Performance evaluation of uplink waveforms for 6G

Shaobo Qi; Liang Zhu; Hongming Zhang

doi:10.1117/12.3035639

10 July 2024 Performance evaluation of uplink waveforms for 6G

Shaobo Qi, Liang Zhu, Hongming Zhang

Proceedings Volume 13223, Fifth International Conference on Geology, Mapping, and Remote Sensing (ICGMRS 2024); 132230Y (2024) https://doi.org/10.1117/12.3035639
Event: 2024 5th International Conference on Geology, Mapping and Remote Sensing (ICGMRS 2024), 2024, Wuhan, China

Abstract

Low earth orbit (LEO) satellite communication system has been recognized as a key enabler for 6G. In LEO satellite communication systems, uplink performance is a key performance indicator (KPI) for evaluating the system performance. This paper studies uplink waveform performance for 6G. Since new applications give rise to new design challenges from different points of view. In particular, the uplink waveform shall be carefully designed so that different requirements from different applications can be met. In this paper, we first present three uplink waveforms, which are the discrete Fourier transform spread orthogonal frequency division multiplexing (DFTsOFDM), the zero tail DFTsOFDM (ZT-DFTsOFDM), as well as the unique word DFTsOFDM (UW-DFTsOFDM). Then, we detail the evaluation metrics, which are the system spectral efficiency, the waveforms’ peak-to-average power ratio (PAPR), as well as the waveforms’ out-of-band emission (OOBE). Finally, system performance is evaluated in two application scenarios, which are the low earth orbit (LEO) satellite communication scenario and maritime wireless communication scenario, showing that a flexible uplink waveform is desired for 6G.

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Shaobo Qi, Liang Zhu, and Hongming Zhang "Performance evaluation of uplink waveforms for 6G", Proc. SPIE 13223, Fifth International Conference on Geology, Mapping, and Remote Sensing (ICGMRS 2024), 132230Y (10 July 2024); https://doi.org/10.1117/12.3035639

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KEYWORDS

Design

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Telecommunications

Satellite communications

Satellites

Wireless communications

Antennas

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