On OFDM link performance under receiver phase noise with arbitrary spectral shape

This article addresses the signal distortion caused by receiver phase noise (PN) on OFDM waveforms in direct-conversion radio receivers. A closed-form solution for the observed signal-to-interference-plus-noise ratio (SINR) is derived, describing the level of intercarrier interference (ICI) stemming...

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Bibliographic Details
Main Authors: Syrjala, V, Valkama, M, Yaning Zou, Tchamov, N N, Rinne, J
Format: Conference Proceeding
Language:English
Subjects:
Discrete Fourier transforms
Inter-carrier interference
Interference
OFDM
performance analysis
Phase noise
Receivers
Signal to noise ratio
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Summary:This article addresses the signal distortion caused by receiver phase noise (PN) on OFDM waveforms in direct-conversion radio receivers. A closed-form solution for the observed signal-to-interference-plus-noise ratio (SINR) is derived, describing the level of intercarrier interference (ICI) stemming from PN. Compared to existing literature, the analysis is valid for arbitrary oscillator spectral shape, the only assumption being that reasonably small phase noise values are observed. The analysis results can be used to derive practical circuit-level oscillator design criteria in terms of the allowable PN spectral density. The applicability and validity of the derived analysis are verified with extensive computer simulations.
ISSN:1525-3511
1558-2612
DOI:10.1109/WCNC.2011.5779457