Please use this identifier to cite or link to this item: https://scholarbank.nus.edu.sg/handle/10635/57267
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dc.titleResource allocation in downlink MIMO-OFDMA with proportional fairness
dc.contributor.authorDa, B.
dc.contributor.authorKo, C.C.
dc.date.accessioned2014-06-17T03:04:13Z
dc.date.available2014-06-17T03:04:13Z
dc.date.issued2009
dc.identifier.citationDa, B.,Ko, C.C. (2009). Resource allocation in downlink MIMO-OFDMA with proportional fairness. Journal of Communications 4 (1) : 8-13. ScholarBank@NUS Repository.
dc.identifier.issn17962021
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/57267
dc.description.abstractA new scheme for MIMO-OFDMA (Multiple Input Multiple Output - Orthogonal Frequency Division Multiple Access) downlink resource allocation is presented in this paper. It has an objective of maximizing the total system capacity while having constraints on the total available power and proportional fairness. Dominant eigen-channels obtained from MIMO state matrix are used to formulate this scheme with low complexity. It gives a tradeoff strategy among system capacity, computational complexity and proportional fairness. Simulation results show that this new adaptive allocation scheme can provide much better capacity gain than static allocation methods while achieve near optimal fairness of rate distribution with a linear complexity. As a result, it may be suitable for fulfilling diverse QoS requirements of MIMO-OFDMA systems. © 2009 Academy Publisher.
dc.sourceScopus
dc.subjectAdaptive resource allocation
dc.subjectDiverse QoS requirements
dc.subjectSISO/MIMO-OFDMA
dc.typeArticle
dc.contributor.departmentELECTRICAL & COMPUTER ENGINEERING
dc.description.sourcetitleJournal of Communications
dc.description.volume4
dc.description.issue1
dc.description.page8-13
dc.identifier.isiutNOT_IN_WOS
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