Coding Techniques for Digital Recorders
Coding Techniques for Digital Recorders
Principles of Digital Communication and Coding
Principles of Digital Communication and Coding
Redundant alphabets with desirable frequency spectrum properties
IBM Journal of Research and Development
A k-cube graph construction for mappings from binary vectors to permutations
ISIT'09 Proceedings of the 2009 IEEE international conference on Symposium on Information Theory - Volume 1
Distance-preserving mappings from binary vectors to permutations
IEEE Transactions on Information Theory
New distance-preserving maps of odd length
IEEE Transactions on Information Theory
Distance-increasing mappings from binary vectors to permutations
IEEE Transactions on Information Theory
A Generalized Upper Bound and a Multilevel Construction for Distance-Preserving Mappings
IEEE Transactions on Information Theory
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Coded PAM signals with spectral nulls at rational submultiples of the symbol frequency are presented. Spectral shaping using permutation symbols and distance-preserving mappings (DPMs) are two techniques presented in this paper to design codes with better error correction capability, which make them achieve a significant decoding gain compared to other published codes. The use of Viterbi decoding algorithm, gives these new codes an advantage with their property of no error propagation. The well shaped power spectral densities of these new codes may overcome some communications problem like zero frequency components.