Research on multi-domain collaboration based method of TDD large-scale networking

Xiaoyun WANG; Wei DENG; Long ZHANG; Qi SUN

doi:10.11959/j.issn.1000-0801.2023085

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Research on multi-domain collaboration based method of TDD large-scale networking

Research and Development | 更新时间：2024-06-05

- Research on multi-domain collaboration based method of TDD large-scale networking
- Telecommunications Science Vol. 39, Issue 4, Pages: 43-51(2023)
- 作者机构：
  
  1. 中国移动通信集团有限公司，北京 100053
  2. 中国移动通信有限公司研究院，北京 100053
- 作者简介：
- 基金信息：
- DOI：10.11959/j.issn.1000-0801.2023085
  CLC： TN929
- Published Online：2023-04，
  
  Published：20 April 2023
- 稿件说明：
移动端阅览
Xiaoyun WANG, Wei DENG, Long ZHANG, et al. Research on multi-domain collaboration based method of TDD large-scale networking[J]. Telecommunications science, 2023, 39(4): 43-51.
DOI：

Xiaoyun WANG, Wei DENG, Long ZHANG, et al. Research on multi-domain collaboration based method of TDD large-scale networking[J]. Telecommunications science, 2023, 39(4): 43-51. DOI： 10.11959/j.issn.1000-0801.2023085.

摘要

如何在有着大量、广域、时变协同需求的海量节点间和多维资源约束下实现网络服务能力最大化是时分双工（time-division duplex，TDD）移动通信大规模组网面临的核心问题。从架构角度进行研究，创新性地提出适用于TDD大规模组网的全局协同优化架构，分为无线连接层、信号处理层和服务控制层，通过层间全局协同优化和层内资源域高效转化实现多维资源成本与网络服务能力的最优化。基于该架构，聚焦无线连接层的空口资源，对多资源域协同转化的无线组网方法进行深入研究，明确了时域、频域、空域、码域等多资源域协同转化机理，并设计了相应的无线组网机制。4G/5G现网实践验证结果表明，所提TDD大规模无线组网架构和方法可在有效控制干扰的同时高效利用各域资源，实现网络服务能力最大化。

Abstract

How to maximize the network service capability under the constraints of massive nodes and multi-domainresources is the core problem faced by TDD large-scale networking.The method of TDD large-scale networking under fully collaborative optimization architecture were innovatively proposed

which could maximize network service capabilities through inter layer and intra layer collaboration among wireless connection layer

signal processing layer and service control layer.Aiming at efficient use of wireless resources

the method of multi-domain conversion in wireless connection layer were put forward

including the principles and mechanism of space-time-frequency-code multi-domain conversion.The results of practical verification in 4G/5G existing network show that the proposed architecture and method of TDD large-scale networking can effectively control the interference while improving utilization of multi-domain resourcesto maximize network capacity.

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references

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