Space network communication method based on WIFI

A communication method and space network technology, which is applied in short-distance communication and WIFI-based space network communication field, can solve the problems that have not yet collected data, and there are no explanations or reports in the aerospace field, so as to achieve efficient and fast recovery function, high-efficiency network self-discovery, etc. Organization, high applicability effect

Inactive Publication Date: 2014-04-16
SHANGHAI SATELLITE ENG INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] At present, there is no explanation or report on related technologies similar to the present invention in the field of aerospace, and no similar data at home and abroad have been collected yet.

Method used

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  • Space network communication method based on WIFI
  • Space network communication method based on WIFI
  • Space network communication method based on WIFI

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Embodiment Construction

[0026] 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.

[0027] The invention discloses a WIFI-based space network communication method, which includes a network topology structure, a network communication protocol structure and a network communication protocol.

[0028] The network topology is composed of a master node and multiple slave nodes, and data communication based on WI-FI standard can be performed between the master node and the slave nodes.

[0029] The network communication protocol structure includes three parts: data transmission layer, i...

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Abstract

The invention provides a space network communication method based on WIFI. Specifically, a network topology structure which mainly comprises one main node and a plurality of slave nodes is built, wherein data communication between the main node and the slave nodes can be carried out based on the WI-FI standard; the main node and the slave nodes abide by network communication protocols, wherein the network communication protocols comprise the slave node access protocol, the main node active data sending protocol and the slave node active data sending and receiving protocol; a network communication protocol structure on which the network communication protocols are based comprises a data transmission layer, an interface layer and an application layer, wherein the data transmission layer has a data transparent transmission function based on the WI-FI standard, the interface layer serves as a data transmission channel between the data transmission layer and the application layer, and the application layer is responsible for terminal processing of data transmission. The space network communication method has higher suitability, flexibility and reliability and can be applied to fields like the minisatellite constellation formation communication field and the aircraft on-orbit service communication field.

Description

technical field [0001] The invention belongs to the field of space network communication, and in particular relates to a WIFI-based space network communication method, which is especially suitable for short-distance communication within a 3km range of small satellite constellations. Background technique [0002] The traditional small satellite constellation communication is specially designed, which not only requires a lot of manpower and material resources, but also prolongs the development cycle. The WI-FI standard has been widely used in various fields such as human daily life, industrial production, and service industries. The technology is relatively mature and the technology cost is relatively low; The short-distance communication requirements within the range of 3km of the satellite; the communication method based on the WI-FI standard adopts the anti-collision carrier sense multiple access mechanism, which has higher reliability and stability; because the satellite i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W80/00H04W84/06
Inventor 侯建文李曙光沈朱泉裘俊陈荷
Owner SHANGHAI SATELLITE ENG INST
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