QoS-Aware Group Scan Scheduling in WiMAX Networks 


Vol. 35,  No. 2, pp. 186-195, Feb.  2010


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  Abstract

For the fast target base station channel decision in WiMAX networks, fast group scanning scheme was suggested, in which mobile stations in proximity of each other form a group and scan the candidate channels dispersively. However, the previous group scanning scheme does not consider the different QoS requirements of each MS in a group. In this paper we propose the enhanced group scanning scheme, so-called QoS-aware group scan scheduling scheme, that makes mobile stations in a group scan the candidate channels without deteriorating the QoS requirements. We introduce the QoS-aware channel scanning concept of a individual mobile station and show the different scanning latencies due to the different QoS requirements. With the help of the efficient channel allocation by the serving BS, in the proposed scanning scheme, a mobile station with relatively higher QoS in a group scans less amount of candidate channels than the others with relatively lower QoS, while the mobile stations in a group still guarantees the fast target base station decision. The performance results show that our proposed scanning scheme results in the fast target base station decision while considering the QoS requirements of each MS.

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  Cite this article

[IEEE Style]

J. Choi and S. Yoo, "QoS-Aware Group Scan Scheduling in WiMAX Networks," The Journal of Korean Institute of Communications and Information Sciences, vol. 35, no. 2, pp. 186-195, 2010. DOI: .

[ACM Style]

Jae-Kark Choi and Sang-Jo Yoo. 2010. QoS-Aware Group Scan Scheduling in WiMAX Networks. The Journal of Korean Institute of Communications and Information Sciences, 35, 2, (2010), 186-195. DOI: .

[KICS Style]

Jae-Kark Choi and Sang-Jo Yoo, "QoS-Aware Group Scan Scheduling in WiMAX Networks," The Journal of Korean Institute of Communications and Information Sciences, vol. 35, no. 2, pp. 186-195, 2. 2010.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880