Virtual-Carrier-Assisted 64QAM Millimetre-Wave Signal Generation Using Low-Resolution Digital-to-Analog Converter

Chuanming Huang; Hugui Jin; Mengfan Cheng; Qi Yang; Deming Liu; Ming Tang; Lei Deng

European Conference on Optical Communication (ECOC) 2022
Technical Digest Series (Optica Publishing Group, 2022),
paper Tu5.56

Virtual-Carrier-Assisted 64QAM Millimetre-Wave Signal Generation Using Low-Resolution Digital-to-Analog Converter

Chuanming Huang, Hugui Jin, Mengfan Cheng, Qi Yang, Deming Liu, Ming Tang, and Lei Deng

European Conference and Exhibition on Optical Communication 2022

Basel Switzerland
18–22 September 2022
ISBN: 978-1-957171-15-9

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Joint Poster Session I (Tu5)

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C. Huang, H. Jin, M. Cheng, Q. Yang, D. Liu, M. Tang, and L. Deng, "Virtual-Carrier-Assisted 64QAM Millimetre-Wave Signal Generation Using Low-Resolution Digital-to-Analog Converter," in European Conference on Optical Communication (ECOC) 2022, J. Leuthold, C. Harder, B. Offrein, and H. Limberger, eds., Technical Digest Series (Optica Publishing Group, 2022), paper Tu5.56.

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Abstract

We experimentally demonstrate a radio frequency digital resolution enhancer (RF-DRE) to mitigate quantization noise of 30 GHz 12 Gb/s 64QAM signal. By using RF-DRE, BER of 4-bit DAC quantized signal is improved from 6.88e-3 to 1.49e-3, and 5-bit DAC exhibits similar performance to 8-bit DAC.

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