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Finite Capacity Energy Efficient Femtocell Network

Journal: Mehran University Research Journal of Engineering and Technology (Vol.33, No. 2)

Publication Date:

Authors : ; ;

Page : 245-252

Keywords : Capacity; Energy; Femtocell Access Point; Matrix Geometric Method; Quality of Service.;

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This paper presents the performance analysis of a finite capacity energy efficient femtocell network. A FAP (Femtocell Access Point) provides continuous connectivity for M communicating nodes in this network. The data transmission from M communicating nodes to the central entity (FAP) is represented using M/M/1/K queue. To save energy, the server, in this case, takes exponentially distributed vacations during idle periods. Due to finite buffer size of FAP, this network represents a finite capacity system. The network model where sever takes vacation to save energy is solved with help of MGM (Matrix Geometric Method). For different system capacities, the network performance is analyzed in terms of power savings and QoS (Quality of Service) parameters such as utilization, average packet delay, and packet blocking probability. Results show that with small traffic intensity the energy savings is high, whereas utilization, delay and blocking are low. Moreover, the maximum energy can be saved when system in quite underutilized.

Last modified: 2016-01-26 21:33:33