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A Combining Call Admission Control and Power Control Scheme for D2D Communications Underlaying Cellular Networks

查看全文 作　　者：Xujie [1,2,3]Li;Wenna [1]Zhang;Honglang [1]Zhang;Wenfeng [4]Li 高影响力作者 机构地区：[1]College of Computer and Information Engineering, Hohai University;[2]Shanghai Key Laboratory of Intelligent Information Processing, Fudan University;[3]Hubei Key Laboratory of Intelligent Wireless Communications, South-Central University for Nationalities;[4]School of Electronic Science and Engineering, Nanjing University高影响力机构 出　　处：《China Communications》索引2016年第13卷第10期,共9页高影响力期刊 基　　金：supported in part by the Project of National Natural Science Foundation of China (61301110);Project of Shanghai Key Laboratory of Intelligent Information Processing, China [grant number IIPL-2014-005];the Project funded by the Priority Academic Program Development of Jiangsu Higher Education Institutions;the Project of Jiangsu Overseas Research & Training Program for University Prominent Young & Middle-Aged Teachers and Presidents 摘　　要：As device-to-device(D2D) communications usually reuses the resource of cellular networks, call admission control(CAC) and power control are crucial problems. However in most power control schemes, total data rates or throughput are regarded as optimization criterion. In this paper, a combining call admission control(CAC) and power control scheme under guaranteeing QoS of every user equipment(UE) is proposed. First, a simple CAC scheme is introduced. Then based on the CAC scheme, a combining call admission control and power control scheme is proposed. Next, the performance of the proposed scheme is evaluated. Finally, maximum DUE pair number and average transmitting power is calculated. Simulation results show that D2 D communications with the proposed combining call admission control and power control scheme can effectively improve the maximum DUE pair number under the premise of meeting necessary QoS. 关 键 词：device-to-device(D2D) call admission control power control cellular networks
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