清理策略下有優(yōu)先權的重試排隊系統(tǒng).pdf

1、北京交通大學碩士學位論文清理策略下有優(yōu)先權的重試排隊系統(tǒng)姓名：李欣欣申請學位級別：碩士專業(yè)：概率論與數(shù)理統(tǒng)計指導教師：王金亭20080501ABSTRACT：ABSTRACTInthispapertwomodelsonM2／G2／1retrialqueuewithnegativearrivalsandprioritycustomersarestudiedundertheclearingpolicyQueuingsystemsbasedo

2、ncustomers’retrialbehavioraresteppedfromthestudyoftelephoneserviceproblemsDuetotheirreasonableassumptionsaswellaSwidelyappliedbackgroundinmoderntelecommunicationnetworks，computersystems，telephoneswitchingsystemsandsupply

3、chainmanagement，retrialqueuingsystemshaveattractedtheextensiveattentionofnumerousexpertsandscholarsintherecenttwentyyearsThenegativecustomerisakindofspecialcustomersuchassignalinterferenceintelecommunicationnetworksandth

4、einfluenceofvirusincomputernetworksThecombinationofthenegativecustomerandqueuingsystemisanewresearchareaInaddition，retrialqueuingsystemwithprioritysubscribershasbeenattachedgreatattentionofmanyresearchersInthetelecommuni

5、cationsystem，electricalandcomputersystems，somecustomersshouldbegivenpdorityserviceTherefore，thestudyofthiskindofqueuingsystemisofgreatimportanceInthethesis，prioritycustomersandnon—prioritycustomersarriveaccordingtotwodif

6、ferentindependentPoissonflowsInthecaseofblockingtheprioritycustomersCanbequeuedwhereasthenonprioritycustomersmustleavetheserviceareabutreturnaftersomerandomperiodoftimetotrytheirluckagainBesides，wealsoconsidertheinfluenc

7、eofthearrivalofnegativecustomers，whichdeleteallprioritycustomersinthesystemUsingasupplementaryvariablemethod，wegetsomeindexesforbothqueuingandreliabilitymeasuresofinterestKEYWORDS：RetrialQueues；NegativeCustomers；Priority