On the Asymptotic Performance of Multiple Antenna Channels with Fast Channel Feedback

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dc.citation.bibtexNamearticleen_US
dc.citation.journalTitleIEEE Transactions on Information Theoryen_US
dc.contributor.authorKhoshnevis, Ahmaden_US
dc.contributor.authorSabharwal, Ashutoshen_US
dc.contributor.orgCenter for Multimedia Communications (http://cmc.rice.edu/)en_US
dc.date.accessioned2007-10-31T00:50:05Z
dc.date.available2007-10-31T00:50:05Z
dc.date.issued2005-10-01
dc.date.modified2005-12-09en_US
dc.date.submitted2005-10-23en_US
dc.descriptionJournal Paperen_US
dc.description.abstractIn this paper, we analyze the asymptotic performance of multiple antenna channels where the transmitter has either perfect or finite bit channel state information. Using the diversitymultiplexing tradeoff to characterize the system performance, we demonstrate that channel feedback can fundamentally change the system behavior. Even one-bit of information can increase the diversity order of the system compared to the system with no transmitter information. In addition, as the amount of channel information at the transmitter increases, the diversity order for each multiplexing gain increases and goes to infinity for perfect transmitter information. The major reason for diversity order gain is a â location-dependentâ temporal power control, which adapts the power control strategy based on the average channel conditions of the channel.en_US
dc.identifier.citationA. Khoshnevis and A. Sabharwal, "On the Asymptotic Performance of Multiple Antenna Channels with Fast Channel Feedback," <i>IEEE Transactions on Information Theory,</i> 2005.
dc.identifier.doihttp://dx.doi.org/10.1109/T-WC.2008.070433en_US
dc.identifier.urihttps://hdl.handle.net/1911/20025
dc.language.isoeng
dc.subjectMIMO*
dc.subjectperfect feedback*
dc.subjectquantized feedback*
dc.subjectdiversity-multiplexing tradeoff*
dc.subjectpower control*
dc.subject.keywordMIMOen_US
dc.subject.keywordperfect feedbacken_US
dc.subject.keywordquantized feedbacken_US
dc.subject.keyworddiversity-multiplexing tradeoffen_US
dc.subject.keywordpower controlen_US
dc.titleOn the Asymptotic Performance of Multiple Antenna Channels with Fast Channel Feedbacken_US
dc.typeJournal article
dc.type.dcmiText
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