Self-optimizing Mathematical Model for Energy-Efficient Vertical Handover Management (VHM) in Mobile Heterogeneous Networks (Het-Nets)

Authors

  • Joseph O. AJAO, Enem Theophilus Aniemeka, Wumi AJAYI, Adesoji Adedeji Adegbola, Ruth Amanze, Aderonke Adegbenjo, Oluwatofunmi O. Adetunji, Oladapo O. Adeduro, Folasade Adedeji, Adelowo Opeyemi Joshua, Ojo Abosede Ibironke, Olaoye Monday Olutayo

Keywords:

Energy, Heterogeneous Networks (Het-Nets), Passive Optical Network (PON), Sleep Mode, Vertical Handover.

Abstract

Energy is one of the parameters considered for the Vertical Handover Optimisation (VHO) in Heterogeneous Networks (Het-Nets). Newer generations of Radio Access Technologies (RATs)- notably 4G, consume more power and mitigate the users’ Quality of Experience (QoE) compared to the older generations of mobile Het-Nets. Consequently, low-end Mobile subscribers with older RATs cannot enjoy the same Quality of Service (QoS) in Het-Nets. Therefore, the energy-efficient Vertical Handover (VH) method, which increases the QoS is highly required in this present age of Het-Nets. In order to show a strong relationship between Energy and Handover, mathematical model for VHO was developed from which algorithms were deduced. The developed mathematical model was evaluated by simulation. Q-learning algorithm was formulated for vertical handover. The result of the experiment performed on the base stations showed that the sleep mode has maintained 97 percent energy consumption when the algorithms were tested with data. The Dynamic Bandwidth Allocation (DBA) application has reduced electricity usage from 5000 Kilowatts to 170 Kilowatts. The method developed improved 96.6% DBA. The study concluded that the enhanced mathematical optimization model has effectively promoted energy efficiency in the handover process. It is therefore recommended for mobile network operators, modelers and system analysts.

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References

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Published

13.11.2024

How to Cite

Joseph O. AJAO. (2024). Self-optimizing Mathematical Model for Energy-Efficient Vertical Handover Management (VHM) in Mobile Heterogeneous Networks (Het-Nets). International Journal of Intelligent Systems and Applications in Engineering, 12(4), 4310–4315. Retrieved from https://www.ijisae.org/index.php/IJISAE/article/view/7050

Issue

Vol. 12 No. 4 (2024)

Section

Research Article

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