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dc.contributor.authorWalree, Paul van
dc.contributor.authorOtnes, Roald Wilhelm
dc.date.accessioned2013-12-19T11:39:13Z
dc.date.accessioned2016-03-10T07:27:45Z
dc.date.available2013-12-19T11:39:13Z
dc.date.available2016-03-10T07:27:45Z
dc.date.issued2013
dc.identifier.citationIEEE Journal of Oceanic Engineering 2013;38(4):678-688en_GB
dc.identifier.urihttps://ffi-publikasjoner.archive.knowledgearc.net/handle/20.500.12242/32
dc.descriptionWalree, Paul van; Otnes, Roald Wilhelm. Ultrawideband Underwater Acoustic Communication Channels. IEEE Journal of Oceanic Engineering 2013 ;Volum 38.(4) s. 678-688en_GB
dc.description.abstractTraditional channel models for communications research are designed for narrowband systems. Underwater acoustic communication systems use a bandwidth that is not small compared with the center frequency of the signal and qualify as ultrawideband (UWB) in a relative sense. In this paper, measurements and analysis of acoustic propagation effects demonstrate the shortcomings of narrowband channel models. These effects are frequency-dependent fluctuation rates and frequency-dependent attenuation, where the frequency dependence of the attenuation differs between paths. This frequency selectivity of the medium violates the assumption of uncorrelated taps and requires a UWB channel model. It is also shown that correlative channel sounders preserve wideband properties, which renders them suitable for UWB channel simulation based on the principle of direct replay.en_GB
dc.language.isoenen_GB
dc.subjectUndervannsakustikk
dc.subjectUltrabredbånd (UWB)
dc.titleUltrawideband underwater acoustic communication channelsen_GB
dc.typeArticleen_GB
dc.date.updated2013-12-19T11:39:13Z
dc.identifier.cristinID1057117
dc.identifier.doi10.1109/JOE.2013.2253391
dc.source.issn0364-9059
dc.type.documentJournal article


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