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PMD compensation in fiber-optic communication systems with direct detection using LDPC-coded OFDM
2007
Optics Express
Preserved Fulltext
The possibility of polarization-mode dispersion (PMD) compensation in fiber-optic communication systems with direct detection using a simple channel estimation technique and low-density parity-check (LDPC)-coded orthogonal frequency division multiplexing (OFDM) is demonstrated. It is shown that even for differential group delay (DGD) of 4/BW (BW is the OFDM signal bandwidth), the degradation due to the firstorder PMD can be completely compensated for. Two classes of LDPC codes designed based on
doi:10.1364/oe.15.003692
pmid:19532615
fatcat:laomqxmfx5bqdlsho57i2f5w4a