DocumentCode
1945498
Title
Joint iterative carrier synchronization and signal detection for dual carrier 448 Gb/s PDM 16-QAM
Author
Zibar, D. ; Carvalho, Luis ; Estaran, Jose ; Silva, Enrico ; Franciscangelis, Carolina ; Ribeiro, V. ; Borkowski, Robert ; Oliveira, Juliano ; Tafur Monroy, Idelfonso
Author_Institution
DTU Fotonik, Tech. Univ. of Denmark, Lyngby, Denmark
fYear
2013
fDate
22-26 Sept. 2013
Firstpage
1
Lastpage
3
Abstract
Soft decision driven joint carrier synchronization and signal detection, employing expectation maximization, is experimentally demonstrated. Employing soft decisions offers an improvement of 0.5 dB compared to hard decision digital PLL based carrier synchronization and demodulation.
Keywords
digital phase locked loops; expectation-maximisation algorithm; multiplexing; optical signal detection; quadrature amplitude modulation; synchronisation; bit rate 448 Gbit/s; dual carrier PDM 16-QAM; expectation-maximisation algorithm; hard decision digital PLL; joint iterative carrier synchronization; polarisation division multiplexing; signal detection; soft decision driven joint carrier synchronization;
fLanguage
English
Publisher
iet
Conference_Titel
Optical Communication (ECOC 2013), 39th European Conference and Exhibition on
Conference_Location
London
Electronic_ISBN
978-1-84919-759-5
Type
conf
DOI
10.1049/cp.2013.1606
Filename
6647799
Link To Document