Hossain ME, Abu-Khamsin SA, Al-Helali A. Use of the Memory Concept to Investigate the Temperature Profile during a Thermal EOR Process. In: the 2011 SPE Technical Symposium & Exhibition of Saudi Arabia Section. Al-Khobar, Saudi Arabia; 2011.

Mahmoud A, Al-Helali A, Al-Kharobi T, Sheltami T. Comparative Performance Study for Integrated 3G/WLAN Networks Using Mobile IP, SIP, and m-SCTP Protocols. In: 2010 IEEE 71th Vehicular Technology Conference (VTC2010-Spring). Taipei, Taiwan; 2010.

Al-Helali A-A. Performance evaluation of mobility solutions for integrated WLAN/3G networks. 2010.

Al-Helali A, Mahmoud A, Al-Kharobi T, Sheltami T. Analysis of Handoff Delay Components for Mobile IP-Based 3GPP UMTS/WLAN Interworking Architecture. In: The IEEE 23rd International Conference on Advanced Information Networking and Applications. Bradford, UK; 2009.

Al-Helali A, Mahmoud A, Al-Kharobi T, Sheltami T. Characterization of Vertical Handoff Delay for Mobile IP Based 3G/WLAN Integrated Networks. In: 2009 IEEE 69th Vehicular Technology Conference. Barcelona, Spain; 2009.

Al-Helali A. Simulation of a Novel Dual-Mode User Equipment Design for B3G Networks Using OPNET. In: The Third International Conference On Modeling, Simulation And Applied Optimization (ICMSAO’09). Sharjah, United Arab Emirates; 2009.

Al-Helali A. Novel Dual-mode User Equipment Design and Enhanced Gateway Selection on Algorithm for B3G Networks. In: the 37thInternational Conference on Parallel Processing (ICPP-08). Portland, Oregon, USA; 2008.