Joint Carrier Frequency Offset and Channel Estimation for OFDM Systems via the EM Algorithm in the Presence of Very High Mobility

In this paper, the problem of joint carrier frequency offset (CFO) and channel estimation for OFDM systems over the fast time-varying frequency-selective channel is explored within the framework of the expectation-maximization (EM) algorithm and parametric channel model. Assuming that the path delay...

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Veröffentlicht in:	IEEE transactions on signal processing 2012-02, Vol.60 (2), p.754-765
Hauptverfasser:	Simon, Eric Pierre, Ros, Laurent, Hijazi, Hussein, Ghogho, Mounir
Format:	Artikel
Sprache:	eng
Schlagworte:	Algorithms Applied sciences Boundary element method Carrier frequencies Channel estimation Channels Computer Science Context Delay Detection, estimation, filtering, equalization, prediction Engineering Sciences Estimation Exact sciences and technology Information, signal and communications theory Joints Mathematical analysis Multiplexing OFDM Offsets Orthogonal Frequency Division Multiplexing Signal and communications theory Signal and Image processing Signal, noise Symbols Telecommunications and information theory time-varying channels Vectors
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