Real-time coherent OFDM transmission

Noriaki Kaneda; Timo Pfau; Qi Yang; Y. K. Chen

doi:10.1117/12.881342

24 January 2011 Real-time coherent OFDM transmission

Noriaki Kaneda, Timo Pfau, Qi Yang, Y. K. Chen

Proceedings Volume 7960, Coherent Optical Communication: Components, Subsystems, and Systems; 796004 (2011) https://doi.org/10.1117/12.881342
Event: SPIE OPTO, 2011, San Francisco, California, United States

Abstract

We review the recent development in real-time coherent optical OFDM (CO-OFDM) transmission for their algorithm and implementation. The unique challenge of real-time implementation of OFDM for high speed optical data transmission including relatively large phase noise, frequency offset and dynamically changing optical channels are discussed. The fundamental digital signal processing (DSP) architectures of transmitter and receiver are presented in the manner achievable in state of the art field-programmable gate arrays (FPGAs) or application-specific integrated circuits (ASICs). Primary DSP components' algorithms and implementations are presented and discussed. The successful demonstration of real-time CO-OFDM receivers includes a receiver with sampling rate of 2.5-Gsamples/s to receive a 3.55-Gb/s single channel and 53.3-Gb/s multi-band CO-OFDM signal.

Citation Download Citation

Noriaki Kaneda, Timo Pfau, Qi Yang, and Y. K. Chen "Real-time coherent OFDM transmission", Proc. SPIE 7960, Coherent Optical Communication: Components, Subsystems, and Systems, 796004 (24 January 2011); https://doi.org/10.1117/12.881342

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