Flow - Based WTP Scheduler for Proportional Differentiated Services in Wireless Communication Systems 


Vol. 30,  No. 7, pp. 433-439, Jul.  2005


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  Abstract

In this paper, we propose a Flow Based Waiting Time Priority (FB-WTP) scheduler that supports the proportional delay differentiated services between classes. Existing scheduling algorithms utilize the configuration of scheduler, which is operated as class unit, applied to wired network. However, FB-WTP scheduler is operated as flow unit and can take advantage of multi-flow diversity effect in time-varying channel state environment. As a result, FB-WTP improves the average queueing delay on each class as well as supporting the average queueing delay ratio between classes. It also solves the HOL packet blocking problem implicitly. Simulation results show that FB-WTP scheduler has better system queueing delay performance than Look-ahead Waiting Time Priority (LWTP) scheduler and supports the targer queueing delay ratio between classes that network operator set.

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  Cite this article

[IEEE Style]

H. Park, E. Kwon, T. Kim, J. Lee, "Flow - Based WTP Scheduler for Proportional Differentiated Services in Wireless Communication Systems," The Journal of Korean Institute of Communications and Information Sciences, vol. 30, no. 7, pp. 433-439, 2005. DOI: .

[ACM Style]

Hyosoon Park, Eunhyun Kwon, Taehyoun Kim, and Jaiyong Lee. 2005. Flow - Based WTP Scheduler for Proportional Differentiated Services in Wireless Communication Systems. The Journal of Korean Institute of Communications and Information Sciences, 30, 7, (2005), 433-439. DOI: .

[KICS Style]

Hyosoon Park, Eunhyun Kwon, Taehyoun Kim, Jaiyong Lee, "Flow - Based WTP Scheduler for Proportional Differentiated Services in Wireless Communication Systems," The Journal of Korean Institute of Communications and Information Sciences, vol. 30, no. 7, pp. 433-439, 7. 2005.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880