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Method and device for integration of real-time and delayed channel of satellite baseband data processing system

A technology for processing system and baseband data, which is applied in the field of satellites, can solve problems such as high system complexity, and achieve the effects of simplifying complexity, enhancing information timeliness, and reasonable design methods

Inactive Publication Date: 2012-12-05
SHANGHAI SATELLITE ENG INST
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Problems solved by technology

[0003] In order to solve the problem of higher system complexity caused by the separate design and construction of physical channels for real-time transmission and delayed transmission in polar orbit application satellites in the past, the purpose of the present invention is to propose an integrated design of real-time and delayed channels method, by utilizing the present invention, the purpose of simplifying the complexity of the system can be realized conveniently and reliably

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  • Method and device for integration of real-time and delayed channel of satellite baseband data processing system

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Embodiment Construction

[0024] With the expansion of satellite application fields and the improvement of business requirements, the payload will have the characteristics of diversification, large amount of detection data, strong real-time transmission, and high download rate. Design puts forward higher requirements. The invention will provide reference and design basis for the design of real-time and time-delay channels in the baseband data processing system that will be used in the future.

[0025] Such as figure 1 Shown is the functional block diagram of the integrated device of real-time and time-delay channel of the present invention. As shown in the figure, the device includes a virtual channel logic scheduling unit 1, a format compilation unit 2, a formatting unit, a filling generation unit 3, a storage unit 4, and a routing unit 5. During design, the multi-channel load data corresponds to a piece of FIFO as a cache. When the number of bytes required by the FIFO design is filled, a status val...

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Abstract

The invention provides a device for integration of a real-time and delayed channel of a satellite baseband data processing system. The device comprises a virtual channel logic dispatching unit, a format assembly unit, a filling generation unit, a storage unit and a routing unit. During design, real-time and delayed data transmission is performed for a physical link in a time division manner aiming at a real-time operation mode and a delayed operation mode. The invention further provides a corresponding method for integration of the real-time and delayed channel of the satellite baseband data processing system. By the aid of the method, data transmission efficiency is improved, timeliness of information acquisition in wartime is enhanced, complexity of the system is reduced, and good effect is achieved. The design method is already applied to a specific satellite data transmission subsystem.

Description

technical field [0001] The invention relates to satellite technology, in particular to a real-time and delay channel integration device and method of a satellite baseband data processing system. Background technique [0002] The satellite data transmission system is responsible for processing the satellite payload data and then downloading it to the ground station. The baseband data processing system is the core part of the satellite data transmission system. It mainly completes the format, multiplexing, storage, encryption, scrambling, and differential of payload data. , convolutional coding and other processing. When satellites fly in orbit, they have different working modes, so the design of the baseband data processing system should be able to adapt to the working modes of satellites. When flying overseas, the baseband data processing system completes the formatting of the reconnaissance data in the designated reconnaissance area, and stores the formatted data in the so...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B7/185H04L25/02
Inventor 成飞黄玲玲杨帅钱文进赖京刘伟亮宗益燕
Owner SHANGHAI SATELLITE ENG INST
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