Channel efficiency aware scheduling algorithm for real-time services in wireless networks

Gengfa Fang*, Jinglin Shi, Eryk Dutkiewicz

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference proceeding contribution

Abstract

In this paper, we consider the problem of scheduling real time services over time-varying wireless links in broad-band wireless networks where an Adaptive Modulation and Coding (AMC) scheme is applied in the physical layer in order to decrease the packet error rate. It is well known that a properly chosen modulation and coding scheme can increase error robustness in the physical layer. However, this is at the expense of higher system complexity and decreased channel efficiency. We present a novel Near Maximum Weighted Bipartite Matching (NMWBM) scheduling algorithm, which schedules real time services in accordance with delay bounds and physi-cal layer modulation and coding modes. Numerical re-sults set in the context of IEEE 802.16 networks show that NMWBM can improve system packet throughput and pro-vide higher channel efficiency compared to the existing Earliest Deadline First scheduling algorithm. NMWBM provides this improved performance while meeting delay bound and packet loss rate requirements of real time ser-vices in broadband wireless networks.

Original languageEnglish
Title of host publicationProceedings of the 1st IEEE International Conference on Wireless Broadband and Ultra Wideband Communications, AusWireless 2006
Place of PublicationSydney
PublisherUniversity of Technology Sydney
Pages1-6
Number of pages6
ISBN (Print)0977520005, 9780977520008
Publication statusPublished - Mar 2006
Externally publishedYes
Event1st IEEE International Conference on Wireless Broadband and Ultra Wideband Communications, AusWireless - 2006 - Sydney, Australia
Duration: 13 Mar 200616 Mar 2006

Other

Other1st IEEE International Conference on Wireless Broadband and Ultra Wideband Communications, AusWireless - 2006
CountryAustralia
CitySydney
Period13/03/0616/03/06

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  • Cite this

    Fang, G., Shi, J., & Dutkiewicz, E. (2006). Channel efficiency aware scheduling algorithm for real-time services in wireless networks. In Proceedings of the 1st IEEE International Conference on Wireless Broadband and Ultra Wideband Communications, AusWireless 2006 (pp. 1-6). Sydney: University of Technology Sydney.