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S. Tariq and N. A. Zafar, “Modeling of Wireless Mobile Communication System Using Z Notation,” Proceedings of the 1st International Conference on Computer, Control and Communication (IC4), Karachi, 12-13 November 2007.

has been cited by the following article:

  • TITLE: Modeling Components and Services of LTE Mobile Communications System

    AUTHORS: Ishtiaq Ahmed Choudhry, Nazir Ahmad Zafar

    KEYWORDS: LTE Communications System; Formal Methods; Emerging Software; Mathematical Language; Z Notation

    JOURNAL NAME: International Journal of Communications, Network and System Sciences, Vol.5 No.12, December 20, 2012

    ABSTRACT: The latest wireless broadband network standard is LTE (Long Term Evolution) which is developed by 3GPP (3rd Generation Partnership Project). It will enable mobile devices such as smart phones, tablets and laptops to access Internet at a very high speed along with lots of multimedia services. There are many issues that are yet to be solved due to dynamic complex nature of wireless systems, multimedia software applications and software requirements. Poor service quality, service disconnections due to mobility, seamless handover, handover interruption time and downward compatibility to other Radio Access Networks (RAN) are some of the key issues for the current LTE systems that are addressed very recently in the scientific literature. Formal method is one of the promising software engineering techniques that assure quality and perfection in software system models. Formal methods use mathematical language to explicitly specify system specifications and requirements that serve as initial grounds for further development and implementation. It efficiently handles all component connections and resource management parameters using discrete structures. Z Schema language is used to model static aspects of LTE communications system. All the schemas are being verified using Z/Eves toolset. The aim is to provide sound mathematical foundation for system validation and verification that eventually results in a more reliable, scalable and complete software system.