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Turbo coding is an iterated soft-decoding scheme that combines two or more relatively simple convolutional codes and an interleaver to produce a block code that can perform to within a fraction of a decibel of the Shannon limit.
The on-line textbook: Information Theory, Inference, and Learning Algorithms, by David J.C. MacKay, contains chapters on elementary error-correcting 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, turbo codes, and fountain codes.
5. Enter your area code. 6. Click Next. 7. Choose whether to dial 1 and/or 1 + Area Code. Note: Many areas now require 10 digit dialing, and in some cases 1 + Area Code may be required as well. Contact your local telephone company for more information.
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The Reed–Solomon code is actually a family of codes, where every code is characterised by three parameters: an alphabet size , a block length, and a message length, with <. The set of alphabet symbols is interpreted as the finite field F {\displaystyle F} of order q {\displaystyle q} , and thus, q {\displaystyle q} must be a prime power .
Parity check is the special case where n = k + 1.From a set of k values {}, a checksum is computed and appended to the k source values: + = =. The set of k + 1 values {} + is now consistent with regard to the checksum.
Pioneer sold the shares in 1998. Pioneer becomes the number one brand of soybeans in North America. 1992 - Pioneer paid $450,000 to Monsanto for rights to genetically modified soybean seeds that are resistant to RoundUp herbicide. 1993 - Pioneer paid $38 million to Monsanto for rights to Bt corn that is resistant to European corn borers.