Texas Christian University

NextGen AI Research Lab


2025


  • B. Wei, R. Chataut, and L. Deng, "Project Pulse: Enhancing Peer Evaluation and Team Accountability in Senior Design Projects," Thirty Seventh International Conference on Software Engineering and Knowledge Engineering,(SEKE), Nov 2025.

  • R. Dahal, G. Murray, R. Chataut, M. Hefeida, A. Srivastava, P. Gyawali, "AutoTA: A Dynamic Intent-Based Virtual Teaching Assistant for Students Using Open Source LLMs," IEEE Access, May 2025.

  • Y. Usman, C. Muriuki-Mureithi, D. Vitashkevich, R. Akl, R. Chataut, "Deep Reinforcement Learning for Adaptive Beamforming in 6G Massive MIMO Systems Using DeepMIMO," The 2025 IEEE World AI IoT Congress (AIIoT). Won Best Presentation Award.

  • Y. Usman, B. Girardi, R. Akl, P.K. Gyawali, R. Chataut, "PhishProof: AI-Driven Phishing Detection with Optimized Feature Selection for Scalable Security," The 2025 IEEE World AI IoT Congress (AIIoT). Won Best Presentation Award.

  • Y. Usman, D. Vitashkevich, C. Muriuki-Mureithi, R. Akl, R. Chataut, "AI-Enhanced Deep Neural Network Architecture for Accurate Channel Estimation in 6G Networks," The 2025 IEEE World AI IoT Congress (AIIoT).

2024


  • R. Chataut, A. Upadhyay, Y. Usman, P.K. Gyawali, "Spam No More: A Cross-Model Analysis of Machine Learning Techniques and Large Language Model Efficacies," The 2024 8th Cyber Security in Networking Conference (IEEE CSNet 2024).

  • M. Nankya, A. Mugisa, Y. Usman, A. Upadhyay, and R. Chataut, "Unveiling Cyber Threats: Security and Privacy in E-Health Systems: A Review of AI and Machine Learning Techniques," IEEE Access, Aug 2024.

  • Y. Usman, S. Gyawali, P.K. Gyawali, R. Chataut, "The Dark Side of AI: Large Language Models as Tools for Cyber Attacks on Vehicle Systems," The 15th Annual Ubiquitous Computing, Electronics & Mobile Communications Conference (IEEE UEMCON 2024). Won Best Presentation Award.

  • R. Chataut, Y. Usman, A.R.C Mohammad, S. Gyawali, P.K. Gyawali, "Enhancing Phishing Detection with AI: A Novel Dataset and Comprehensive Analysis using Machine Learning and Large Language Models," The 15th Annual Ubiquitous Computing, Electronics & Mobile Communications Conference (IEEE UEMCON 2024). Won Best Presentation Award.

  • R. Chataut, F. Scholl, and Y. Usman, "Unveiling Cyber Threats: A Comprehensive Analysis of Connecticut Data Breaches," ASEE NE Conference, 2024.

  • R. Chataut, R. Akl, "An Adaptive User Scheduling Algorithm for 6G Massive MIMO Systems," IEEE Transactions on Advanced Communications Technology, 2024. Invited paper.

  • R. Chataut, P.K. Gyawali, Y. Usman, "Can AI Keep You Safe? A Study of Large Language Models for Phishing Detection," Jan 2024 12th Annual Computing and Communication Workshop Conference (IEEE CCWC 2024).

  • R. Chataut, M. Nyanka, and R. Akl, "6G Networks and AI Revolution - Exploring Technologies, Applications, and Emerging Challenges," Sensors, Special Issue on 5G and Beyond Networks and Technologies, 2024.

2023


  • M. Nankya, R. Chataut, R. Akl, "Securing Industrial Control Systems: Components, Cyber Threats, and Machine Learning-Driven Defense Strategies," Sensors, Special Issue on Cyber-Physical Systems and Industry 4.0, 2023, 8840. Invited Journal Paper.

  • R. Chataut, A. Phoummalayvane, and R. Akl, "Unleashing the Power of IoT: A Comprehensive Review of IoT Applications, Advancements, and Future Prospects in Healthcare, Agriculture, Smart Homes, Smart Cities, and Industry 4.0," Sensors, 2023, 23, 7194.

  • M. Zostant and R. Chataut, "Privacy in Computer Ethics: Navigating the Digital Age," Computer Science and Information Technologies, vol. 4, no. 2, pp. 183-190, 2023.

  • R. Chataut, R. Akl, and U.K. Dey, "An Adaptive User Scheduling Algorithm for 6G Massive MIMO Systems," Feb 2023, 25th IEEE International Conference on Advanced Communications Technology (IEEE ICACT 2023), PyeongChang, Korea. Won Best Paper Award.

2022


  • U.K. Dey, R. Akl, R. Chataut, "Performance Improvement in Cellular V2X (CV2X) by Using Massive MIMO Jacobi Detector," IEEE 19th International Conference on Smart Cities: Improving Quality of Life Using ICT & IoT and AI (IEEE HONET 2022), Dec 2022, Kennesaw, GA.

