[1] [1] LIU G Y, JIANG D J, LEE J. 5G: Vision and requirements for mobile communication system towards year 2020[J]. Chinese Journal of Engineering, 2016, 2016: 1-8.

[2] [2] HAIK M, MIQUEL A M, JOSE M E, et al. 84, 100, and 107 GBd PAM-4 intensity-modulation direct-detection transceiver for datacenter interconnects[J]. Lightwave Technol, 2017, 35(6): 1253-1259.

[4] [4] RANI P N, RANI C S. UFMC: The 5G modulation technique [C]//IEEE. Proceedings of 2016 IEEE International Conference on Computational Intelligence and Computing Research (ICCIC), Chennai, India: IEEE, 2016: 1-3.

[5] [5] KHELOUANI I, ZERHOUNI K, ELBAHHAR F, et al. UFMC waveform and multiple-access techniques for 5G radcom[J]. Electronics, 2021, 10(7): 849-849.

[6] [6] WANG Y X, WANG S N, WU W Q. Performance analysis of the universal filtered multi-carrier (UFMC) waveform for 5G system[J]. Journal of Physics: Conference Series, 2019, 1169(1): 012065-012065.

[8] [8] TIMOSHENKO A G, OSIPENKO N K, BAKHTIN A A, et al. 5G communication systems signal processing PAPR reduction technique[C]//2018 Systems of Signal Synchronization, Generating and Processing in Telecommunications (SYNCHROINFO), July 4-5, 2018, Minsk, Belarus. New York: IEEE, 2018: 1-4.

[9] [9] ALRAYIFlR M I, SELEEM H E, RAGHEB A M, et al. PAPR reduction in UFMC for 5G cellular systems[J]. Electronics, 2020, 9(9): 1404-1404.

[11] [11] KOHONEN T. Self-organizing maps[M]. [S.l.]: Springer Science&Bu-siness Media, 2012.