Title :
ADC resolution requirement for DA-ML phase estimation QPSK optical coherent receiver
Author :
Yuanwei Fan ; Jian Chen ; Changyuan Yu
Author_Institution :
Sch. of Infocomm Eng., Nanjing Univ. of Posts & Telecommun., Nanjing, China
Abstract :
We investigate the ADC resolution requirement for DA-ML phase estimation QPSK optical coherent receiver. Simulation results show that 5 bit ADC resolution is sufficient for accurate detection with less than 0.2 dB SNR penalty.
Keywords :
analogue-digital conversion; maximum likelihood estimation; optical receivers; quadrature phase shift keying; ADC resolution; DA-ML phase estimation; QPSK; SNR penalty; optical coherent receiver; word length 5 bit; Bit error rate; Optical polarization; Phase noise; Quantization (signal); Receivers; Signal resolution; Signal to noise ratio;
Conference_Titel :
Optical Fibre Technology, 2014 OptoElectronics and Communication Conference and Australian Conference on
Conference_Location :
Melbourne, VIC
