Title :
Multiband DFT-spread-OFDM equalizer with overlapand-add dispersion compensation for low-overhead and low-complexity channel equalization
Author :
Xiang Liu ; Winzer, P.J. ; Chandrasekhar, S. ; Randel, S. ; Corteselli, S.
Author_Institution :
Bell Labs., Alcatel-Lucent, Holmdel, NJ, USA
Abstract :
We describe a multi-band DFT-spread-OFDM equalizer that combines overlap-and-add dispersion compensation with OFDM demultiplexing for reduced guard interval and lowered DSP complexity, and demonstrate it in the transmission of a 22-Gbaud signal over 6400-km SSMF.
Keywords :
Fourier transform optics; OFDM modulation; compensation; demultiplexing; discrete Fourier transforms; equalisers; optical fibre communication; optical fibre dispersion; optical information processing; telecommunication channels; 22-Gbaud signal; OFDM demultiplexing; SSMF; digital signal processing; discrete Fourier transform; distance 6400 km; low-complexity channel equalization; low-overhead channel equalization; lowered DSP complexity; multiband DFT-spread-OFDM equalizer; orthogonal frequency-division multiplexing; overlap-and-add dispersion compensation; reduced guard interval; standard single-mode fiber; Complexity theory; Digital signal processing; Discrete Fourier transforms; Dispersion; Equalizers; Erbium-doped fiber amplifiers; OFDM;
Conference_Titel :
Optical Fiber Communication Conference and Exposition and the National Fiber Optic Engineers Conference (OFC/NFOEC), 2013
Conference_Location :
Anaheim, CA
Print_ISBN :
978-1-4799-0457-0
