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”.
作者
蒋庆生
JIANG Qingsheng(First Research Institute of the Ministry of Public Security of RPC Researcher, Beijing 100086, China)
出处
《移动通信》
2019年第3期1-5,11,共6页
Mobile Communications
关键词
公共安全
数字集群
PDT
LTE
宽窄融合
public security
digital trunking
PDT
LTE
broadband and narrowband convergenc
