A High Efficient and Robust Adaptive Coding and Modulation Algorithm for Ka Band Satellite Communications

Xiao Tian Zheng; Ji Lin Li; Xin Rong Wang

doi:10.4028/www.scientific.net/AMM.568-570.1263

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 568-570A High Efficient and Robust Adaptive Coding and...

A High Efficient and Robust Adaptive Coding and Modulation Algorithm for Ka Band Satellite Communications

Abstract:

The Ka band for satellite communications is allocated from 27GHz to 40GHz and it is possible to realize the high speed data transmission in this 13GHz bandwidth. However, the attenuation especially the rain attenuation is tremendous for the Ka band. And we need to reserve about 4~8dB link budget to guarantee the typical link reliability 99.9% for the constant coding and modulation (CCM). In this paper, we propose a adaptive coding and modulation (ACM) algorithm that can dynamically change the modulation and code efficiency according to link condition. Based on this algorithm we only need reserve about 1dB to realize the 99.7% reliability. The simulation results show that we can derive more than triple throughout compare to CCM.

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Periodical:

Applied Mechanics and Materials (Volumes 568-570)

Pages:

1263-1267

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.568-570.1263

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Online since:

June 2014

Authors:

Xiao Tian Zheng*, Ji Lin Li, Xin Rong Wang

Keywords:

Adaptive Coding and Modulation, Ka Band, Link Budge, Rain Attenuation, Satellite Communications

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References

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