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CPC
2004
13 years 6 months ago
2004
Let C be a code of length n over an alphabet of q letters. A codeword y is called a descendant of a set of t codewords {x1 , . . . , xt } if yi {x1 i , . . . , xt i} for all i = ...
DCC
2004
IEEE
14 years 6 months ago
2004
IEEE
Traceability codes are designed to be used in schemes that protect copyrighted digital data against piracy. The main aim of this paper is to give an answer to a Staddon-Stinson-We...
IWOCA
2009
Springer
14 years 1 months ago
2009
Springer
An n-bit (cyclic) Gray code is a (cyclic) sequence of all n-bit strings such that consecutive strings differ in a single bit. We describe an algorithm which for every positive int...
CORR
2007
Springer
13 years 7 months ago
2007
Springer
— In this paper, we present an analytical analysis of the convergence of raptor codes under joint decoding over the binary input additive white noise channel (BIAWGNC), and deriv...
SOFSEM
2010
Springer
13 years 4 months ago
2010
Springer
It is well-known that, given a probability distribution over n characters, in the worst case it takes (n log n) bits to store a prefix code with minimum expected codeword length. H...