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Coherent orthogonal frequency division multiple access (OFDM) systems are highly sensitive to the carrier frequency offset (CFO) and the channel estimation errors. In this paper, we develop a novel scheme for joint carrier frequency offset and channel estimation in a Rayleigh flat-fading channel. Unlike existing alternatives, the proposed CFO estimators relying on second-order statistics of OFDM signals...
`Ubiquitous Computing' was appeared first time by Mark Weiser in 1988. Recently, as basic technologies for realization are offered and technical necessity is appeared, various researches are progressed about this. Various forms of technologies are needed to satisfy ubiquitous computing environment, such as home networking, telematics, industry automation and so on. Particularly, in the industry automation...
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