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ThinkMind // ICWMC 2014, The Tenth International Conference on Wireless and Mobile Communications // View article icwmc_2014_8_40_20206


Problematic of QoS-based On-demand Routing Protocols to Improve Communication in Mobility Context

Authors:
Tiguiane Yélémou
Toundé Mesmin Dandjinou

Keywords: mobility; reliability; wireless networks; quality of service; on-demand routing.

Abstract:
In mobile ad hoc networks, achieving good QoS is a critical issue and is very difficult to guarantee due to rapidly changing of network topology and the lossy nature of wireless links. In this context, routing protocols must be smart enough to select better paths for data transmissions. In this paper, we focus on the well-known Ad-hoc On-demand Distance Vector (AODV) protocol. Standard route discovery approach used in AODV is expected to obtain the best path in term of delay. However, in lossy-links context, multimedia data packet transmission success, on path established thanks to control packets, may require several attempts. These retransmissions increase delay and overhead. Many QoS-based methods failed to make a meaningful improvement due to added complexity and additional delay and overhead. In this paper, we use a metric based on number of Packet Retransmissions to show that improving performance of on-demand routing protocols, in the mobility context, lies on effective control of node neighborhood.

Pages: 174 to 179

Copyright: Copyright (c) IARIA, 2014

Publication date: June 22, 2014

Published in: conference

ISSN: 2308-4219

ISBN: 978-1-61208-347-6

Location: Seville, Spain

Dates: from June 22, 2014 to June 26, 2014

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