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Solutions to civil air defense ultrashort wave PDT digital trunking communication system
[2014-02-25 14:07]

  I. Sector Demand

  Civil air defense command and communication system is the important platform of civil air defense command and urban emergency rescue, and takes on tasks of doing the people's air defense exercise at ordinary times and information collection, communication, command, and coordination, etc. in the war field. .It is mainly composed of ground air-defense emergency command center, underground command post and civil air defense mobile command system, performing functions as mutual complementation, interconnection and internetworking, and the independent command. With the advancement of civil air defense integration, the civil air defense sector plays a more and more important role in rescue and relief work and emergency rescue work. At the same time, the civil air defense sector is given higher requirements in its ability to have emergency communication. .

  To strengthen and to speed up the construction and development of the civil air defense wireless communication system has become an important safeguard measure for promoting the ability of air defense and disaster prevention. To achieve the further development of the civil air defense wireless communication, one must be combined with the characteristics and functional requirements such as civil air defense on-site command and dispatch, cooperation, rapidness and effectiveness, security and confidentiality; one must set up the civil air defense wireless communication network – flexible and easy management, resource sharing, simple and friendly user operation, easy for all departments to work together, and fast and efficient on-site group command and dispatch – which is imperative, by using the latest private network wireless communication technology and equipment; and one must establish a scientific and advanced communication and command network system. Thus, one can deal with all kinds of emergencies calmly and in order in the face of sudden events; relieve people's life and property losses; and maintain the development of social harmony and stability.

  II. System Features and Solutions:

  ADT-2000 is a new generation of the entire network IP soft switch PDT digital trunking communication system independently researched and developed by AECTEC. The system is developed in the advanced design concept, combined with nearly 20 years of experience in the technology, the accumulation of products, and the support for emergency command and communication in the field of professional mobile communication, fully absorbing advantages of existing analog and digital trunking system and taking the latest development of mobile communication at home and abroad for reference. It complies with the PDT digital trunking communication standard in our country and meets the requirement of civil air defense departments for the private wireless communication business of the on-site emergency group command and dispatch.

 

 

  According to the administrative mode and hierarchical command mode of civil air defense departments, ADT-2000 system forms the network management at the national, provincial, city, and county levels in its multistage PDT switch configuration and with hierarchical management and permissions settings. Through the combination of centralized management and decentralized management, the system can not only realize entire network unified management, unified monitoring and dispatch, but also can achieve localized level-to-level administration, monitoring and dispatch in line with the provincial regions to facilitate unified and hierarchical administration, maintenance, command and dispatch.

  As an important part of the country's civil air defense information system construction, the establishment of the national civil air defense ultrashort wave wireless digital trunking communication system manifests a variety of advantages: a set of advanced technology, practical, good maneuverability, high reliability, flexible field networking, strong in security and privacy, with complete coverage of urban areas and major townships of various regions. The system can be both used in three-level air defense emergency command during war time and be able to take on the local daily tasks for natural disasters and accidents to realize the combination of operations in peace time and war time, unified command, unified dispatch, and resource sharing. It provides government departments with a private wireless communication network in case of emergencies, allowing the leadership in government departments at all levels to master the on-site information first time through the wireless emergency communication system and conduct smooth command accordingly.

  ADT - 2000 system has the following features:

   Base station network and emergency safeguard

  ADT-2000 system provides the ability of control, switch, system and user management of central base station configuration, and provides the networking among 6 and below base stations in case of systematic fault of the switch management center, forming a unique multilevel redundant backup to achieve the networking communication in core areas in a state of emergency.

  Digital /analog connectivity and unified command

  ADT - 2000 system provides the digital/analog interconnection gateway, connects the original analog relay system or trunking system to the air-defense PDT system, and performs unified command and dispatch so as to facilitate civil air defense construction of the PDT system in stages across the country, implement the gradual transition of analog system to digital system and protect the user’s original investment.

  Integrated mobile base stations, suitable for vehicle-mounted/portable purposes

  ADT-2000 mobile base stations are in switches/base stations-integrated design configuration to meet the requirements for vehicle-mounted and portable environments. The base station provides a variety of wireless private network and public network link interfaces to facilitate networking with and access to the local trunking; the system also has the capability of video processing and interfaces to meet the demand of on-site emergency command center for all kinds of information transmission.

  Strong business application ability

  ADT-2000 system is combined with voice and data, being able to do simultaneous processing of more talking and providing the multimedia message service and short data transmission business to facilitate the real-time release of disaster warning information and air defense warning information, etc.

  High level communication security

  The system provides encryption interface. And it can be specially designed for security encryption specification for high level communication security requirements and can be designed in civil air defense security unified encryption technology from system to mobile terminal so as to fully guarantee high-level communication security.

  III. Typical Cases

  ADT-2000 PDT digital trunking communication system has been applied in civil air defense emergency communication projects in .Haikou, Hebei, Ningxia and Guangdong, etc.

 

 

三、典型案例

ADT-2000 PDT数字集群通信系统已经在广东、河北、宁夏和海南等人防办的应急通信项目中得到应用。

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Product By: Beijing fractal-technology