Small station for VSAT system
A small station and filter technology, applied in the field of satellite communication, can solve the problems of inability to implement command and control protocols, increasing system complexity, and difficulty in installation and debugging.
Inactive Publication Date: 2016-08-17
CHINA STAR COMM CO LTD
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Problems solved by technology
Use two transmission lines to connect, which will increase the complexity of the system and the difficulty of installation and debugging
With the improvement of the integration level of the current small station, the interface between the traditional transceiver and the modem cannot implement many more complex command and control protocols, such as reading the working status and health status of the transceiver, and adjusting the polarization state of the transceiver and many more
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[0027] In order to facilitate the understanding of the present invention, the present invention will be described more fully below with reference to the associated drawings. Preferred embodiments of the invention are shown in the accompanying drawings. However, the present invention can be embodied in many different forms and is not limited to the embodiments described herein. On the contrary, these embodiments are provided to make the understanding of the disclosure of the present invention more thorough and comprehensive.
[0028] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the technical field of the invention. The terms used herein in the description of the present invention are for the purpose of describing specific embodiments only, and are not intended to limit the present invention. As used herein, the term "and / or" includes any and all combinations of one or more of ...
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The invention relates to a small station for a VSAT system. The small station for the VSAT system comprises a modem, a transceiver, a transmission line and an antenna. A first interface is arranged on the modem, and a second interface is arranged on the transceiver; the first interface and the second interface are connected by the transmission line to transmit and receive intermediate frequency signals interactively communicated by the modem and the transceiver. Meanwhile, a plurality of filters are arranged in the modem and the transceiver, so that the transmitted intermediate frequency signals and the received intermediate frequency signals are separated, i.e., the transmitting and receiving of the intermediate frequency signals can be transmitted in the same transmission line and cannot be affected each other. Since the receiving and transmitting of the intermediate frequency signals can be transmitted in the same transmission line, the installation and commissioning of the small station for the VSAT system are facilitated, and the installation cost is also reduced.
Description
technical field [0001] The invention relates to the technical field of satellite communication, in particular to a VSAT system small station. Background technique [0002] In recent years, very small aperture satellite terminal station (Very Small Aperture Terminal, VSAT) is also called satellite small data station (small station) or personal earth station (PES), satellite communication technology develops rapidly, because of its strong flexibility, reliable High performance, easy to use, and the small station can be directly installed on the user end. Using the VSAT user data terminal, it can be directly connected to the computer network to complete communication tasks such as data transmission, file exchange, and image transmission, thus getting rid of the need for long-distance communication ground relay stations. question. The VSAT satellite communication system consists of a main station, a communication satellite transponder and a small station, and the small station ...
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IPC IPC(8): H04B7/185
CPCH04B7/185H04B7/18517H04B7/18528
Inventor 毕小斌姚建可丁庆
Owner CHINA STAR COMM CO LTD