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Wireless Networks
Erschienen in: Wireless Networks 7/2015

01.10.2015

Capacity enhancement for a rate-variance-envelop-based admission control in IEEE 802.11e HCCA WLANs

verfasst von: Jeng-Ji Huang, Yao-Jen Liang, Chung-Yen Su

Erschienen in: Wireless Networks | Ausgabe 7/2015

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Abstract

A rate-variance-envelop-based admission control (RVAC) has previously been proposed for IEEE 802.11e wireless networks. By leveraging the multiplexing gain of variable bit rate traffic, RVAC enjoys high network utilization. However, it may suffer from capacity loss due to large polling overheads, and its conservative approach to ensure the quality of service. To overcome these issues, we propose a per-flow polling scheme and derive the capacity by utilizing a stochastic ON–OFF model together with a D/G/1 model. The advantages of our method over RVAC are demonstrated through both analytical and simulation results in respect to the system capacity.
Vorheriger Artikel A MAC transmission strategy in sparse Vehicular Delay-Tolerant Sensor Networks
Nächster Artikel A prediction-based clustering algorithm for tracking targets in quantized areas for wireless sensor networks

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Fußnoten
1
Like RVAC [16], we consider only the aggregate of traffic for mathematical tractability. It should be noted that by traffic aggregation, service differentiation can no longer be possible.
 
2
Obviously, \(K\) has an upper bound, which makes \(T_f/K\) equal to the duration of a single bit.
 
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Metadaten
Titel
Capacity enhancement for a rate-variance-envelop-based admission control in IEEE 802.11e HCCA WLANs
verfasst von
Jeng-Ji Huang
Yao-Jen Liang
Chung-Yen Su
Publikationsdatum
01.10.2015
Verlag
Springer US
Erschienen in
Wireless Networks / Ausgabe 7/2015
Print ISSN: 1022-0038
Elektronische ISSN: 1572-8196
DOI
https://doi.org/10.1007/s11276-015-0912-5

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