带冲突检测的两阶段无连接接入协议最优资源分配

简鑫; 王芳; 宋健; 付澍; 谭晓衡; 曾孝平

doi:10.11959/j.issn.1000-436x.2019102

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带冲突检测的两阶段无连接接入协议最优资源分配

学术论文 | 更新时间：2024-06-05

- 带冲突检测的两阶段无连接接入协议最优资源分配
- Optimal resource allocation for two-stage connectionless access with collision detection
- 通信学报 2019年40卷第5期页码：117-124
- 作者机构：
  
  重庆大学微电子与通信工程学院，重庆 400044
- 作者简介：
  
  [ "简鑫（1987- ），男，四川自贡人，博士，重庆大学副教授、硕士生导师，主要研究方向为应用统计数学、物联网无线接入技术及应用等。" ]
  [ "王芳（1995- ），女，四川泸州人，重庆大学硕士生，主要研究方向为无线通信理论与技术、分布式队列随机接入等。" ]
  [ "宋健（1995- ），男，江西宜春人，重庆大学硕士生，主要研究方向为智慧网络、群体智能等。" ]
  [ "付澍（1985- ），男，贵州贵阳人，博士，重庆大学讲师，主要研究方向为未来网络、边缘计算等。" ]
  [ "谭晓衡（1976- ），男，重庆人，博士，重庆大学教授、博士生导师，主要研究方向为下一代移动通信、通信信号处理等。" ]
  [ "曾孝平（1956- ），男，四川广安人，博士，重庆大学教授、博士生导师，主要研究方向为航空移动通信、下一代移动通信、生物信号处理等。" ]
- 基金信息：
  
  国家自然科学基金资助项目(61501065);国家自然科学基金资助项目(61571069);国家自然科学基金资助项目(61601067);国家自然科学基金资助项目(61701054);重庆市基础科学与前沿技术研究专项基金资助项目(cstc2016jcyjA0021);中央高校基本科研业务费基金资助项目(106112017CDJQJ168817);中央高校基本科研业务费基金资助项目(2018CDXYTX0009);中央高校基本科研业务费基金资助项目(2018CDYJSY0055);中央高校基本科研业务费专项基金资助项目(2019CDXYTX0023)
- DOI：10.11959/j.issn.1000-436x.2019102
  中图分类号： TN929.5
- 网络出版日期：2019-05，
  
  纸质出版日期：2019-05-25
- 稿件说明：
移动端阅览
简鑫, 王芳, 宋健, 等. 带冲突检测的两阶段无连接接入协议最优资源分配[J]. 通信学报, 2019,40(5):117-124.

Xin JIAN, Fang WANG, Jian SONG, et al. Optimal resource allocation for two-stage connectionless access with collision detection[J]. Journal on communications, 2019, 40(5): 117-124.
简鑫, 王芳, 宋健, 等. 带冲突检测的两阶段无连接接入协议最优资源分配[J]. 通信学报, 2019,40(5):117-124. DOI： 10.11959/j.issn.1000-436x.2019102.

Xin JIAN, Fang WANG, Jian SONG, et al. Optimal resource allocation for two-stage connectionless access with collision detection[J]. Journal on communications, 2019, 40(5): 117-124. DOI： 10.11959/j.issn.1000-436x.2019102.

摘要

无连接接入协议允许机器类终端不需要建立无线承载就进行小数据传输，以降低系统信令开销与终端能耗。两阶段无连接接入协议可通过合理分配调度请求阶段和数据传输阶段的资源提高系统吞吐量，特别适合中高负载场景。基于此，完成了一类称作带冲突检测的两阶段无连接接入协议的性能极限与最优资源分配策略的理论分析，并设计了一种不需要用户数估计的动态资源分配算法。数值分析验证了上述理论分析的正确性，表明了所提动态资源分配算法与已知每个接入周期内用户数的理想算法的性能差异可控制在 4%以内。上述结果可为面向海量机器类通信的无线接入协议的优化设计提供参考。

Abstract

Connectionless access allows massive machine type communication (mMTC) devices to transmit small packets without establishment of radio bearers

significantly reducing device power consumption and control signaling overhead.Two-stage connectionless access (TSCLA) improves throughput and resource efficiency by optimally allocating resources between scheduling request (SR) phase and data transmission phase

which can be used for bigger packets and high traffic load.Based on this

a comprehensive theoretical analysis of one kind of TSCLA with collision detection was conducted to investigate its performance limit and devise its optimal resource allocation scheme.In addition

to avoid the complexity of user number estimation

a dynamic resource allocation algorithm with feedback control was proposed.Numerical results are provided to validate the effectiveness of aforementioned theoretical results and show that comparing with the genie aided algorithm known exactly the number of users

the performance loss of the proposed algorithm is within 4%.These works together provide good references for appropriate resource dimensioning for mMTC related protocols.

关键词

Keywords

references

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