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FHCF: a simple and efficient scheduling scheme for IEEE 802.11e wireless LAN

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FHCF: a simple and efficient scheduling scheme for IEEE 802.11e wireless LAN. / Ansel, Pierre; Ni, Qiang; Turletti, Thierry.
In: Mobile Networks and Applications, Vol. 11, No. 3, 06.2006, p. 391-403.

Research output: Contribution to Journal/MagazineJournal articlepeer-review

Harvard

Ansel, P, Ni, Q & Turletti, T 2006, 'FHCF: a simple and efficient scheduling scheme for IEEE 802.11e wireless LAN', Mobile Networks and Applications, vol. 11, no. 3, pp. 391-403. https://doi.org/10.1007/s11036-006-5191-z

APA

Ansel, P., Ni, Q., & Turletti, T. (2006). FHCF: a simple and efficient scheduling scheme for IEEE 802.11e wireless LAN. Mobile Networks and Applications, 11(3), 391-403. https://doi.org/10.1007/s11036-006-5191-z

Vancouver

Ansel P, Ni Q, Turletti T. FHCF: a simple and efficient scheduling scheme for IEEE 802.11e wireless LAN. Mobile Networks and Applications. 2006 Jun;11(3):391-403. doi: 10.1007/s11036-006-5191-z

Author

Ansel, Pierre ; Ni, Qiang ; Turletti, Thierry. / FHCF : a simple and efficient scheduling scheme for IEEE 802.11e wireless LAN. In: Mobile Networks and Applications. 2006 ; Vol. 11, No. 3. pp. 391-403.

Bibtex

@article{8d8f18aed74d46d18f7d00d607b4166f,
title = "FHCF: a simple and efficient scheduling scheme for IEEE 802.11e wireless LAN",
abstract = "The IEEE 802.11e medium access control (MAC) layer protocol is an emerging standard to support quality of service (QoS) in 802.11 wireless networks. Some recent work shows that the 802.11e hybrid coordination function (HCF) can improve significantly the QoS support in 802.11 networks. A simple HCF referenced scheduler has been proposed in the 802.11e which takes into account the QoS requirements of flows and allocates time to stations on the basis of the mean sending rate. As we show in this paper, this HCF referenced scheduling algorithm is only efficient and works well for flows with strict constant bit rate (CBR) characteristics. However, a lot of real-time applications, such as videoconferencing, have some variations in their packet sizes, sending rates or even have variable bit rate (VBR) characteristics. In this paper we propose FHCF, a simple and efficient scheduling algorithm for 802.11e that aims to be fair for both CBR and VBR flows. FHCF uses queue length estimations to tune its time allocation to mobile stations. We present analytical model evaluations and a set of simulations results, and provide performance comparisons with the 802.11e HCF referenced scheduler. Our performance study indicates that FHCF provides good fairness while supporting bandwidth and delay requirements for a large range of network loads.",
keywords = "IEEE 802.11e, WLAN, medium access control (MAC), quality of service (QoS)",
author = "Pierre Ansel and Qiang Ni and Thierry Turletti",
year = "2006",
month = jun,
doi = "10.1007/s11036-006-5191-z",
language = "English",
volume = "11",
pages = "391--403",
journal = "Mobile Networks and Applications",
issn = "1383-469X",
publisher = "Springer Netherlands",
number = "3",

}

RIS

TY - JOUR

T1 - FHCF

T2 - a simple and efficient scheduling scheme for IEEE 802.11e wireless LAN

AU - Ansel, Pierre

AU - Ni, Qiang

AU - Turletti, Thierry

PY - 2006/6

Y1 - 2006/6

N2 - The IEEE 802.11e medium access control (MAC) layer protocol is an emerging standard to support quality of service (QoS) in 802.11 wireless networks. Some recent work shows that the 802.11e hybrid coordination function (HCF) can improve significantly the QoS support in 802.11 networks. A simple HCF referenced scheduler has been proposed in the 802.11e which takes into account the QoS requirements of flows and allocates time to stations on the basis of the mean sending rate. As we show in this paper, this HCF referenced scheduling algorithm is only efficient and works well for flows with strict constant bit rate (CBR) characteristics. However, a lot of real-time applications, such as videoconferencing, have some variations in their packet sizes, sending rates or even have variable bit rate (VBR) characteristics. In this paper we propose FHCF, a simple and efficient scheduling algorithm for 802.11e that aims to be fair for both CBR and VBR flows. FHCF uses queue length estimations to tune its time allocation to mobile stations. We present analytical model evaluations and a set of simulations results, and provide performance comparisons with the 802.11e HCF referenced scheduler. Our performance study indicates that FHCF provides good fairness while supporting bandwidth and delay requirements for a large range of network loads.

AB - The IEEE 802.11e medium access control (MAC) layer protocol is an emerging standard to support quality of service (QoS) in 802.11 wireless networks. Some recent work shows that the 802.11e hybrid coordination function (HCF) can improve significantly the QoS support in 802.11 networks. A simple HCF referenced scheduler has been proposed in the 802.11e which takes into account the QoS requirements of flows and allocates time to stations on the basis of the mean sending rate. As we show in this paper, this HCF referenced scheduling algorithm is only efficient and works well for flows with strict constant bit rate (CBR) characteristics. However, a lot of real-time applications, such as videoconferencing, have some variations in their packet sizes, sending rates or even have variable bit rate (VBR) characteristics. In this paper we propose FHCF, a simple and efficient scheduling algorithm for 802.11e that aims to be fair for both CBR and VBR flows. FHCF uses queue length estimations to tune its time allocation to mobile stations. We present analytical model evaluations and a set of simulations results, and provide performance comparisons with the 802.11e HCF referenced scheduler. Our performance study indicates that FHCF provides good fairness while supporting bandwidth and delay requirements for a large range of network loads.

KW - IEEE 802.11e

KW - WLAN

KW - medium access control (MAC)

KW - quality of service (QoS)

U2 - 10.1007/s11036-006-5191-z

DO - 10.1007/s11036-006-5191-z

M3 - Journal article

VL - 11

SP - 391

EP - 403

JO - Mobile Networks and Applications

JF - Mobile Networks and Applications

SN - 1383-469X

IS - 3

ER -