  • R. Chataut, R. Akl, and U.K. Dey, "Massive MIMO Uplink Signal Detector for 5G and Beyond Networks," The 13th IEEE Texas Symposium on Wireless and Microwave Circuits and Systems (IEEE TSWMCS 2022), Apr 2022, Waco, Texas, USA.

  • U.K. Dey, R. Akl, R. Chataut, "Performance Improvement in Cellular V2X (CV2X) by Using Low Density Parity Check (LDPC) Code," The 13th Annual Ubiquitous Computing, Electronics & Mobile Communications Conference (IEEE UEMCON 2022), Oct 2022.

  • U.K. Dey, R. Akl, and R. Chataut, "Throughput Improvement in Vehicular Communication by Using Low-Density Parity Check (LDPC) Code," 10th Annual Computing and Communication Workshop Conference (IEEE CCWC 2022), Jan 2022.

2021


  • R. Chataut, R. Akl, and U.K. Dey, "An Efficient and Fast-Convergent Detector for 5G and Beyond Massive MIMO Systems," The 12th Annual Ubiquitous Computing, Electronics & Mobile Communications Conference (IEEE UEMCON 2021), Dec 2021.

  • U.K. Dey, R. Akl, R. Chataut, "Selective MIMO in Vehicular Communication for Reliable Safety Services and High-Speed Non-Safety Services," The 12th Annual Ubiquitous Computing, Electronics & Mobile Communications Conference (IEEE UEMCON 2021), Dec 2021.

  • M. Robaei, R. Akl, R. Chataut, and U.K. Dey, "Adaptive Millimeter-Wave Channel Estimation and Tracking," The 23rd International Conference on Advanced Communications Technology (IEEE ICACT 2021), Feb 2022.

2020


  • R. Chataut, R. Akl, U.K. Dey, and M. Robaei, "SSOR Preconditioned Gauss-Seidel Detection and its Hardware Architecture for 5G and Beyond Massive MIMO Networks," MDPI Electronics, Special Issue on MIMO for Next Generation Wireless Systems, 2020.

  • R. Chataut, and R. Akl, "Massive MIMO Systems for 5G," MDPI, June 2020.

  • R. Chataut, and R. Akl, "Massive MIMO Systems for 5G and Beyond Networks: Overview, Recent Trends, Challenges, and Future Research Direction," Sensors, Special Issue on 5G and Beyond Cellular Networks for Intelligent Sensing Systems, 2020.

  • R. Chataut, and R. Akl, "Efficient and Low-Complexity Iterative Detectors for 5G Massive MIMO Systems," First IEEE International Workshop on Distributed and Intelligent Computing at the Edge (IEEE DICE 2020), May 2020.

  • R. Chataut, and R. Akl, "An Efficient and Fair Scheduling for Downlink 5G Massive MIMO Systems," 11th IEEE Texas Symposium on Wireless and Microwave Circuits and Systems (IEEE TSWMCS 2020), May 2020, Waco, Texas, USA.

  • U.K. Dey, R. Akl, R. Chataut, and M. Robaei, "Modified PHY Layer for High-Performance V2X Communication Using 5G NR," 11th IEEE Annual Ubiquitous Computing, Electronics and Mobile Communication Conference (IEEE UEMCON 2020), Oct 2020, New York, NY.

  • R. Chataut, R. Akl, and M. Robaei, "Accelerated and Preconditioned Refinement of Gauss-Seidel Method for Uplink Signal Detection in 5G Massive MIMO Systems," IEEE 8th Annual Computing and Communication Workshop and Conference (IEEE CCWC 2020), Jan 2020, Las Vegas, NV.

  • U.K. Dey, R. Akl, R. Chataut, "High Throughput Vehicular Communication Using Spatial Multiplexing MIMO," IEEE 8th Annual Computing and Communication Workshop and Conference (IEEE CCWC 2020), Jan 2020, Las Vegas, NV.

2019


  • R. Chataut, and R. Akl, "Channel Gain Based User Scheduling for 5G Massive MIMO Systems," IEEE 16th International Conference on Smart Cities: Improving Quality of Life Using ICT & IoT and AI (IEEE HONET 2019), Oct 2019, Charlotte, NC.

  • R. Chataut, R. Akl, and U.K. Dey, "Least Square Regressor Selection Based Detection for Uplink 5G Massive MIMO Systems," IEEE 20th Wireless and Microwave Technology Conference (IEEE WAMICON 2019), March 2019, Cocoa Beach, FL, USA, pp. 1-6.

2018


  • R. Chataut, and R. Akl, "Huber Fitting Based ADMM Detection for Uplink 5G Massive MIMO Systems," 9th IEEE Annual Ubiquitous Computing, Electronics and Mobile Communication Conference (IEEE UEMCON 2018), Nov 2018, New York, NY.

  • R. Chataut, and R. Akl, "Efficient and Low Complex Uplink Detection for 5G Massive MIMO Systems," IEEE 19th Wireless and Microwave Technology Conference (IEEE WAMICON 2018), Apr 2018, Sand Key, FL, pp. 1-6.

  • R. Chataut, and R. Akl, "Optimal Pilot Reuse Factor Based on User Environment in 5G Massive MIMO," IEEE 8th Annual Computing and Communication Workshop and Conference (IEEE CCWC 2018), Jan 2018, Las Vegas, NV, pp. 845-851.