Energy-Aware User Association in Heterogeneous Networks with Renewable Energy Supplies

被引:0
作者
Zhang, Jiazhen [1 ]
Tao, Xiaofeng [1 ]
Zhang, Xuefei [1 ]
Wu, Huici [1 ]
机构
[1] Beijing Univ Posts & Telecommun, Beijing 100876, Peoples R China
来源
2017 IEEE 28TH ANNUAL INTERNATIONAL SYMPOSIUM ON PERSONAL, INDOOR, AND MOBILE RADIO COMMUNICATIONS (PIMRC) | 2017年
基金
中国国家自然科学基金;
关键词
HETNETS;
D O I
10.1109/PIMRC.2017.8292228
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
To alleviate the burden on power grid in heterogeneous cellular networks, energy harvesting (EH) has inspired thorough research in both academia and industry. However, the mismatched distribution of energy storage and traffic load leads to a bad result that the renewable energy can not be utilized sufficiently. To tackle this issue, we propose an energy-biased-received-power (EBRP) scheme (i.e., users incline to associate with BSs at higher energy level) for energy-load balancing and on-grid energy saving. Taking into account the dynamic EH behavior, a performance analysis of coverage probability and energy efficiency is conducted in a two-tier heterogeneous network with EH enabled personal cells. Numerical and simulation results are provided along with the maximum-biased-received-power (MBRP) scheme. Numerical results show that the reduction of maximum transmit power at base stations is favorable for enhancing energy efficiency. Moreover, it is revealed that the proposed scheme shows superiority in energy-load balancing when the energy efficiency is comparable with that of the MBRP scheme.
引用
收藏
页数:7
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