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Throughput Model of IEEE 802.11e EDCF with Consideration of Delay Bound Constraint
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- Authors
- Jae-Han Lim, Ji-Hoon Yun, Seung-Woo Seo
- Issue Date
- 2008-05
- Citation
- International Conference on Communications (ICC) 2008, pp.235-240
- Publisher
- IEEE
- Language
- English
- Type
- Conference Paper
- Abstract
- In this paper, we present an accurate throughput model of the IEEE 802.11e enhanced distributed coordination function (EDCF). Compared to the previous models, we newly consider a delay bound by predicting an effective retry limit and applying the retry limit to our model. To support this, the accurate description of the performance in a non-saturation condition is necessary, which is achieved by newly considering a queue length and a queue limit in the Markov chain. Simulation results show that our model is accurate in predicting the system throughput. ©2008 IEEE.
- KSP Keywords
- 802.11e EDCF, Delay bound, Distributed coordination function, IEEE 802.11e, Non-saturation, Queue Length, Saturation Condition, markov chain, retry limit, simulation results, system throughput