LDPC code
LDPC Channel Code Optimization for a GNSS CSK-Modulated Signal
... signal. Code-Shift Keying (CSK) modulation has been chosen as an alternative to current Binary Phase- Shift Keying (BPSK) since it allows increased data rates and non-coherent ...channel code, as in the ...
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Generalized Belief Propagation to break trapping sets in LDPC codes
... describe LDPC codes and BP update ...Tanner code [24]. This is an LDPC code of column-weight three, length 155 and rate 2/5, entirely covered with 155 small trapping sets, providing BP ...
7
Extended Barrel-Shifter for Versatile QC-LDPC Decoders
... Abstract—In this paper, we present a Barrel-Shifter of size n extended by an additional layer that can handle any circular permutation on a vector of size m, m ≤ n, thanks to a specific initial positioning of the data. ...
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A Parallel and Modular Architecture for 802.16e LDPC Codes
... LDPC code. The parallel and modular architecture well suited to LDPC code decoding presented in this paper is made up of several processing modules communicating through an optimized ...
5
Design of Unstructured and Protograph-Based LDPC Coded Continuous Phase Modulation
... SISO LDPC decoder separated by partial interleavers as shown in ...of LDPC codewords bits using a different interleaving patterns among variable nodes of the same ...the LDPC code and the CPM ...
6
Clipping demapper for LDPC decoding in impulsive channel
... Fig. 7. Comparison of the methods on channel with α = 1.2. IV. S IMULATIONS In this section, we compare in terms of bit error rate (BER) the clipping demappers obtained by the three methods previously presented. The ...
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A New Powerful Scalable Generic Multi-Standard LDPC Decoder Architecture
... {fau,hamon}@r-interface.com Abstract We propose a new powerful scalable generic parallel and modular architecture well suited to LDPC code decoding. This architecture template has been instantiated in the ...
3
lambda-Min Decoding Algorithm of Regular and Irregular LDPC Codes
... of LDPC (low-density parity- check) codes as a standard for DVB-S2, VLSI ar- chitectures for LDPC code decoders become a real ...regular LDPC codes with small length, but they introduce some ...
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Parallel Genetic Algorithm Decoder Scheme Based on DP-LDPC codes for industrial IoT scenarios
... c Faculty of Informatics, Reutlingen University, Reutlingen, Germany Abstract The new concept of Industry 4.0 has been developed: it includes both Internet of Things (IoT) structure and the local networks that are still ...
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A Novel Architecture For Elementary Check Node Processing In Non-Binary LDPC Decoders
... B. Construction of NB-LDPC codes The Tanner graph of a NB-LDPC code is usually much sparser than the one of its homologous binary counterpart for the same rate and binary code length. The ...
6
Adding Integrity Verification Capabilities to the LDPC-Staircase Erasure Correction Codes
... The LDPC-Staircase AL-FEC Codes: The LDPC- staircase codes [8] (also called double-diagonal or repeat accumulate codes) are particularly interesting for file delivery ...
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Adding Integrity Verification Capabilities to the LDPC-Staircase Erasure Correction Codes
... We believe that sooner or later these broadcasting systems will require security services. Therefore, the current work focuses on the content integrity service, which is one of the key security building blocks. More and ...
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Code-division multiplexing
... The continuous time partial cross-correlation function of two signature waveforms can be expressed in terms of the discrete-time partial cross-correlation functions of their [r] ...
404
CFD Code Evaluation
... • Runs on both UNIX and Windows operating systems. • Uses both a relatively easy to understand GUI or a command-line TUI. Both use a series of straightforward menus and submenus to reach desired commands. • Meshing is ...
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Code priorities approved
... development system, as well as the consensus of the provincial/territorial jurisdictions that work was needed. The Joint Task Group also compiled a list of emerging code development issues having broad impact on ...
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Générateur de code multi-temps et optimisation de code multi-objectifs
... du code pour les GPU CUDA, deGoal génère dans la représentation intermédiaire PTX et donne la main à la bibliothèque CUDA pour la génération du noyau ...du code binaire est non ...
141
Vérification de code-octet avec sous-routines par code-certifié
... Notre technique est inspirée du travail présenté par Rose [RosR98] [Rose02], mais va plus loin en proposant un format de certificat différent qui permet à notre al[r] ...
128
Scheduled-PEG construction of LDPC codes for Upper-Layer FEC
... of LDPC codes with fixed code-length and degree distributions, which allows us to find codes with very small average inefficiency (the performance metric considered in this ...
5
Le code épigénétique des histones
... Le code des histones Les histones peuvent subir de nombreuses modifications, chaque modification pouvant influencer les autres. En effet, l’immunoprécipi- tation de chromatine a permis de démontrer que la ...
5
La vérité perdue du "code de Nuremberg" : réception et déformations du "code de Nuremberg" en France
... « code de Nuremberg ...« code de Nuremberg », est exemplaire de cette médicalisation du point de vue : le « malade » peut, sur cette base, être inscrit dans un cadre normatif sous-protecteur (comparé à ...
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