Full-duplex inter-satellite link system capable of switching receiving and sending frequencies, and method

An inter-satellite link, full-duplex technology, used in transmission systems, duplex signal operations, radio transmission systems, etc., can solve the problems of fixed sending and receiving frequencies, inability to achieve flexible configuration of inter-satellite links, and simplify design and manufacturing. Effect

Active Publication Date: 2018-11-02
XIAN INSTITUE OF SPACE RADIO TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] When the FDMA form is used to realize the full-duplex inter-satellite link, the satellites are divided into A and B classes, and their sending and receiving frequencies are fixed, which cannot realize the flexible configuration of the inter-satellite link on orbit

Method used

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  • Full-duplex inter-satellite link system capable of switching receiving and sending frequencies, and method
  • Full-duplex inter-satellite link system capable of switching receiving and sending frequencies, and method
  • Full-duplex inter-satellite link system capable of switching receiving and sending frequencies, and method

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Embodiment Construction

[0048] A full-duplex inter-satellite link system with switchable sending and receiving frequencies, the link system includes more than two satellites, each satellite has multiple full-duplex inter-satellite link devices, and each satellite on each satellite Full-duplex inter-satellite link equipment includes transmit baseband, receive baseband, transmit local oscillator, transmit channel, receive local oscillator, receive channel, duplex components and antennas with switchable transmit and receive frequencies;

[0049] Each full-duplex inter-satellite link device realizes the reception or transmission of signals with the full-duplex inter-satellite link devices on other satellites through its internal antenna;

[0050] The transmitting baseband generates baseband signals for inter-satellite measurement and communication according to the inter-satellite radio frequency signal communication protocol and sends it to the transmitting channel;

[0051] The transmitting local oscill...

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Abstract

The invention relates to a full-duplex inter-satellite link system capable of switching receiving and sending frequencies, and a method, and belongs to the technical field of inter-satellite link technology design. The system comprises more than two satellites; each satellite is provided with multiple full-duplex inter-satellite link devices; and each full-duplex inter-satellite link device on each satellite comprises a transmitting baseband, a receiving baseband, a transmitting local oscillator, a transmitting channel, a receiving local oscillator, a receiving channel, a duplex component capable of switching the receiving and sending frequencies, and an antenna. The full-duplex inter-satellite link system capable of switching the receiving and sending frequencies is realized; design manufacturing of the inter-satellite link devices is simplified; therefore, batch production of the inter-satellite link devices can be carried out; and re-configuration of on-orbit inter-satellite links also can be flexibly carried out.

Description

technical field [0001] The invention relates to a full-duplex inter-satellite link system and method with switchable transceiver frequencies, belonging to the technical field of inter-satellite link technology design. Background technique [0002] The second-phase project of my country's Beidou second-generation satellite navigation system will be expanded to a global satellite navigation system based on the first-phase project. The establishment of inter-satellite links is an effective means to improve the global system operation control capability, improve the accuracy of the space-time reference and improve the autonomous operation capability of the constellation. The inter-satellite link provides a wireless transmission channel between satellites, and uses two-way measurement and data exchange between satellites to perform autonomous orbit determination and time synchronization of the constellation, independently maintain the constellation coordinates and time reference,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B7/185H04B1/00H04B1/401H04L5/14
CPCH04B1/0057H04B1/006H04B1/401H04B7/18521H04L5/14Y02D30/70
Inventor 蒙艳松徐连军胡涛褚晓伟郑先安
Owner XIAN INSTITUE OF SPACE RADIO TECH
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