时延有界的PD-NOMA物联网高可靠接入算法

徐朝农; 吴建雄; 徐勇军

doi:10.11959/j.issn.1000-436x.2020189

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时延有界的PD-NOMA物联网高可靠接入算法

学术通信 | 更新时间：2024-06-05

- 时延有界的PD-NOMA物联网高可靠接入算法
- Highly reliable access algorithm for PD-NOMA based IoT with delay guarantee
- 通信学报 2020年41卷第9期页码：210-221
- 作者机构：
  
  1. 中国石油大学（北京）信息科学与工程学院，北京 102249
  2. 中国科学院计算技术研究所，北京 100080
- 作者简介：
  
  [ "徐朝农（1975- ），男，安徽巢湖人，博士，中国石油大学（北京）副教授、博士生导师，主要研究方向为工业无线网络、智联网、嵌入式系统" ]
  [ "吴建雄（1994- ），男，黑龙江大庆人，中国石油大学（北京）硕士生，主要研究方向为无线通信与网络" ]
  [ "徐勇军（1979- ），男，安徽安庆人，博士，中国科学院计算技术研究所研究员、博士生导师，主要研究方向为智联网、大数据技术" ]
- 基金信息：
  
  国家自然科学基金资助项目(61702487)
- DOI：10.11959/j.issn.1000-436x.2020189
  中图分类号： TP929.5
- 网络出版日期：2020-09，
  
  纸质出版日期：2020-09-25
- 稿件说明：
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徐朝农, 吴建雄, 徐勇军. 时延有界的PD-NOMA物联网高可靠接入算法[J]. 通信学报, 2020,41(9):210-221.

Chaonong XU, Jianxiong WU, Yongjun XU. Highly reliable access algorithm for PD-NOMA based IoT with delay guarantee[J]. Journal on communications, 2020, 41(9): 210-221.
徐朝农, 吴建雄, 徐勇军. 时延有界的PD-NOMA物联网高可靠接入算法[J]. 通信学报, 2020,41(9):210-221. DOI： 10.11959/j.issn.1000-436x.2020189.

Chaonong XU, Jianxiong WU, Yongjun XU. Highly reliable access algorithm for PD-NOMA based IoT with delay guarantee[J]. Journal on communications, 2020, 41(9): 210-221. DOI： 10.11959/j.issn.1000-436x.2020189.

摘要

考虑一个基于k阶串行干扰消除的功率域非正交接入的单跳网络，研究在定义功率域非正交多路接入的可靠性模型的基础上，在传输时延有界的前提下，研究如何通过用户组配和功率分配来最大化上行传输的平均可靠性，进而为其提出了一个复杂度为O(nlogn)的启发式算法，其中n是用户数。此外，还证明了该算法在k=2的情况下是最优的。性能评估表明，随着时延的线性增加，传输可靠性将呈指数增长趋势；相对随机组配策略，所提算法会获得明显的可靠性增强。

Abstract

A single-hop PD-NOMA network supporting k-successive interference cancellation (k-SIC) was considered.Given the real-time performance requirements

how to maximize the average reliability of uplink transmissions by the joint users grouping and power allocation was studied.A heuristic algorithm with complexity of O(nlogn) was presented

where n was the number of users.The algorithm was also proved to be the optimal if k=2.The performance evaluations reveal that the transmission reliability will increase exponentially with the linear degradation of the real-time performance guarantee.Besides

the transmission reliability is enhanced with respect to the random users grouping algorithm.

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references

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