Adaptive Traffic Prioritization Algorithm Over Ad Hoc Network Using IEEE 802.11e

This thesis proposes an adaptive traffic prioritization algorithm over ad hoc network using IEEE 802.11e standard that defines a set of Quality of Service enhancements for wireless LAN applications through modifications to the Media Access Control (MAC) layer. The IEEE 802.11e standard aims to provi...

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Main Author:	Anuar, Ammar
Format:	Thesis
Language:	English English
Published:	2016
Subjects:	T Technology (General)
Online Access:	http://eprints.utem.edu.my/id/eprint/18181/1/Adaptive%20Traffic%20Prioritization%20Algorithm%20Over%20Ad%20Hoc%20Network%20Using%20IEEE%20802.11e%2024%20Pages.pdf http://eprints.utem.edu.my/id/eprint/18181/2/Adaptive%20Traffic%20Prioritization%20Algorithm%20Over%20Ad%20Hoc%20Network%20Using%20IEEE%20802.11e.pdf
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id	my-utem-ep.18181
record_format	uketd_dc
institution	Universiti Teknikal Malaysia Melaka
collection	UTeM Repository
language	English English
topic	T Technology (General) T Technology (General)
spellingShingle	T Technology (General) T Technology (General) Anuar, Ammar Adaptive Traffic Prioritization Algorithm Over Ad Hoc Network Using IEEE 802.11e
description	This thesis proposes an adaptive traffic prioritization algorithm over ad hoc network using IEEE 802.11e standard that defines a set of Quality of Service enhancements for wireless LAN applications through modifications to the Media Access Control (MAC) layer. The IEEE 802.11e standard aims to provide enhancements that allow traffic with specific requirements to be treated differently from normal traffic. Enhanced Distributed Channel Access (EDCA) is a fundamental and mandatory contention-based channel access method of IEEE 802.11e which delivers traffic based on differentiated Access Category (ACs). Each AC has its own queue and set of EDCA parameter values. Although IEEE 802.11e has been widely implemented in commercial hardware, the EDCA parameters are normally preset with some default values recommended by the standard. By default, the values of EDCA parameters are not open for changes. This has limited the performance as from literature review, a proper EDCA parameter manipulation will improve the network throughput performance. However, most existing research works on IEEE 802.11e EDCA parameter optimization are done either analytically or in simulated environments and hence are unable to provide its effectiveness in realistic scenarios. This is largely due to the several hurdles associated with real-life implementations which prohibit them to do so, such as hardware limitations, software restrictions, coding bugs in the wireless cards driver and so on.These challengess form part of the motivations behind this work. This thesis first investigates the impacts of EDCA parameters on the network performance and link conditions using open source software and commercially available hardware in ad hoc mode. An adaptive prioritization scheme (APS) is then proposed. The results obtained show that the proposed APS algorithm can improve the single-AC throughput performance up to 10.82% when compared to static EDCA. In dual-AC scenario, APS can improve the throughput performance up to 9.93% as compared to static EDCA, while another scheme in existing literature, R-AIFSN shows inconsistency in throughput performance. It is also found that the improvement is more significant in terms of the queue occupancy.
format	Thesis
qualification_name	Master of Philosophy (M.Phil.)
qualification_level	Master's degree
author	Anuar, Ammar
author_facet	Anuar, Ammar
author_sort	Anuar, Ammar
title	Adaptive Traffic Prioritization Algorithm Over Ad Hoc Network Using IEEE 802.11e
title_short	Adaptive Traffic Prioritization Algorithm Over Ad Hoc Network Using IEEE 802.11e
title_full	Adaptive Traffic Prioritization Algorithm Over Ad Hoc Network Using IEEE 802.11e
title_fullStr	Adaptive Traffic Prioritization Algorithm Over Ad Hoc Network Using IEEE 802.11e
title_full_unstemmed	Adaptive Traffic Prioritization Algorithm Over Ad Hoc Network Using IEEE 802.11e
title_sort	adaptive traffic prioritization algorithm over ad hoc network using ieee 802.11e
granting_institution	Universiti Teknikal Malaysia Melaka
granting_department	Faculty Of Electronic And Computer Engineering
publishDate	2016
url	http://eprints.utem.edu.my/id/eprint/18181/1/Adaptive%20Traffic%20Prioritization%20Algorithm%20Over%20Ad%20Hoc%20Network%20Using%20IEEE%20802.11e%2024%20Pages.pdf http://eprints.utem.edu.my/id/eprint/18181/2/Adaptive%20Traffic%20Prioritization%20Algorithm%20Over%20Ad%20Hoc%20Network%20Using%20IEEE%20802.11e.pdf
_version_	1747833915918254080
