An Equal-Spacing-Based Design for QoS Guarantee in IEEE 802.11e HCCA Wireless Networks

Authors:
Qinglin Zhao;Danny H. K. Tsang
Affiliations:
HKUST, HK;HKUST, HK
Venue:
IEEE Transactions on Mobile Computing
Year:
2008

Citing 0
Cited 4

Quality of Service in mobile ad hoc networks: a survey

International Journal of Ad Hoc and Ubiquitous Computing
QoS in Wireless LAN: A comparison between feedback-based and earliest due-date approaches

Computer Communications
On centralized schedulers for 802.11e WLANs distribution versus grouping of resources allocation

Wireless Communications & Mobile Computing
Integer-multiple-spacing-based scheduling for multimedia applications in IEEE 802.11e HCCA wireless networks

Computer Networks: The International Journal of Computer and Telecommunications Networking

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Abstract

IEEE 802.11e standard develops a reference design for a sample scheduler and admission control unit to support the contention-free access. However, the reference design can not efficiently utilize the bandwidth. This paper proposes an equalspacing- based (equal-SP) design to address the problem. In the equal-SP design, which generalizes the reference design, each stream is scheduled with equal-spacing and different streams are scheduled with different spacings. The equal-SP design not only keeps all advantages of the reference design (i.e., it is simple, easy to implement, and can guarantee the delay requirement), but it is compatible with the standard and can also utilize the bandwidth efficiently.