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dc.contributor.authorFang, YGen_US
dc.contributor.authorChlamtac, Ien_US
dc.contributor.authorLin, YBen_US
dc.date.accessioned2014-12-08T15:48:58Z-
dc.date.available2014-12-08T15:48:58Z-
dc.date.issued1998-06-01en_US
dc.identifier.issn0018-9340en_US
dc.identifier.urihttp://dx.doi.org/10.1109/12.689647en_US
dc.identifier.urihttp://hdl.handle.net/11536/32571-
dc.description.abstractThis paper presents a study of channel occupancy times and handoff rate for mobile computing in MC (Mobile Computing) and PCS (Personal Communications Services) networks, using general operational assumptions. It is shown that, for exponentially distributed call holding times, a distribution more appropriate for conventional voice telephony, the channel occupancy times are exponentially distributed if and only if the cell residence times are exponentially distributed. It is further shown that the merged traffic from new calls and handoff calls is Poisson ii and only if the cell residence times are exponentially distributed, too. When cell residence times follow a general distribution, a more appropriate way to model mobile computing sessions, new formulae for channel occupancy time distributions are obtained. Moreover, when the call holding times and the cell residence times have general (nonlattice) distributions, general formulae for computing the handoff rate during a call connection and handoff call arrival rate to a cell are given. Our analysis illustrates why the exponential assumption for call holding time results in the underestimation of handoff rate, which then leads to the actual blocking probabilities being higher than the blocking probabilities for MC/PCS networks designed using the exponential distribution approximation for call holding time. The analytical results presented in this paper can be expected to play a significant role in teletraffic analysis and system design for MC/PCS networks.en_US
dc.language.isoen_USen_US
dc.subjectPCSen_US
dc.subjectmobile computingen_US
dc.subjectcall holding timeen_US
dc.subjectcell residence timesen_US
dc.subjectcall blockingen_US
dc.subjecthandoff rateen_US
dc.subjectchannel occupancy timesen_US
dc.titleChannel occupancy times and handoff rate for mobile computing and PCS networksen_US
dc.typeArticleen_US
dc.identifier.doi10.1109/12.689647en_US
dc.identifier.journalIEEE TRANSACTIONS ON COMPUTERSen_US
dc.citation.volume47en_US
dc.citation.issue6en_US
dc.citation.spage679en_US
dc.citation.epage692en_US
dc.contributor.department資訊工程學系zh_TW
dc.contributor.departmentDepartment of Computer Scienceen_US
dc.identifier.wosnumberWOS:000074453400005-
dc.citation.woscount134-
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