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http://dx.doi.org/10.5909/JBE.2013.18.3.474

Inter-carrier Interference Reduction Method Using Mask in a Fast Moving OFDM Receiver  

Gu, Young Mo (Department of Information & Communication)
Publication Information
Journal of Broadcast Engineering / v.18, no.3, 2013 , pp. 474-480 More about this Journal
Abstract
In orthogonal frequency division multiplexing system (OFDM), rapid channel variation caused by fast moving receiver leads to a loss of subcarrier orthogonality which results in inter-carrier interference (ICI) and receiver performance degradation. In conventional receivers, performance is enhanced by estimating ICI and removing it from received signals. In this paper, an ICI reduction scheme using a time-domain mask and adding is proposed. The proposed scheme is applied to DVB-T receiver to prove the Doppler mobile performance enhancement.
Keywords
OFDM; ICI; mask; DVB-T; Doppler;
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