Results 11 to 20 of about 1,161 (180)
Connectivity constrains quantum codes [PDF]
Quantum, 2022 Quantum low-density parity-check (LDPC) codes are an important class of quantum error correcting codes. In such codes, each qubit only affects a constant number of syndrome bits, and each syndrome bit only relies on some constant number of qubits ...
Nouédyn Baspin, Anirudh Krishna
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Randomly Punctured LDPC Codes [PDF]
IEEE Journal on Selected Areas in Communications, 2016 In this paper, we present a random puncturing analysis of low-density parity-check (LDPC) code ensembles. We derive a simple analytic expression for the iterative belief propagation (BP) decoding threshold of a randomly punctured LDPC code ensemble on the binary erasure channel (BEC) and show that, with respect to the BP threshold, the strength and ...
David G. M. Mitchell +3 more
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Effective identification of dominant fully absorbing sets for Raptor-like LDPC codes
ETRI Journal, 2023 The error-rate floor of low-density parity-check (LDPC) codes is attributed to the trapping sets of their Tanner graphs. Among them, fully absorbing sets dominantly affect the error-rate performance, especially for short blocklengths.
Woncheol Cho +3 more
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Distance verification for LDPC codes [PDF]
2016 IEEE International Symposium on Information Theory (ISIT), 2016 5 pages, 1 figure, to appear in Proceedings of ISIT 2016 - IEEE International Symposium on Information Theory ...
Ilya Dumer +2 more
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A Time Sharing Hybrid Probabilistic Shaping Scheme for Nonbinary LDPC Codes
IEEE Access, 2020 A time sharing (TS) hybrid probabilistic shaping (HPS) scheme for nonbinary (NB) LDPC codes is proposed. For the conventional probabilistic shaping (CPS) scheme, the demodulator uses bit-metric decoding (BMD) for binary LDPC codes and NB LDPC codes ...
Zhanji Wu, Weimin Kang
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, 2021 Στα ψηφιακά συστήματα, η πληροφορία κωδικοποιείται σε ακολουθίες από 0και 1, που αντιστοιχούν στις δύο δυνατές καταστάσεις των τρανζίστορ, on - off, τα οποία λειτουργούν ως διακόπτες. Το πλεονέκτημα αυτό έχει επιφέρει σημαντικέςαλλαγές στον τρόπο επεξεργασίας της πληροφορίας.
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INCREASING THE WIRELESS SYSTEMS INFORMATION EFFICIENCY USING LDPC CODING
Information and Telecommunication Sciences, 2019 Background. LDPC codes research is performed in the paper. The influence of LDPC codes on channel information efficiency is studied in scope of MCS and the benefit of using LDPC codes is specified in digits as a result of research. Objective. The purpose
Leonid Uryvsky +2 more
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High performance short-block binary regular LDPC codes
Alexandria Engineering Journal, 2018 LDPC code shows a good performance with long-block codes. However, certain channels are constrained to use short-block codes due to latency. Therefore, concatenated LDPC codes with iterative decoding is a good choice to get a good performance ...
Latifa Mostari, Abdelmalik Taleb-Ahmed
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Full-Length Row-Multiplier QC-LDPC Codes With Girth Eight and Short Circulant Sizes
IEEE Access, 2023 As a special case of a quasi-cyclic (QC) low-density parity-check (LDPC) code, a full-length row-multiplier (FLRM) QC-LDPC code is described by a compact exponent matrix based on two sequences of integers.
Juhua Wang +3 more
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High-Speed Reconciliation for CVQKD Based on Spatially Coupled LDPC Codes
IEEE Photonics Journal, 2018 The speed of continuous variable quantum key distribution is limited by the reconciliation efficiency and the reconciliation frame error rate (FER) in the reconciliation phase.
Xue-Qin Jiang +3 more
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