• In information theory, a low-density parity-check (LDPC) code is a linear error correcting code, a method of transmitting a message over a noisy transmission...
    34 KB (4,435 words) - 04:17, 31 July 2024
  • Thumbnail for Error detection and correction
    codes; on the theoretical limits of error-correction; and on the latest state-of-the-art error-correcting codes, including low-density parity-check codes...
    35 KB (4,266 words) - 16:17, 8 October 2024
  • Thumbnail for Hamming code
    occurred. Coding theory Golay code Hamming bound Hamming distance Low-density parity-check code Reed–Muller code Reed–Solomon error correction Turbo code See...
    29 KB (4,043 words) - 05:11, 12 November 2024
  • most popular erasure codes are Reed-Solomon coding, Low-density parity-check code (LDPC codes), and Turbo codes. As of 2023, modern data storage systems...
    18 KB (2,287 words) - 15:00, 24 September 2024
  • code Linear Network Coding, a type of erasure correcting code across networks instead of point-to-point links Long code Low-density parity-check code...
    40 KB (4,684 words) - 01:51, 15 November 2024
  • noise. Turbo codes compete with low-density parity-check (LDPC) codes, which provide similar performance. Until the patent for turbo codes expired, the...
    21 KB (2,732 words) - 23:04, 19 November 2024
  • error-correcting codes are based on sparse graphs, achieving close to the Shannon limit. The archetypal sparse-graph codes are Gallager's low-density parity-check codes...
    1 KB (124 words) - 18:52, 12 August 2023
  • probabilistic graphical model and thus methods from decoding low-density parity-check codes like belief propagation can be used. In the erasure channel...
    18 KB (2,927 words) - 06:01, 22 July 2023
  • regular low density parity check code. Another possibility would be a concatenation of a Hamming code with a low density parity check code. The inner code takes...
    10 KB (1,355 words) - 04:47, 31 July 2024
  • Turbo, Golay, algebraic geometry codes, low-density parity-check codes, and space–time codes. Error detecting codes can be optimised to detect burst errors...
    15 KB (1,980 words) - 13:44, 18 August 2024
  • A multidimensional parity-check code (MDPC) is a simple type of error correcting code that operates by arranging the message into a multidimensional grid...
    2 KB (280 words) - 03:00, 17 March 2024
  • Polynomial codes, of which BCH codes are an example Reed–Solomon codes Reed–Muller codes Algebraic geometry codes Binary Goppa codes Low-density parity-check codes...
    17 KB (2,688 words) - 01:54, 15 November 2024
  • Thumbnail for David J. C. MacKay
    neural networks, the rediscovery (with Radford M. Neal) of low-density parity-check codes, and the invention of Dasher, a software application for communication...
    21 KB (1,583 words) - 03:17, 13 October 2024
  • compared to well-defined and implemented coding schemes such as low-density parity-check code (LDPC) and turbo code. Polar performance can be improved with...
    11 KB (1,308 words) - 16:44, 15 October 2024
  • Belief propagation (category Coding theory)
    empirical success in numerous applications, including low-density parity-check codes, turbo codes, free energy approximation, and satisfiability. The algorithm...
    29 KB (4,323 words) - 20:57, 11 November 2024
  • Advanced techniques such as Reed–Solomon codes and, more recently, low-density parity-check (LDPC) codes and turbo codes, come much closer to reaching the theoretical...
    16 KB (2,780 words) - 15:22, 18 January 2024
  • modern iteratively-decoded error-correcting codes, including turbo codes and low-density parity-check codes. Based on the trellis: Compute forward probabilities...
    3 KB (258 words) - 21:11, 21 June 2024
  • or BCJR algorithm are essential in iteratively decoding the low-density parity-check code used in modern HDDs. A single integrated circuit contains the...
    18 KB (2,397 words) - 04:36, 31 July 2024
  • Thumbnail for GPS signals
    GPS signals (redirect from Precision code)
    expanded with a 24-bit CRC, then individually encoded using a low-density parity-check code, and then interleaved as a single unit using a block interleaver...
    75 KB (10,650 words) - 09:23, 20 November 2024
  • Thumbnail for 10 Gigabit Ethernet
    error correction (FEC) coding is performed using a [2048,1723]2 low-density parity-check code on 1723 bits, with the parity check matrix construction based...
    48 KB (4,053 words) - 15:17, 25 September 2024
  • expensive to implement both HomePlug's turbo coding forward error correction and G.hn's low-density parity-check code. However, IEEE 1901 allows co-existence...
    26 KB (2,986 words) - 10:06, 2 September 2024
  • R.L. (Feb 2001). "Design of capacity-approaching irregular low-density parity-check codes". IEEE Transactions on Information Theory. 47 (2): 619–37. doi:10...
    3 KB (362 words) - 23:32, 18 February 2024
  • noisy-channel coding theorem. This text also discusses state-of-the-art methods from coding theory, such as low-density parity-check codes, and Turbo codes. MIT...
    21 KB (3,073 words) - 08:40, 18 November 2024
  • Thumbnail for Expander code
    length of the code. In coding theory, an expander code is a [ n , n − m ] 2 {\displaystyle [n,n-m]_{2}\,} linear block code whose parity check matrix is the...
    14 KB (2,562 words) - 06:40, 22 July 2024
  • and Computing. Vol. 36. University Of Illinois. pp. 201–210. Iterative Error Correction: Turbo, Low-Density Parity-Check, and Repeat-Accumulate Codes...
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  • Compressed sensing in speech signals Low-density parity-check code Noiselet Sparse approximation Sparse coding Verification-based message-passing algorithms...
    46 KB (5,872 words) - 22:03, 28 August 2024
  • has been invented for the decoding of low-density parity-check codes (LDPC codes also known as Gallager codes, in honor of Robert G. Gallager, who developed...
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  • 11n specification: Two to four spatial streams Low-density parity-check code (LDPC) Space–time block coding (STBC) Transmit beamforming (TxBF) 400 ns short...
    39 KB (2,931 words) - 20:05, 26 September 2024
  • Thumbnail for Robert G. Gallager
    Gallager's 1960 Sc.D. thesis, on low-density parity-check codes, was published by the MIT Press as a monograph in 1963. The codes, which remained useful over...
    11 KB (1,065 words) - 01:59, 9 November 2024
  • with the contents of the parity track, and the polynomial check code calculated and exclusive-ORed with the received check code, resulting in two 8-bit...
    76 KB (5,354 words) - 13:44, 7 November 2024