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Permutation trellis codes
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DOI：10.1109/TCOMM.2005.858683.png)
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Abstract
En 中文
We introduce the new concept of permutation trellis codes and present a generalized construction procedure, applying our technique of distance-preserving mappings. Minimum-distance decoding follows naturally, using the Viterbi algorithm. We furthermore investigate the performance of these codes when combined with multitone frequency-shift keying modulation and noncoherent detection in a diversity scheme, to make transmissions robust against narrowband, broadband, and background noise disturbances, such as those encountered in power-line communications.
Keywords:
channel coding
convolutional codes
frequency-shift keying (FSK)
interference suppression
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