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Permutation codes are advantageous due to their favourable symbol diversity properties and are applied in flash memories combined with rank modulation. Codebooks traditionally consist of permutations with specific distance properties. A class of permutation codes was presented where a codeword consists of a sequence or concatenation of permutations, rather than a single permutation. These codebooks...
This work extends on previous research done by using developed experimental methods and Markov modelling to create more Markov models based on further experimental data.
This paper presents three different Markov models of a vehicle's power line as a communication medium. Two based on previous literature, and one proposed by this paper. An experimental setup to gather bit error data to create bit error distribution graphs is presented and the experimental results from the experiments are shown. The methods for creating the Markov models is then described and, using...
A new class of permutation codes is presented where, instead of considering one permutation as a codeword, codewords consist of a sequence of permutations. The advantage of using permutations, i.e. their favourable symbol diversity properties, is preserved. Additionally, using sequences of permutations as codewords, code rates close to the optimum rate can be achieved. Firstly, the complete set of...
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