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Conference Paper: A channel-condition and packet-length dependent scheduler in wireless OFDM systems

TitleA channel-condition and packet-length dependent scheduler in wireless OFDM systems
Authors
KeywordsTransportation
Automobiles
Issue Date2004
PublisherIEEE.
Citation
Ieee Vehicular Technology Conference, 2004, v. 60 n. 2, p. 1038-1042 How to Cite?
AbstractIn this paper, a new scheduler, called Channel-Condition and Packet-Length Dependent Packet Generalized Processor Sharing (CPLD-PGPS) scheduler is proposed for orthogonal frequency-division multiplexing (OFDM) wireless communication systems. Based on PGPS, CPLD scheduler considers the condition of the physical channel and the length of packets at the same time, and optimally allocates the sub-carriers in a frame. With this scheduler, improved system BER, and correspondingly superior PER performance can be achieved. The system throughput is improved, while guaranteeing the required bandwidth, and providing long term fairness for all the traffic in the system. In order to reduce the algorithm complexity, a simplified CPLD is proposed, which maintains the system throughput as the original scheduler, and guarantees the system performance with properly set system parameters. Simulation results demonstrate the superior performance of the proposed scheduler. © 2004 IEEE.
Persistent Identifierhttp://hdl.handle.net/10722/45809
ISSN
References

 

DC FieldValueLanguage
dc.contributor.authorDiao, Zen_HK
dc.contributor.authorShen, Den_HK
dc.contributor.authorLi, VOKen_HK
dc.date.accessioned2007-10-30T06:36:00Z-
dc.date.available2007-10-30T06:36:00Z-
dc.date.issued2004en_HK
dc.identifier.citationIeee Vehicular Technology Conference, 2004, v. 60 n. 2, p. 1038-1042en_HK
dc.identifier.issn1550-2252en_HK
dc.identifier.urihttp://hdl.handle.net/10722/45809-
dc.description.abstractIn this paper, a new scheduler, called Channel-Condition and Packet-Length Dependent Packet Generalized Processor Sharing (CPLD-PGPS) scheduler is proposed for orthogonal frequency-division multiplexing (OFDM) wireless communication systems. Based on PGPS, CPLD scheduler considers the condition of the physical channel and the length of packets at the same time, and optimally allocates the sub-carriers in a frame. With this scheduler, improved system BER, and correspondingly superior PER performance can be achieved. The system throughput is improved, while guaranteeing the required bandwidth, and providing long term fairness for all the traffic in the system. In order to reduce the algorithm complexity, a simplified CPLD is proposed, which maintains the system throughput as the original scheduler, and guarantees the system performance with properly set system parameters. Simulation results demonstrate the superior performance of the proposed scheduler. © 2004 IEEE.en_HK
dc.format.extent1878993 bytes-
dc.format.extent4152649 bytes-
dc.format.extent23319 bytes-
dc.format.extent5489 bytes-
dc.format.mimetypeapplication/pdf-
dc.format.mimetypeapplication/pdf-
dc.format.mimetypetext/plain-
dc.format.mimetypetext/plain-
dc.languageengen_HK
dc.publisherIEEE.en_HK
dc.relation.ispartofIEEE Vehicular Technology Conferenceen_HK
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License-
dc.rights©2004 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.subjectTransportationen_HK
dc.subjectAutomobilesen_HK
dc.titleA channel-condition and packet-length dependent scheduler in wireless OFDM systemsen_HK
dc.typeConference_Paperen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=1550-2252&volume=2&spage=1038&epage=1042&date=2004&atitle=A+channel-condition+and+packet-length+dependent+scheduler+in+wireless+OFDM+systemsen_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/VETECF.2004.1400179en_HK
dc.identifier.scopuseid_2-s2.0-17144419723en_HK
dc.identifier.hkuros105411-
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-17144419723&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume60en_HK
dc.identifier.issue2en_HK
dc.identifier.spage1038en_HK
dc.identifier.epage1042en_HK
dc.publisher.placeUnited Statesen_HK
dc.identifier.scopusauthoridDiao, Z=8415199800en_HK
dc.identifier.scopusauthoridShen, D=7401738166en_HK
dc.identifier.scopusauthoridLi, VOK=7202621685en_HK

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