Title :
An investigation on power allocation between subcarriers with mixed formats in spectrum-flexible optical networks
Author :
Songwei Ma ; Bingli Guo ; Yunfeng Zhao ; Xin Chen ; Juhao Li ; Zhangyuan Chen ; Yongqi He
Author_Institution :
State Key Lab. of Adv. Opt. Commun. Syst. & Networks, Peking Univ., Beijing, China
Abstract :
We investigate launched power allocation of multi-rate transmission with mixed 16-QAM and QPSK OFDM signals, with fixed and flexible power allocation scheme discussed. Simulation results show that flexible allocation scheme achieves much better transmission performance.
Keywords :
OFDM modulation; optical fibre networks; quadrature amplitude modulation; quadrature phase shift keying; 16-QAM signal; QPSK OFDM signal; fixed power allocation; flexible power allocation; launched power allocation; multirate transmission; spectrum-flexible optical networks; transmission performance;
Conference_Titel :
Communications and Photonics Conference (ACP), 2012 Asia
Conference_Location :
Guangzhou
Print_ISBN :
978-1-4673-6274-0
