Energy Efficiency Optimization for MISO-NOMA SWIPT System with Heterogeneous QoS Requirements

被引：0
|
作者：
Liu, Feng [1 ]
Cheng, Xianlong [1 ]
Li, Conggai [1 ]
Xu, Yanli [1 ]
机构：
[1] Shanghai Maritime Univ, Coll Informat Engn, Shanghai, Peoples R China
来源：
IEICE TRANSACTIONS ON FUNDAMENTALS OF ELECTRONICS COMMUNICATIONS AND COMPUTER SCIENCES | 2023年 / E106A卷 / 02期
基金：
上海市自然科学基金;
关键词：
SWIPT; NOMA; MISO; heterogeneous QoS; energy efficiency;
D O I：
10.1587/transfun.2022EAL2025
中图分类号：
TP3 [计算技术、计算机技术];
学科分类号：
0812 ;
摘要：
This letter solves the energy efficiency optimization problem for the simultaneous wireless information and power transfer (SWIFT) systems with non-orthogonal multiple access (NOMA), multiple input single output (MISO) and power-splitting structures, where each user may have different individual quality of service (QoS) requirements about information and energy. Nonlinear energy harvesting model is used. Alternate optimization approach is adopted to find the solution, which shows a fast convergence behavior. Simulation results show the proposed scheme has higher energy efficiency than existing dual-layer iteration and throughput maximization methods.
引用
收藏
页码：159 / 163
页数：5
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