首页|Energy efficiency optimization for HCNs based on small base station transmission power allocation

Energy efficiency optimization for HCNs based on small base station transmission power allocation

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In the research of green communication,considering the base station (BS) power allocation from the perspective of energy efficiency (EE) is meaningful for heterogeneous cellular networks (HCNs) optimization.The EE of two-tier HCNs was analyzed and a new method for the network EE optimization was proposed by adjusting the small BS transmitting power.First,the HCNs ware modeled by homogeneous Poisson point processes (PPPs),and the coverage probability of BSs in each tier was derived.Second,according to the definition of EE,and the closed-form of EE was given by deriving the total power consumption and total throughput of HCNs respectively.At last,the analytical performance of the EE of HCNs on the small BS transmission power was analyzed,and a small BS power optimization algorithm was proposed to maximize the EE.Simulation results show that,the transmission power of small BS has a significant impact on the EE of HCNs.Furthermore,by optimizing the transmission power of small BS,the EE of HCNs can be improved effectively.

heterogeneous cellular networksEEsmall BStransmission power

Pan Ziyu、Hu Han

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Department of Information and Communication Engineering, Nanjing Institute of Technology, Nanjing 211167, China

Jiangsu Provincial Key Laboratory of Wireless Communications, Nanjing University of Posts and Telecommunications, Nanjing 210003, China

This work was supported by National Natural Science Foundation of ChinaJiangsu Higher Education Institutions Natural Science FoundationFoundation of Nanjing Institute of Technology

6190121118KJB510017ZKJ201801.

2020

10.19682/j.cnki.1005-8885.2020.1003

中国邮电高校学报(英文版)
北京邮电大学

中国邮电高校学报(英文版)

CSCDEI
影响因子：0.419
ISSN：1005-8885
年,卷(期)：2020.27(2)
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