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124
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DCC
2010
IEEE
15 years 5 months ago
Equidistant frequency permutation arrays and related constant composition codes
This paper introduces and studies the notion of an equidistant frequency permutation array (EFPA). An EFPA of length n = m, distance d and size v is defined to be a v
Sophie Huczynska
130
Voted
AAECC
2007
Springer
118views Algorithms» more  AAECC 2007»
15 years 11 months ago
The "Art of Trellis Decoding" Is NP-Hard
Given a linear code C, the fundamental problem of trellis decoding is to find a coordinate permutation of C that yields a code C′ whose minimal trellis has the least state-compl...
Navin Kashyap
105
Voted
DCC
2006
IEEE
16 years 4 months ago
A random construction for permutation codes and the covering radius
Peter Keevash, Cheng Yeaw Ku
126
Voted
TCOM
2010
114views more  TCOM 2010»
14 years 11 months ago
Concentric Permutation Source Codes
Permutation codes are a class of structured vector quantizers with a computationally-simple encoding procedure based on sorting the scalar components. Using a codebook comprising s...
Ha Q. Nguyen, Lav R. Varshney, Vivek K. Goyal