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Passive channel orthogonality measurement technique for MIMO SATCOM

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dc.contributor.authorRamamurthy, B.
dc.contributor.authorSchwarz, R.T.
dc.contributor.authorCowley, W.G.
dc.contributor.authorBolding, G.
dc.contributor.authorKnopp, A.
dc.contributor.conferenceIEEE Military Communications conference, MILCOM (29 Oct 2018 - 31 Oct 2018 : Los Angeles, United States)
dc.date.issued2019
dc.description.abstractSatellite Communication (SATCOM) links using geostationary satellites rely heavily on the line-of-sight (LOS) path to achieve a healthy link budget. Despite the LOS nature of the channel, recent research in the application of Multiple Input Multiple Output (MIMO) techniques in SATCOM have shown that an increase in channel capacity can be obtained using multiple antennas and satellites. In this paper we present a novel passive measurement technique to validate the orthogonality of a MIMO SATCOM channel matrix. The measurement method utilises existing downlinks from two satellites that have overlapping frequency coverage and beam footprints. Differential phase measurements are obtained using cross correlation analysis. These phase measurements are subsequently used to estimate the orthogonality of the MIMO SATCOM channel. Accuracy analysis of the technique plus simulated and measured results, are presented and discussed in this paper.
dc.identifier.citationIEEE Military Communications conference MILCOM proceedings, 2019, vol.2019, iss.8599690, pp.841-846
dc.identifier.doi10.1109/MILCOM.2018.8599690
dc.identifier.isbn9781538671856
dc.identifier.urihttps://hdl.handle.net/11541.2/136036
dc.language.isoen
dc.publisherIEEE
dc.publisher.placeUS
dc.rightsCopyright 2018 IEEE Access Condition Notes: Accepted manuscript is available open access
dc.source.urihttps://doi.org/10.1109/MILCOM.2018.8599690
dc.subjectMIMO systems
dc.subjectpassive measurements
dc.subjectcommunication satellites
dc.subjectmilitary communications
dc.subjectphase measurement
dc.titlePassive channel orthogonality measurement technique for MIMO SATCOM
dc.typeConference paper
pubs.publication-statusPublished
ror.fileinfo12177039460001831 13177039450001831 Passive channel orthogonalityPP.pdf
ror.mmsid9916263205501831

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