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Maximum Likelihood Estimation of Integer Frequency Offset in OFDM Systems
Geun Bae KIM Dongweon YOON Sang Kyu PARK Kyunghwan CHA
IEICE TRANSACTIONS on Communications
Publication Date: 2007/10/01
Online ISSN: 1745-1345
Print ISSN: 0916-8516
Type of Manuscript: LETTER
Category: Wireless Communication Technologies
ML estimation, frequency offset estimation, OFDM,
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This letter presents a simple maximum likelihood (ML) estimation method with one training symbol for the integer frequency offset (IFO) in orthogonal frequency division multiplexing (OFDM) systems. We show that the proposed method performs better than the conventional one through Monte Carlo simulations.