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2017-04-24
The modernization of the infrastructure brings people an increasingly comfortable and convenient life. In the complex infrastructure, it includes mobile communications. Today we have become accustomed to where the signal is full of life, for many people, the signal less than two cells, we must complain loudly. But there is no thought, if one day we come up with the phone and found that there is no signal, there is a signal on the histogram, then how to do it?
During mobile communication services, mobile only the user's terminal, the operator's base station, fibre optic cable, switches and other equipment cannot move. Therefore, when a natural disaster or safety accident occurs, these immovable facilities can easily be destroyed. In the event of such a thing, there will be no signal on the phone. At this time, social media, sharing bicycles, online ordering, mobile phone shopping ... ... all not a wise light.
In response to this scenario, mobile operators will prepare some emergency communications vehicles. They are equipped with two main equipment, first VSAT satellite antenna or microwave antenna, used to connect with the rear of the backbone; the other is the temporary base station, allowing users to restore the signal cell phone.
China is a troubled country, just into the 21st century, we have experienced the Wenchuan earthquake, Zhouqu debris flow, Tianjin explosion and other major disasters, not to mention the southeast coast every year by the typhoon again and again attack. Therefore, for telecom operators, when a region of large-scale communication disruption, operators also in the vicinity of the region and even within the country to deploy emergency vehicles to support.
There is a solution can completely solve the problem of mobile communication base station paralysis, is through the tethered multi-rotor UAV communication system equipped with self-organizing radio stations, cluster micro base stations, micro base stations and other communications load, the formation of a variety of flexible Communication application configuration, in the core areas of the disaster area quickly open communication services. At the same time, in the rear emergency centre, the field command and the rescue team formed between the shortwave communication up to 40 km, broadband video communication up to 10 km large area coverage emergency communication network.
The air part is composed of high-altitude carrier base station equipment, base station antenna, machine connection equipment. One of the high-altitude carrier for the unmanned aircraft. Base station equipment for the cable transmission, the air part of the cable through the tethered in the carrier. And the ground part of the ground control system for unmanned aerial vehicles and ground transmission equipment for the core network connected to the ground transmission equipment. The ground transmission equipment connected to the core network may be optical fibre transmission device or transmission equipment that transmits the access network through a satellite.