Fast Vertical Handover Algorithm for Vehicular Communication: A Holistic Approach

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Sourav Dhar 1,* Shubhajit Datta 1 Rabindra Nath Bera 1 Amitava Ray 2

1. Department of E&C Engineering, Sikkim Manipal Institute of Technology, Majitar, Sikkim, INDIA

2. Department of Mechanical Engineering, Sikkim Manipal Institute of Technology Majitar, Sikkim, INDIA

* Corresponding author.


Received: 21 Apr. 2011 / Revised: 7 Aug. 2011 / Accepted: 9 Oct. 2011 / Published: 8 Apr. 2012

Index Terms

ITS, Vertical handover (VHO), MCDM, TOPSIS, V2V and V2I


Next generation vehicular communication environment will consist of heterogeneous radio access networks (RAN). For seamless connectivity, vertical handover is a mandatory requirement. A novel context aware vertical handover algorithm is presented here. TOPSIS (Technique for Order Preference by Similarity to Ideal Solution), which is a multi criteria decision making (MCDM) tool, is used for the development of algorithm and MATLAB/SIMULINK is used as simulation platform. The optimum network is selected, based on multiple factors such as network traffic load, velocity of mobile station, data rate, usage cost and initial delay of network, among the available networks such as WiMax, WLAN and UMTS. This algorithm has been tested by simulating a virtual road traffic scenario. Variations in optimum RAN selection with vehicle speed keeping network traffic load constant and RAN selection with network traffic load keeping vehicle speed constant are shown graphically. The proposed algorithm is very simple yet powerful compared to the existing VHO algorithms and hence requires less execution time.

Cite This Paper

Sourav Dhar, Shubhajit Datta, Rabindra Nath Bera, Amitava Ray, "Fast Vertical Handover Algorithm for Vehicular Communication: A Holistic Approach", International Journal of Computer Network and Information Security(IJCNIS), vol.4, no.3, pp.8-16, 2012. DOI:10.5815/ijcnis.2012.03.02


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