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ThinkMind // SPACOMM 2014, The Sixth International Conference on Advances in Satellite and Space Communications // View article spacomm_2014_3_30_20062


Performance Evaluation of Network Selection Algorithms for Vertical Handover Procedures over Satellite/Terrestrial Mobile Networks

Authors:
Igor Biso
Carlo Braccini
Stefano Delucchi
Fabio Lavagetto
Mario Marchese

Keywords: Network Selection, Vertical Handover, Multi Attribute Decision Making, Satellite Networks

Abstract:
The network selection is a decisional process aimed at determining the Radio Access Network (RAN) that a Mobile Node (MN) has to use and represents the core-function of the Vertical Handover procedure. In this paper, the authors propose a new algorithm for the network selection, called Dynamic- Technique for Order of Preference by Similarity to Ideal Solution (D-TOPSIS) that is a new formulation of the TOPSIS algorithm aimed at performing the same selection but requiring a minor number of operations and consequently reducing the time necessary to perform the selection. The main contribution of this work is the evaluation of the D-TOPSIS performance in a scenario where are available simultaneously a satellite network and Wi-Fi and WiMAX networks. The proposed approach is compared with other network selection methods found in the literature in two different cases: i) pedestrian, with a MN speed equal to 3 [m/s] and ii) vehicular, with a MN speed equal to 10 [m/s]. The numerical results show that D-TOPSIS assures a good performance as well as a limited execution time in both cases.

Pages: 47 to 52

Copyright: Copyright (c) IARIA, 2014

Publication date: February 23, 2014

Published in: conference

ISSN: 2308-4480

ISBN: 978-1-61208-317-9

Location: Nice, France

Dates: from February 23, 2014 to February 27, 2014

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