How do emergency command vehicles communicate after a disaster?
After a disaster, the emergency command vehicle arrives at the disaster site, and realizes data communication and relay communication with the rear emergency command center through satellite communication, ground fixed cable communication, and ground mobile communication networks.
Which emergency communication system should be used at a disaster site?
The emergency network at the disaster site can be deployed by emergency communication vehicles; however, in the case of complex terrain environments, such as earthquakes and floods, satellite communication system is a better choice.
What is a VHF base station?
A VHF (Very High Frequency) base station is a fixed communication device that operates within the 30 MHz to 300 MHz frequency range. Known for their superior range and clarity in open environments, VHF base stations are ideal for applications that require communication across vast, unobstructed areas such as rural landscapes, and outdoor events. 1.
What is an emergency communication system?
An emergency communication system comprises the integration and application of various communication technologies and approaches in an emergency.
What is emergency satellite communication?
The traditional emergency satellite communication is mainly an FSS system, which uses a C/Ku high orbit satellite to construct the VSAT satellite communication system. However, in recent years, the MSS system has played an increasingly important role in major natural disasters, especially within 72 h of the disaster.
When should an emergency communication network be built?
However, once a disaster occurs, the traditional communication network is fragile; at this time, a temporary communication system, namely an emergency communication network, should be built as soon as possible.
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