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Error detection and correction

In information theory and coding theory with applications in computer science and telecommunications, error detection and correction (EDAC) or error control are techniques that enable reliable delivery of digital data over unreliable communication channels. Many communication channels are subject to channel noise, and thus errors may be introduced during…

History, Applications & Science

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Overview

History

Principles

Types of error correction

Types of error detection

Applications

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Map overview Semantic statistics

Error detection and correction

Nodes147
Edges146
Triples63
Avg. degree1.99
Density0.013605
Components1

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Error detection and correction

Top relations

related to Further reading · 21
Error detection and correction → Applications, Correction, Correction Library, Costello, Daniel, Error Control Coding, Fundamentals, HPC Archived, ISBN, Jr, Large-Scale High-Performance Computing Archived, Prentice Hall, Shu Lin, Silent Data Corruption, SoftECC, Software Memory Integrity CheckingA, Software-based DRAM Error Detection, System, Tunable, Wayback Machine
related to Data storage · 12
Error detection and correction → Btrfs, CRC-32, Error, Filesystems, Modern, RAID, Reed, Reed-Solomon, Solomon, Some, The, ZFS
related to Principles · 8
Error detection and correction → All, Common, Consequently, Error, Good, If, In, Some
see also · 2
Error detection and correction → Berger, Error

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Important terminology

error data errors codes correction code used detection arq parity error-correcting checksum number channel redundancy use bits information receiver hash

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
an error-correcting codeinstance ofis a process of adding redundant data0.80text
cellular networkinstance ofError-correcting codes are used in lower-layer communication0.80text
high-speed fiber-optic communicationinstance ofError-correcting codes are used in lower-layer communication0.80text
Wi-Fiinstance ofError-correcting codes are used in lower-layer communication0.80text
as well as for reliable storage in media such as flash memoryinstance ofError-correcting codes are used in lower-layer communication0.80text
hard diskinstance ofError-correcting codes are used in lower-layer communication0.80text
RAM.Error-correcting codes are usually distinguished between convolutional codesinstance ofError-correcting codes are used in lower-layer communication0.80text
block codesinstance ofError-correcting codes are used in lower-layer communication0.80text
hard disk drives.The parity bit can be seen as a special-case 1-bit CRC.Cryptographic hash functionThe output of a cryptographic hash functioninstance ofCRCs are particularly easy to implement in hardware and are therefore commonly used in computer networks and storage devices0.80text
also known as a message digestinstance ofCRCs are particularly easy to implement in hardware and are therefore commonly used in computer networks and storage devices0.80text
can provide strong assurances about data integrityinstance ofCRCs are particularly easy to implement in hardware and are therefore commonly used in computer networks and storage devices0.80text
whether changes of the data are accidentalinstance ofCRCs are particularly easy to implement in hardware and are therefore commonly used in computer networks and storage devices0.80text

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