Long-distance wifi module MESH ad hoc network emergency communication

      2022-07-04 871

      Long-distance wifi module MESH ad hoc network emergency communication city anti-terrorism solution, emergency communication is a special kind of rapid response provided to deal with natural or man-made emergencies, comprehensively use various communication resources, and ensure emergency rescue and necessary communication. communication mechanism. When various natural disasters and emergencies pose a threat to the safety of people's lives and property, and when normal communication cannot be guaranteed, in order to carry out emergency communication reliably and effectively, and command rescue missions, a set of long-distance wifi module MESH ad hoc network communication is established. The system is an important guarantee for the emergency rescue of various emergencies.

      Long-distance wifi module MESH ad hoc network emergency communication

      In order to reduce emergencies and their casualties and losses, and ensure the safety of people's lives and properties, it is necessary to do emergency preparations, monitoring and early warning, disposal and rescue. The unimpeded communication network is very important to quickly respond to disasters, and powerful emergency rescue capabilities can create miracles in times of crisis!

      Efficient emergency communication means play a key role, but public safety departments often face problems such as lack of on-site awareness, slow emergency response, and difficulty in departmental cooperation. Video is becoming more and more important in handling public safety events, and visual information transmission is becoming mainstream. Therefore, in the face of the actual emergency needs under the new situation, Tengyuan Zhituo launched the MESH emergency communication system according to the characteristics of emergency operations and communication support. schedule.


      The urban anti-terrorism emergency communication command system system, the front personnel can carry the long-distance wifi module mesh ad hoc network single device, and the video and voice modules can be integrated inside, which can realize wired connection with the single-person head-mounted camera and bone conduction headset. On-site audio and video pictures can be transmitted to the front command platform through a single-person device ad hoc network, and then transmitted to the central platform through platform docking. At the same time, the wifi coverage function of a single device can realize the interconnection with the single-person smart terminal, the handheld single-person device, and the PAD waiting device to connect to the entire large network through the wifi of the mesh single-person device.


      A single person can be interconnected on site, and a single person can be interconnected with the on-site command platform. The front-end platform is laid out in advance through the 4G network, satellite network or backbone network wireless transmission network (the backbone network node can prevent the long-distance wifi module mesh to achieve interconnection with the central platform, and realize an integrated command and dispatch system.


      Features of Urban Anti-Terrorism Emergency Communication Solution:


      Strong environmental adaptability, the system can work in non-line-of-sight environments and adapt to complex geographical environments in emergency situations. The coverage is wider than the plain, and the coverage of a single central station can reach 5-10km in moderate rolling hills or urban environments (the coverage distance is related to the height of the central station antenna); the coverage under line-of-sight transmission conditions can reach 10-20km.


      Devices with strong anti-interference ability can automatically adjust the modulation method and transmit power according to channel conditions. Eliminate interference from other signals. You can also manually turn off some carriers to prevent interference with others. Strong anti-fading ability OFDM has good anti-multipath fading ability. OFDM transmits a set of data through multiple sub-carriers, and the signal time on each sub-carrier is many times longer than that on the same-speed single-carrier system, making the signal time on each sub-carrier many times longer than the same-speed single-carrier system. OFDM is very resistant to impulse noise and fast channel fading.


      The flexible networking of the long-distance wifi module is truly plug-and-play. Adopt private equipment MESH communication protocol. Ethernet interface, transparent transmission, connected with equipment, power supply can communicate automatically. It's easy to expand. In network applications, it is possible to switch between different modes according to network scale, structure and speed requirements.


      Real-time online monitoring: achieve efficient interaction, accurate and effective command and dispatch capabilities.


      Emergency alarm: quickly lock the real-time location of the alarm personnel, and deal with it immediately and accurately.


      Multi-channel data information transmission: ensure real-time scheduling and smooth communication between the command center and the on-duty personnel.


      Multi-level scheduling: Multi-level scheduling commands can be selected for emergencies to achieve fast and accurate command and scheduling processing.


      Excellent reliability: fully consider the product features such as electromagnetic compatibility, shock resistance, temperature and humidity suitable for field work environment.


      Simple operation: The operation is simple and clear, no special training is required for the user, the device transmits Ethernet data transparently, and no additional configuration of the device is required in use, and all data based on the network can be transmitted.


      Personalized customization: can provide customers with personalized multi-platform system solution customization.


      Fault self-checking function: The component fault system automatically informs the dispatch center and equipment maintenance personnel.


      Low cost: The long-distance wifi module system is equivalent to the standard cluster mode, and the cost is low for digital management in various industries.


      Convenient maintenance: Compatible with different frequency bands, various voice communications, data access interconnection, and maintenance is more convenient.


      Low cost of use: When using long-distance wifi module equipment, there is no other use cost except labor.


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