Title :
DFT-based offset-QAM OFDM with arbitrary orthogonal waveform generation
Author_Institution :
Photonic Syst. Group, Univ. Coll. Cork, Cork, Ireland
Abstract :
We propose and experimentally demonstrate DFT-based offset-QAM OFDM which can achieve sub-channel orthogonality using various signal spectral profiles, in contrast to sinc-function based conventional OFDM and rectangular-function based Nyquist frequency division multiplexing.
Keywords :
OFDM modulation; discrete Fourier transforms; optical communication; optical modulation; quadrature amplitude modulation; waveform generators; DFT-based offset-QAM OFDM; Nyquist frequency division multiplexing; arbitrary orthogonal waveform generation; discrete-Fourier-transform; optical communications; orthogonal frequency division multiplexing; quadrature amplitude modulation; rectangular-function; signal spectral profiles; sinc-function; subchannel orthogonality;
Conference_Titel :
Optical Communication (ECOC 2013), 39th European Conference and Exhibition on
Conference_Location :
London
Electronic_ISBN :
978-1-84919-759-5
DOI :
10.1049/cp.2013.1598
