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ITU Journal on Future and Evolving Technologies, Volume 2 (2021), Issue 2
multiplication of a higher order is essentially [7] Final Acts WRC-2015. Resolution 238. World
provided. This advantage will significantly increase Radiocommunication Conference (WRC-
as promising optoelectronic devices [30] are put 2015), 2016.
into production and the operating frequencies of [8] Final Acts WRC-2019. Resolution 739. World
the B5G systems move into the submillimeter Radiocommunication Conference (WRC-
range. Another advantage is the significally wider 2019), 2019.
dynamic range that cannot be achieved with the
traditional MWE approach. [9] K. Nishimura, S. Ishimura, A. Bekkali, K.
Tanaka, H. Hirayama, Y. Tsukamoto, S.
Our further research will focus on a detailed Nanba, M. Suzuki “Optical Access Technology
comparative study of the rest of the crucial features for B5G MFH/MBH”, OFC 2019, W3J.1, p. 1-3,
of the high-order frequency multipliers for 5G’s 2019.
fronthaul, in particular, on the phase noise
characteristic that is one of the main limitations of [10] S. Chen, J. Zhao, “The requirements,
frequency-multiplying chain in millimeter and sub- challenges and technologies for 5G of
millimeter wavelength ranges, as well as on terrestrial mobile telecommunication”, in
experimental verification of the simulated results. IEEE Communications Magazine 2014, 52,
pp. 36–43, 2014.
ACKNOWLEGMENT [11] “Study on new radio access technology: radio
This work was supported by the Russian access architecture and interfaces”, 3GPP
Foundation for Basic Research, Grant Technical Report TR38.801, v14.0.0, 2017.
No. 18-29-20083. [12] S. Noor, Ph. Assimakopoulos, M. Wang, H. A.
Abdulsada, N. Genay, L. A. Neto, Ph. Chanclou,
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