基于无线供电的非正交多址接入网络的鲁棒资源分配研究

崔苗; 庞浩然; 张广驰; 刘怡俊; 邹为民

doi:10.12052/gdutxb.180094

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基于无线供电的非正交多址接入网络的鲁棒资源分配研究

更新时间：2026-05-27

- 基于无线供电的非正交多址接入网络的鲁棒资源分配研究
- Robust Resource Allocation for Wireless Powered Non-orthogonal Multiple Access Net-works
- 广东工业大学学报 2018年35卷第6期页码：37-42
- 作者机构：
  
  1. 广东工业大学　信息工程学院,广东,广州,510006
  2. 广东创锐电子技术股份有限公司,广东,东莞,523039
- 作者简介：
  
  崔苗(1978–)，讲师，博士，主要研究方向为电子信息与无线通信技术. E-mail：cuimiao@gdut.edu.cn
  张广驰(1982–)，副教授，主要研究方向为电子信息与无线通信技术. E-mail：gczhang@gdut.edu.cn
- 基金信息：
  
  国家自然科学基金资助项目(61571138);广东省科技计划项目(2017B090909006，2016B090904001，2016B090918031);广州市科技计划项目(201803030028)
- DOI：10.12052/gdutxb.180094
  中图分类号： TN929.5
- 网络首发：2018-11-23，
  
  纸质出版：2018
- 稿件说明：
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崔苗, 庞浩然, 张广驰, 刘怡俊, 邹为民. 基于无线供电的非正交多址接入网络的鲁棒资源分配研究[J]. 广东工业大学学报, 2018, 35(6): 37-42.

Cui Miao, Pang Hao-ran, Zhang Guang-chi, et al. Robust Resource Allocation for Wireless Powered Non-orthogonal Multiple Access Net-works[J]. 2018, 35(6): 37-42.
崔苗, 庞浩然, 张广驰, 刘怡俊, 邹为民. 基于无线供电的非正交多址接入网络的鲁棒资源分配研究[J]. 广东工业大学学报, 2018, 35(6): 37-42. DOI： 10.12052/gdutxb.180094.

Cui Miao, Pang Hao-ran, Zhang Guang-chi, et al. Robust Resource Allocation for Wireless Powered Non-orthogonal Multiple Access Net-works[J]. 2018, 35(6): 37-42. DOI： 10.12052/gdutxb.180094.

摘要

无线能量传输是解决无线网络中节点设备能量短缺问题的新技术

非正交多址接入是缓解无线网络频谱紧缺难题和满足大规模节点接入需求的新型多址接入技术. 将两者相结合不仅可以缓解节点设备电池能量不足、需要频繁更换电池的问题

还可以提高系统的频谱效率

满足大规模节点接入的需求. 本文考虑基于无线供电的非正交多址接入网络

其中包含一个多天线的能量基站、多个单天线用户和一个单天线信息接收机. 在该网络中

下行链路和上行链路分别表示从能量基站到用户和从用户到信息接收机的物理信道. 在下行链路中

能量基站通过无线能量传输给多个用户提供可靠的能量; 在上行链路中

用户使用收集到的能量并基于非正交多址接入技术发送信息给信息接收机. 在系统的下行链路信道状态信息不完美的实际情况下

设计鲁棒资源分配策略

联合设计能量基站的波束赋形向量、用户的发射功率和上下行链路间的时间分配

最大化系统的吞吐量. 仿真结果表明

所提鲁棒设计算法的吞吐量性能明显优于不具有鲁棒性的资源分配算法.

Abstract

The wireless power transfer (WPT) is a controllable and promising way to solve the energy scarcity problem of the devices in wireless networks. The non-orthogonal multiple access (NOMA) scheme is a new multiple access technique

which has been proposed to provide higher spectral efficiency (SE) and support massive user accesses. A wireless powered NOMA network consisting of one multiple-antenna power station

multiple single-antenna users and one single-antenna information receiver is considered. In the downlink

the power station transfers wireless energy to the users

while in the uplink

the users transmit their information to the information receiver in the NOMA manner. A practical scenario where the power station knows imperfect channel state information (CSI) of the downlink channel is viewed

and a robust resource allocation algorithm is proposed to jointly optimize the beamforming of the power station

the transmit powers of the users

and the time lengths of the downlink and uplink in order to maximize the throughput of the system. Simulation results show that the proposed robust design algorithm achieves significantly higher throughput than the non-robust benchmark scheme.

关键词

Keywords

references

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