Performance optimization for mMTC in 5G network with multiple random access schemes

Wen ZHAN; Yiwen LIANG; Xinghua SUN; Xuesong TAN

doi:10.11959/j.issn.2096-3750.2022.00267

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Performance optimization for mMTC in 5G network with multiple random access schemes

Theory and Technology | 更新时间：2024-06-05

- Performance optimization for mMTC in 5G network with multiple random access schemes
- Chinese Journal on Internet of Things Vol. 6, Issue 2, Pages: 95-105(2022)
- 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：
- 基金信息：
- DOI：10.11959/j.issn.2096-3750.2022.00267
  CLC： TN929.5
- Published：30 June 2022，
  
  Published Online：2022-06，
- 稿件说明：
移动端阅览
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：

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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