parity check


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parity check

n
(Computer Science) a check made of computer data to ensure that the total number of bits of value 1 (or 0) in each unit of information remains odd or even after transfer between a peripheral device and the memory or vice versa
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Noun1.parity check - a system of checking for errors in computer functioning
confirmation, substantiation, verification, check - additional proof that something that was believed (some fact or hypothesis or theory) is correct; "fossils provided further confirmation of the evolutionary theory"
References in periodicals archive ?
to Transcend, the drive is loaded with low-density parity check (LDPC)
In 1962, Gallager invented low density parity check (LDPC) [5]codes in his thesis; along with an elegant iterative decoding scheme.
The LDPC codes are uniquely defined by a parity check matrix, H, and the H matrix of binary LDPC codes can be graphically described by a bipartite graph called a Tanner graph [17] of check nodes (CNs) and variable nodes (VNs).
61607; Empowers the user to compare competitor rates & OTA rank in real-time along with the Parity Check reports.
LDPC ECC (low density parity check error correction) prevents data corruption and promotes integrity, while Data Shaping evenly distributes task loads across NAND Flash cells.
Section 4 shows the reconstruction algorithm of parity check matrix.
The RivieraWaves Wi-Fi IP platforms support a host of advanced features, including Beam Forming, Multi-User MIMO (Wave 2), Space-Time Block Code (STBC), Low Density Parity Check (LDPC), Dynamic Bandwidth Management, Wi-Fi Direct and WAPI.
Du and Zhang [12] investigated a cooperative strategy based on parity check network coding.
It occupies only 1RU space and monitors input RF modulation parameters and signal performance metrics including Modulation Error Ratio (MER) and Low Density Parity Check (LDPC) status.
The corresponding neutrosophic parity check matrix is given as follows,
The other family of decoding algorithms is iterative decoding algorithms, such as turbo decoding with component MAP decoders for each component code, and the sum product algorithm (SPA) [29] or its lower complexity approximation, min-sum decoding [30] for low density parity check codes (LDPCs).
It supports VersaFEC and Low Density Parity Check (LDPC) forward error correction, DoubleTalk Carrier-in-Carrier[R] bandwidth compression and the IP Packet Processor with advanced QoS and compression.