Design of Emergency Communication Command Application Based on Wireless Broadband
Earthquakes, floods, and continuous natural disasters have affected people's peaceful lives; traffic accidents, forest fires, and unpredictable emergencies test the society's emergency response capabilities. Past experience in emergency rescue work tells us that when responding to emergencies, it is important to carry out targeted emergency rescue work in an emergency.
At present, a systematic emergency plan has been formed around the emergency rescue work. The State Council and various provinces and cities have formulated various emergency plans in a targeted manner, and the State Council promulgated the Emergency Response Law. Among these emergency plans, it is indispensable to deal with the command and dispatch work at the emergency site, and to control the command and dispatch work at the emergency site, which will have a direct impact on the rescue and related work of the incident.
Judging from the current domestic practical application, the more widespread method of handling emergency scene command and dispatch is the emergency communication command vehicle based on wireless broadband.
The wireless broadband-based emergency command vehicle solution is characterized by the wireless broadband vehicle multimedia dispatching system of Gestre Technology, which includes the command center system, wireless broadband communication network, on-site emergency communication command vehicle system, and individual soldier visual dispatching. Terminals, handheld scheduling terminals, etc. After the system is completed, the command center can establish communication channels with on-site emergency vehicles through optical fiber transmission network, satellite network, microwave, etc., and on-site emergency vehicles can achieve on-site communication network coverage through McWiLL, WiFi, and 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, Jiesiri Technology's vehicle emergency dispatch system uses an advanced all-IP platform to integrate video, voice and other dispatch functions into one, which can realize video backhaul and emergency on the same wireless, wired and satellite channels. Various functions such as voice scheduling and video conference. At the same time, this vehicle-mounted multimedia scheduling 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.
Based on the solutions of WiFi and McWiLL wireless broadband technology, the biggest 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 like fire fighting, and the flow of people is limited to tens of meters. Applications. McWiLL is suitable for a wide range of applications, such as 10-15 km coverage area. Because of the wide transmission distance of McWiLL, McWiLL base station has the advantage of excellent coverage radius, so it is suitable for emergency dispatch of government and industry such as forestry fire prevention, earthquake disaster relief, port dispatching, etc. Especially when the communication base station is affected, it is necessary to build the communication base station by itself At this time, McWiLL's private network communication advantages can be fully utilized to improve and accelerate the efficiency of on-site emergency rescue.
The application characteristics based on McWiLL technology are reflected in the following aspects:
1. Various emergency command methods coexist:
Jiesirui technology communication command vehicle is based on the rear command center, which can transmit real-time images and data information to the command center through wired or wireless transmission (in special cases, through satellite transmission), so that the command center can control all kinds of Unified command and dispatch of resources and rescue sites. In addition, it also supports multi-dispatch station coordinated scheduling, which allows field personnel and command center personnel to implement remote coordinated scheduling, greatly improving the ability to work collaboratively.
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 the spot and independently conduct command and dispatch on the spot.
2. Build on-site communication system:
The communications command vehicle of GES Technology can provide wireless communication links to the scene through the on-board McWiLL base station equipment. On-site staff can be equipped with hand-held or individual soldier dispatch terminals, and the vehicle is equipped with on-board dispatch terminals and on-board video equipment. These on-site terminals implement voice and video communication through wireless links.
The on-site terminal can also realize voice and video communication with the communication equipment of the command center through the McWiLL base station equipment to realize the upload and release of dispatch tasks. In addition, the gateway equipment of the emergency communication command vehicle can directly connect the GSM and PSTN public network telephones to the on-site dispatch system.
3. Realize emergency multimedia conference:
Command centers, rescue sites and any other places equipped with multimedia interactive terminals can conduct multimedia interactive conferences integrating video, voice and data. The multimedia dispatching system allows users to initiate meetings via mobile phones and fixed lines, so that commanders can conduct on-site command at any time, without having to wait for a situation report in front of the dispatch desk to make decisions.
4. Support live video return:
Through the individual terminal video equipment and vehicle-mounted video terminal, the live image is uploaded to the emergency vehicle or command center in real time. The video server of the communication command vehicle or command center outputs the live image to the monitoring station for real-time display. The image is clear and the picture is smooth. The command center Leaders make various real-time decisions based on live images.
In addition, in terms of WiFi applications, Gestre Technology provides the overall solution based on vehicle and wireless deployment for the fire command system of Foshan, Guangdong, based on the application characteristics of WiFi technology in data collection. application.
1. The use of WiFi wireless coverage to achieve roaming communication functions, on-site staff can use mobile terminals and command vehicles for two-way communication within the wireless coverage.
2. When data monitoring and data collection are needed in the on-site environment, for example, in the event of a chlorine gas leak, the monitored data can be transmitted and communicated via WiFi, and processed for emergency rescue.
3. Through the WiFi network, on-site dispatchers can also obtain relevant emergency plans and data queries in a timely manner, and according to the actual situation on the spot, corresponding processing and data return should be carried out according to the tests in the plan.
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