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

应用科学学报 ›› 2016, Vol. 34 ›› Issue (3): 275-285.doi: 10.3969/j.issn.0255-8297.2016.03.004

异构蜂窝网络中功率有效的家庭基站分簇频谱分配策略

向伟, 张剑峰, 谢威, 马文峰

解放军理工大学通信工程学院, 南京 210007

收稿日期:2015-08-12 修回日期:2016-01-25 出版日期:2016-05-30 发布日期:2016-05-30
通信作者: 张剑峰,教授,研究方向:计算机网络、移动通信、宽带网络交换等,E-mail:jeff.nj@126.com E-mail:jeff.nj@126.com
基金资助:
国家自然科学基金(No.61371123,No.61301165,No.91438115)资助

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

XIANG Wei, ZHANG Jian-feng, XIE Wei, MA Wen-feng

College of Communications Engineering, PLA University of Science and Technology, Nanjing 210007, China

Received:2015-08-12 Revised:2016-01-25 Online:2016-05-30 Published:2016-05-30

摘要/Abstract

摘要：

针对宏基站与家庭基站以及家庭基站之间的干扰和功耗问题,提出功率有效的家庭基站分簇频谱分配策略.在家庭基站用户中断概率条件下推导出一个簇内能容纳的家庭基站最大数目.在簇容量和中断概率限制的情况下,进一步推导出簇内家庭基站用户最小信干比和家庭基站最小干扰距离,以此严格保证簇内每个家庭基站用户的信干噪比,并据此提出家庭基站分簇和频谱分配算法.仿真结果表明,所提出的策略提高了网络的功率效率和家庭基站小区的频谱效率.

关键词: 异构蜂窝网络, 功率消耗, 跨层干扰, 同层干扰, 分簇, 频谱分配

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

中图分类号:

TN925

向伟, 张剑峰, 谢威, 马文峰. 异构蜂窝网络中功率有效的家庭基站分簇频谱分配策略[J]. 应用科学学报, 2016, 34(3): 275-285.

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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异构蜂窝网络中功率有效的家庭基站分簇频谱分配策略

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

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