We investigate the application of low-density parity-check (LDPC) codes in volume
holographic memory (VHM) systems. We show that a carefully designed irregular LDPC …

We propose a technique for designing low-density parity-check (LDPC) codes over non-
uniform channels. In particular, we investigate LDPC codes for volume holographic memory …

This correspondence introduces a framework to design and analyze low-density parity-
check (LDPC) codes over nonuniform channels. We study LDPC codes for channels with …

Since the signal-to-noise ratio (SNR) of a holographic storage system is one of the dominant
factors that determine the recording capacity, an improvement in SNR is crucial to the …

We have applied LDPC codes into our coaxial recording system, and revealed its
fundamental characteristics. In addition, by applying the E (16, 3, 8) code and optimizing …

This paper discusses two-dimensional (2-D) minimum mean squared error equalization in
conjunction with low density parity check (LDPC) error correction codes for holographic data …

In this report, we discuss low-density parity-check (LDPC) code for a holographic digital data
storage (HDDS) system. In conventional LDPC decoding, the exact log likelihood ratio (LLR) …

Volume holographic memories (VHM) are page-oriented optical storage systems whose
pages commonly contain on the order of one million pixels. Typically, each stored data page …

We discuss experimental results of a versatile nonbinary modulation and channel code
appropriate for two-dimensional page-oriented holographic memories. An enumerative …

We study the use of soft-decision array decoding in a volume holographic memory (VHM)
system that is corrupted by interpixel interference (IPI) and detector noise. Soft-decision …