面向mMTC的5G网络多随机接入机制性能优化策略

詹文; 梁译文; 孙兴华; 谭雪松

doi:10.11959/j.issn.2096-3750.2022.00267

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面向mMTC的5G网络多随机接入机制性能优化策略

理论与技术 | 更新时间：2024-06-05

- 面向mMTC的5G网络多随机接入机制性能优化策略
- Performance optimization for mMTC in 5G network with multiple random access schemes
- 物联网学报 2022年6卷第2期页码：95-105
- 作者机构：
  
  1. 中山大学·深圳电子与通信工程学院，广东深圳 518107
  2. 电子科技大学通信抗干扰技术国家级重点实验室，四川成都 611731
- 作者简介：
  
  [ "詹文（1990− ），男，博士，中山大学电子与通信工程学院助理教授，主要研究方向为5G/6G网络和大规模物联网通信" ]
  [ "梁译文（1996− ），男，中山大学电子与通信工程学院硕士生，主要研究方向为5G网络大规模机器类通信的随机接入" ]
  [ "孙兴华（1985− ），男，博士，中山大学电子与通信工程学院副教授，主要研究方向为下一代无线通信网络、智能通信等" ]
  [ "谭雪松（1976− ），男，博士，电子科技大学通信抗干扰技术国家级重点实验室教授，主要研究方向包括认知无线网络、抗干扰盲汇聚通信和网络编码在通信中的应用等" ]
- 基金信息：
  
  国家自然科学基金资助项目;The National Natural Science Foundation of China(62001524);广东省重点领域研发计划;The Key-Area Research and Development Program of Guangdong Province(2020B0101120003);广东省基础与应用基础研究基金资助项目;The Guangdong Basic and Applied Basic Research Foundation(2019A1515011906);深圳市高等院校稳定支持计划项目;The Shenzhen Sustainable Support Program for Universities(2021A04);深圳市科技计划资助;The Shenzhen Science and Technology Program(RCBS20210706092408010)
- DOI：10.11959/j.issn.2096-3750.2022.00267
  中图分类号： TN929.5
- 纸质出版日期：2022-06-30，
  
  网络出版日期：2022-06，
- 稿件说明：
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詹文, 梁译文, 孙兴华, 等. 面向mMTC的5G网络多随机接入机制性能优化策略[J]. 物联网学报, 2022,6(2):95-105.

WEN ZHAN, YIWEN LIANG, XINGHUA SUN, et al. Performance optimization for mMTC in 5G network with multiple random access schemes. [J]. Chinese journal on internet of things, 2022, 6(2): 95-105.
詹文, 梁译文, 孙兴华, 等. 面向mMTC的5G网络多随机接入机制性能优化策略[J]. 物联网学报, 2022,6(2):95-105. DOI： 10.11959/j.issn.2096-3750.2022.00267.

WEN ZHAN, YIWEN LIANG, XINGHUA SUN, et al. Performance optimization for mMTC in 5G network with multiple random access schemes. [J]. Chinese journal on internet of things, 2022, 6(2): 95-105. DOI： 10.11959/j.issn.2096-3750.2022.00267.

摘要

为优化对具有不同流量特征的海量机器类通信（mMTC

massive machine type communication）业务的支持，5G网络将并存两种随机接入机制：基于报文的随机接入（PBRA

packet-based random access）机制和基于连接的随机接入（CBRA

connection-based random access）机制。然而，面向mMTC业务流量特征的随机接入机制选择问题，却尚未得到解决。为此，本文将分析PBRA机制和CBRA机制下的网络吞吐量和信令开销，解决在信令开销受限的条件下，吞吐量最大化的优化问题。以此为基础，得到了最优随机接入机制选择策略和相应的网络参数配置方案，并通过仿真进行验证。

Abstract

To optimize the support for massive machine type communication (mMTC) services with different traffic characteristics

packet-based random access (PBRA) scheme coexists with the connection-based random access (CBRA) scheme in 5G networks.Yet

given the traffic characteristic of mMTC

which random access scheme should be chosen is still an open issue.To address this issue

the network throughput and signaling overhead analysis of mMTC with PBRA and CBRA were presented

and the problem of throughput maximization while maintaining the signaling-to-throughput ratio below a certain level was solved.Based on this

the optimal access scheme selection strategy and the corresponding optimal network parameter configuration were obtained and verified via simulations.

关键词

mMTC基于报文的随机接入基于连接的随机接入随机接入机制选择

Keywords

mMTCpacket-based random accessconnection-based random accessrandom access scheme selection

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