首页|QoS-based optimal and fair resource allocation for energy-efficiency uplink NOMA networks

QoS-based optimal and fair resource allocation for energy-efficiency uplink NOMA networks

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The energy-efficiency (EE) optimization problem was studied for resource allocation in an uplink single-cell network,in which multiple mobile users with different quality of service (QoS) requirements operate under a non-orthogonal multiple access (NOMA) scheme.Firstly,a multi-user feasible power allocation region is derived as a multidimensional body that provides an efficient scheme to determine the feasibility of original channel and power assignment problem.Then,the size of feasible power allocation region was first introduced as utility function of the subchannel-user matching game in order to get high EE of the system and fairness among the users.Moreover,the power allocation optimization to the EE maximization is proved to be a monotonous decline function.The simulation results show that compared with the conventional schemes,the network connectivity of the proposed scheme is significantly enhanced and besides,for low rate massive connectivity networks,the proposed scheme obtains performance gains in the EE of the system.

NOMAenergy-efficiencymultiple accessD2D

Guo Yanyan、Li Shuai、Wu Chao

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College of Physics and Electronic Engineering, Shanxi University, Taiyuan 030004, China

This work was supported by the National Natural Science Foundation of China

11705108.

2020

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(3)
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