S.V. Ovsyankin – Ph.D. (Eng.), Academy of FSO of Russia

А.А. Proskurin – Ph.D. (Eng.), Academy of FSO of Russia V.O. Yudin – Employee, Academy of FSO of Russia

S.U. Kostomarov – Employee, Academy of FSO of Russia

E-mail: interleaver@mail.ru

The article explores the principles of soft-decision forward error correction applied in the 100 Gbit/s optical networks. The basic code types of such sort and their characteristics are presented. The code parameters and net coding gain are revealed.

1. Forum O.I. 100G Forward Error Correction White Paper. 2010. URL: www.oiforum.com/wp-content/uploads/OIF_FEC_100G-01.0-1.pdf.
2. Chang D., Yu F., Xiao Z. LDPC convolutional codes using layered decoding algorithm for high speed coherent optical transmission. IEEE: OFC/NFOEC Technical Digest. 2012. 
3. Chang D., Yu F., Xiao Z. FPGA Verification of a Single QC-LDPC Code for 100 Gb/s Optical Systems without Error Floor down to BER of 10-15. Optical Society of America: OFC/NFOEC Technical Digest. 2011. P. OW1H.4.
4. Morero D.A., Castrillon M.A., Ramos F.A. Non-Concatenated FEC Codes for Ultra-High Speed Optical Transport Networks. IEEE: GLOBCOM. 2011. P. 1–5.
5. Choi C.-S., Lee H., Kaneda N. Concatenated non-binary LDPC and HD-FEC codes for 100 Gb/s optical transport systems. IEEE: ISCAS. 2012. P. 1783–1786.
6. Viasat. FEC IP Cores. ECC66100 Series. URL: www.viasat.com/files/assets/web/datasheets/FEC IPCores 114.pdf.
7. Kamiya N., Shioiri S. Concatenated QC-LDPC and SPC Codes for 100 Gbps Ultra Long-Haul Optical Transmission Systems. Optical Society of America: Optical Fiber Communication Conference. 2010. P. OThL2.
8. Mizuochi T., Sugihara T., Miyata Y. Evolution and status of forward error correction. Optical Society of America: Optical Fiber Communication Conference. P. OTu2A.6.