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Regional satellite communication navigation multimedia transmission exchange control system

A satellite communication and switching control technology, applied in video conference systems, two-way working systems, etc., can solve the problems of difficult long-distance navigation, limited radio wave propagation distance, unsatisfactory navigation methods, etc., to achieve simple network topology and routing, broadcast The effect of wide range and high resource or channel utilization

Inactive Publication Date: 2014-01-15
BEIJING HONGDA KEMEI TECH
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  • Abstract
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Problems solved by technology

For example, celestial navigation is to determine its own position and course by observing the position of celestial bodies. This method has simple equipment, but is limited by meteorological conditions; radio navigation is to receive radio waves sent by coast stations to determine the position of the ship itself. Although it Unaffected by weather conditions, but difficult for long-distance voyages due to the limited range of radio waves; other navigation methods are not satisfactory

Method used

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  • Regional satellite communication navigation multimedia transmission exchange control system

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Embodiment Construction

[0019] Such as figure 1 Shown is the system structure schematic diagram of the present invention, and regional satellite communication navigation (CAPS) multimedia transmission exchange control system comprises:

[0020] Transmission switching system, CAPS-based multimedia switching system is the control center of various multimedia business logics, controlling and connecting various types of services;

[0021] The video monitoring system realizes the conference control function, supports multimedia conferences and multi-party communication; can assign identification codes to the terminals that apply for speaking, control and switch video signals according to the instructions of the identification code holders, and increase or delete communication participation at any time during the communication process party without interrupting other call connections; at the same time, it also has the control function of information exchange, through the H.248 protocol, controls the MP to ...

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Abstract

The invention relates to a regional satellite communication navigation multimedia transmission exchange control system. The system comprises a transmission exchange system which is a CAPS-based multimedia exchange system serving as a control center of multimedia service logic with various types and used for controlling and continuing various services; a video monitoring system which has conference control functions and supports multimedia conferences and multi-part communication; and a video conferencing system which enables sound, images, figures, data and text mode information to be transmitted or interacted. Through adoption of the system, the channel time delay is long, the utilization rate of resources or channels is high, network topology and routing is simple, and the broadcast scope is wide.

Description

technical field [0001] The invention relates to a regional satellite communication navigation multimedia transmission switching control system. Background technique [0002] With the progress of mankind and the development of science and technology, mankind has invented a variety of navigation methods in production and life practice. For example, celestial navigation is to determine its own position and course by observing the position of celestial bodies. This method has simple equipment, but is limited by meteorological conditions; radio navigation is to receive radio waves sent by coast stations to determine the position of the ship itself. Although it Not affected by weather conditions, but due to the limited propagation distance of radio waves, it is difficult to use for long-distance voyages; other navigation methods are not satisfactory. Judging from the current technical level and the foreseeable future, satellite navigation technology is an ideal navigation tool. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N7/15
Inventor 方释魏照方明
Owner BEIJING HONGDA KEMEI TECH
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