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dc.contributor.authorLópez Bueno, David
dc.contributor.authorWang, Teng
dc.contributor.authorGilabert Pinal, Pere Lluís
dc.contributor.authorMontoro López, Gabriel
dc.contributor.otherUniversitat Politècnica de Catalunya. Departament de Teoria del Senyal i Comunicacions
dc.identifier.citationLópez, D., Wang, T., Gilabert, Pere L., Montoro, G. Amping up, saving power. "IEEE microwave magazine", 01 Gener 2016, vol. 17, núm. 1, p. 79-87.
dc.description©2016 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
dc.description.abstractFourth-generation (4G) communication systems based on orthogonal frequency division multiplexing (OFDM) and the proposed backwards compatible fifth-generation (5G) variants, like filter-bank multicarrier (FBMC), are based on modulation techniques that allow significantly increased spectral efficiency and capacity in mobile radio access networks (RANs). However, the use of these modulation techniques impacts the requirements of the radio base stations, which have been traditionally the most energy-consuming element of mobile networks, accounting for up to 80% of the energy consumption of RANs [1]. Non-constant envelope-modulation techniques with high peak-to-average power ratios (PAPRs) require highly linear power amplifier (PA) amplitude and phase responses to fulfill stringent spectral mask and modulation accuracy requirements. This is often achieved with significant PA back-off, which considerably reduces PA efficiency because the PA's maximum efficiency is achieved near the saturation point.
dc.format.extent9 p.
dc.subjectÀrees temàtiques de la UPC::Enginyeria de la telecomunicació
dc.subject.lcshPower amplifiers
dc.subject.lcshOrthogonal frequency division multiplexing
dc.subject.otherDigital predistortion
dc.subject.otherRF power
dc.titleAmping up, saving power
dc.subject.lemacAmplificadors de potència
dc.subject.lemacMultiplexatge per divisió de freqüència
dc.contributor.groupUniversitat Politècnica de Catalunya. CSC - Components and Systems for Communications Research Group
dc.description.peerreviewedPeer Reviewed
dc.rights.accessOpen Access
dc.description.versionPostprint (author's final draft)
dc.relation.projectidinfo:eu-repo/grantAgreement/EC/FP7/318306/EU/Network of Excellence in Wireless COMmunications #/NEWCOM#
local.citation.authorLópez, D.; Wang, T.; Gilabert, Pere L.; Montoro, G.
local.citation.publicationNameIEEE microwave magazine

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