Interference cancellation in multiuser hybrid overlay cognitive radio

dc.contributor.authorFere´, Guillaume
dc.contributor.authorAbdou, Ahmad
dc.contributor.authorGrivel, Eric
dc.contributor.authorNajim, Mohamed
dc.date.accessioned2018-08-19T17:53:19Z
dc.date.available2018-08-19T17:53:19Z
dc.date.issued2013-09-13
dc.description.abstractIn this paper, we consider an overlay cognitive radio (CR) consisting of a primary macro-cell and cognitive small cells of cooperative secondary base stations (SBS).We suggest studying a hybrid CR where a filter bank multicarrier (FBMC) is used for the secondary users (SU) whereas the primary users (PU) are based on orthogonal frequency division multiplexing (OFDM). Compared to OFDM, FBMC has the advantage of reducing the SU interference level that is induced by the differences between the SBS and PU carrier frequency offsets (CFO). Our contribution is threefold: 1/ we derive the interference expression due to SU at the PU receiver, 2/ we propose to use zero forcing beamforming (ZFBF) to cancel the interference, 3/ a comparative study with CR based on OFDM for both the PU and the SU confirms the efficiency of the proposed scheme.en_US
dc.identifier.urihttps://dspace.alquds.edu/handle/20.500.12213/758
dc.language.isoen_USen_US
dc.publisher21st European Signal Processing Conference (EUSIPCO 2013)en_US
dc.subjectoverlay CRen_US
dc.subjectOFDMen_US
dc.subjectFBMCen_US
dc.subjectZFBFen_US
dc.titleInterference cancellation in multiuser hybrid overlay cognitive radioen_US
dc.typeArticleen_US
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