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Digital Trunked PMR Network (TETRA+PDT) of Liaoning Provincial Public Security Department

Background
The radio communication guarantee of Public Security Department is the basic and supportive work for serving the whole Liaoning province, and is an important basis for ensuring the smooth flow of police orders in major security activities. Although the construction and application of the radio communication system of Public Security Department in Liaoning Province have achieved remarkable results, compared with the new situation, new tasks and new requirements, there is still a certain gap, especially in the event of major emergencies, it is difficult to meet the actual needs of unified command, quick responsiveness, and orderly coordination. For example, in the cross-regional transfer of police force and the regional unified execution of police work organized by the superior functional departments, and the interconnection of various departments is particularly important. In order to cope with various unstable factors, ensure the normal operation of daily police activities, major security activities (such as The 12th National Games in Liaoning), emergency response, etc., building an efficient, safe, reliable and scalable private radio network of Public Security Department in Liaoning as soon as possible has become imminent.

Solution


The construction of PMR Network of Liaoning Public Security Department adheres to the construction principle of unified planning, interconnection and roaming in the province. The province's police digital trunked radio system was established by means of hierarchical construction, with the provincial office system as the mainstay and the local city system as the branch to build an“unified professional network”. The provincial Public Security Department is interconnected, and coordinated orderly with the Ministry of Public Security, the provincial government, and local cities, and is combined with the existing cable dispatching system to build an integrated command and dispatch platform, so all units can use the network seamlessly in the province, the whole communication process is guaranteed, real-time positioning of individual soldiers and vehicles, and real-time command and dispatching can be achieved.
The 350M digital trunked network of Liaoning Provincial Public Security Department covers the whole province to perfectly realize the TETRA and PDT hybrid networking. The provincial office has an exchange center (1+1 disaster recovery configuration) in provincial level, network management, dispatching system and interconnection gateway. Each city has an exchange center in city-level, base stations, network management systems, network-wide recording systems, visualized command and dispatch systems, docking with the police platform and PGIS platform to meet the police security requirements.

Customer Value
The 350M digital trunked network of Liaoning Provincial Public Security Department covers the whole province to perfectly realize the TETRA and PDT hybrid networking. It has effectively protected the existing investment of public security users, and realized system-level interconnection between the Ministry of Public Security, the provincial and municipal networks, and the networks of cities and towns, including full-signal coverage along the cities, provincial police stations, and Dandong border defense. The completed digital trunked network is successfully connected with the existing 110 command center/radio dispatching system, PGIS geographic information platform, secure access platform, integrated police information platform, MPT-1327 analog system and wired telephone system. All units can seamlessly use the network in the province, the communication is guaranteed throughout the whole process, real-time positioning and real-time command and dispatch are realized for individuals and vehicles, which effectively improves the efficiency daily police duties of Liaoning public security, communication guarantee for major activities and emergency response capability for counter-terrorism. In 2013, the Digital PMR Network of Liaoning Provincial Public Security Department successfully guaranteed the smooth holding of the 12th National Games.

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