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Receiver DSP for OFDM Systems Impaired by Transmitter and Receiver Phase Noise

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Original languageEnglish
Title of host publicationICC 2011 - 2011 IEEE International Conference on Communications, June 5-9, 2011, Kyoto, Japan
Place of PublicationPiscataway, NJ
Number of pages6
ISBN (Print)978-1-61284-232-5
Publication statusPublished - 2011
Publication typeA4 Article in a conference publication
EventIEEE International Conference on Communications -
Duration: 1 Jan 2000 → …

Publication series

NameIEEE International Conference on Communications ICC
ISSN (Print)1550-3607


ConferenceIEEE International Conference on Communications
Period1/01/00 → …


This paper proposes a time-domain digital signal processing method for estimating and mitigating transmitter and receiver oscillator phase-noise effects in OFDM radio systems on the receiver side of the link. The idea is based on re-constructing time-domain OFDM signal at the receiver from initially detected symbols and using this as a reference in phase noise estimation. The knowledge of heavily low-pass nature of realistic phase noise processes is then utilized in the estimation process to improve the estimation quality. The algorithm can also be used iteratively, inside individual OFDM symbols, to further improve the accuracy of the obtained phase noise estimate. Performance analysis shows that the proposed algorithm outperforms existing state-of-the-art phase noise mitigation techniques, under both additive white Gaussian noise and extended ITU-R Vehicular A multipath channels.

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