A Novel Efficient Up-Link Scheduler for IEEE 802.16m 


Vol. 37,  No. 11, pp. 979-985, Nov.  2012


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  Abstract

The design of an efficient scheduler is a key design factor in IEEE 802.16m systems, in order to support services with various QoS smoothly. Although conventional studies of schedules have been suggested, those had problems that are not able to satisfy the delay condition and make the through-put declined, because they only focused on a specific action scenario rather than reflecting practical action scenarios which have real-time and non-real-time traffics variously. In this paper, an efficient uplink scheduling algorithm is proposed for IEEE 802.16m system by introducing the concepts of Virtual Time(VT) and Virtual Finish Time(VFT) based priority determination, and separate buffers for each QoS class in the mobile terminal. Simulation results showed that the proposed scheme had satisfied the delay requirement of real-time services even with improved throughput performance compared to conventional methods.

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  Cite this article

[IEEE Style]

D. Cho, H. Oh, S. Hong, I. Oh, K. Ko, "A Novel Efficient Up-Link Scheduler for IEEE 802.16m," The Journal of Korean Institute of Communications and Information Sciences, vol. 37, no. 11, pp. 979-985, 2012. DOI: .

[ACM Style]

Da-young Cho, Hyuk-jun Oh, Sung-woong Hong, Il-hyuk Oh, and Kyung-soo Ko. 2012. A Novel Efficient Up-Link Scheduler for IEEE 802.16m. The Journal of Korean Institute of Communications and Information Sciences, 37, 11, (2012), 979-985. DOI: .

[KICS Style]

Da-young Cho, Hyuk-jun Oh, Sung-woong Hong, Il-hyuk Oh, Kyung-soo Ko, "A Novel Efficient Up-Link Scheduler for IEEE 802.16m," The Journal of Korean Institute of Communications and Information Sciences, vol. 37, no. 11, pp. 979-985, 11. 2012.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880