Analysis of Trellis Code Modulation Technology in Satellite High Speed Data Transmission System

2022 IEEE 2nd International Conference on Power, Electronics and Computer Applications (ICPECA) Pub Date : 2022-01-21 DOI:10.1109/ICPECA53709.2022.9719220

Fang Yuan, Xiaoran Li, Nan Ye, Yifeng He

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Abstract

Satellite remote sensing systems are now widely used in military and civilian fields, and are developing rapidly. However, because the remote sensing receiver of the ground satellite often requires a lot of time and energy to debug the satellite in orbit during the development process, it is also very important to study the satellite image transmission system composed of the ground receiver and the supporting simulator. In this paper, the grid code modulation technology in the satellite high-speed data transmission system is researched. Based on the literature, the satellite high-speed data transmission system and the related theory of the grid code modulation technology are understood, and then the satellite high-speed data transmission system is designed. Finally, the trellis coding modulation technology in the system is tested. The test results show that when the bit error rate is 0.3, the new concatenated code in this paper has a coding gain of 2dB than the ordinary convolutional code, and the NASA proposed NASA Compared with the code, there is also a coding gain of 1dB.

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卫星高速数据传输系统中的栅格编码调制技术分析

卫星遥感系统目前在军事和民用领域得到了广泛的应用，并得到了迅速的发展。然而，由于地面卫星遥感接收机在研制过程中往往需要花费大量的时间和精力对卫星进行在轨调试，因此，研究由地面接收机和配套模拟器组成的卫星图像传输系统也显得十分重要。本文研究了卫星高速数据传输系统中的网格编码调制技术。在文献研究的基础上，了解了卫星高速数据传输系统和网格编码调制技术的相关理论，设计了卫星高速数据传输系统。最后，对网格编码调制技术在系统中的应用进行了测试。测试结果表明，当误码率为0.3时，本文所提出的新型卷积码比普通卷积码有2dB的编码增益，与NASA提出的NASA码相比，也有1dB的编码增益。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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2022 IEEE 2nd International Conference on Power, Electronics and Computer Applications (ICPECA)

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