Title :
Companding transform for PAPR reduction in coherent optical OFDM system
Author :
Li, Xinying ; Tao, Li ; Zhang, Junwen ; Wang, Yuanquan ; Fang, Yuan ; Zhu, Jiangbo ; Wang, Yiguang ; Shao, Yufeng ; Chi, Nan
Author_Institution :
Dept. of Commun. Sci. & Eng., Fudan Univ., Shanghai, China
Abstract :
μ-law companding and de-companding, which enlarges small signals and compresses large signals, can work successfully in the CO-OFDM transmission system, and μ=1 is the optimal companding coefficient for PAPR reduction.
Keywords :
OFDM modulation; optical modulation; transforms; μ-law companding; μ-law de-companding; CO-OFDM transmission system; PAPR reduction; coherent optical OFDM system; companding transform; optimal companding coefficient; Nonlinear optics; Optical distortion; Optical fibers; Peak to average power ratio; Transforms; CO-OFDM; OFDM; PAPR; coherent detection; companding transform;
Conference_Titel :
Wireless and Optical Communications Conference (WOCC), 2012 21st Annual
Conference_Location :
Kaohsiung
Print_ISBN :
978-1-4673-0940-0
DOI :
10.1109/WOCC.2012.6198145
