By Elwyn R Berlekamp

This can be the revised version of Berlekamp's well-known e-book, "Algebraic Coding Theory", initially released in 1968, in which he brought numerous algorithms that have as a consequence ruled engineering perform during this box. this type of is an set of rules for deciphering Reed-Solomon and Bose–Chaudhuri–Hocquenghem codes that thus grew to become referred to as the Berlekamp–Massey set of rules. one other is the Berlekamp set of rules for factoring polynomials over finite fields, whose later extensions and elaborations turned typical in symbolic manipulation structures. different novel algorithms stronger the elemental equipment for doing a number of mathematics operations in finite fields of attribute . different significant learn contributions during this booklet integrated a brand new category of Lee metric codes, and distinctive asymptotic effects at the variety of info symbols in lengthy binary BCH codes.

chosen chapters of the ebook grew to become a customary graduate textbook.

either practising engineers and students will locate this publication to be of significant value.

Readership: Researchers in coding idea and cryptography, algebra and quantity thought, and software program engineering.

Show description

Read or Download Algebraic Coding Theory PDF

Best information theory books

Quantentheorie der Information: Zur Naturphilosophie der Theorie der Ur-Alternativen und einer abstrakten Theorie der Information

NEUER textual content! !! Holger Lyre unternimmt den grenzüberschreitenden Versuch, sowohl in die philosophisch-begrifflichen als auch physikalisch-mathematischen Zusammenhänge von Informations- und Quantentheorie einzudringen. Ausgehend von Carl Friedrich von Weizsäckers "Quantentheorie der Ur-Alternativen" wird eine abstrakte Theorie der info in transzendentalphilosophischer Perspektive entworfen und werden die begrifflichen Implikationen einer konsequenten Quantentheorie der info umfassend diskutiert.

Probability, Random Processes, and Ergodic Properties

Likelihood, Random methods, and Ergodic houses is for mathematically vulnerable information/communication theorists and other people operating in sign processing. it's going to additionally curiosity these operating with random or stochastic approaches, together with mathematicians, statisticians, and economists. Highlights: whole journey of e-book and instructions to be used given in advent, so readers can see at a look the themes of curiosity.

Extra resources for Algebraic Coding Theory

Sample text

2, then we may define a,. and r,. rn-1 + r,. 0 ~ r,. - r,. rn-1 +0 0 0 0 0 < r-1 < r-2 < ro < r-1 < r1 < ro < r2 < r1 0 = r,. < Tn-1 tHere [:z:) denotes the greatest integer not exceeding z. page 2 March 3, 2015 6:6 Algebraic Coding Theory (Revised Edition) 9in x 6in b2064-ch02 ARITHMETIC OPERATIONS MODULO AN IRREDUCIBLE BINARY POLYNOMIAL 23 Since the r's form a decreasing sequence of nonnegative integers, they must eventually terminate when, for some n, rn = 0. ) The weakness of this method is that all the partial results ao, ro, a1, r1, .

Hint: Show that the rows of either are linear combinations of rows of the other. 2. How many codewords are there in the codes defined by each of the following parity-check matrices? 3. For the code defined by the parity-check matrix II of Prob. 4. Fill in the last five rows of the matrix in Eq. 41). 5. If the received word (using the code of Prob. 4) is 0110101110110101110001011011111 what is s,? What is Sa? If there are no more than two errors, what is the errorlocator polynomial? 6. (a) Verify that the binary polynomial x 4 + x 3 + x 2 + x + 1 is irreducible.

Page 12 March 3, 2015 6:6 Algebraic Coding Theory (Revised Edition) 9in x 6in b2064-ch02 ARITHMETIC OPERATIONS MODULO AN IRREDUCIBLE BINARY POLYNOMIAL 33 The output, which is taken from the right side of the loop, then becomes equal to the input. After the set command again becomes zero, the loop signals retain their new values. Thus the flip-flop is a memory device. Its output now is equal to the value that the input was when the set command signal was most recently one. A more complicated flip-flop is shown in Fig.

Download PDF sample

Rated 4.36 of 5 – based on 12 votes