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AuthorSamara, Lutfi
AuthorSyrjala, Ville
AuthorHamila, Ridha
AuthorValkama, Mikko
Available date2016-05-01T13:33:01Z
Publication Date2014
Publication NameISCCSP 2014 - 2014 6th International Symposium on Communications, Control and Signal Processing, Proceedings
CitationL. Samara, V. Syrj?l?, R. Hamila and M. Valkama, "Phase noise mitigation in OFDMA uplink," Communications, Control and Signal Processing (ISCCSP), 2014 6th International Symposium on, Athens, 2014, pp. 344-347.
AbstractThis paper addresses the problem of the phase noise induced spectral spread in an OFDMA uplink scenario. Accompanied with power differences between the users at the receiver in a multiuser case, the phase noise induced spread causes performance degradation for users with low signal powers. This paper proposes a receiver-side digital signal processing methods to estimate and mitigate the spread caused by the transmitter-side phase noise. The introduced methods show a significant gain when compared with other conventional phase noise estimation and mitigation methods that are not designed especially for the multiuser scenario.
SponsorQatar National Research Fund (QNRF), Grant NPRP 09-062-2-035 and by Qatar University Internal Grant, QUUG-CENG-DEE-11\12-1.
SubjectPhase Noise
TitlePhase noise mitigation in OFDMA uplink
TypeConference Paper

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