A Simplified Autocorrelation-Based Single Frequency Estimator

Young-Hwan YOU  Dae-Ki HONG  Sung-Jin KANG  Jang-Yeon LEE  Jin-Woong CHO  

IEICE TRANSACTIONS on Communications   Vol.E89-B   No.7   pp.2096-2098
Publication Date: 2006/07/01
Online ISSN: 1745-1345
DOI: 10.1093/ietcom/e89-b.7.2096
Print ISSN: 0916-8516
Type of Manuscript: LETTER
Category: Wireless Communication Technologies
frequency estimator,  autocorrelation function,  flat fading,  frequency range,  

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This letter proposes a low-complexity single frequency estimator for flat fading channels. The simplified estimator decreases the number of computations in the calculation of the autocorrelation function (AF) when compared to AF-based conventional estimators. The simplified estimator yields a comparable estimation performance to the existing estimators, while retaining the same frequency range.