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In this paper, we propose a new minimum-bandwidth line code, MB810+ (MB810 plus), which is designed by statistically controlling the ASV (Alternate Sum Variation) or the DSV (Digital Sum Variation) of a line code. The proposed MB810+ retains dc-free and minimum-bandwidth characteristics, whereas it consumes only 2k gates for implementing the encoder and decoder, respectively. Therefore MB810+ can be used as a line code for high-speed data, of which speed is limited by processing delays.
This paper presents our experimental results in transmission of MB34 coded signal at the rate of 9.95 Gb/s over the conventional single mode fiber. The test results showed considerable improvement in receiver sensitivity, signal-to-noise-ratio (SNR), and timing margin with MB34.