Highly reliable access algorithm for PD-NOMA based IoT with delay guarantee

Chaonong XU; Jianxiong WU; Yongjun XU

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

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Highly reliable access algorithm for PD-NOMA based IoT with delay guarantee

Correspondences | 更新时间：2024-06-05

- Highly reliable access algorithm for PD-NOMA based IoT with delay guarantee
- Journal on Communications Vol. 41, Issue 9, Pages: 210-221(2020)
- 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：
- 基金信息：
  
  The National Natural Science Foundation of China(61702487)
- DOI：10.11959/j.issn.1000-436x.2020189
  CLC： TP929.5
- Online First：2020-09，
  
  Published：25 September 2020
- 稿件说明：
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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：

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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