Please use this identifier to cite or link to this item: https://doi.org/10.1109/LSP.2005.861583
Title: Blind maximum likelihood CFO estimation for OFDM systems via polynomial rooting
Authors: Gao, F.
Nallanathan, A. 
Keywords: Blind carrier frequency offset (CFO) estimation
Orthogonal frequency division multiplexing (OFDM)
Polynomial rooting
Virtual carriers
Issue Date: Feb-2006
Source: Gao, F., Nallanathan, A. (2006-02). Blind maximum likelihood CFO estimation for OFDM systems via polynomial rooting. IEEE Signal Processing Letters 13 (2) : 73-76. ScholarBank@NUS Repository. https://doi.org/10.1109/LSP.2005.861583
Abstract: The blind carrier frequency offset estimation problem has been well studied by exploiting the virtual carriers existing in practical orthogonal frequency division multiplexing transmissions. A highly efficient approach by rooting a polynomial has been proposed in the literature. However, this rooting method is suboptimal when noise is present. In this letter, we propose an improved polynomial rooting method that is shown to be the maximum likelihood estimator for both the noisy and the noise-free case. © 2006 IEEE.
Source Title: IEEE Signal Processing Letters
URI: http://scholarbank.nus.edu.sg/handle/10635/55218
ISSN: 10709908
DOI: 10.1109/LSP.2005.861583
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