Parallel Digital Predistortion Design on Mobile GPU and Embedded Multicore CPU for Mobile Transmitters

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dc.citation.firstpage417en_US
dc.citation.issueNumber3en_US
dc.citation.journalTitleJournal of Signal Processing Systemsen_US
dc.citation.lastpage430en_US
dc.citation.volumeNumber89en_US
dc.contributor.authorLi, Kaipengen_US
dc.contributor.authorGhazi, Amanullahen_US
dc.contributor.authorTarver, Chanceen_US
dc.contributor.authorJuntti, Markkuen_US
dc.contributor.authorBoutellier, Janien_US
dc.contributor.authorAbdelaziz, Mahmouden_US
dc.contributor.authorAnttila, Laurien_US
dc.contributor.authorJuntti, Markkuen_US
dc.contributor.authorValkama, Mikkoen_US
dc.contributor.authorCavallaro, Joseph R.en_US
dc.date.accessioned2017-12-13T15:02:27Zen_US
dc.date.available2017-12-13T15:02:27Zen_US
dc.date.issued2017en_US
dc.description.abstractDigital predistortion (DPD) is a widely adopted baseband processing technique in current radio transmitters. While DPD can effectively suppress unwanted spurious spectrum emissions stemming from imperfections of analog RF and baseband electronics, it also introduces extra processing complexity and poses challenges on efficient and flexible implementations, especially for mobile cellular transmitters, considering their limited computing power compared to basestations. In this paper, we present high data rate implementations of broadband DPD on modern embedded processors, such as mobile GPU and multicore CPU, by taking advantage of emerging parallel computing techniques for exploiting their computing resources. We further verify the suppression effect of DPD experimentally on real radio hardware platforms. Performance evaluation results of our DPD design demonstrate the high efficacy of modern general purpose mobile processors on accelerating DPD processing for a mobile transmitter.en_US
dc.identifier.citationLi, Kaipeng, Ghazi, Amanullah, Tarver, Chance, et al.. "Parallel Digital Predistortion Design on Mobile GPU and Embedded Multicore CPU for Mobile Transmitters." <i>Journal of Signal Processing Systems,</i> 89, no. 3 (2017) Springer: 417-430. https://doi.org/10.1007/s11265-017-1233-y.en_US
dc.identifier.digitalJSPS_DPD_GPU_Kaipeng_1612.09001en_US
dc.identifier.doihttps://doi.org/10.1007/s11265-017-1233-yen_US
dc.identifier.urihttps://hdl.handle.net/1911/98877en_US
dc.language.isoengen_US
dc.publisherSpringeren_US
dc.rightsThis is an author's peer-reviewed final manuscript, as accepted by the publisher. The published article is copyrighted by Springer.en_US
dc.subject.keyworddigital predistortionen_US
dc.subject.keywordsoftware-defined radioen_US
dc.subject.keywordmobile SoCen_US
dc.subject.keywordCUDAen_US
dc.subject.keywordNEON SIMDen_US
dc.titleParallel Digital Predistortion Design on Mobile GPU and Embedded Multicore CPU for Mobile Transmittersen_US
dc.typeJournal articleen_US
dc.type.dcmiTexten_US
dc.type.publicationpost-printen_US
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