Search Results - "Hosoya, Gou"

Concatenated LDPC/2-D-Marker Codes and Non-Iterative Detection/Decoding for Recovering Position Errors in Racetrack Memories by Shibata, Ryo, Hosoya, Gou, Yashima, Hiroyuki

“…Racetrack memories (RMs) are prone to alignment faults called position errors (PEs), which manifest as insertions and deletions of stored data bits…”
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Log-Likelihood Ratio Calculation for Iterative Decoding on Rayleigh Fading Channels Using Padé Approximation by Hosoya, Gou, Yashima, Hiroyuki

“…Approximate calculation of channel log-likelihood ratio (LLR) for wireless channels using Padé approximation is presented. LLR is used as an input of iterative…”
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Spatially-coupled LDPC codes for two dimensional erasure channel by Hosoya, Gou, Yashima, Hiroyuki

“…In this study, we developed spatially coupled LDPC (SC-LDPC) codes on the two-dimensional array erasure (2DAE) channel. We propose a method of generating new…”
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Structured Concatenation of Protograph LDPC Codes and Markers for Insertion/Deletion Channels by Shibata, Ryo, Hosoya, Gou, Yashima, Hiroyuki

“…In this paper, the structured concatenated coding of protograph LDPC codes and markers for insertion and deletion channels are proposed, where the joint…”
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Reduction of Delay for Delayed Bit-Interleaved Coded Modulation by Hosoya, Gou

“…This study focuses on delayed bit-interleaved coded modulation (DBICM) for a two-dimensional signal constellation and shows that the capacity of DBICM is…”
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Analysis of Delayed Bit-Interleaved Coded Modulation for APSK by Hosoya, Gou

“…In this work, we study delayed bit-interleaved coded modulation (DBICM) on amplitude and phase-shift keying (APSK) constellation. APSK is attractive for…”
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Performance of Non-Binary LDPC Codes on Two-Dimensional Array Erasure Models by Hosoya, Gou, Niinomi, Toshihiro

“…In this study, we evaluate the performance of non-binary low-density parity-check (NB-LDPC) codes on two-dimensional array erasure models. For this channel…”
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Design of Irregular LDPC Codes without Markers for Insertion/Deletion Channels by Shibata, Ryo, Hosoya, Gou, Yashima, Hiroyuki

“…Over the past two decades, irregular low-density parity-check (LDPC) codes have been hardly able to decode information corrupted by insertion and deletion (ID)…”
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Constellation shaping for non-uniform signals based on truncated Gaussian distribution by Hosoya, Gou, Yashima, Hiroyuki

“…We study the signal shaping based on the truncated Gaussian distribution. Since the possibility of reducing peak-to-average power ratio (PAPR) by the previous…”
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Constellation shaping for non-uniform signals in bit-interleaved coded modulation combined with multi-stage decoding by Hosoya, Gou, Yashima, Hiroyuki

“…A signal shaping for the bit-interleaved coded modulation (BICM) is considered. Previous work on signal shaped BICM (SBICM) has two problems: (i) It requires…”
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All-Optical Two-Bit Magnitude Comparator Using Quantum-Dot Semiconductor Optical Amplifier by Komatsu, Kosuke, Hosoya, Gou, Yashima, Hiroyuki

“…We construct three types of a two-bit magnitude all-optical digital comparator by cascading logic gates using quantum-dot semiconductor optical amplifiers…”
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An improvement of approximate BP decoding by Hosoya, Gou, Yashima, Hiroyuki

“…In this study, we present new methods for piece-wise linear approximation of Min-Sum (MS) decoding algorithm with good trade-off between performance and…”
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Simulation of all-optical NOR gate using single quantum-dot SOA and optical filter by Komatsu, Kosuke, Hosoya, Gou, Yashima, Hiroyuki

“…We propose an ultrafast all optical NOR gate for 160 Gb/s return-to-zero Gaussian data signals using a single quantum-dot semiconductor optical amplifier…”
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Fixed-symbols-based synchronization for insertion/deletion/substitution channels by Shibata, Ryo, Hosoya, Gou, Yashima, Hiroyuki

“…We investigate a synchronization method for channels that are impaired by insertion, deletion, and substitution (IDS) errors and include outer low-density…”
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An iterative decoding algorithm for rate-compatible punctured low-density parity-check codes of high coding rates by Hosoya, Gou, Yagi, Hideki, Kobayashi, Manabu

“…An iterative decoding algorithm of rate-compatible punctured low-density parity-check (RCP-LDPC) codes of high coding rates is developed. This algorithm…”
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LLR calculation for iterative decoding on fading channels using Padé approximation by Hosoya, G., Hasegawa, M., Yashima, H.

“…In this paper, approximate calculation of channel log likelihood ratio (LLR) for wireless channels using Padé approximation is devised. Due to the lack of…”
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On the capacity of fingerprinting codes against unknown size of colluders by Hosoya, Gou, Yagi, Hideki, Kobayashi, M., Hirasawa, S.

“…In this paper, a new attack model in which the number of colluders are distributed according to a certain probability distribution is introduced. Two classes…”
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