End-to-end QoS framework for heterogeneous wired-cum-wireless networks

Li, Ming, Zhu, Hua, Chlamtac, Imrich and Prabhakaran, B. 2006, End-to-end QoS framework for heterogeneous wired-cum-wireless networks, Wireless networks, vol. 12, no. 4, pp. 439-450.

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Title End-to-end QoS framework for heterogeneous wired-cum-wireless networks
Author(s) Li, Ming
Zhu, Hua
Chlamtac, Imrich
Prabhakaran, B.
Journal name Wireless networks
Volume number 12
Issue number 4
Start page 439
End page 450
Publisher Springer New York LLC
Place of publication New York, N.Y.
Publication date 2006
ISSN 1022-0038
1572-8196
Keyword(s) quality of service
end-to-end
wired-cum-wireless networks
IEEE 802.11
RSVP
Summary With information access becoming more and more ubiquitous, there is a need for providingQoSsupport for communication that spans wired and wireless networks. For the wired side, RSVP/SBM has been widely accepted as a flow reservation scheme in IEEE 802 style LANs. Thus, it would be desirable to investigate the integration of RSVP and a flow reservation scheme in wireless LANs, as an end-to-end solution for QoS guarantee in wired-cum-wireless networks. For this purpose, we propose WRESV, a lightweight RSVPlike flow reservation and admission control scheme for IEEE 802.11 wireless LANs. Using WRESV, wired/wireless integration can be easily implemented by cross-layer interaction at the Access Point. Main components of the integration are RSVP-WRESV parameter mapping and the initiation of new reservation messages, depending on where senders/receivers are located. In addition, to support smooth roaming of mobile users among different basic service sets (BSS), we devise an efficient handoff scheme that considers both the flow rate demand and network resource availability for continuous QoS support. Furthermore, various optimizations for supporting multicast session and QoS re-negotiation are proposed for better performance improvement. Extensive simulation results showthat the proposed scheme is promising in enriching the QoS support of multimedia applications in heterogeneous wired-cum-wireless networks.
Language eng
Field of Research 100503 Computer Communications Networks
Socio Economic Objective 970110 Expanding Knowledge in Technology
HERDC Research category C1 Refereed article in a scholarly journal
Copyright notice ©2006, Springer Science+Business Media, LLC
Persistent URL http://hdl.handle.net/10536/DRO/DU:30003825

Document type: Journal Article
Collection: School of Engineering and Information Technology
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