New approach based on direction and genetic algorithm to predict target base station in mobile WiMAX

The IEEE 802.16e [Mobile Worldwide Interoperability for Microwave Access (MWiMAX)] standard allows Subscriber Stations (SS) to move, transforming them into Mobile Stations (MS). This brings up one of IEEE 802.16e's most difficult issues: handover (HO). When MS moves from one cell to the next, H...

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Bibliographic Details
Main Authors: Saheb, Huda H., Hamza, Bashar J., Fahem AL-Baghdadi, Ahmed
Format: Conference Proceeding
Language:English
Subjects:
Genetic algorithm
Handover
Prediction
WiMAX
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Summary:The IEEE 802.16e [Mobile Worldwide Interoperability for Microwave Access (MWiMAX)] standard allows Subscriber Stations (SS) to move, transforming them into Mobile Stations (MS). This brings up one of IEEE 802.16e's most difficult issues: handover (HO). When MS moves from one cell to the next, HO occurs. Reducing HO delay is critical for improving service quality. This paper proposes method to reduce delay by two steps. The first, serving base station eliminate BSs that are not in the direction of the user’s movement. Second using genetic algorithm (GA) to optimize the selection of target Base station (TBS) depending on speed of user so that it ensures balance between reducing the scanning time and dropping call. Finally, MATLAB was utilized to obtain a result that indicates a lower TBS and higher throughput during handover than the traditional approach.
ISSN:2214-7853
2214-7853
DOI:10.1016/j.matpr.2021.08.071