Power Allocation and Low Complexity Detector for Differential Full Diversity Spatial Modulation Using Two Transmit Antennas

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dc.contributor.authorDwarika, Kavishaur
dc.contributor.authorXu, Hongjun
dc.coverage.issue2cs
dc.coverage.volume26cs
dc.date.accessioned2017-07-25T08:20:35Z
dc.date.available2017-07-25T08:20:35Z
dc.date.issued2017-06cs
dc.description.abstractDifferential full diversity spatial modulation (DFD-SM) is a differential spatial modulation scheme that makes use of a cyclic unitary M-ary phase shift keying (M-PSK) constellation to achieve diversity gains at both the transmitter and receiver. In this paper, we extend the power allocation concept of generalized differential modulation (GDM) to DFD-SM to improve its block-error rate (BLER). A novel power allocation scheme is formulated, and its optimum power allocation is derived. An asymptotic upper bound is presented for the new scheme and results are verified through Monte Carlo simulations. It can be seen that for a large enough frame length, the proposed scheme can almost achieve coherent performance. We also propose a low complexity detection scheme for DFD-SM. We evaluate the computational complexity of the maximum-likelihood (ML) detector and compare it to that of the proposed algorithm. It is shown that our scheme is independent of the constellation size. Numerical simulations of the BLER are presented, and it can be seen that the proposed scheme provides near ML performance throughout the entire signal-to-noise ratio (SNR) range with a complexity reduction of about 55% and 52% for one and two receive antennas respectively, in the high SNR region.en
dc.formattextcs
dc.format.extent461-469cs
dc.format.mimetypeapplication/pdfen
dc.identifier.citationRadioengineering. 2017 vol. 26, č. 2, s. 461-469. ISSN 1210-2512cs
dc.identifier.doi10.13164/re.2017.0461en
dc.identifier.issn1210-2512
dc.identifier.urihttp://hdl.handle.net/11012/69264
dc.language.isoencs
dc.publisherSpolečnost pro radioelektronické inženýrstvícs
dc.relation.ispartofRadioengineeringcs
dc.relation.urihttps://www.radioeng.cz/fulltexts/2017/17_02_0461_0469.pdfcs
dc.rightsCreative Commons Attribution 4.0 International Licenseen
dc.rights.accessopenAccessen
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/en
dc.subjectSpatial Modulation (SM)en
dc.subjectdifferential spatial modulation (DSM)en
dc.subjectfull transmit diversityen
dc.subjectmaximumlikelihood (ML) decodingen
dc.subjectcomputational complexityen
dc.titlePower Allocation and Low Complexity Detector for Differential Full Diversity Spatial Modulation Using Two Transmit Antennasen
dc.type.driverarticleen
dc.type.statusPeer-revieweden
dc.type.versionpublishedVersionen
eprints.affiliatedInstitution.facultyFakulta eletrotechniky a komunikačních technologiícs
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