Title :
Novel unipolar sign encoded OFDM for next generation PONs
Author :
Mohammed, Mohammed M. ; El-Fiqi, Abdulaziz E. ; El-Sahn, Ziad A.
Author_Institution :
Electr. Eng. Dept., Alexandria Univ., Alexandria, Egypt
Abstract :
We propose a novel unipolar encoding technique for orthogonal frequency-division multiplexing (OFDM) that increases the bandwidth efficiency by 33% and reduces computational complexity by 50% compared to conventional intensity modulation/direct detection (IM/DD) OFDM systems.
Keywords :
OFDM modulation; computational complexity; encoding; intensity modulation; optical communication equipment; optical fibre networks; optical modulation; passive optical networks; PON; bandwidth efficiency; computational complexity; conventional intensity modulation; direct detection OFDM systems; orthogonal frequency-division multiplexing; unipolar encoding technique; unipolar sign encoded OFDM; Bandwidth; Complexity theory; OFDM; Optical fibers; Optical network units; Passive optical networks;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2015 Conference on
Conference_Location :
San Jose, CA
