Error-Correcting 6/8 Modulation Code for Reducing Two-Dimensional Intersymbol Interference
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概要
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We introduce error-correcting 6/8 modulation codes for reducing two-dimensional intersymbol interference in holographic data storage. The proposed modulation codes have a trellis-like structure in which the data is encoded, enabling their error-correcting capability, and are more complex than previous error-correcting 4/6 modulation codes because of increasing number of symbols and states compared to the conventional 6/8 modulation codes. The bit error rate (BER) performances are improved for the proposed modulation codes compared with those for 4/6 modulation codes, moreover the proposed codes make 12.5% times more efficient.
- 2011-09-25
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