemics, Cybernetics, and Informatics, Orlando, FL, July 2004, (refereed).

  15. CDMA Network Design,” IEEE Communications Society – New Orleans Chapter, New Orleans, LA, May 2002, (invited).

  16. Cell Design to Maximize Capacity in CDMA Networks,” Louisiana State University, Baton Rouge, LA, April 2002, (invited).

  17. Call Admission Control Scheme for Arbitrary Traffic Distribution in CDMA Cellular Systems,” IEEE Wireless Communications and Networking Conference, Chicago, IL, September 2000, (refereed).

  18. Cell Placement in a CDMA Network,” IEEE Wireless Communications and Networking Conference, September 1999, (refereed). 

  19. Effects of Call Arrival Rate and Mobility on Network Throughput in Multi-Cell CDMA,” IEEE International Conference on Communications, June 1999, (refereed). 

  20. Flexible Allocation of Capacity in Multi-Cell CDMA Networks,” IEEE Vehicular Technology Conference, May 1999, (refereed).

  21. CCAP: A Strategic Tool for Managing Capacity of CDMA Networks,” Teleware Co. Ltd., Seoul, South Korea, 1998, (invited).