Outage performance analysis for cognitive relay networks based on SWIPT and NOMA

WANG Yujun; LUO Liping

doi:10.13471/j.cnki.acta.snus.2022B011

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Outage performance analysis for cognitive relay networks based on SWIPT and NOMA

Research articles | 更新时间：2023-11-01

- Outage performance analysis for cognitive relay networks based on SWIPT and NOMA
- Acta Scientiarum Naturalium Universitatis Sunyatseni Vol. 62, Issue 1, Pages: 169-180(2023)
- 作者机构：
  
  广西民族大学电子信息学院，广西南宁 530006
- 作者简介：
- 基金信息：
- DOI：10.13471/j.cnki.acta.snus.2022B011
  CLC： TN925
- Published：25 January 2023，
  
  Published Online：19 September 2022，
  
  Received：21 January 2022，
  
  Accepted：17 June 2022
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王玉俊,罗丽平.基于无线携能和非正交多址接入的认知中继网络中断性能分析[J].中山大学学报(自然科学版),2023,62(01):169-180.

WANG Yujun,LUO Liping.Outage performance analysis for cognitive relay networks based on SWIPT and NOMA[J].Acta Scientiarum Naturalium Universitatis Sunyatseni,2023,62(01):169-180.
王玉俊,罗丽平.基于无线携能和非正交多址接入的认知中继网络中断性能分析[J].中山大学学报(自然科学版),2023,62(01):169-180. DOI： 10.13471/j.cnki.acta.snus.2022B011.

WANG Yujun,LUO Liping.Outage performance analysis for cognitive relay networks based on SWIPT and NOMA[J].Acta Scientiarum Naturalium Universitatis Sunyatseni,2023,62(01):169-180. DOI： 10.13471/j.cnki.acta.snus.2022B011.

摘要

研究了基于无线携能通信（SWIPT， simultaneous wireless information and power transfer）和非正交多址接入（NOMA，non-orthogonal multiple access）的认知中继网络的中断性能。针对具有直接链路通信和两阶段通信两种传输模式，推导了系统总体中断概率的解析表达式和高信噪比条件下的渐近表达式，并通过Monte-Carlo仿真验证了理论推导的正确性。仿真结果表明，系统在直接通信模式下能获得更好的中断性能。此外，与传统的正交多址接入认知中继网络相比，基于SWIPT-NOMA的认知中继网络能获得更好的中断性能和更高的能量效率。

Abstract

The outage performance of the cognitive relay networks is analyzed based on simultaneous wireless information and power transfer （SWIPT） and non-orthogonal multiple access （NOMA）. The analytical expressions of overall outage probability and asymptotic expressions on high signal-to-noise ratio （SNR） are derived for the direct link transmission mode and the two-stage communication transmission mode. The analytical expressions are validated by Monte-Carlo simulations. The simulation results demonstrate that the outage performance is improved by through the direct link transmission. Furthermore， compared with the conventional cognitive relay networks with orthogonal multiple access （OMA）， superior outage performance and high energy efficiency are achieved for the cognitive relay networks based on SWIPT-NOMA.

关键词

无线携能通信非正交多址接入认知中继网络中断性能分集增益

Keywords

simultaneous wireless information and power transfer （SWIPT）non-orthogonal multiple access （NOMA）cognitive relay networksoutage performancediversity gain

references

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Related Institution

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