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price-Based Power Allocation in Two-Tier Spectrum Sharing Heterogeneous Cellular Networks

Journal of Communications and Information Networks 2018年第2期3卷 28-34页

作者： Junhui Zhao Qiuping Li Yi Gong Yongqiang Ning Feifei Gao School of Electronic and Information Engineering Beijing Jiaotong UniversityBeijing 100044China School of Information Engineering East China Jiaotong UniversityNanchang 330013China Department of Electrical and Electronic Engineering Southern University of Science and Technology of ChinaShenzhen 518055China Tsinghua National Laboratory for Information Science and Technology Tsinghua UniversityBeijing 100084China

Attributable to the using of the same spec-trum resources,heterogeneous cellular networks have serious interference problems,which greatly restricts the performance of the *** this paper,the price-based power allocation for femtocells underlaying a macrocell heterogeneous cellular network is *** ex-ploiting interference pricing mechanism,we formulate the interference management problem as a Stackelberg game and make a joint utility optimization of macrocells and ***,the energy consumption of macrocell users and the transmission rate utility of femtocell users are considered in this utility optimization *** the game model,the macrocell base station is regarded as a leader,which coordinates the interference from femtocell users to the macrocell users by pricing the *** the other hand,the femtocell base stations are modelled as *** femtocell users obtain their power allocation by *** proving the existence of the Stackelberg equilibrium,the non-uniform and uniform pricing schemes are proposed, and distributed interference pricing algorithm is proposed to address uniform interference price problem. Simulation results demonstrate that the proposed schemes are effective on interference management and power allocation.

关键词： heterogeneous cellular networks interference management power allocation interference price game theory

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