NDLI: A unified scheduling approach for guaranteed services over IEEE 802.11e wireless LANs

Content Provider	IEEE Xplore Digital Library
Author	Fallah, Y.P. Elfeitori, A. Alnuweiri, H.
Copyright Year	2004
Description	Author affiliation: Dept. of Electr. Eng., British Columbia Univ., Vancouver, BC, Canada (Fallah, Y.P.; Elfeitori, A.; Alnuweiri, H.)
Abstract	Supporting real-time multimedia applications in any network requires scheduling techniques that can provide guaranteed delay and/or bandwidth to media streams. Coordinating access to the wireless medium in an IEEE 802.11 wireless LAN is different from network layer scheduling since it requires scheduling traffic flows in a distributed manner. We introduce a new scheduling framework called multiple access hybrid scheduling (MAHS) that utilizes the concept of virtual packet and emulates stations packets in the access point in order to centralize the scheduling process. This way the main scheduling function is performed solely in the access point thus enabling the use of conventional schedulers to for scheduling both uplink and downlink packets (hybrid scheduling). We deploy a modified version of weighted fair queuing (WFQ) as this internal scheduler. Performance evaluation and analysis of the proposed framework is described in this article.
Sponsorship	IEEE Commun. Soc. Create-Net ICST sigmobile Nortel Networks Philips NEC
Starting Page	375
Ending Page	384
File Size	226579
Page Count	10
File Format	PDF
ISBN	0769522211
DOI	10.1109/BROADNETS.2004.14
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2004-10-25
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Wireless LAN Local area networks Processor scheduling Streaming media Internet Quality of service Bandwidth Broadband communication Telecommunication traffic Traffic control
Content Type	Text
Resource Type	Article

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