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针对公共安全行业无线专网技术演进的重要阶段,阐述了目前公安行业窄带数字集群PDT通信系统发展现状以及宽带化的发展趋势,提出了适合公安行业专网演进的宽窄带融合理念,并详细介绍了技术方案。
Aiming at the important phase of the evolution of wireless private network in the public safety industry, the present situation of the development of narrowband digital trunking PDT communication system in the public security industry and the development trend of broadband are expounded. The concept of wideband and narrowband convergence which is suitable for the evolution of private network in the public security industry is put forward. The technical program.