dc.contributor.author | Hu, J | |
dc.contributor.author | Min, Geyong | |
dc.contributor.author | Woodward, ME | |
dc.date.accessioned | 2016-03-03T10:03:36Z | |
dc.date.issued | 2013-10-03 | |
dc.description.abstract | The IEEE 802.11e Enhanced Distributed Channel Access (EDCA) protocol has been proposed for provisioning of differentiated Quality-of-Service (QoS) between various Access Categories (ACs), i.e., inter-AC QoS, in Wireless Local Area Networks (WLANs). However, the EDCA lacks the support of the intra-AC QoS provisioning, which is indispensable in practical WLANs since the network loads are always asymmetric between traffic flows of ACs with the same priority. To address the intra-AC QoS issue, this paper proposes a Threshold-Based Dynamic Transmission Opportunity (TBD-TXOP) scheme which sets the TXOP limits adaptive to the current status of the transmission queue based on the pre-setting threshold. An analytical model is further developed to evaluate the QoS performance of this scheme in terms of throughput, end-to-end delay, and frame loss probability. NS-2 simulation experiments validate the accuracy of the proposed analytical model. The performance results demonstrate the efficacy of TBD-TXOP for the intra-AC QoS differentiation. © 2013 Elsevier B.V. All rights reserved. | en_GB |
dc.identifier.citation | Vol. 38, pp. 69-74 | en_GB |
dc.identifier.doi | 10.1016/j.future.2013.09.021 | |
dc.identifier.uri | http://hdl.handle.net/10871/20397 | |
dc.language.iso | en | en_GB |
dc.publisher | Elsevier | en_GB |
dc.relation.url | http://www.sciencedirect.com/science/article/pii/S0167739X13002008 | en_GB |
dc.rights | © Elsevier 2013. This manuscript version is made available under the CC-BY-NC-ND 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0/ | en_GB |
dc.subject | Transmission opportunity | en_GB |
dc.subject | EDCA | en_GB |
dc.subject | Intra-AC QoS | en_GB |
dc.title | Performance analysis of a threshold-based dynamic TXOP scheme for intra-AC QoS in wireless LANs | en_GB |
dc.type | Article | en_GB |
dc.date.available | 2016-03-03T10:03:36Z | |
dc.identifier.issn | 0167-739X | |
dc.description | Published | en_GB |
dc.description | Journal Article | en_GB |
dc.description | This is the author accepted manuscript. The final version is available from Elsevier via the DOI in this record. | en_GB |
dc.identifier.journal | Future Generation Computer Systems | en_GB |