Performance analysis of low-complexity dual-cell random beamforming transmission with user scheduling

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dc.contributor.authorZhu, Jun
dc.contributor.authorYang, Hong-Chuan
dc.date.accessioned2014-06-04T22:36:58Z
dc.date.available2014-06-04T22:36:58Z
dc.date.copyright2011en_US
dc.date.issued2011-12-01
dc.descriptionSpringerOpenen_US
dc.description.abstractIn this paper, we study three low-complexity random beamforming transmission schemes for dual-cell multiuser multi-input-single-output systems. Among them, selfish random beamforming and interference-aware random beamforming need no information exchange between cells, while random beamforming with limited coordination (LC-RB) selects the beamforming vector and users with the help of a small amount of overhead signaling. We develop the exact analytical expressions of the ergodic sum-rate for the resulting systems, based on which, we compare the performance of the proposed schemes in dual-cell environment. We show through selected numerical examples that LC-RB achieves tremendous performance gain over the other schemes, especially when users are populated along the cell boundary, while only requiring beam index sharing between base stations. Furthermore, we propose an adaptive implementation strategy for the more general scenario, where users are arbitrarily distributed within the cell.en_US
dc.description.reviewstatusRevieweden_US
dc.description.scholarlevelFacultyen_US
dc.description.sponsorshipThis work was supported in part by startup funds from the University of Victoria and in part by a Discovery Grant from NSERC.en_US
dc.identifier.citationZhu and Yang: Performance analysis of low-complexity dual-cell random beamforming transmission with user scheduling. EURASIP Journal on Wireless Communications and Networking 2011. 2011:191.en_US
dc.identifier.urihttp://jwcn.eurasipjournals.com/content/2011/1/191
dc.identifier.urihttp://dx.doi.org/10.1186/1687-1499-2011-191
dc.identifier.urihttp://hdl.handle.net/1828/5432
dc.language.isoenen_US
dc.publisherHindawi Publishing Corporationen_US
dc.subjectnetwork-MIMOen_US
dc.subjectcoordinated beamformingen_US
dc.subjectcodebooken_US
dc.titlePerformance analysis of low-complexity dual-cell random beamforming transmission with user schedulingen_US
dc.typeArticleen_US

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