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ThinkMind // ICWMC 2017, The Thirteenth International Conference on Wireless and Mobile Communications // View article icwmc_2017_1_40_20046
Multicriteria QoS-aware Solution in Wireless Multi-hop Networks
 Authors: Jean Nunes R. Araujo Claudio de Castro Monteiro Lucas de Souza Batista Keywords: Multicriteria optimization; Mobile Ad-Hoc Networks; Quality of Service. Abstract: Ad-hoc Wireless Networks provide a major base for ubiquitous computing development. In such networks, the communication occurs by multiple hops in a shared medium. In order to meet the different requirements of the applications, routing solutions aware of Quality of Service (QoS) have been developing. However, single-criterion strategies are unable to cope with conflicting objectives that commonly appear in these networks. This work proposes a multicriteria approach that considers End-to-End Delay (E2ED) and Packet Delivery Probability (PDP) as vital criteria in the route discovery process. For this purpose, Optimized Link State Routing Protocol (OLSR) with a modified Dijkstra algorithm is applied, wherein the bi-objective problem is transformed into a mono-objective problem through the epsilon-constraint technique. Extensive simulations have demonstrated that the multicriteria method can provide efficient routing in mobile environments, and it has outperformed the best results of single-criterion methods in terms of Packet Loss Ratio (PLR) by nearly 5 - 35%. The results also have shown the potential of the model in finding a proper trade-off in relation to the number of hops and End-to-End Delay. Pages: 17 to 23 Copyright: Copyright (c) IARIA, 2017 Publication date: July 23, 2017 Published in: conference ISSN: 2308-4219 ISBN: 978-1-61208-572-2 Location: Nice, France Dates: from July 23, 2017 to July 27, 2017
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