ALARM: An adaptive load-aware routing metric for hybrid wireless mesh networks

Pirzada, Asad Amir, Wishart, Ryan, Portmann, Marius and Indulska, Jadwiga (2009). ALARM: An adaptive load-aware routing metric for hybrid wireless mesh networks. In: Bernard Mans, Con- ferences in Research and Practice in Information Technology (CRPIT). Thirty-Second Australasian Computer Science Conference (ACSC 2009)), Wellington, New Zealand, (25-34). 19-23 January 2009.

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Author Pirzada, Asad Amir
Wishart, Ryan
Portmann, Marius
Indulska, Jadwiga
Title of paper ALARM: An adaptive load-aware routing metric for hybrid wireless mesh networks
Conference name Thirty-Second Australasian Computer Science Conference (ACSC 2009))
Conference location Wellington, New Zealand
Conference dates 19-23 January 2009
Proceedings title Con- ferences in Research and Practice in Information Technology (CRPIT)
Journal name Conferences in Research and Practice in Information Technology Series
Place of Publication Sydney, Australia
Publisher Australian Computer Society
Publication Year 2009
Sub-type Fully published paper
ISBN 9781920682729
ISSN 1445-1336
Editor Bernard Mans
Volume 91
Start page 25
End page 34
Total pages 10
Language eng
Abstract/Summary Hybrid Wireless Mesh Networks (WMN) can be quickly deployed at disasters sites to provide high-capacity wireless communications. As with other WMN networks, a routing protocol is required to find a path between non-neighboring source and destination nodes. The routing metric used by the routing protocol can have a significant impact on the performance of the network. Most of the existing routing metrics for multiradio, multihop WMNs are calculated using external information (such as link quality statistics and channel information). In a network with highly mobile nodes, such as an Hybrid WMN, the required frequent exchange of this information can be very expensive, resulting in degraded performance. In this paper, we present the ALARM routing metric, which is computed using the number of packets queued per wireless interface. This computed value offers an accurate representation of the traffic load, link quality, interference and noise levels. As only this one value need be exchanged to compute ALARM, the overhead associated with the metric is less than existing approaches. With the help of extensive simulations, we show that ALARM outperforms well-know routing metrics like ETT and WCETT under varying mobility and traffic load conditions in HybridWMNs. Validation of these simulation results is obtained from a small-scale testbed deployment. †
Keyword Hybrid
Mesh
Wireless
Network
Routing
Q-Index Code E1
Q-Index Status Provisional Code
Institutional Status UQ

 
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Created: Wed, 16 Mar 2011, 11:49:27 EST by Dr Marius Portmann on behalf of School of Information Technol and Elec Engineering