A novel dual-mode user equipment design and enhanced gateway selection algorithm for B3G networks

Abdul Aziz Al-Helali*, Ashraf Mahmoud, Talal Al-Kharobi, Tarek Sheltami

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

2 Scopus citations


As wireless Internet applications are proliferating and becoming the main driver for the exploding growth of wireless access technologies, integrating third generation (3G) systems with Wi-Fi networks allows combining the strengths of these two technologies. In this paper, we present a novel design for a dual-mode user equipment (UE) model that supports both 3G and Wi-Fi access and provide one implementation using the OPNET simulation tool. The proposed UE model should be capable of supporting all the integrated network architectures depending on the deployment scenario. The modular model is equipped with two air-interface modules that allow communication with 3G and Wi-Fi networks, but the rest of the protocol stack is the standard IP protocol stack to satisfy the compatibility requirement. The design also includes needed functionalities to support vertical handoff across the two networks. The paper also presents an example algorithm that may be implemented into the proposed UE for enhanced gateway selection.

Original languageEnglish
Title of host publicationProceedings - 37th International Conference on Parallel Processing Workshops, ICPP 2008
Number of pages5
StatePublished - 2008

Publication series

NameProceedings of the International Conference on Parallel Processing Workshops
ISSN (Print)1530-2016

ASJC Scopus subject areas

  • Software
  • Mathematics (all)
  • Hardware and Architecture


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