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1篇 您的检索式:作者名="Dexiang Mei"
    题名 作者 年代 出处 被引量
1Proportional Fairness-Based Power Allocation Algorithm for Downlink NOMA 5G Wireless Networks显示文摘Non-orthogonal multiple access(NOMA)is one of the key 5G technology which can improve spectrum efficiency and increase the number of user connections by utilizing the resources in a non-orthogonal manner.NOMA allows multiple terminals to share the same resource unit at the same time.The receiver usually needs to configure successive interference cancellation(SIC).The receiver eliminates co-channel interference(CCI)between users and it can significantly improve the system throughput.In order to meet the demands of users and improve fairness among them,this paper proposes a new power allocation scheme.The objective is to maximize user fairness by deploying the least fairness in multiplexed users.However,the objective function obtained is non-convex which is converted into convex form by utilizing the optimal Karush-Kuhn-Tucker(KKT)constraints.Simulation results show that the proposed power allocation scheme gives better performance than the existing schemes which indicates the effectiveness of the proposed scheme.Jianzhong Li Dexiang Mei Dong Deng Imran Khan Peerapong Uthansakul 2020Computers, Materials & Continua2020,,11:0
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