Abstract
Two-dimensional error correction codes (2DECCs) have been the cornerstone of all three generations of optical recording-CD, DVD and BD. Research into powerful error correction methods is paramount for the development of high-capacity optical recording systems. A picket code for BD systems performs an error and erasure decoding by giving and taking erasure information between two ECCs. However, the method is possible to generate and utilize incorrect erasure information with non-ignorable probability by each ECC. This paper will present a new error correction strategy for BD systems that performs error and erasure decoding using the only erasure information supplied from a modulation code decoder - more specifically, the 17 parity-preserving (PP) code for BD systems. We will evaluate the decoding efficiency of the new error correction technique under a channel model with various error types as well as real optical storage system.
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