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- W2158440140 abstract "Channel estimation iscritical forcoherent detection in OFDM systems. Inpilot symbol aided channel estimation methods, theLSchannel estimation canbeviewed asa noisy observation ofthetrue channel frequency response, sothenoise component canbecompressed through signal subspace projecting. Inthis paper, wefocus onparametric channel estimation methodcombined withsubspace projecting. First, we estimate thesignal spaceofthe OFDM system, andthenwecanuseESPRITmethod to estimate themultipath delay ofwireless channel, finally weusesubspace projecting togetmoreaccurate channel estimation. Whenthechannel multipath delays varywith time, thesignal subspace should betracked tokeepthe efficiency ofchannel estimation. Computer simulations showthat theperformance ofourmethod ismuchbetter thantraditional channel estimation methodsandits nonparametric counterpart." @default.
- W2158440140 created "2016-06-24" @default.
- W2158440140 creator A5022965276 @default.
- W2158440140 date "2006-01-01" @default.
- W2158440140 modified "2023-09-27" @default.
- W2158440140 title "PARAMETRIC CHANNEL ESTIMATIONFOR OFDM SYSTEMSINTIME-VARYING ENVIRONMENT BASED ON SUBSPACEPROJECTINGAND TRACKING" @default.
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- W2158440140 hasPublicationYear "2006" @default.
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