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dc.contributor.authorLin, Jia-Shien_US
dc.contributor.authorFeng, Kai-Tenen_US
dc.date.accessioned2014-12-08T15:35:56Z-
dc.date.available2014-12-08T15:35:56Z-
dc.date.issued2014-03-01en_US
dc.identifier.issn1536-1276en_US
dc.identifier.urihttp://dx.doi.org/10.1109/TWC.2014.011514.121668en_US
dc.identifier.urihttp://hdl.handle.net/11536/24306-
dc.description.abstractIn recent years, femtocell plays an important role in wireless networks not only for its spectrum reuse but also for its low power consumption. However, there exist several critical issues that need to be investigated, especially for the interferences between the macrocell BSs (mBSs) and femtocell BSs (fBSs). The level of interference mainly depends on the access strategies of fBSs. Two major access policies are considered in femtocell network, including the closed access mode and open access mode. The closed access mode only permits authorized subscribers to utilize the fBS; while all users are allowed to connect to the fBS by adopting the open access mode. Closed access will intuitively be advantageous to the femtocell subscribers, however, interference from the fBS to mBS's users can become severe in the closed access mode than in open access mode. System performance of the entire heterogeneous network (HetNet) can be improved if fBS is operated in the open access mode. In order to relax the inflexible access strategies, hybrid access policy is considered in this paper which allows nonsubscribers to possess limited connections to the fBS. Two cell selection games for distinct scenarios are theoretically modeled to formulate the behaviors of nonsubscribers, and the existences of pure strategy Nash equilibria are also proven under feasible utility functions. From the perspectives of subscribers, HetNet system, and operator, numerical results suggest the adoption of hybrid access mode to provide higher flexibility for the performance enhancement.en_US
dc.language.isoen_USen_US
dc.subjectHeterogeneous networksen_US
dc.subjectfemtocell accessen_US
dc.subjectgame theoryen_US
dc.titleFemtocell Access Strategies in Heterogeneous Networks using a Game Theoretical Frameworken_US
dc.typeArticleen_US
dc.identifier.doi10.1109/TWC.2014.011514.121668en_US
dc.identifier.journalIEEE TRANSACTIONS ON WIRELESS COMMUNICATIONSen_US
dc.citation.volume13en_US
dc.citation.issue3en_US
dc.citation.spage1208en_US
dc.citation.epage1221en_US
dc.contributor.department電機資訊學士班zh_TW
dc.contributor.departmentUndergraduate Honors Program of Electrical Engineering and Computer Scienceen_US
dc.identifier.wosnumberWOS:000333538100006-
dc.citation.woscount0-
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