Vol. 36,  No. 9, pp. 801-808, Sep.  2011


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  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.

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  Cite this article

[IEEE Style]

D. Lee, S. Yang, J. Kim, "," The Journal of Korean Institute of Communications and Information Sciences, vol. 36, no. 9, pp. 801-808, 2011. DOI: .

[ACM Style]

Duck-hwan Lee, Seung-chur Yang, and Jong-deok Kim. 2011. . The Journal of Korean Institute of Communications and Information Sciences, 36, 9, (2011), 801-808. DOI: .

[KICS Style]

Duck-hwan Lee, Seung-chur Yang, Jong-deok Kim, "," The Journal of Korean Institute of Communications and Information Sciences, vol. 36, no. 9, pp. 801-808, 9. 2011.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880