spelling	my-utem-ep.181812021-10-08T07:43:48Z Adaptive Traffic Prioritization Algorithm Over Ad Hoc Network Using IEEE 802.11e 2016 Anuar, Ammar T Technology (General) TK Electrical engineering. Electronics Nuclear engineering This thesis proposes an adaptive traffic prioritization algorithm over ad hoc network using IEEE 802.11e standard that defines a set of Quality of Service enhancements for wireless LAN applications through modifications to the Media Access Control (MAC) layer. The IEEE 802.11e standard aims to provide enhancements that allow traffic with specific requirements to be treated differently from normal traffic. Enhanced Distributed Channel Access (EDCA) is a fundamental and mandatory contention-based channel access method of IEEE 802.11e which delivers traffic based on differentiated Access Category (ACs). Each AC has its own queue and set of EDCA parameter values. Although IEEE 802.11e has been widely implemented in commercial hardware, the EDCA parameters are normally preset with some default values recommended by the standard. By default, the values of EDCA parameters are not open for changes. This has limited the performance as from literature review, a proper EDCA parameter manipulation will improve the network throughput performance. However, most existing research works on IEEE 802.11e EDCA parameter optimization are done either analytically or in simulated environments and hence are unable to provide its effectiveness in realistic scenarios. This is largely due to the several hurdles associated with real-life implementations which prohibit them to do so, such as hardware limitations, software restrictions, coding bugs in the wireless cards driver and so on.These challengess form part of the motivations behind this work. This thesis first investigates the impacts of EDCA parameters on the network performance and link conditions using open source software and commercially available hardware in ad hoc mode. An adaptive prioritization scheme (APS) is then proposed. The results obtained show that the proposed APS algorithm can improve the single-AC throughput performance up to 10.82% when compared to static EDCA. In dual-AC scenario, APS can improve the throughput performance up to 9.93% as compared to static EDCA, while another scheme in existing literature, R-AIFSN shows inconsistency in throughput performance. It is also found that the improvement is more significant in terms of the queue occupancy. 2016 Thesis http://eprints.utem.edu.my/id/eprint/18181/ http://eprints.utem.edu.my/id/eprint/18181/1/Adaptive%20Traffic%20Prioritization%20Algorithm%20Over%20Ad%20Hoc%20Network%20Using%20IEEE%20802.11e%2024%20Pages.pdf text en public http://eprints.utem.edu.my/id/eprint/18181/2/Adaptive%20Traffic%20Prioritization%20Algorithm%20Over%20Ad%20Hoc%20Network%20Using%20IEEE%20802.11e.pdf text en validuser https://plh.utem.edu.my/cgi-bin/koha/opac-detail.pl?biblionumber=99994 mphil masters Universiti Teknikal Malaysia Melaka Faculty Of Electronic And Computer Engineering 1. Anuar, A., Ng, S. C., Chan, M. L., Torshizi, S. D. S., Chieng, D., Ting, A., ... & Soo, Y., 2013. Effects of rate control, bridging and antenna orientation on IEEE 802.11n link performance: An experimental analysis. IEEE Malaysia International Conference on Communications (MICC), 2013, pp. 432-437. 2. Banchs, A., Azcorra, A., García, C., & Cuevas, R., 2005. Applications and challenges of the 802.11e EDCA mechanism: an experimental study. IEEE Network, , 19(4), 52-58. 3. Bolla, Raffaele, Riccardo Rapuzzi, and Matteo Repetto, 2009. On the effectiveness of IEEE 802.11 e implementations in real hardware. IEEE 6th International Symposium on Wireless Communication Systems, 2009. ISWCS 2009. 4. Choi, S., Del Prado, J., & Mangold, S., 2003. IEEE 802.11e contention-based channel access (EDCF) performance evaluation. In International Conference on Communications, 2003. ICC'03. IEEE Vol. 2, pp. 1151-1156. 5. Frikha, Mounir, Tibi Najet, and Faiza Tabbana, 2006. Mapping DiffServ to MAC differentiation for IEEE 802.11e. International Conference on Internet and Web Applications and Services/Advanced International Conference on IEEE Telecommunications, AICT-ICIW'06. 6. Garroppo, Rosario G., Stefano Giordano, and Luca Tavanti, 2010. 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Saturation throughput of IEEE 802.11e EDCA based on mean value analysis. IEEE Wireless Communications and Networking Conference, 2006. WCNC 2006. Vol. 1. 23. Mangold, S., Choi, S., Hiertz, G. R., Klein, O., & Walke, B., 2003. Analysis of IEEE 802.11e for QoS support in wireless LANs. IEEE Wireless Communications, , 10(6), 40-50. 24. Mangold, S., Choi, S., May, P., Klein, O., Hiertz, G., & Stibor, L., 2002. IEEE 802.11e Wireless LAN for Quality of Service. In Proc. European Wireless. Vol. 2, pp. 32-39. 25. Mangold, S., Choi, S., May, P., Klein, O., Hiertz, G., & Stibor, L., 2002. IEEE 802.11e Wireless LAN for Quality of Service. Proc. In European Wireless. Vol. 2, pp. 32-39. 26. Narbutt, Miroslaw, and Mark Davis, 2007. Experimental tuning of AIFSN and CWmin parameters to prioritize voice over data transmission in 802.11e WLAN networks. Proceedings of the 2007 international conference on Wireless communications and mobile computing. ACM. 27. Ng, Anthony CH, David Malone, and Douglas J. 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Adaptive Traffic Prioritization Algorithm Over Ad Hoc Network Using IEEE 802.11e

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