OFDM systems in the presence of phase noise: consequences and solutions
Songping Wu; Bar-Ness, Y.
Communications, IEEE Transactions on
Volume 52, Issue 11, Nov. 2004 Page(s): 1988 - 1996
Digital Object Identifier   10.1109/TCOMM.2004.836441
Summary: We provide an exact analysis of orthogonal frequency-division multiplexing (OFDM) performance in the presence of phase noise. Unlike most methods which assume small phase noise, we examine the general case for any phase noise levels. After deriving a closed-form expression for the signal-to-noise-plus-interference ratio (SINR), we exhibit the effects of phase noise by precisely expressing the OFDM system performance as a function of its critical parameters. This helps in understanding the meaning of small phase noise and how it reflects on the proper parameters selection of a specific OFDM system. In order to combat phase noise, we also provide in this paper a general phase-noise suppression scheme, which, by analytical and numerical results, proves to be quite effective in practice.

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