A Frequency Reuse Scheme Based on Interference Pre-Cancellation and Resource Scheduling for Multi-Beam Satellite Downlink Signal

Yi Nuo He; Wei Zheng; Bin Li; Ya Zhe Gao; Jian Jun Wu

doi:10.4028/www.scientific.net/AMM.548-549.1085

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 548-549A Frequency Reuse Scheme Based on Interference...

A Frequency Reuse Scheme Based on Interference Pre-Cancellation and Resource Scheduling for Multi-Beam Satellite Downlink Signal

Abstract:

A frequency reuse scheme is proposed in this paper for multi-beam satellite system to improve spectral efficiency as well as system capacity. Firstly, in order to reuse same channel among beams, Tomlinson-Harashima precoding (THP) is introduced to pre-cancel downlink interference of users from different beams. Secondly, a resource scheduling algorithm is proposed to jointly work with THP. Finally, simulations are executed to validate the proposed scheme, which suggest that compared to traditional frequency reuse scheme, the proposed frequency reuse scheme can successfully eliminate co-channel interference with a high spectral efficiency.

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Periodical:

Applied Mechanics and Materials (Volumes 548-549)

Pages:

1085-1088

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.548-549.1085

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Online since:

April 2014

Authors:

Yi Nuo He, Wei Zheng, Bin Li, Ya Zhe Gao, Jian Jun Wu

Keywords:

Frequency Reuse, Interference Pre-Cancellation, Multi-Beam Satellite Communication

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References

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