parity check
Parity Check Network Coding for Multiple Access Relay Channel in Wireless Sensor Cooperative Communications
... a parity-check network coding scheme in the context of a two-source multiple access relay channel (MARC) model, a common compact model in hierarchical wireless sensor networks ...Low-Density ...
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Analysis of Network Packet Loss using Passive Measurement Technique Augumented with Parity-Check
... PMT augmented with parity check is significant for packet loss measurement because it enables operators to take appropriate action against network performance degradation. This paper focuses on two points ...
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Modified belief propagation decoders for quantum low density parity check codes
... low-density parity-check (LDPC) codes are effective at protecting information against ...a parity-check matrix for the code, with each row corresponding to a check node and each column ...
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Error Detection in Decoding of Euclidean Geometry Low Density Parity Check (EG-LDPC) Codes
... decoding can be implemented serially with very simple circuitry, but requires long decoding times. In a memory, this would increase the access time which is an important system parameter. Only a few classes of codes can ...
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MDPC-McEliece: New McEliece Variants from Moderate Density Parity-Check Codes
... Abstract. In this work, we propose two McEliece cryptosystem vari- ants: one from Moderate Density Parity-Check (MDPC) codes and an- other from quasi-cyclic MDPC codes. MDPC codes are LDPC codes of higher ...
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Amalgamated Generalized Low Density Parity Check and Luby Transform Codes for the Wireless Internet
... Abstract – Luby Transform codes (LT) were originally designed for the Binary Erasure Channel (BEC) encoun- tered owing to randomly dropped packets in the statisti- cal multiplexing aided Internet, where transmitted pack- ...
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Serial Genetic Algorithm Decoder for Low Density Parity Check Codes
... Density Parity Check (LDPC) codes are a class of linear block ...their parity-check matrix which contains only a few 1’s in comparison to the amount of ...
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Analysis of High Efficiency Low Density Parity-Check Code Encryption
... The decoder using our method consists of two processing elements-Check Node Unit (CNU) and Variable Node Unit (VNU) as shown in Fig.1.The CNUs and VNUs are connected through the routing network. Input and output ...
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On the use of ordered statistics decoders for low density parity check codes in space telecommand links
... On the Use of Ordered Statistics Decoders for Low Density Parity Check Codes in Space Telecommand Links Baldi et al EURASIP Journal on Wireless Communications and Networking (2016) 2016 272 DOI 10 118[.] ...
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CONSTRUCTION OF REGULAR QUASI CYCLIC-LOW DENSITY PARITY CHECK CODES FROM CYCLIC CODES
... In this work we are interested in the problems related to the improvement of the error-correcting performances of LDPC codes. This improvement can be made during the construction of the LDPC codes or during their ...
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Data Hiding in Image Using Tree Based Parity Check with LSB Matching Revisited Algorithm
... Based Parity Check (TBPC) Method: The TBPC method is a least significant bit steganography ...even parity check on the master tree from the root to ...
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Study of a Parity Check Based Fault-Detection Countermeasure for the AES Key Schedule
... check method proposed by Chen et al. We previously remarked that only the original differential can possibly propagate up to the parity check equation without cancellation. We also noticed that this ...
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Enhanced belief propagation decoding of polar codes by adapting the parity check matrix
... initial LLRs from the channel but a different grouping of the less reliable bits. This is based on the fact that some bits with their | LLR | s close to those in the unreliable set B are also of the wrong sign and vice ...
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Half Rate Quasi Cyclic Low Density Parity Check Codes Based on Combinatorial Designs
... , parity check matrix is constructed by five rows of the circulant matrices and satisfies conditions of the proposition ...The parity check matrix of this code is formed by six rows of ...
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ANALYSIS AND REVIEW OF EFFICIENT DECODING ALGORITHMS FOR LOW DENSITY PARITY CHECK(LDPC) CODE
... LOW-DENSITY parity-check (LDPC) codes were invented by Robert Gallager but had been ignored for years until Mackay rediscovered them ...Low-density parity-check (LDPC) codes are one kind of ...
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Implementation for Two Stage Hybrid Decoding for Low Density Parity Check (LDPC) Codes
... all parity-check sums (syndrome condition) to decide if the hard decision of the received vector is true or ...unsatisfied parity-check ...the parity-check sums are recomputed ...
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Design and Implementation of Low Density Parity Check Codes
... density parity check codes are popularly known as LDPC ...from parity- check matrix concept which has only few one’s when compared with ...
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Implementation of Low density Parity Check system using Probabilistic Gradient Descent Bit Flipping Decoder
... In the recent years low density parity check performed crucial role in increasing the performance in decoding. The main focus is to improve the error correction or minimise the hardware in decoder. [1] ...
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An Efficient Image Steganography Scheme using Tree Based Parity Check
... The receiver side includes four processes namely reverse index table generation, source texture recovery, composition image generation, and reverse Tree Based parity Check. The stego synthetic texture is ...
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An FPGA Implementation of Regular Low Density Parity Check Code Decoder
... Because of their excellent error-correcting performance, low-density parity-check (LDPC) codes have recently attracted a lot of attention. In this paper, we are interested in the practical LDPC code decoder ...
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