Throughput improvements for FHMA wireless data networks employing variable rate channel coding

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dc.contributor.authorPark, Andrew S.en
dc.contributor.departmentElectrical Engineeringen
dc.date.accessioned2014-03-14T21:28:22Zen
dc.date.adate2010-02-02en
dc.date.available2014-03-14T21:28:22Zen
dc.date.issued1996en
dc.date.rdate2010-02-02en
dc.date.sdate2010-02-02en
dc.description.abstractThe increasing need for secure, high throughput wireless data networks has led to a search for spectrally efficient wireless systems which make better use of the available bandwidth. We propose that greater spectral efficiency can be achieved in Frequency Hopped Multiple Access (FHMA) networks by improving the coding efficiency of these systems through a technique called Variable Rate Coding (VRC). With VRC, an adaptable code rate is employed during communication allowing a transmitter-receiver pair to adapt the amount of redundancy provided by an error correction code to the quality of the channel. This is opposed to a Fixed Rate Coding (FRC) scheme in which a fixed code rate is utilized to provide sufficient protection for the worst case channel conditions. If the quality of the channel can be accurately estimated during communication, we show that VRC can provide significant throughput advantages over traditional FRC schemes for non-orthogonally hopped FHMA networks.en
dc.description.degreeMaster of Scienceen
dc.format.extentviii, 105 leavesen
dc.format.mediumBTDen
dc.format.mimetypeapplication/pdfen
dc.identifier.otheretd-02022010-020311en
dc.identifier.sourceurlhttp://scholar.lib.vt.edu/theses/available/etd-02022010-020311/en
dc.identifier.urihttp://hdl.handle.net/10919/40913en
dc.language.isoenen
dc.publisherVirginia Techen
dc.relation.haspartLD5655.V851_1996.P375.pdfen
dc.relation.isformatofOCLC# 36828887en
dc.rightsIn Copyrighten
dc.rights.urihttp://rightsstatements.org/vocab/InC/1.0/en
dc.subjectfrequency hoppingen
dc.subjectFHMAen
dc.subjectvariable rate codingen
dc.subjectchannel codingen
dc.subject.lccLD5655.V851 1996.P375en
dc.titleThroughput improvements for FHMA wireless data networks employing variable rate channel codingen
dc.typeMaster's projecten
dc.type.dcmitypeTexten
thesis.degree.disciplineElectrical Engineeringen
thesis.degree.grantorVirginia Polytechnic Institute and State Universityen
thesis.degree.levelmastersen
thesis.degree.nameMaster of Scienceen

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