异构蜂窝网络中功率有效的家庭基站分簇频谱分配策略

doi:10.3969/j.issn.0255-8297.2016.03.004

Abstract

Abstract:

To solve the interference and power consumption problems between the macrocell base stations (MBSs) and the femto-cell base stations (FBSs), and that among FBSs, the paper proposes a power-efficient clustering-based spectrum allocation strategy (CSAS). According to outage probability of femto-cell users (FUEs), the maximum number of femtocell base stations contained in a cluster is derived. Under the restriction of the cluster capacity and OP, SIR of FUEs and minimum interference distance between FBSs in a cluster is further derived to strictly guarantee each FUE's SINR. A clustering algorithm and a spectrum allocation algorithm are proposed. Simulation results show that the proposed strategy improves power efficiency of the network and spectral efficiency of the femto-cell network.

Key words: cross-tier interference, co-tier interference, power consumption, spectrum allocation, heterogeneous cellular networks, clustering

CLC Number:

TN925

XIANG Wei, ZHANG Jian-feng, XIE Wei, MA Wen-feng. Power-Efficient Clustering-Based Spectrum Allocation in Heterogeneous Cellular Networks[J]. Journal of Applied Sciences, 2016, 34(3): 275-285.

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Power-Efficient Clustering-Based Spectrum Allocation in Heterogeneous Cellular Networks

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