Research on 5G service coverage capability before 4G carrier re-farming to 5G

Guanghai LIU; Tian XIAO; Bei LI; Xinzhou CHENG; Yongbei XUE; Yi LI; Xiaomeng ZHU; Yuting ZHENG

doi:10.11959/j.issn.1000-0801.2023044

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Research on 5G service coverage capability before 4G carrier re-farming to 5G

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

- Research on 5G service coverage capability before 4G carrier re-farming to 5G
- Telecommunications Science Vol. 39, Issue 3, Pages: 115-123(2023)
- 作者机构：
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- DOI：10.11959/j.issn.1000-0801.2023044
  CLC：
- Published Online：2023-03，
  
  Published：20 March 2023
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Guanghai LIU, Tian XIAO, Bei LI, et al. Research on 5G service coverage capability before 4G carrier re-farming to 5G[J]. Telecommunications science, 2023, 39(3): 115-123.
DOI：

Guanghai LIU, Tian XIAO, Bei LI, et al. Research on 5G service coverage capability before 4G carrier re-farming to 5G[J]. Telecommunications science, 2023, 39(3): 115-123. DOI： 10.11959/j.issn.1000-0801.2023044.

摘要

为了满足低成本建设5G广覆盖网络的需求，需要提前研究低频3G、4G网络向5G重耕的最佳方案。在没有进行重耕，因而没有理想的低频5G测试环境的情况下，采用理论分析的手段进行重耕后的覆盖能力估算。以未来L900重耕用于5G广覆盖为例，探讨了链路预算的关键设定、模型选择等问题，并通过多个本地网实际测试数据间接验证估算结果的合理性。所得结论已实际应用于某大运营商对全国900 MHz网络的规划方案，对于指导网络重耕具有重要的借鉴意义，也为面向覆盖和感知的6G网络演进及重耕提供了参考模型。

Abstract

In order to build a low-cost and high-efficiency 5G low-frequency network

it is necessary to study the best plan of plowing low-frequency 3G and 4G networks into 5G in advance.Under the condition of no ideal low frequency 5G test environment due to no re-farming

the coverage capacity after re-farming was estimated through theoretical analysis and was indirectly verified based on the current network test data.The key setting of link budget and model selection were discussed

the rationality of the estimation results was indirectly verified by the actual test data.The conclusion had been actually applied to the planning scheme of a major operator for the national 900 MHz network

which has essential reference significance to guide the network refarming.

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references

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