iterative parity-check decoding
Enhanced belief propagation decoding of polar codes by adapting the parity check matrix
... (SCL) decoding. In this paper, we propose an improved BP decoding for polar codes with good performance by adapting their parity-check ...The decoding process is iterative and ...
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Design and Implementation of Low Density Parity Check Codes
... matrices. The complexity of multiplying a codeword with matrix which depends on the amount of 1’s in the matrix. The sparse matrix H which is denoted in the form [ P T I].The Generator matrix G can be calculated as G=[I ...
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Symbol Flipping Based Decoding of Generalized Low Density Parity Check Coded Constructed over GF(q)
... the decoding philosophy of the J = 2-level GLDPC (N, K) code is sim- ilar to that of the product code, where every symbol of the GLDPC (N, K ) codeword could be decoded by two constituent codes, which belong to ...
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Low Complexity Decoding Algorithms and Architectures for Non Binary LDPC Codes
... and Parity check matrices for 10X 15. Decoding done by EMS algorithm and the result is shown in Fig (8) Iterative ...BP. Decoding error in reduced when the iteration EMS (modified BP) ...
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An Efficient High Secured Architecture for M-Turbo Decoders Using S- Box
... for decoding low-density parity-check (LDPC) codes using log-likelihood ratios (LLR) as messages between symbol and parity-check ...becomes iterative and approximate, but in ...
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Reducing latency overhead caused by using LDPC codes in NAND flash memory
... degradation, leading to the demand for more and more powerful error correction codes. This inevitable trend makes conventional BCH code increasingly inadequate, and iterative coding solutions such as low-density ...
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Iterative Decoding of Concatenated Codes: A Tutorial
... turbo decoding algorithm for parallel con- catenated codes a decade ago [1] ranks among the most sig- nificant breakthroughs in modern communications in the past half century: a coding and decoding ...
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On the Decoding Failure Rate of QC-MDPC Bit-Flipping Decoders
... The decoding of MDPC codes can be achieved, as for LDPC codes, with iterative decoders [5] and in particular with the (hard decision) bit flipping algorithm, which we consider ...decision decoding ...
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Graph based codes and iterative decoding
... the iterative decoding algorithm ...and iterative decoding, which led among other things to the rediscovery of low-density parity-check (LDPC) codes [17, 37], and the invention ...
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Title: Critical Scan Path Based Energy Efficient LDPC Decoder using DD-BMP
... low-density parity-check (LDPC) code is a method of transmitting a message over a noisy transmission channel that are well known for their near-capacity error correction capabilities under iterative ...
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Convergence Analysis of Iterative Threshold Decoding Process
... density parity check (LDPC) ...the decoding performance obtained by the bit error rate (BER) ...of iterative threshold decoding of one step majority logic decodable (OSMLD) ...The ...
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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
... Low-Density Parity Check Code (LDPC) was discovered by Gallager [1], [2] in 1960s where this code proved the extraordinary performance with iterative decoding that was very close to Shannon ...
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Iterative decoding for wireless networks
... It can be shown using density evolution analysis [45, 66] that such design is indeed feasible. The proof consists of three main steps. Firstly, it can be shown that the performance of an ensemble of LDPC codes depends ...
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A primer on equalization, decoding and non iterative joint equalization and decoding
... and decoding using a super-trellis is discussed next, first for systems where no interleaving is performed, and then for systems where depth-limited interleavers are ...
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Memory-Reduced and Area Efficient Turbo Decoding Architecture
... A new NII metric storing method has been proposed to reduce the memory demands of turbo decoders. By storing the precise ranges rather than the individually compressed metrics, the proposed algorithm remarkably reduces ...
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FPGA IMPLEMENTATION OF EUCLIDEAN GEOMETRY LOW DENSITY PARITY CHECK (EG-LDPC) CODES FOR ERROR CHECKING IN MAJORITY LOGIC DECODING
... logic decoding can be implemented serially with very simple circuit, but requires long decoding times and it increases the ...majority decoding. Among those are some Euclidean geometry low density ...
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Optimizing Information Set Decoding Algorithms to Attack Cyclosymmetric MDPC Codes
... Density Parity Check (MDPC) ...set decoding algorithms can be modified, by choosing the columns of the information set in a way that takes advantage of the added ...
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Iterative channel equalization, channel decoding and source decoding
... [1]–[3], iterative processing has been applied for tackling numerous communication problems ...an iterative source/channel decoding scheme was proposed for exploiting the redundancy imposed by a ...
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