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Conference Paper
Design of 256-point FFT Processor for 100 Gb/s Coherent Optical OFDM System
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- Authors
- Jinkyu Kim, Joohyun Lee, Kyoungrok Cho
- Issue Date
- 2016-09
- Citation
- International Symposium on Consumer Electronics (ISCE) 2016, pp.61-62
- Publisher
- IEEE
- Language
- English
- Type
- Conference Paper
- Abstract
- This paper presents fully parallel fast Fourier transform (FFT) processor for coherent optical OFDM system. It has a length of 256. For processing of 100 Gb/s throughput it has parallel input and output structure. FFT processor has 32 radix-16 processor with trivial multiplication and consists of an array structure in parallel arithmetic processing. We designed and implemented the proposed FFT processor using Xilinx FPGA XCVU190. The result shows 205,530 LUTs and the maximum throughput is 46.592 Giga-Samples/sec.
- KSP Keywords
- 100 Gb/s, Coherent optical orthogonal frequency division multiplexing(CO-OFDM), FFT processor, Fast Fourier Transform(FFI), Input-Output, OFDM systems, Optical OFDM, Radix-16, Xilinx FPGA, array structure, fast fourier transform (fft)