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An omnidirectional inter-satellite communication link based on double-satellite orbiting formation

A technology of inter-satellite links and communication links, which is applied in the field of aerospace vehicles, can solve problems such as not yet collected data, no explanations or reports have been found, and achieve the effect of optimizing communication timeliness and ensuring forwarding delay

Active Publication Date: 2021-04-27
SHANGHAI SATELLITE ENG INST
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Problems solved by technology

[0004] At present, there is no description or report of the similar technology of the present invention, and no similar data at home and abroad have been collected yet.

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  • An omnidirectional inter-satellite communication link based on double-satellite orbiting formation

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Embodiment Construction

[0014] The present invention will be described in detail below in conjunction with specific embodiments. The following examples will help those skilled in the art to further understand the present invention, but do not limit the present invention in any form. It should be noted that those skilled in the art can make several modifications and improvements without departing from the concept of the present invention. These all belong to the protection scope of the present invention.

[0015] Such as figure 1 As shown, the embodiment of the present invention provides an omnidirectional inter-satellite communication link based on a double-star fly-around formation, including an omnidirectional inter-satellite communication antenna array, a radio frequency channel, an inter-satellite link management unit and an inter-satellite baseband, and an antenna 180° reverse layout is adopted, each antenna has a field of view of 180°, and two antenna patterns pointing oppositely form an ante...

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Abstract

The invention discloses an omnidirectional inter-satellite communication link based on double-star fly-around formation, including an omnidirectional inter-satellite communication antenna array, a radio frequency channel, an inter-satellite link management unit, an inter-satellite baseband, and an inter-satellite link management unit Control the 2-way inter-satellite baseband to send and receive data of a group of inter-satellite radio frequency channels, and the inter-satellite link composed of the 2-way inter-satellite baseband, radio frequency channel, and inter-satellite antenna realizes the heterogeneous synchronous transmission and reception of inter-satellite data; The inter-satellite link of a satellite can capture, track and select two heterogeneous signals of other satellites at the same time; and can independently adjust the rate according to the current inter-satellite distance and whether the inter-satellite communication is normal; the work of the inter-satellite link The mode configuration and control are managed synchronously by the inter-satellite link management unit. The invention solves the problem that the omnidirectional communication cannot be performed due to the existence of the interference area of ​​the traditional omnidirectional array antenna.

Description

technical field [0001] The invention relates to an aerospace vehicle, in particular to an omnidirectional inter-satellite communication link based on a formation flying around two stars. Background technique [0002] In order to meet the needs of inter-satellite communication for double-satellite formations used in orbiting formations, the design of the related omnidirectional inter-satellite communication link is carried out for the needs of omnidirectional and full-time communication. [0003] There are many design schemes of inter-satellite communication links that have been realized at home and abroad, but these inter-satellite links are based on the directional, intermittent, and simplex communication links of follow-up and accompanying formations, which cannot meet the omnidirectional, Full-time, duplex inter-satellite communication needs. The traditional measurement and control scheme, because of its quasi-omnidirectional characteristics, that is, the existence of th...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04B7/185
CPCH04B7/18521
Inventor 温俊健徐敏沈小龙侯蕾吴远波赵迪李楠
Owner SHANGHAI SATELLITE ENG INST
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