Title :
Increasing transmission capacity of long-reach OFDM-PON by using hierarchical modulation
Author :
Xiaofeng Hu ; Pan Cao ; Liang Zhang ; Jiayang Wu ; Yikai Su
Author_Institution :
Dept. of Electron. Eng., Shanghai Jiao Tong Univ., Shanghai, China
Abstract :
We introduce a novel modulation scheme termed hierarchical modulation to increase the transmission capacity of OFDM transmitter with limited bandwidth in a long-reach OFDM-PON. A proof-of-concept experiment is performed to verify the feasibility of our proposal.
Keywords :
OFDM modulation; optical transmitters; passive optical networks; OFDM transmitter; hierarchical modulation; long-reach OFDM-PON; orthogonal frequency division multiplexing; passive optical network; transmission capacity; OFDM; Optical attenuators; Optical fibers; Passive optical networks; Phase shift keying; Signal to noise ratio;
Conference_Titel :
Optical Fibre Technology, 2014 OptoElectronics and Communication Conference and Australian Conference on
Conference_Location :
Melbourne, VIC