警用数字集群(PDT)的自主创新之路  

The Independent Innovation of Professional Digital Trunking System

作　　者：蒋庆生[1] JIANG Qingsheng(First Research Institute of the Ministry of Public Security of RPC Researcher, Beijing 100086, China)

机构地区：[1]公安部第一研究所,北京100086

出　　处：《移动通信》2019年第3期1-5,11,共6页Mobile Communications

摘　　要：从PDT标准的制定背景、发展历程、关键技术、未来演进等几个方面对PDT自主创新之路进行了全面回顾和总结,希望PDT的成功经验能够在其他领域得到有效复制,助力"中国制造"到"中国创造"的完美转变。From several aspects of formulation standard, developmental history, key techniques and future evolution of professional digital trucking (PDT) system, the independent innovation road of PDT is reviewed and summarized comprehensively. It is expected that the successful experience of PDT can be referred by other fi elds to promote the perfect transformation from “Made in China” to “Created in China”.

关 键 词：公共安全 数字集群 PDT LTE 宽窄融合 

分 类 号：TN929.5[电子电信—通信与信息系统]