Low-density parity-check code (redirect from Ldpc code)
parity-check (LDPC) code is a linear error correcting code, a method of transmitting a message over a noisy transmission channel. An LDPC code is constructed...
34 KB (4,435 words) - 04:17, 31 July 2024
iterated codes, like turbo codes and LDPC codes, typically assumes an independent distribution of errors. Systems using LDPC codes therefore typically employ...
40 KB (4,678 words) - 22:18, 17 June 2024
data-corrupting noise. Turbo codes compete with low-density parity-check (LDPC) codes, which provide similar performance (but are patent-free). The name...
21 KB (2,712 words) - 05:14, 31 July 2024
standard are: A powerful coding scheme based on a modern LDPC code. For low encoding complexity, the LDPC codes chosen have a special structure, also known as...
18 KB (1,259 words) - 08:16, 2 March 2024
current widespread use. Turbo codes and low-density parity-check codes (LDPC) are relatively new constructions that can provide almost optimal efficiency...
34 KB (4,212 words) - 13:11, 12 August 2024
such as Reed–Solomon codes and, more recently, low-density parity-check (LDPC) codes and turbo codes, come much closer to reaching the theoretical Shannon...
16 KB (2,780 words) - 15:22, 18 January 2024
as of 2009[update], low-density parity-check codes (LDPC) were supplanting Reed–Solomon; LDPC codes enable performance close to the Shannon limit and...
138 KB (14,071 words) - 23:49, 13 August 2024
encountered in modern iterated sparse graph-based error correcting codes like LDPC codes and turbo codes. When the bit error ratio (BER) is plotted for conventional...
1 KB (168 words) - 09:13, 4 July 2022
coding techniques to get the bits through, for example the turbo code and LDPC codes. In 1948, Claude Shannon published "A Mathematical Theory of Communication"...
27 KB (3,546 words) - 22:13, 16 April 2024
Tornado codes use a layered approach. All layers except the last use an LDPC error correction code, which is fast but has a chance of failure. The final...
6 KB (945 words) - 12:27, 18 July 2024