Energy-Efficient NOMA with QoS-Guaranteed Power Allocation for Multi-User VLC

被引：5
|
作者：
Chen, Chen [1 ]
Fu, Shu [1 ]
Jian, Xin [1 ]
Liu, Min [1 ]
Deng, Xiong [2 ]
机构：
[1] Chongqing Univ, Sch Microelect & Commun Engn, Chongqing, Peoples R China
[2] Eindhoven Univ Technol TU E, Dept Elect Engn, Eindhoven, Netherlands
来源：
PROCEEDINGS OF THE 2021 IEEE 16TH CONFERENCE ON INDUSTRIAL ELECTRONICS AND APPLICATIONS (ICIEA 2021) | 2021年
基金：
中国国家自然科学基金;
关键词：
Visible light communication (VLC); multi-user; non-orthogonal multiple access (NOMA); power allocation; NONORTHOGONAL MULTIPLE-ACCESS; RESOURCE-ALLOCATION; PERFORMANCE; SYSTEMS;
D O I：
10.1109/ICIEA51954.2021.9516247
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In this paper, we propose an energy-efficient non-orthogonal multiple access (NOMA) technique for multi-user visible light communication (VLC) systems, by adopting a low-complexity quality of service (QoS)-guaranteed power allocation strategy. From the perspective of energy saving, we design the energy-efficient NOMA-enabled multi-user VLC system with the goal to achieve maximal energy efficiency (EE). The closed-form QoS-guaranteed optimal power allocation strategy is obtained and the analytical EE of the proposed NOMA-enabled multi-user VLC system is derived. The analytical and simulation results show that, for a VLC system with ten users, the average EE can be improved by 19% when adopting the proposed NOMA in comparison to NOMA with gain ratio power allocation (GRPA), and the EE improvement becomes much more significant when the users have more diverse QoS requirements.
引用
收藏
页码：1305 / 1310
页数：6
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