Title :
Sign labeled OFDM with intensity-modulation direct detection for PONs
Author :
Cano, Ivan ; Escayola, Xavier ; Polo, Victor ; Santos, Marcos ; Prat, Josep
Author_Institution :
Univ. Politec. de Catalunya, Barcelona, Spain
Abstract :
A simple technique is presented to improve the sensitivity of cost-effective IMDD-OFDM systems by transmitting the signal absolute value and adding a label with the sample signs. Results indicate that a boost of about 3dB is achieved.
Keywords :
OFDM modulation; intensity modulation; optical modulation; passive optical networks; PON; cost-effective IMDD-OFDM; intensity-modulation direct detection; sign labeled OFDM; signal absolute value; Modulation; OFDM; Optical amplifiers; Optical fibers; Optical receivers; Passive optical networks;
Conference_Titel :
Optical Communications (ECOC), 2012 38th European Conference and Exhibition on
Conference_Location :
Amsterdam