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[ "刘光海(1972- ),男,中国联合网络通信有限公司研究院高级工程师,主要研究方向为无线网络规划建设及智能运营" ]
[ "肖天(1991- ),男,中国联合网络通信有限公司研究院工程师,主要研究方向为网络智能运营" ]
[ "李贝(1983- ),女,中国联合网络通信有限公司研究院高级工程师,主要研究方向为网络智能运营" ]
[ "程新洲(1978- ),男,中国联合网络通信有限公司研究院正高级工程师、享受国务院政府特殊津贴专家,主要研究方向为网络智能运营" ]
[ "薛永备(1971- ),男,中国联合网络通信有限公司研究院高级工程师,主要研究方向为网络智能优化分析" ]
[ "李一(1990- ),女,中国联合网络通信有限公司研究院工程师,主要研究方向为网络性能及差异化能力" ]
[ "朱小萌(1987- ),女,中国联合网络通信有限公司研究院工程师,主要研究方向为网络性能评估" ]
[ "郑雨婷(1995- ),女,中国联合网络通信有限公司研究院工程师,主要研究方向为网络性能仿真" ]
网络出版日期:2023-03,
纸质出版日期:2023-03-20
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刘光海, 肖天, 李贝, 等. 4G载波向5G重耕之前的5G业务覆盖能力研究[J]. 电信科学, 2023,39(3):115-123.
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.
刘光海, 肖天, 李贝, 等. 4G载波向5G重耕之前的5G业务覆盖能力研究[J]. 电信科学, 2023,39(3):115-123. DOI: 10.11959/j.issn.1000-0801.2023044.
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.
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。
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.
中国通信建设集团有限公司 , 中国通信学会通信建设工程技术委员会 , 中国通信学会普及与教育工作委员会 . 移动通信无线网络分析与深度优化 [M ] . 北京 : 人民邮电出版社 , 2020 .
China International Telecommunication Construction Corporation , Communication Construction Engineering Technical Committee of China Communications Society , China Institute of Communicationsetal . Analysis and deep optimization of mobile communication wireless network [M ] . Beijing : People’s Posts & Telecom Press , 2020 .
许国平 , 刘宏嘉 , 李贝 , 等 . 基于NSA架构的4G/5G协同优化研究 [J ] . 邮电设计技术 , 2021 ( 3 ): 37 - 41 .
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李贝 , 胡煜华 , 黎越 , 等 . 5G网络无线切片资源管理研究 [J ] . 江苏通信 , 2022 , 38 ( 2 ): 12 - 17 .
LI B , HU Y H , LI Y , et al . Research on wireless slice resource management in 5G network [J ] . Jiangsu Communication , 2022 , 38 ( 2 ): 12 - 17 .
胡煜华 , 蔡月清 , 黎越 , 等 . 5G 网络无线切片技术研究 [J ] . 江苏通信 , 2022 , 38 ( 4 ): 15 - 18 , 28 .
HU Y H , CAI Y Q , LI Y , et al . Research on wireless slicing technology of 5G network [J ] . Jiangsu Communication , 2022 , 38 ( 4 ): 15 - 18 , 28 .
刘光海 , 肖天 , 许国平 . 5G NSA无线网性能验收指标及优化方法研究 [J ] . 邮电设计技术 , 2020 ( 6 ): 27 - 33 .
LIU G H , XIAO T , XU G P . Research on performance acceptance index and optimization method of 5G NSA wireless network [J ] . Designing Techniques of Posts and Telecommunications , 2020 ( 6 ): 27 - 33 .
李贝 , 刘光海 , 肖天 , 等 . VoNR 语音解决方案应用研究 [J ] . 电信科学 , 2022 , 38 ( 5 ): 149 - 157 .
LI B , LIU G H , XIAO T , et al . Research on VoNR solution application [J ] . Telecommunications Science , 2022 , 38 ( 5 ): 149 - 157 .
汤建东 , 肖清华 . 5G 覆盖能力综合分析 [J ] . 邮电设计技术 , 2019 ( 6 ): 28 - 32 .
TANG J D , XIAO Q H . Comprehensive analysis of 5G coverage capability [J ] . Designing Techniques of Posts and Telecommunications , 2019 ( 6 ): 28 - 32 .
3GPP . NR,radio resource control (RRC) protocol specification:TS 38.331 [S ] . 2021 .
SIWIAK K . Radiowave propagation and antennas for personal communications:2nd ed [M ] . Boston : Artech House , 1998 .
XIAO T , LIU G H , XU G P , et al . Research on coverage ability assessment of high and low frequency based on machine learning [C ] // Proceedings of 2021 International Conference on Information and Communication Technologies for Disaster Management (ICT-DM) . Piscataway:IEEE Press , 2022 : 86 - 92 .
3GPP . Study on channel model for frequencies from 0.5 to 100 GHz:TS 38.901 [S ] . 2022 .
3GPP . Study on 3D channel model for LTE:TS 36.873 [S ] . 2018 .
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