全球应急专网通信频谱研究概述

doi:10.11959/j.issn.1000-0801.2022167

Abstract

Abstract:

The construction of an emergency private network is the necessity of unified command and dispatch communications in rescue of disasters, emergency response, and major activity safeguard.It is an important communication means of public safety protection.With the rapid development of radio technology, the traditional narrowband emergency communication system is difficult to meet the needs of multimedia data, interconnection, anti-interference and other needs under the new situation.Digitization, broadband and ubiquity have become the inevitable trend of the development of emergency private networks.First of all, the technical system and development trend of emergency communication were summarized, the global emergency communication research framework were introduced, the frequency planning and current use status of the emergency private network in the United States, Europe, Asia-Pacific and other countries and regions were analyzed.Finally, combine with the current frequency planning, suggestions for the construction of China’s emergency private network from the aspects of technology trends, industrial development, frequency band selection, and construction mode were presented.

Key words: PPDR, frequency spectrum, emergency private network, broadband

CLC Number:

TN929.5

Xiaoyong LIU, Xixi FAN, Lin ZHU, Yuanxin YAO. Review on the research of the global emergency communication spectrum[J]. Telecommunications Science, 2022, 38(7): 114-125.

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References 21

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频段	公共安全占用带宽
VHF较低频段（25～50 MHz）	6.3 MHz
VHF较高频段（150～174 MHz）	3.6 MHz（非连续）
220～222 MHz频段	0.1 MHz
UHF频段（450～470 MHz）	3.7 MHz（非连续）
700 MHz宽带频段（758～769 MHz/788～799 MHz）	22 MHz（2×11 MHz）
700 MHz窄带频段（768～775 MHz/798～805 MHz）	14 MHz（2×7 MHz）（含2 MHz保护频段）
800 MHz频段（国家公共安全规划咨询委员会频段）	6 MHz（2×3 MHz）
800 MHz频段（809～815 MHz/854～860 MHz）	3.5 MHz（2×1.75 MHz）（非连续）
4.9 GHz频段（4 940～4 990 MHz）	50 MHz
5.9 GHz频段（5 850～5 925 MHz）	75 MHz

模式	自建自用		共建共享
网络建设	用户自建网络		政府/用户建设部分网络，其余运营商代建
使用频率	专用	专用	专用	专用+公有
基站建设	自建	运营商资源	运营商资源	自建+运营商资源
网络管理	用户自管	用户自管	运营商代管	运营商代管
代表国家	塞尔维亚、巴西	泰国	韩国、肯尼亚	美国

Review on the research of the global emergency communication spectrum

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