Joint Selection of OFDM Parameters in Mobile Satellite Communications

Jia Jia Wang; Cheng Mei Li; Bin Li; Hao Chang; Jian Jun Wu

doi:10.4028/www.scientific.net/AMM.385-386.1586

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 385-386Joint Selection of OFDM Parameters in Mobile...

Joint Selection of OFDM Parameters in Mobile Satellite Communications

Abstract:

In mobile satellite communication based on OFDM technology, the system performance can’t be optimal if the cyclic prefix (CP) length and subcarrier interval of LTE specification are transplanted into mobile satellite communication directly. In this paper, we analyze the impact of inter symbol interference (ISI) and inter carrier interference (ICI) which are caused by multipath delay spread and Doppler frequency shift separately on system capacity, and derive the optimal CP length and subcarrier interval for GEO, MEO and LEO mobile satellite communication by numeric calculation. Finally, the simulation results show that the OFDM parameters of LTE specification can be used in GEO mobile satellite communications, but cannot in MEO and LEO.

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Periodical:

Applied Mechanics and Materials (Volumes 385-386)

Pages:

1586-1590

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.385-386.1586

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Online since:

August 2013

Authors:

Jia Jia Wang, Cheng Mei Li, Bin Li, Hao Chang, Jian Jun Wu

Keywords:

Mobile Satellite Communication, Orthogonal Frequency Division Multiplexing (OFDM), Parameter Selection

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References

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