• 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...
    33 KB (4,426 words) - 22:16, 6 May 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...
    34 KB (4,200 words) - 14:58, 19 May 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 (4,044 words) - 09:14, 18 March 2024
  • schemes. The most popular erasure codes are Reed-Solomon coding, Low-density parity-check code (LDPC codes), and Turbo codes. As of 2023, modern data storage...
    17 KB (2,182 words) - 20:20, 6 May 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 (4,679 words) - 11:53, 21 April 2024
  • Turbo codes compete with low-density parity-check (LDPC) codes, which provide similar performance (but were patent-free). The name "turbo code" arose...
    20 KB (2,662 words) - 00:26, 5 December 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...
    9 KB (1,342 words) - 00:31, 5 December 2023
  • 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
  • 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...
    5 KB (570 words) - 02:08, 25 April 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
  • 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 (1,979 words) - 09:21, 8 January 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...
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  • 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) - 03:03, 26 January 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 (254 words) - 22:52, 27 November 2023
  • 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) - 20:00, 6 January 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 (10,657 words) - 17:08, 16 May 2024
  • Thumbnail for DARPA Quantum Network
    near the Shannon limit via forward error correction based on low-density parity-check codes (LDPC). Sifting was performed either by traditional methods...
    10 KB (1,261 words) - 13:54, 25 April 2024
  • and Computing. Vol. 36. University Of Illinois. pp. 201–210. Iterative Error Correction: Turbo, Low-Density Parity-Check, and Repeat-Accumulate Codes...
    3 KB (376 words) - 00:23, 5 December 2023
  • 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...
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  • Thumbnail for Queqiao-2 relay satellite
    itself. With quadrature phase shift keying, encryption with low-density parity check code and a traveling wave tube amplifier with 55 W output power,...
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  • or BCJR algorithm are essential in iteratively decoding the low-density parity-check code used in modern HDDs. A single integrated circuit contains the...
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  • 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 (4,043 words) - 03:55, 13 May 2024
  • 11n specification: Two to four spatial streams Low-density parity-check code (LDPC) Space–time block coding (STBC) Transmit beamforming (TxBF) 400 ns short...
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  • sensitive materials. Noiselet Sparse approximation Sparse coding Low-density parity-check code Compressed sensing in speech signals The quotation marks...
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  • 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...
    25 KB (3,070 words) - 01:21, 31 May 2024
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    that would be ignored by a system with no error-checking, would halt a machine with parity checking, or would be invisibly corrected by ECC: a single...
    30 KB (3,404 words) - 05:02, 31 May 2024
  • Convolutional code Viterbi algorithm Soft-decision decoding Interleaver BCJR algorithm Low-density parity-check code Repeat-accumulate code Turbo equalizer...
    8 KB (997 words) - 03:38, 23 September 2023