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dc.contributor.authorLin, Jia-Shien_US
dc.contributor.authorFeng, Kai-Tenen_US
dc.date.accessioned2014-12-08T15:20:33Z-
dc.date.available2014-12-08T15:20:33Z-
dc.date.issued2011-12-01en_US
dc.identifier.issn1536-1233en_US
dc.identifier.urihttp://dx.doi.org/10.1109/TMC.2010.235en_US
dc.identifier.urihttp://hdl.handle.net/11536/14633-
dc.description.abstractIn the conventional IEEE 802.11 medium access control protocol, the distributed coordination function is designed for the wireless stations (WSs) to perform channel contention within the wireless local area networks (WLANs). Research work has been conducted to modify the random backoff mechanism in order to alleviate the packet collision problem while the WSs are contending for channel access. However, most of the existing work can only provide limited throughput enhancement under specific number of WSs within the network. In this paper, an adaptive reservation-assisted collision resolution (ARCR) protocol is proposed to both improve packet collision and reduce the backoff delays from the random access scheme. With its adaptable reservation period, the contention-based channel access can be adaptively transformed into a reservation-based system if there are pending packets required to be transmitted between the WSs and the access point. Moreover, in order to support quality-of-service requirements, the enhanced-ARCR (E-ARCR) protocol is further proposed to provide adaptation for multiple prioritized traffic in the WLAN. Analytical models are derived for both proposed schemes to evaluate their throughput performance. It can be observed from both analytical and simulation results that the proposed protocols outperform existing schemes with enhanced channel utilization and network throughput.en_US
dc.language.isoen_USen_US
dc.subjectWireless local area network (WLAN)en_US
dc.subjectIEEE 802.11 standardsen_US
dc.subjectmedium access controlen_US
dc.subjectrandom backoff mechanismen_US
dc.subjectreservation-based algorithmen_US
dc.titleQoS-Based Adaptive Contention/Reservation Medium Access Control Protocols for Wireless Local Area Networksen_US
dc.typeArticleen_US
dc.identifier.doi10.1109/TMC.2010.235en_US
dc.identifier.journalIEEE TRANSACTIONS ON MOBILE COMPUTINGen_US
dc.citation.volume10en_US
dc.citation.issue12en_US
dc.citation.spage1785en_US
dc.citation.epage1803en_US
dc.contributor.department電機工程學系zh_TW
dc.contributor.departmentDepartment of Electrical and Computer Engineeringen_US
dc.identifier.wosnumberWOS:000296020000009-
dc.citation.woscount3-
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