New Concept of PLC Modems: Multi-Carrier System for Frequency Selective Slow-Fading Channels Based on Layered SCCC Turbocodes

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dc.contributor.authorZavrtalek, Jan
dc.contributor.authorKekrt, Daniel
dc.contributor.authorHrad, Jaromir
dc.coverage.issue3cs
dc.coverage.volume24cs
dc.date.accessioned2015-10-26T08:05:46Z
dc.date.available2015-10-26T08:05:46Z
dc.date.issued2015-09cs
dc.description.abstractThe article introduces a novel concept of a PLC modem as a complement to the existing G3 and PRIME standards for communications using medium- or high-voltage overhead or cable lines. The proposed concept is based on the fact that the levels of impulse noise and frequency selectivity are lower on high-voltage lines than on low-voltage ones. Also, the demands for “cost-effective” circuitry design are not so crucial as in the case of modems for low-voltage level. In contract to these positive conditions, however, there is the need to overcome much longer distances and to take into account low SNR on the receiving side. With respect to the listed reasons, our concept makes use of MCM, instead of OFDM. The assumption of low SNR is compensated through the use of an efficient channel coding based on a serially concatenated turbo code. In addition, MCM offers lower latency and PAPR compared to OFDM. Therefore, when using MCM, it is possible to excite the line with higher power. The proposed concept has been verified during experimental transmission of testing data over a real, 5 km long, 22kV overhead line.en
dc.formattextcs
dc.format.extent857-872cs
dc.format.mimetypeapplication/pdfen
dc.identifier.citationRadioengineering. 2015 vol. 24, č. 3, s. 857-872. ISSN 1210-2512cs
dc.identifier.doi10.13164/re.2015.0857en
dc.identifier.issn1210-2512
dc.identifier.urihttp://hdl.handle.net/11012/51755
dc.language.isoencs
dc.publisherSpolečnost pro radioelektronické inženýrstvícs
dc.relation.ispartofRadioengineeringcs
dc.relation.urihttp://www.radioeng.cz/fulltexts/2015/15_03_0857_0872.pdfcs
dc.rightsCreative Commons Attribution 3.0 Unported Licenseen
dc.rights.accessopenAccessen
dc.rights.urihttp://creativecommons.org/licenses/by/3.0/en
dc.subjectPower line communicationen
dc.subjectmulti-carrier modulationen
dc.subjectserially concatenated convolutional codesen
dc.subjectIterative detectionen
dc.subjectBCJR forward-backward algorithmen
dc.subjectsoft-output Viterbi algorithmen
dc.subjectsoft-in soft-out moduleen
dc.subjectexpectation-maximization algorithmen
dc.subjectsoft decisionen
dc.titleNew Concept of PLC Modems: Multi-Carrier System for Frequency Selective Slow-Fading Channels Based on Layered SCCC Turbocodesen
dc.type.driverarticleen
dc.type.statusPeer-revieweden
dc.type.versionpublishedVersionen
eprints.affiliatedInstitution.facultyFakulta eletrotechniky a komunikačních technologiícs
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