Real-time system based on FPGA for optical communication system

Ming Chen; Rui Deng; Qinghui Chen; Jing He; Lin Chen

doi:10.1117/12.2291053

30 January 2018 Real-time system based on FPGA for optical communication system

Ming Chen, Rui Deng, Qinghui Chen, Jing He, Lin Chen

Proceedings Volume 10560, Metro and Data Center Optical Networks and Short-Reach Links; 1056003 (2018) https://doi.org/10.1117/12.2291053
Event: SPIE OPTO, 2018, San Francisco, California, United States

Abstract

In this article, we review our recent research progresses on the field programmable gate array (FPGA)-based real-time generation and reception of orthogonal frequency-division multiplexing (OFDM) signals for the short-reach direct-detection system and radio-over-fiber (RoF) system. With the low-complexity real-time digital signal processing (DSP) algorithms, a high-definition video signal with a data rate of 2.97 Gb/s transmission over 20 km single-mode fiber (SMF) without using forward error correction (FEC) technique is experimentally demonstrated in an intensity-modulated direct-detection optical OFDM system in the presence of sampling frequency offset (SFO). In addition, a real-time X-band OFDM-RoF system with heterodyne detection was also realized. With the help of Reed-Solomon coding with a multiplesymbol interleaving/de-interleaving scheme, the 16-ary quadrature amplitude modulation (16-QAM) OFDM-RoF signals over 10-m wireless and 2.26-km SMF-28 link was successfully achieved with a post-FEC bit error rate less than 1×10^-9.

Conference Presentation

Citation Download Citation

Ming Chen, Rui Deng, Qinghui Chen, Jing He, and Lin Chen "Real-time system based on FPGA for optical communication system", Proc. SPIE 10560, Metro and Data Center Optical Networks and Short-Reach Links, 1056003 (30 January 2018); https://doi.org/10.1117/12.2291053

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