Keunhong Chae and Seokho Yoon
MLBased Blind Frequency Offset Estimation Schemes for OFDM Systems in NonGaussian Noise Environments
860 - 862
2014
8
6
International Journal of Electronics and Communication Engineering
https://publications.waset.org/pdf/9998481
https://publications.waset.org/vol/90
World Academy of Science, Engineering and Technology
This paper proposes frequency offset (FO) estimation
schemes robust to the nonGaussian noise for orthogonal frequency
division multiplexing (OFDM) systems. A maximumlikelihood (ML)
scheme and a lowcomplexity estimation scheme are proposed by
applying the probability density function of the cyclic prefix of
OFDM symbols to the ML criterion. From simulation results, it is
confirmed that the proposed schemes offer a significant FO estimation
performance improvement over the conventional estimation scheme
in nonGaussian noise environments.
Open Science Index 90, 2014