The VSAT satellite communication system is with small equipment, compact structure and easily installation, and it has no special requirement for the environment. It is cheap and hard to be disturbed and limited by the ground network. It has specific intelligent characteristics and strong networking flexibility. The VSAT satellite communication system can provide data transmission service, language transmission service, fax transmission service, image transmission service and signal transmission service, with high communication efficiency and good communication signal stability.
Compared with traditional communication technology, VSAT satellite communication technology has great advantages and can effectively improve the communication capability. It has the traditional satellite communication advantages, and also effectively compensates the shortcomings of traditional communication. Moreover, the VSAT terminal equipment has cost efficiency.
It is proved that a VSAT satellite communication system can allow access up to 1000 small stations and terminals, and can carry out two-way communication. In specific applications, the networking mode is flexible, which can be divided into three categories: mesh type, star type and hybrid type. It can be used in meteorological, civil aviation, geography, military, petroleum, navigation, industry and communication in remote areas. For example, the application of VSAT satellite communication technology in the field of navigation can achieve GPS global positioning with low communication delay and can locate objects accurately.
Because the VSAT satellite communication system has a small antenna and has no special requirement for the environment, it will not cause the termination of communication and positioning due to the deviation of the satellite antenna, which solves the problem of antenna stability and immobility. In addition, the VSAT satellite system has a high level of self control capability and can automatically align with the satellite to obtain the maximum value of the signal, so the position information is more accurate and faster. Such a powerful positioning and navigation function can be used in traffic management, railway operation scheduling and other aspects.
In recent years, the application of VSAT satellite communication technology to the broadband field in the maritime VSAT market has also become an important research direction. With the VSAT satellite communication technology, the transmission, download, interconnection and reception of file and software can be implemented. The communication rate can reach Mbps from Kbps, and the speed is still improving. It creates condition for the revolution of broadband technology. However, in reality, the VSAT satellite communication technology needs to be considered the network communication protocol and network supervision protocol, so there are still some limitations in the practical application.
VSAT satellite communication technology can also be applied in marine communication. Marine communication involves voice service, signal service and data service. The traditional communication mode has low efficiency and poor result, and cannot meet the communication needs. The marine communication system based on VSAT satellite communication technology cannot only provide traditional voice and data services, but also provide GPS and GSM services, and can enter the network to achieve a high-performance seamless communication. It can receive meteorological data and emergency alarm in real time, effectively improve the maritime safety and solve the problem of marine communication. In the near future, VSAT satellite communication technology will become the mainstream marine communication technology.