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DCC
2010
IEEE
13 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
AAECC
2007
Springer
118views Algorithms» more  AAECC 2007»
13 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
TCOM
2010
114views more  TCOM 2010»
12 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