Книга Codes for Error Detection

Codes for Error Detection

Книги Компьютерные сети

Автор:

Torleiv Kl've

Год издания: 2007

Формат: pdf

Издат.:

World Scientific Publishing Company

Страниц: 216

Размер: 1,1

ISBN: 9812705864

Язык: Английский

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There are two basic methods of error control for communication, both involving coding of the messages. With forward error correction, the codes are used to detect and correct errors. In a repeat request system, the codes are used to detect errors and, if there are errors, request a retransmission. Error detection is usually much simpler to implement than error correction and is widely used. However, it is given a very cursory treatment in almost all textbooks on coding theory. Only a few older books are devoted to error detecting codes. This book begins with a short introduction to the theory of block codes with emphasis on the parts important for error detection. The weight distribution is particularly important for this application and is treated in more detail than in most books on error correction. A detailed account of the known results on the probability of undetected error on the q-ary symmetric channel is also given.

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tata167

13 мая 2008

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