Application method of power modem in emergent communication

A technology of modem and application method, which is applied in the direction of electrical components, radio transmission systems, distribution line transmission systems, etc., can solve the problems that the ground Internet cannot be well supported, and achieve the effect of convenient and high-efficiency communication methods

Active Publication Date: 2008-01-09
NANJING CHINA SPACENET SATELLITE TELECOM
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  • Summary
  • Abstract
  • Description
  • Claims
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Problems solved by technology

Obviously, the existing terrestrial Internet cannot be well supported, and the above problems can be solved through satellite channels: the remote nodes can establish a direct connection with the center, and the large-capacity multimedia data can be directly transmitted in place.

Method used

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  • Application method of power modem in emergent communication

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Embodiment Construction

[0015] This specific embodiment further describes in detail the practical application of the present invention in combination with technical solutions and drawings.

[0016] As shown in the drawings: the application method of the power modem of the present invention in emergency communication includes a ground conversion unit 4, one end of the ground conversion unit 4 is connected with the first satellite receiving and transmitting unit 2 through a network cable, and the other end of the ground conversion unit 4 Connect with the first auxiliary unit 3 of the IP-based equipment, the first satellite receiving and transmitting unit 2 is connected with the main station unit 1 through satellite wireless transmission; the main station unit 1 is connected with the second satellite receiving and transmitting unit 5 through satellite wireless transmission, The second satellite receiving and transmitting unit 5 is connected to the second auxiliary unit 6 of the IP-based equipment through...

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Abstract

The invention is concerned with the based band signal transmission technique through the electric power line for argent communication of the electric power modem. It includes: the ground conversion unit (-) with one end connects the first satellite acceptance emission unit (-) through the net and the other end connects the first assistant unit (-) based on the IP equipment, and the first satellite acceptance emission unit (-) connects the master station unit (-) through the wireless satellite transmission; the master station unit (-), then through wireless satellite transmission, connects the second satellite acceptance emission unit (-), which meets the second assistant unit (-) connection based on the IP equipment through the net; the ground transition unit (-) turns the present electric power line to net for operating through the pair of the electric power modem.

Description

technical field [0001] The invention relates to a technology for transmitting a baseband signal through a power line, and belongs to the technical field of wired network communication. Background technique [0002] Due to the lack of terrestrial communication bandwidth resources in many areas of my country at this stage, it is impossible to fully support streaming media transmission. At the same time, Internet operators implement restrictive online broadcasting services in order to prevent network broadcasting storms; Occupied, many policies are set to restrict video applications. But some, such as distance classroom teaching, are characterized by a large amount of downlink information on the network, and most of them are mainly images and sounds. Obviously, the existing terrestrial Internet cannot support it well, and the above-mentioned problems can be solved precisely through the satellite channel: remote nodes can establish a direct connection with the center, and large-...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B3/54H04L12/56H04B7/185
Inventor 李玮张锐陆镭
Owner NANJING CHINA SPACENET SATELLITE TELECOM
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