Increasing energy efficiency in DFT-s-OFDM for future 6G radio-optic communications

I. K. Meshkov; A. R. Gizatulin; L. V. Kataskin; A. Kh. Sultanov; A. G. Meshkova; R. O. Salnikov; I. L. Vinogradova

doi:10.1117/12.2678407

4 October 2023 Increasing energy efficiency in DFT-s-OFDM for future 6G radio-optic communications

I. K. Meshkov, A. R. Gizatulin, L. V. Kataskin, A. Kh. Sultanov, A. G. Meshkova, R. O. Salnikov, I. L. Vinogradova

Proceedings Volume 12743, Optical Technologies for Telecommunications 2022; 1274317 (2023) https://doi.org/10.1117/12.2678407
Event: Optical Technologies for Telecommunications 2022, 2022, Ufa, Russian Federation

Abstract

This article proposes a method for improving energy efficiency by reducing the peak power of the emitted signal in systems with DFT-s-OFDM for fiber-optic segments of future mobile networks of the 5G and 6G generation, based on the use of an improved "raised cosine" shaping filter, as well as ZT-DFT-s-OFDM technology for improved energy efficiency. Various new waveforms and modulation schemes are presented that would be both energetically and spectrally efficient. The analysis of the ratio of the peak signal power level to the average level for signals with DFT-s-OFDM in its various modifications in radio-optic networks is presented, various technologies for the formation of DFT-s-OFDM are analyzed depending on the method of access to the subscriber, such as DFDMA, LFDMA and IFDMA, considering the bandwidth extension factor.

Citation Download Citation

I. K. Meshkov, A. R. Gizatulin, L. V. Kataskin, A. Kh. Sultanov, A. G. Meshkova, R. O. Salnikov, and I. L. Vinogradova "Increasing energy efficiency in DFT-s-OFDM for future 6G radio-optic communications", Proc. SPIE 12743, Optical Technologies for Telecommunications 2022, 1274317 (4 October 2023); https://doi.org/10.1117/12.2678407

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KEYWORDS

Orthogonal frequency division multiplexing

Signal filtering

Modulation

Fourier transforms

Energy efficiency

Electronic filtering

Optical filters

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