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Article: Medium access control with physical-layer-assisted link differentiation

TitleMedium access control with physical-layer-assisted link differentiation
Authors
Keywords802.11 wireless local area network (WLAN)
Cross-layer design
Medium access control (MAC)
Physical-layer-assisted link differentation (PALD)
User detetion
Issue Date2008
PublisherI E E E. The Journal's web site is located at http://ieeexplore.ieee.org/xpl/RecentIssue.jsp?punumber=25
Citation
Ieee Transactions On Vehicular Technology, 2008, v. 57 n. 2, p. 1255-1271 How to Cite?
AbstractIn this paper, we develop medium access control (MAC) schemes for both contention and contention-free accesses over wireless local area networks and give performance analysis of these MAC protocols. User detection and multirate adaptation (MRA) modules are proposed in the physical layer (PHY) to assist link differentiation. With these two modules, for contention accesses, a new distributed queuing MAC protocol (PALD-DQMP) is proposed. Based on different users' channel states, PALD-DQMP makes use of a distributed queuing system to schedule transmissions. To support multimedia transmissions, an enhanced PALD-DQMP (E-PALD-DQMP) is designed by providing two-level optimized transmission scheduling for four access categories, thus eliminating both external and internal collisions among mobile stations. For contention-free accesses, based on the same PHY-assisted link differentiation provided by the two modules, a new multipolling MAC protocol (PALD-MPMP) is proposed, which not only reduces the polling overhead but also prioritizes transmissions according to their delay requirements. Performance analysis and simulation results show that our proposed protocols outperform the standard MAC protocols for both delay-sensitive and best-effort traffics. All these improvements are mainly attributed to the awareness of cross-layer channel state information and the consequent MRA scheme. © 2008 IEEE.
Persistent Identifierhttp://hdl.handle.net/10722/57432
ISSN
2015 Impact Factor: 2.243
2015 SCImago Journal Rankings: 1.203
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorSun, Fen_HK
dc.contributor.authorLi, VOKen_HK
dc.contributor.authorDiao, Zen_HK
dc.contributor.authorXu, Zen_HK
dc.date.accessioned2010-04-12T01:36:44Z-
dc.date.available2010-04-12T01:36:44Z-
dc.date.issued2008en_HK
dc.identifier.citationIeee Transactions On Vehicular Technology, 2008, v. 57 n. 2, p. 1255-1271en_HK
dc.identifier.issn0018-9545en_HK
dc.identifier.urihttp://hdl.handle.net/10722/57432-
dc.description.abstractIn this paper, we develop medium access control (MAC) schemes for both contention and contention-free accesses over wireless local area networks and give performance analysis of these MAC protocols. User detection and multirate adaptation (MRA) modules are proposed in the physical layer (PHY) to assist link differentiation. With these two modules, for contention accesses, a new distributed queuing MAC protocol (PALD-DQMP) is proposed. Based on different users' channel states, PALD-DQMP makes use of a distributed queuing system to schedule transmissions. To support multimedia transmissions, an enhanced PALD-DQMP (E-PALD-DQMP) is designed by providing two-level optimized transmission scheduling for four access categories, thus eliminating both external and internal collisions among mobile stations. For contention-free accesses, based on the same PHY-assisted link differentiation provided by the two modules, a new multipolling MAC protocol (PALD-MPMP) is proposed, which not only reduces the polling overhead but also prioritizes transmissions according to their delay requirements. Performance analysis and simulation results show that our proposed protocols outperform the standard MAC protocols for both delay-sensitive and best-effort traffics. All these improvements are mainly attributed to the awareness of cross-layer channel state information and the consequent MRA scheme. © 2008 IEEE.en_HK
dc.languageengen_HK
dc.publisherI E E E. The Journal's web site is located at http://ieeexplore.ieee.org/xpl/RecentIssue.jsp?punumber=25en_HK
dc.relation.ispartofIEEE Transactions on Vehicular Technologyen_HK
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License-
dc.rights©2008 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.en_HK
dc.subject802.11 wireless local area network (WLAN)en_HK
dc.subjectCross-layer designen_HK
dc.subjectMedium access control (MAC)en_HK
dc.subjectPhysical-layer-assisted link differentation (PALD)en_HK
dc.subjectUser detetionen_HK
dc.titleMedium access control with physical-layer-assisted link differentiationen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0018-9545&volume=57&issue=2&spage=1255&epage=1271&date=2008&atitle=Medium+access+control+with+physical-layer-assisted+link+differentiationen_HK
dc.identifier.emailLi, VOK:vli@eee.hku.hken_HK
dc.identifier.authorityLi, VOK=rp00150en_HK
dc.description.naturepublished_or_final_versionen_HK
dc.identifier.doi10.1109/TVT.2007.906353en_HK
dc.identifier.scopuseid_2-s2.0-41949109817en_HK
dc.identifier.hkuros152494-
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-41949109817&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume57en_HK
dc.identifier.issue2en_HK
dc.identifier.spage1255en_HK
dc.identifier.epage1271en_HK
dc.identifier.isiWOS:000254275400051-
dc.publisher.placeUnited Statesen_HK
dc.identifier.scopusauthoridSun, F=8267663500en_HK
dc.identifier.scopusauthoridLi, VOK=7202621685en_HK
dc.identifier.scopusauthoridDiao, Z=8415199800en_HK
dc.identifier.scopusauthoridXu, Z=7405429207en_HK

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