DocumentCode
712361
Title
LDPC codes for optical channels: Is the “FEC limit” a good predictor of post-FEC BER?
Author
Alvarado, Alex ; Agrell, Erik ; Lavery, Domanic ; Bayvel, Polina
Author_Institution
Opt. Networks Group, Univ. Coll. London (UCL), London, UK
fYear
2015
fDate
22-26 March 2015
Firstpage
1
Lastpage
3
Abstract
We answer the question in the title negatively. More precisely, the FEC limit is invalid for soft decision decoding and low to medium code rates. A better predictor is the generalized mutual information.
Keywords
decoding; error statistics; forward error correction; optical communication; parity check codes; FEC limit; LDPC codes; forward error correction; generalized mutual information; low to medium code rates; optical channels; post-FEC BER; soft decision decoding; Bit error rate; Decoding; Forward error correction; Modulation; Mutual information; Parity check codes; Receivers;
fLanguage
English
Publisher
ieee
Conference_Titel
Optical Fiber Communications Conference and Exhibition (OFC), 2015
Conference_Location
Los Angeles, CA
Type
conf
Filename
7121706
Link To Document