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## System level modelling of DVB-S2X in high throughput satellite system

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Advances in Communications Satellite Systems Proceedings of The 36th International Communications Satellite Systems Conference (ICSSC-2018) — Recommend this title to your library

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DVB-S2X was published in 2014 to update and optimize the DVB-S2 specification, which was formulated ten years earlier. DVB-S2X offers increased efficiency and flexibility, enables the usage of advanced techniques, such as intra-system interference mitigation, beam hopping and multiformat transmissions, and more flexible SNR usage due to addition of high efficiency and more robust MODCODs. In this article, the system level model of DVB-S2X on top of Satellite Network Simulator 3 (SNS3) has been described and verified by means of simulations. It can be seen, that DVBS2X provides 13% gain in both peak spectral efficiency and burst throughput per user, while optimal channel condition with most efficient MODCOD may provide almost 40% gain in user throughput.

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