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Multiple-input multiple-output symbol rate signal digital predistorter for non-linear multi-carrier satellite channels
Högskolan i Gävle, Akademin för teknik och miljö, Avdelningen för elektronik, matematik och naturvetenskap, Elektronik. Dept. of Signal Processing, KTH Royal Institute of Technology, Stockholm, Sweden .ORCID-id: 0000-0001-8460-6509
Interdisciplinary Centre for Security, Reliability and Trust (SnT), University of Luxembourg, Luxembourg.
Interdisciplinary Centre for Security, Reliability and Trust (SnT), University of Luxembourg, Luxembourg.
Högskolan i Gävle, Akademin för teknik och miljö, Avdelningen för elektronik, matematik och naturvetenskap, Elektronik.ORCID-id: 0000-0003-2887-049X
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2015 (engelsk)Inngår i: IET Communications, ISSN 1751-8628, E-ISSN 1751-8636, Vol. 9, nr 16, s. 2053-2059Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

A digital predistortion (DPD) scheme is presented for non-linear distortion mitigation in multi-carrier satellite communication channels. The proposed DPD has a multiple-input multiple-output architecture similar to data DPD schemes. However, it enhances the mitigation performance of data DPDs using a multi-rate processing algorithm to achieve spectrum broadening of non-linear operators. Compared to single carrier (single-input single-output) signal (waveform) DPD schemes, the proposed DPD has lower digital processing rate reducing the required hardware cost of the predistorter. The proposed DPD outperforms, in total degradation, both data and signal DPD schemes. Further, it performs closest to a channel bound described by an ideally mitigated channel with limited maximum output power.

sted, utgiver, år, opplag, sider
2015. Vol. 9, nr 16, s. 2053-2059
Emneord [en]
multirate processing algorithm, data DPD schemes, digital predistortion scheme, multiple-input multiple-output symbol rate signal digital predistorter, nonlinear multicarrier satellite communication channels
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Identifikatorer
URN: urn:nbn:se:hig:diva-20616DOI: 10.1049/iet-com.2015.0176ISI: 000364208600015Scopus ID: 2-s2.0-84946706060OAI: oai:DiVA.org:hig-20616DiVA, id: diva2:872612
Tilgjengelig fra: 2015-11-19 Laget: 2015-11-19 Sist oppdatert: 2018-03-13bibliografisk kontrollert

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