Title :
16QAM optical fast-OFDM transmission system based on discrete fourier transform and frequency multiplexing
Author :
Dongqiang Wang ; Cheng Lei ; Ruofan Luo ; Hongwei Chen ; Minghua Chen ; Sigang Yang ; Shizhong Xie
Author_Institution :
Dept. of Electron. Eng., Tsinghua Univ., Beijing, China
Abstract :
We demonstrate a QAM-FOFDM system by transmitting the real and imaginary parts separately in different subbands. Each part is modulated by interleaved DFT, which doubles the spectral efficiency than ordinary OFDM.
Keywords :
Fourier transform optics; OFDM modulation; discrete Fourier transforms; optical fibre communication; quadrature amplitude modulation; 16QAM optical fast-OFDM transmission system; QAM-FOFDM system; discrete Fourier transform; discrete cosine transform; frequency multiplexing; interleaved DFT; orthogonal frequency division multiplexing; quadrature amplitude modulation; spectral efficiency; Frequency division multiplexing; Frequency modulation; OFDM; Optical fibers; Optical filters; Optical imaging;
Conference_Titel :
Optical Fibre Technology, 2014 OptoElectronics and Communication Conference and Australian Conference on
Conference_Location :
Melbourne, VIC
