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dc.contributor.authorDeshmukh, Mrugen A.
dc.contributor.authorWilson, Stephen G.
dc.date.accessioned2019-11-12T18:59:05Z
dc.date.available2019-11-12T18:59:05Z
dc.date.issued2019-10
dc.identifier.issn0884-5123
dc.identifier.issn0074-9079
dc.identifier.urihttp://hdl.handle.net/10150/635236
dc.description.abstractWe consider the application of LDPC codes for improving performance in multi-channel (spectrum aggregation) for air-to-ground telemetry, by virtue of frequency diversity available on a wideband frequency-selective multipath channel. Our particular interest is in use of multi-channel OFDM transmission on “white spots” in the microwave spectrum. Each such channel is subject to frequency-selective fading over its bandwidth (typically a few MHz) due to multipath, for which typical OFDM equalization is standard. However, some subcarriers within this OFDM channel may experience deep fading at the output of the equalizer, rendering the symbol error probability poor relative to that on an AWGN channel at the same average SNR. We study simulated performance on a multipath channel described by the ETU fading model. Specific performance reported includes error rate of LDPC coding constrained to a single channel (effective diversity order roughly 2) and error rate of coding across eight channels (diversity order roughly 5). Further, performance on this dispersive fading channel is only about 3 dB worse than that on a no-multipath channel, at block error probability 0:01.
dc.description.sponsorshipInternational Foundation for Telemetering
dc.language.isoen_US
dc.publisherInternational Foundation for Telemetering
dc.relation.urlhttp://www.telemetry.org/
dc.rightsCopyright © held by the author; distribution rights International Foundation for Telemetering
dc.titleLDPC CODING FOR FREQUENCY DIVERSITY IN MULTI-CHANNEL AIR-TO-GROUND TELEMETRY
dc.typetext
dc.typeProceedings
dc.contributor.departmentUniv Virginia, Dept Electrical and Computer Engineering
dc.identifier.journalInternational Telemetering Conference Proceedings
dc.description.collectioninformationProceedings from the International Telemetering Conference are made available by the International Foundation for Telemetering and the University of Arizona Libraries. Visit http://www.telemetry.org/index.php/contact-us if you have questions about items in this collection.
refterms.dateFOA2019-11-12T18:59:05Z


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