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Article: Analysis of multiuser MIMO downlink networks using linear transmitter and receivers

TitleAnalysis of multiuser MIMO downlink networks using linear transmitter and receivers
Authors
KeywordsDirty-paper coding
Joint-channel diagonalization
MIMO
Multiuser communication
Orthogonal space-division multiplexing
Issue Date2004
PublisherHindawi Publishing Corp. The Journal's web site is located at http://www.hindawi.com/journals/wcn/index.html
Citation
Eurasip Journal On Wireless Communications And Networking, 2004, v. 2004 n. 2, p. 248-260 How to Cite?
AbstractIn contrast to dirty-paper coding (DPC) which is largely information theoretic, this paper proposes a linear codec that can spatially multiplex the multiuser signals to realize the rich capacity of multiple-input multiple-output (MIMO) downlink broadcast (point-to-multipoint) channels when channel state information (CSI) is available at the transmitter. Assuming single-stream (or single-mode) communication for each user, we develop an iterative algorithm, which is stepwise optimal, to obtain the multiuser antenna weights accomplishing orthogonal space-division multiplexing (OSDM). The steady state solution has a straightforward interpretation and requires only maximal-ratio combiners (MRC) at the mobile stations to capture the optimized spatial modes. Our main contribution is that the proposed scheme can greatly reduce the processing complexity (at least by a factor of the number of base station antennas) while maintaining the same error performance when compared to a recently published OSDM method. Intensive computer simulations show that the proposed scheme promises to provide multiuser diversity in addition to user separation in the spatial domain so that both diversity and multiplexing can be obtained at the same time for multiuser scenario. © 2004 Hindawi Publishing Corporation.
Persistent Identifierhttp://hdl.handle.net/10722/48387
ISSN
2015 SCImago Journal Rankings: 0.326
References

 

DC FieldValueLanguage
dc.contributor.authorPan, Zen_HK
dc.contributor.authorWong, KKen_HK
dc.contributor.authorNg, TSen_HK
dc.date.accessioned2008-05-22T04:11:16Z-
dc.date.available2008-05-22T04:11:16Z-
dc.date.issued2004en_HK
dc.identifier.citationEurasip Journal On Wireless Communications And Networking, 2004, v. 2004 n. 2, p. 248-260en_HK
dc.identifier.issn1687-1472en_HK
dc.identifier.urihttp://hdl.handle.net/10722/48387-
dc.description.abstractIn contrast to dirty-paper coding (DPC) which is largely information theoretic, this paper proposes a linear codec that can spatially multiplex the multiuser signals to realize the rich capacity of multiple-input multiple-output (MIMO) downlink broadcast (point-to-multipoint) channels when channel state information (CSI) is available at the transmitter. Assuming single-stream (or single-mode) communication for each user, we develop an iterative algorithm, which is stepwise optimal, to obtain the multiuser antenna weights accomplishing orthogonal space-division multiplexing (OSDM). The steady state solution has a straightforward interpretation and requires only maximal-ratio combiners (MRC) at the mobile stations to capture the optimized spatial modes. Our main contribution is that the proposed scheme can greatly reduce the processing complexity (at least by a factor of the number of base station antennas) while maintaining the same error performance when compared to a recently published OSDM method. Intensive computer simulations show that the proposed scheme promises to provide multiuser diversity in addition to user separation in the spatial domain so that both diversity and multiplexing can be obtained at the same time for multiuser scenario. © 2004 Hindawi Publishing Corporation.en_HK
dc.format.extent777532 bytes-
dc.format.extent21377 bytes-
dc.format.mimetypeapplication/pdf-
dc.format.mimetypetext/plain-
dc.languageengen_HK
dc.publisherHindawi Publishing Corp. The Journal's web site is located at http://www.hindawi.com/journals/wcn/index.htmlen_HK
dc.relation.ispartofEurasip Journal on Wireless Communications and Networkingen_HK
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License-
dc.subjectDirty-paper codingen_HK
dc.subjectJoint-channel diagonalizationen_HK
dc.subjectMIMOen_HK
dc.subjectMultiuser communicationen_HK
dc.subjectOrthogonal space-division multiplexingen_HK
dc.titleAnalysis of multiuser MIMO downlink networks using linear transmitter and receiversen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=1687-1472&volume=2004&issue=2&spage=248&epage=260&date=2004&atitle=Analysis+of+Multiuser+MIMO+Downlink+Networks+Using+Linear+Transmitter+and+Receiversen_HK
dc.identifier.emailNg, TS:tsng@eee.hku.hken_HK
dc.identifier.authorityNg, TS=rp00159en_HK
dc.description.naturepublished_or_final_versionen_HK
dc.identifier.doi10.1155/S1687147204406045en_HK
dc.identifier.scopuseid_2-s2.0-14944386970en_HK
dc.identifier.hkuros105990-
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-14944386970&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume2004en_HK
dc.identifier.issue2en_HK
dc.identifier.spage248en_HK
dc.identifier.epage260en_HK
dc.publisher.placeUnited Statesen_HK
dc.identifier.scopusauthoridPan, Z=7402644862en_HK
dc.identifier.scopusauthoridWong, KK=7404759940en_HK
dc.identifier.scopusauthoridNg, TS=7402229975en_HK

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