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Conference Paper: Effective throughput: A unified benchmark for pilot-aided OFDM/SDMA wireless communication systems

TitleEffective throughput: A unified benchmark for pilot-aided OFDM/SDMA wireless communication systems
Authors
KeywordsAntenna array
Diversity
Effective throughput
OFDM
SDMA
Issue Date2003
PublisherI E E E, Computer Society. The Journal's web site is located at http://www.ieee-infocom.org/
Citation
Proceedings - Ieee Infocom, 2003, v. 3, p. 1603-1613 How to Cite?
AbstractIn this paper, we study the uplink performance of an orthogonal frequency division multiplexing (OFDM) wireless system where multiple antennas are utilized at the base station (BS). Further, capacity can be greatly enhanced through spatial division multiple access (SDMA), so that several users can transmit packets simultaneously to the BS. The system performance is determined by various transmission techniques, including methods for channel estimation, modulation, as well as channel coding. Conventional parameters such as packet error rate (PER) and bit error rate (BER) are unable to reflect the actual system performance because no consideration is given to the overheads incurred by the transmission techniques. Therefore, we are motivated to propose a novel concept called effective throughput to characterize the capacity available to users by incorporating all these factors. The effective throughput for a user can be viewed as the average number of successfully received data bits in an OFDM symbol after excluding erroneously received packets and the overheads due to channel estimation and coding. It also directly relates to the transmission delay of a user packet. The system effective throughput is the aggregated effective throughput of all users. Simulation results demonstrate that effective throughput can serve as a useful and more meaningful benchmark parameter in optimizing system performance.
Persistent Identifierhttp://hdl.handle.net/10722/48461
ISSN
References

 

DC FieldValueLanguage
dc.contributor.authorShen, Den_HK
dc.contributor.authorPan, Zen_HK
dc.contributor.authorWong, KKen_HK
dc.contributor.authorLi, VOKen_HK
dc.date.accessioned2008-05-22T04:13:46Z-
dc.date.available2008-05-22T04:13:46Z-
dc.date.issued2003en_HK
dc.identifier.citationProceedings - Ieee Infocom, 2003, v. 3, p. 1603-1613en_HK
dc.identifier.issn0743-166Xen_HK
dc.identifier.urihttp://hdl.handle.net/10722/48461-
dc.description.abstractIn this paper, we study the uplink performance of an orthogonal frequency division multiplexing (OFDM) wireless system where multiple antennas are utilized at the base station (BS). Further, capacity can be greatly enhanced through spatial division multiple access (SDMA), so that several users can transmit packets simultaneously to the BS. The system performance is determined by various transmission techniques, including methods for channel estimation, modulation, as well as channel coding. Conventional parameters such as packet error rate (PER) and bit error rate (BER) are unable to reflect the actual system performance because no consideration is given to the overheads incurred by the transmission techniques. Therefore, we are motivated to propose a novel concept called effective throughput to characterize the capacity available to users by incorporating all these factors. The effective throughput for a user can be viewed as the average number of successfully received data bits in an OFDM symbol after excluding erroneously received packets and the overheads due to channel estimation and coding. It also directly relates to the transmission delay of a user packet. The system effective throughput is the aggregated effective throughput of all users. Simulation results demonstrate that effective throughput can serve as a useful and more meaningful benchmark parameter in optimizing system performance.en_HK
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dc.languageengen_HK
dc.publisherI E E E, Computer Society. The Journal's web site is located at http://www.ieee-infocom.org/en_HK
dc.relation.ispartofProceedings - IEEE INFOCOMen_HK
dc.rights©2003 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.rightsCreative Commons: Attribution 3.0 Hong Kong License-
dc.subjectAntenna arrayen_HK
dc.subjectDiversityen_HK
dc.subjectEffective throughputen_HK
dc.subjectOFDMen_HK
dc.subjectSDMAen_HK
dc.titleEffective throughput: A unified benchmark for pilot-aided OFDM/SDMA wireless communication systemsen_HK
dc.typeConference_Paperen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0743-166X&volume=3&spage=1603&epage=1613&date=2003&atitle=Effective+throughput:+a+unified+benchmark+for+pilot-aided+OFDM/SDMA+wireless+communication+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.scopuseid_2-s2.0-0041472658en_HK
dc.identifier.hkuros81706-
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0041472658&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume3en_HK
dc.identifier.spage1603en_HK
dc.identifier.epage1613en_HK
dc.publisher.placeUnited Statesen_HK
dc.identifier.scopusauthoridShen, D=7401738166en_HK
dc.identifier.scopusauthoridPan, Z=7402644862en_HK
dc.identifier.scopusauthoridWong, KK=7404759940en_HK
dc.identifier.scopusauthoridLi, VOK=7202621685en_HK

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