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|Title:||Blind maximum likelihood CFO estimation for OFDM systems via polynomial rooting|
|Keywords:||Blind carrier frequency offset (CFO) estimation|
Orthogonal frequency division multiplexing (OFDM)
|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|
|Appears in Collections:||Staff Publications|
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