Capacity analysis of a PMR system with DAB downlink

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buir.contributor.authorKöymen, Hayrettin
dc.citation.epage1158en_US
dc.citation.spage1153en_US
dc.contributor.authorŞengül, Ersinen_US
dc.contributor.authorCan, B.en_US
dc.contributor.authorAkar, Nailen_US
dc.contributor.authorİder, Yusuf Ziyaen_US
dc.contributor.authorKöymen, Hayrettinen_US
dc.coverage.spatialKemer, Antalya, Turkeyen_US
dc.date.accessioned2016-02-08T11:54:51Z
dc.date.available2016-02-08T11:54:51Z
dc.date.issued2003en_US
dc.departmentDepartment of Electrical and Electronics Engineeringen_US
dc.descriptionDate of Conference: 30 June-3 July 2003en_US
dc.descriptionConference Name: 8th IEEE Symposium on Computers and Communications, ISCC 2003en_US
dc.description.abstractSeveral trunked private mobile radio (PMR) systems have been designed over the last decade, most of which have symmetric downlink and uplink channel capacities. These systems may not be spectrally efficient in case of group or broadcast-based voice and data calls, a common feature of PMR systems. We propose a new asymmetric PMR system comprising a wideband OFDM-based downlink and a narrowband uplink, which not only achieves a better spectral efficiency but also can support high bit rate multimedia applications. The system is shown to have high trunking efficiency since all users are assumed to use the pool of channels available in the wideband downlink. In this paper, we study the performance and capacity of a private mobile radio system using a digital audio broadcasting (DAB) downlink. In particular, we study the efficiency of such a system for voice calls using voice activity detection and statistical multiplexing. Moreover, we show that, the efficiency of the system can significantly increase, if the incoming calls, which can not find an available channel, are allowed to wait a certain amount of time before occupying a channel.en_US
dc.identifier.doi10.1109/ISCC.2003.1214269en_US
dc.identifier.issn1530-1346
dc.identifier.urihttp://hdl.handle.net/11693/27492
dc.language.isoEnglishen_US
dc.publisherIEEEen_US
dc.relation.isversionofhttp://dx.doi.org/10.1109/ISCC.2003.1214269en_US
dc.source.titleProceedings of the 8th IEEE Symposium on Computers and Communications, ISCC 2003en_US
dc.subjectAvailable channelsen_US
dc.subjectCapacity analysisen_US
dc.subjectCommon featuresen_US
dc.subjectMultimedia applicationsen_US
dc.subjectPrivate mobile radio systemsen_US
dc.subjectSpectral efficienciesen_US
dc.subjectTrunking efficiencyen_US
dc.subjectVoice activity detectionen_US
dc.subjectCommunicationen_US
dc.subjectEfficiencyen_US
dc.subjectOrthogonal frequency division multiplexingen_US
dc.subjectRadio broadcastingen_US
dc.subjectSpeech recognitionen_US
dc.subjectMobile radio systemsen_US
dc.titleCapacity analysis of a PMR system with DAB downlinken_US
dc.typeConference Paperen_US

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