“The more characteristic of the emergency command vehicle solution based on wireless broadband is the wireless broadband vehicle multimedia dispatching system of Jisirui Technology, which includes the command center system, wireless broadband communication network, on-site emergency communication command vehicle system, and individual visual dispatching. Terminal, handheld dispatch terminal, etc.After the system is completed, the command center can establish a communication channel with the on-site emergency vehicle through optical fiber transmission network, satellite network, microwave, etc., and the on-site emergency vehicle can achieve on-site communication network coverage through McWiLL, WiFi, WiMAX, GSM, CDMA and other wireless technologies. Establish a communication link between the command vehicle, on-site mobile individual equipment, and handheld devices
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Earthquakes, floods, and continuous natural disasters attack people’s peaceful lives; traffic accidents, forest fires, and unforeseen emergencies test the society’s emergency response capabilities. Past emergency rescue work experience tells us that when responding to emergencies, urgently targeted emergency rescue work should be put in place.
At present, a systematic emergency plan has been formed around emergency rescue work. The State Council and various provinces and municipalities have formulated various emergency plans, and the State Council has promulgated the “Emergency Response Law.” Among these emergency plans, it is indispensable to handle the command and dispatch work at the emergency scene, and to control the command and dispatch at the emergency scene will have a direct impact on the rescue and related work of the incident.
Judging from the current domestic practical applications, a more extensive method of handling emergency on-site command and dispatch is the emergency communication command vehicle based on wireless broadband.
The more characteristic of the emergency command vehicle solution based on wireless broadband is the wireless broadband vehicle multimedia dispatching system of Jisirui Technology, which includes the command center system, wireless broadband communication network, on-site emergency communication command vehicle system, and individual visual dispatching. Terminal, handheld dispatch terminal, etc. After the system is completed, the command center can establish a communication channel with the on-site emergency vehicle through optical fiber transmission network, satellite network, microwave, etc., and the on-site emergency vehicle can achieve on-site communication network coverage through McWiLL, WiFi, WiMAX, GSM, CDMA and other wireless technologies. Establish communication links between command vehicles, on-site mobile individual equipment, and handheld devices.
From the perspective of application functions, the in-vehicle emergency dispatch system of Jisirui Technology adopts an advanced all-IP platform, which integrates dispatching functions such as video and voice into one. It can realize video return and emergency on the same wireless, wired, and satellite channels. Multiple functions such as voice scheduling, video teleconference, etc. At the same time, this vehicle-mounted multimedia dispatching system can also organically integrate wireless clusters, public network communication systems, and IP communication systems to solve the problem of interconnection and intercommunication of various communication terminals in emergency situations.
Design of Emergency Communication Command Based on Wireless Broadband
Based on WiFi and McWiLL wireless broadband technology solutions, the major application difference between the two is the size of the coverage area. WiFi is only about tens of meters, so it is suitable for fixed vehicles such as firefighting, and the flow of people is limited to a range of tens of meters. Applications. McWiLL is suitable for a wide range of applications, such as a coverage area of ​​10-15 kilometers. Due to the wide transmission distance of McWiLL, the McWiLL base station has an excellent coverage radius advantage. Therefore, it is suitable for government and industry emergency dispatch such as forestry fire prevention, earthquake relief, port dispatch, etc., especially when the communication base station is affected and needs to be built by itself. At the time, it can give full play to the advantages of McWiLL’s private network communication, and improve and speed up the efficiency of on-site emergency rescue.
The application characteristics based on McWiLL technology are embodied in the following aspects:
1. Multiple emergency command methods coexist:
The Gesirui Communication Command Vehicle is a platform for the back command center. It can transmit real-time images and data information back to the command center through wired or wireless transmission (via satellite transmission in special cases), so that the command center can communicate with various Unified command and dispatch of resources and rescue sites. In addition, it also supports coordinated scheduling of multiple dispatching stations, which allows on-site personnel and personnel in the command center to realize remote coordinated scheduling, which greatly improves the ability of work coordination.
At the same time, the communication command vehicle can also rely on multiple levels of wired and wireless networks to quickly establish a temporary command center on site and conduct independent command and dispatch on the site.
2. Build on-site communication system:
The communication command vehicle of Jisirui Technology can provide a wireless communication link for the scene through the on-board McWiLL base station equipment. On-site staff can be equipped with hand consoles or individual dispatch terminals. Vehicles are equipped with on-board dispatch terminals and on-board video equipment. These on-site terminals can communicate with each other through wireless links.
The on-site terminal can also realize the voice and video communication with the communication equipment of the command center through the McWiLL base station equipment, and realize the upload and release of scheduling tasks. In addition, the gateway equipment of the emergency communication command vehicle can directly connect GSM and PSTN public network telephones to the on-site dispatch system.
3. Realize emergency multimedia conference:
Multimedia interactive conferences integrating video, voice, and data can be held in the command center, rescue site, and any other places equipped with multimedia interactive terminals. The multimedia dispatch system allows users to initiate conferences via mobile phones and fixed phones, so that commanders can conduct on-site command at any time, without waiting for the situation report in front of the dispatching desk to make a decision.
4. Support live video return:
Through individual soldier terminal video equipment and vehicle-mounted video terminal, the scene image is uploaded to the emergency vehicle or the command center in real time, and the video server of the communication command vehicle or the command center outputs the scene image to the monitoring station for real-time Display. The image is clear and smooth, and the command center Leaders make various real-time decisions based on live images.
In addition, in terms of WiFi applications, Giesirui Technology provides an overall solution based on vehicle-mounted and wireless deployment for the fire command system in Foshan, Guangdong based on the application characteristics of WiFi technology in data collection, and has more typical solutions in the following aspects application.
1. Use WiFi wireless coverage to realize the roaming communication function. The on-site staff can use the mobile terminal and the command vehicle for two-way communication within the wireless coverage.
2. When the on-site environment requires data monitoring and data collection, such as a chlorine leak event, the monitored data can be transmitted and communicated via WiFi, and processed in emergency rescue.
3. Through the WiFi network, on-site dispatchers can also retrieve relevant emergency plans and data inquiries in time, and perform corresponding processing and data return according to the actual conditions of the site, corresponding to the tests in the plan.
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