Research on the NOMA performance in cognitive cooperation network

Meiling LI; Ying LI; Muhaidat SAMI; Zengshou DONG; Anhong WANG; Jie LIANG; Liping DING

doi:10.11959/j.issn.1000-436x.2018152

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Research on the NOMA performance in cognitive cooperation network

5G and Cognitive and Cooperative Network | 更新时间：2024-06-05

- Research on the NOMA performance in cognitive cooperation network
- Journal on Communications Vol. 39, Issue 9, Pages: 57-66(2018)
- 作者机构：
  
  1. 太原科技大学电子信息工程学院,山西太原 030024
  2. 英国萨里大学，萨里 GU27XH
  3. 中国科学院软件研究所，北京 100190
- 作者简介：
- 基金信息：
  
  The National Natural Science Foundation of China(61672373);The National Natural Science Foundation of China(U1510115);The National Natural Science Foundation of China(91646203);STIP(201802090);Jincheng Technology Research Projects of Shanxi Province(201501004-4);CiCi3DP;STITSX(201705D131025);KITSX1331
- DOI：10.11959/j.issn.1000-436x.2018152
  CLC： TN911.1
- Online First：2018-09，
  
  Published：25 September 2018
- 稿件说明：
移动端阅览
Meiling LI, Ying LI, Muhaidat SAMI, et al. Research on the NOMA performance in cognitive cooperation network[J]. Journal on Communications, 2018, 39(9): 57-66.
DOI：

Meiling LI, Ying LI, Muhaidat SAMI, et al. Research on the NOMA performance in cognitive cooperation network[J]. Journal on Communications, 2018, 39(9): 57-66. DOI： 10.11959/j.issn.1000-436x.2018152.

摘要

将 NOMA 技术应用于下行认知中继协作网络，提出基于 AF 的认知多用户中继协作 NOMA 系统（CM-RC-NOMA），给出了不同认知中继协作方案下 PU 和 SU 中断性能，并推导了其闭合表达式；同时将 AF中继协作方式与DF中继协作方式进行了对比。仿真结果表明，当SU到PU信道链路条件不差于BS到PU信道链路条件时，AF方式相比DF方式可以使PU获得更低的中断概率；另一方面，所提最佳认知中继协作方案相比传统最佳认知中继协作方案可以获得更佳的PU中断性能。

Abstract

The non-orthogonal multiple access (NOMA) technology was studied in a downlink cognitive relay cooperation network.A cognitive multiuser relay cooperation based NOMA scheme was proposed (CM-RC-NOMA)

in which

the outage performance of PU and SU were given under different cognitive relay cooperation schemes and the corresponding outage expressions were also derived.At the same time

the AF based relay cooperation method and the DF based relay cooperation method were compared.The simulation results show that the lower outage of PU can be achieved by AF method compared with DF method

when the channel condition of BS to PU is no more than that of SU to PU.It is also revealed that the optimal outage performance of PU can be achieved by the proposed best cognitive relay cooperation scheme in contrast to the traditional best cognitive relay cooperation scheme.

关键词

Keywords

references

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