Design and Improving Techniques for Uplink Reference Signal in LTE Compatible Mobile Satellite Communication System

Ying Si; Ya Dan Zheng; Shu Bo Ren; Jian Jun Wu

doi:10.4028/www.scientific.net/AMR.588-589.876

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 588-589Design and Improving Techniques for Uplink...

Design and Improving Techniques for Uplink Reference Signal in LTE Compatible Mobile Satellite Communication System

Abstract:

Reference Signal (RS) is used for channel estimation and sounding in LTE uplink of terrestrial system to accomplish data demodulation. However, the situation in multiple-beam mobile satellite communication system is different. The Uplink Reference Signal (UL-RS) designed in terrestrial LTE doesn’t fit the satellite environment and may result to system performance degradation. In this paper, the UL-RS pattern used in GEO multiple-beam mobile satellite communication system is proposed, as well as two enhancement techniques, i.e., full bandwidth sounding, retransmit and combined receive. System performance index calculation and simulation results prove the effectiveness of the proposed design.

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Periodical:

Advanced Materials Research (Volumes 588-589)

Pages:

876-879

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.588-589.876

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Online since:

November 2012

Authors:

Ying Si, Ya Dan Zheng, Shu Bo Ren, Jian Jun Wu

Keywords:

Design, Long Term Evolution (LTE), Satellite System, Uplink Reference Signal

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References

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