PMD compensation in fiber-optic communication systems with direct detection using LDPC-coded OFDM | Zendy

Ivan B. Djordjević | Zendy

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PMD compensation in fiber-optic communication systems with direct detection using LDPC-coded OFDM

Author(s) -

Ivan B. Djordjević

Publication year - 2007

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.15.003692

Subject(s) - orthogonal frequency division multiplexing , low density parity check code , computer science , polarization mode dispersion , differential group delay , forward error correction , optical communication , electronic engineering , wavelength division multiplexing , multiplexing , optical fiber , optics , channel (broadcasting) , telecommunications , decoding methods , physics , wavelength , engineering

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 first-order PMD can be completely compensated for. Two classes of LDPC codes designed based on two different combinatorial objects (difference systems and product of combinatorial designs) suitable for use in PMD compensation are introduced.

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