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Wireless Networks
Erschienen in: Wireless Networks 5/2013

01.07.2013

Modeling the IEEE 802.11e HCCA mode

verfasst von: Alexander Leonovich, Huei-Wen Ferng

Erschienen in: Wireless Networks | Ausgabe 5/2013

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Abstract

It was shown that the hybrid coordination function control channel access (HCCA) is capable of guaranteeing quality of service in wireless local area networks. However, there is still no comprehensive analytical model for HCCA. Therefore, novel modeling of pure HCCA based on the cyclic-service queueing system is provided in this paper. Our model is general enough to accept a wide range of schedulers and various types of traffic under the finite buffer policy. Via comparisons with simulations, high accuracy of the analytical model is exhibited. Furthermore, some valuable insights and recommendations on how to improve the HCCA performance are revealed by investigating the HCCA mode through the proposed model.
Vorheriger Artikel A non-cooperative quality optimization game for scalable video delivery over MANETs
Nächster Artikel Network coding-aware flow control in wireless ad-hoc networks with multi-path routing

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Fußnoten
1
Coexistence of modes changes queue states and brings some issues. However, those issues can be avoided under the pure focus on HCCA.
 
2
We assume here a fixed SI and no possibility for extra polling when analyzing the simple scheduler of the IEEE 802.11e standard.
 
3
Here, we mean the scheduled TXOPs. Of course, it is absolutely right to say that the length of TXOP length is fixed and depends on the service (QoS) priority under the precondition that the simple scheduler defined in the IEEE 802.11e standard is considered. However, we try to allow our model to be general to describe a variety of schedulers proposed for the IEEE 802.11e HCCA mode. In the literature, some schedulers may employ traffic prediction schemes and may change the length of TXOP every service interval according to the traffic information.
 
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Leonovich, A., & Ferng, H. W. (2011). Technical report on “modeling the IEEE 802.11e HCCA mode”. NTUST.
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Cicconetti, C., Lenzini, L., Mingozzi, E., & Stea, G. (2005). A software architecture for simulating IEEE 802.11e HCCA. In Proceedings of the 3rd internet performance, simulation, monitoring and measurement (IPS-MoMe’05), pp. 97–104, Mar. 2005.
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Metadaten
Titel
Modeling the IEEE 802.11e HCCA mode
verfasst von
Alexander Leonovich
Huei-Wen Ferng
Publikationsdatum
01.07.2013
Verlag
Springer US
Erschienen in
Wireless Networks / Ausgabe 5/2013
Print ISSN: 1022-0038
Elektronische ISSN: 1572-8196
DOI
https://doi.org/10.1007/s11276-012-0500-x

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