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Quality of service support with error control protocol in wireless local area networks

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dc.contributor.author Amer, Abdelsalam Bubaker
dc.date.accessioned 2010-07-21T21:39:39Z
dc.date.available 2010-07-21T21:39:39Z
dc.date.copyright 2010 en
dc.date.issued 2010-07-21T21:39:39Z
dc.identifier.uri http://hdl.handle.net/1828/2906
dc.description.abstract This dissertation discusses some techniques to improve the medium access control in infrastructure multi channel wireless local area networks. Medium Access Control protocols (MAC) coordinate the stations and resolve the channel contentions so that scarce radio resources are shared fairly and efficiently amongst participating users. We propose different models to improve the medium access control performance. The models deal with improving the channel access and allocation. By proposing some backoff strategies for the collided users to retransmit, the performance is improved. A comparison amongst the proposed models is shown. We also investigate the quality of service provisioning in infrastructure-based wireless local area networks medium access control. We propose a multiple class traffic model to support quality of service. This model is a cross-layer model as we consider the error in the transmitted state. We also propose models for uplink channel utilizations for data channel transmissions that can be applied to different WLANs. Finally, we propose an integrated model that deals with error in both the request and data transmissions. That model applies in the single class and quality of service support models we develop. In this dissertation, we propose four techniques to improve the medium access control frame utilization by developing four backoff strategies to reduce the collision on the request channels. We propose a cross-layer model for the error control protocol. We propose another model for uplink channel utilization for data transmission in one class of traffic. We also propose a quality of service support model so high priority users get better performance compared to low priority class traffic. Furthermore, we propose cross-layer design for data transmission to guarantee safe data delivery to the receiver for the QoS model. Finally, we propose a model for uplink channel utilization in the QoS model. This model can be applied to different WLANs standards. This model also includes the channel error in both the request and data channels. en
dc.language English eng
dc.language.iso en en
dc.rights Available to the World Wide Web en
dc.subject Wireless LANs en
dc.subject Error Control en
dc.subject IEEE802.11x en
dc.subject.lcsh UVic Subject Index::Sciences and Engineering::Engineering::Electrical engineering en
dc.title Quality of service support with error control protocol in wireless local area networks en
dc.type Thesis en
dc.contributor.supervisor Gebali, Fayez
dc.degree.department Dept. of Electrical and Computer Engineering en
dc.degree.level Doctor of Philosophy Ph.D. en
dc.identifier.bibliographicCitation Abdelsalam Amer and Fayez Gebali, "General Model for Infrastructure Multi‐Channel Wireless LANs", International Journal of Computer Networks and Communications (IJCNC), Vol.2, No.3, pp. 1‐11, May 2010 en
dc.identifier.bibliographicCitation Abdelsalam Amer and Fayez Gebali, "General Model for Single and Multiple Channels WLANs with Quality of Service Support", International Journal of Wireless and Mobile Networks(IJWMN), Vol.1, No.3, pp. 1‐19, October 2009 en
dc.identifier.bibliographicCitation Abdelsalam Amer and Fayez Gebali, "Cross‐Layer Design Analysis in Wireless Local Area Network for Backoff Strategies Investigation and Error Control Protocol", IEEE Canadian Conference on Electrical and Computer Engineering 2009, may 2009. St. John's, Newfoundland and Labrador, Canada. en
dc.identifier.bibliographicCitation Abdelsalam Amer and Fayez Gebali, "Quality of service support and backoff strategies in wireless networks with error control protocol", PM2HW2N '08: Proceedings of the 3nd ACM workshop on Performance monitoring and measurement of heterogeneous wireless and wired networks, in conjunction with ACM MSWIM, Oct 25‐29 2008, Vancouver BC, Canada. en
dc.identifier.bibliographicCitation Abdelsalam Amer, Fayez Gebali and Abdel‐Hamid, Y., "Quality of service support in wireless local area network with error control protocol", 33rd IEEE Conference on Local Computer Networks, 2008., Oct 14‐17th 2008 Montreal QC, Canada en
dc.identifier.bibliographicCitation Abdelsalam Amer, Fayez Gebali and Abdel‐Hamid, Y., "Backoff Strategies in Hiperlan 2 with Error Control Protocol", 68th IEEE Vehicular Technology Conference, 2008. VTC 2008‐Fall.Sept 21‐25th 2008 Calgary AB, Canada en


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