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Noise-Predictive Equalization for Unique-Word Based Single-Carrier Systems
Xiao-lin CHE Chen HE Ling-ge JIANG
IEICE TRANSACTIONS on Communications
Publication Date: 2006/06/01
Online ISSN: 1745-1345
Print ISSN: 0916-8516
Type of Manuscript: LETTER
Category: Wireless Communication Technologies
single carrier, frequency domain equalization, noise prediction,
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In this letter two noise-predictive equalization schemes, which are based on zero-forcing (ZF) and minimum mean square error (MMSE) criteria, are presented for unique-word (UW) based single-carrier systems. The correlation properties of the noises in the outputs of the frequency domain equalizer are exploited to predict and cancel the noise contained in the estimation of data. Theoretical analyses show that both of the proposed techniques perform better than the conventional frequency domain equalizers. Simulation results have confirmed the significant performance improvement they could achieve.