Volume 2 Number 3 (May 2013)
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IJCCE 2013 Vol.2(3): 372-376 ISSN: 2010-3743
DOI: 10.7763/IJCCE.2013.V2.207

Design and Implementation of Multi-Rate Broadcast Based Link Quality Measurement for Wireless Mesh Network

Seung-Chur Yang, Hyung-Yoon Seo, and Jong-Deok Kim
Abstract—We propose MBAP (Multi-rate Broadcast Active Probing) technique to get the right measurements for link quality in Wireless Mesh Network (WMN). Most routing protocols for WMN make use of link quality-aware routing metrics, such as ETX(Expected Transmission Count) and ETT(Expected Transmission Time), while the hop count is usually used in MANET (Mobile Ad-hoc NETwork). A broadcast based active proving technique is adopted in the previous studies to get the ETX or ETT of a link. However this technique does not reflect the multi-rate feature of WLAN because it uses a single fixed transmission rate for broadcast which usually differs from the actual rate used in data transmissions. MBAP overcomes this shortage by exploiting various rate broadcast frames for probing. We implement MBAP on linux system by modifying WLAN driver and related kernel sub-systems. Experimental results show that MBAP can capture link quality more accurately than the existing techniques.

Index Terms—Wireless mesh network, link quality measurement, broadcast active probing, unicast active probing, expected transmission count, expected transmission time.

The authors are with the Pusan National University, Pusan, 609-735, Republic of Korea (e-mail: elleysc@pusan.ac.kr, tanyak@pusan.ac.kr, kimjd@pusan.ac.kr).

Cite:Seung-Chur Yang, Hyung-Yoon Seo, and Jong-Deok Kim, "Design and Implementation of Multi-Rate Broadcast Based Link Quality Measurement for Wireless Mesh Network," International Journal of Computer and Communication Engineering vol. 2, no. 3, pp. 372-376, 2013.

General Information

ISSN: 2010-3743
Frequency: Quarterly
Editor-in-Chief: Dr. Maode Ma
Abstracting/ Indexing: EI (INSPEC, IET), Google Scholar, Crossref, ProQuest, and Electronic Journals Library
E-mail: ijcce@iap.org
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