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Energy-Efficient Bandwidth and Power Allocation in Relay-Assisted Multi-Layer Heterogeneous Networks with Energy Harvesting

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摘要 Aiming at excessive users existing in a pico base station(PBS)in the multi-layer heterogeneous networks,the resource allocation problem of maximizing the energy efficiency of the networks is investigated in this paper.By deploying a relay node with energy harvesting function,the data of some users in the PBS can be transferred to an adjacent idle PBS.The bandwidth and transmitting power of users and the relay node are both considered to formulate the resource allocation optimization problem.The objective is to maximize the energy eficiency of the whole heterogeneous networks under the constraints of the user's minimum data rate and energy consumption.The suboptimal solution is obtained by using the particle swarm optimization(PSO)algorithm and quantum-behaved particle swarm optimization(QPSO)algorithm.Simulation results show that the adopted methods have higher energy efficiency than the conventional fixed power and bandwidth method.In addition,the time complexity of the adopted methods is relatively low.
作者 高锦程 赵宜升 陈加法 陈忠辉 GAO Jincheng;ZHAO Yisheng;CHEN Jiafa;CHEN Zhonghui(Fujian Key Laboratory for Intelligent Processing and Wireless Transmission of Media Information,College of Physics and Information Engineering,Fuzhou University,Fuzhou 350108,China)
出处 《Journal of Shanghai Jiaotong university(Science)》 EI 2023年第6期822-830,共9页 上海交通大学学报(英文版)
基金 the National Natural Science Foundation of China(Nos.61871133 and 61971139) the Natural Science Foundation of Fujian Province(No.2018J01805)。
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