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Multiple DmB1C/DmB1M Coding Scheme for High-Speed Optical Multiplex Transmission
Koichi MURATA Yoshihiko UENATSU Yoshiaki YAMABAYASHI Yukio KOBAYASHI
IEICE TRANSACTIONS on Communications
Publication Date: 1997/08/25
Print ISSN: 0916-8516
Type of Manuscript: PAPER
Category: Optical Communication
DmB1C code, DmB1M code, multiplex transmission, optical interconnection,
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This paper describes a new multiple DmB1C (Differential m Binary 1 Complement insertion) /DmB1M (Differential m Binary with 1 Mark insertion) coding scheme for high-speed optical multiplex transmission. The coding scheme has the characteristics of small consecutive identical digits and a good balance between marks and spaces. Furthermore, it has also good synchronization characteristics and higher flexibility for extension to high capacity transmission than the conventional mB1C or DmB1M coding schemes. We describe a design methodology for a multiplex transmission system using the proposed coding scheme, and verify the characteristics of the proposed coding scheme using an experimental setup of a 2.8 Gbit/s serial optical interconnection circuit, which has 16 parallel 156 Mbit/s inputs. The coding scheme realizes transmission systems with simple analog circuit configuration, and small digital circuit complexity with wide dynamic range and good mark ratio tolerance.