Códigos Convolucionais Puncionados Refinados

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Bartolomeu F. Uchôa-Filho
Richard Demo Souza
Cecilio Pimentel
Andrei P. Legg
Marcel Jar


In this paper, a new class of punctured convolutional codes (PCCs) is presented, in which a PCC is obtained by punctUling a rate 1/2 periodically time-varying convolutional code (the "mother" code), where different phases within a petiod may have different memory sizes. In the new class, which encompasses all previous PCCs of rate greater than 1/2 ever published, the trellis complexity can be gradually increased resulting in a better distance spectrum at each new complexity increment, offering more flexibility on the choice of the complexity x petformance relationship.


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F. Uchôa-Filho, B., Demo Souza, R., Pimentel, C., P. Legg, A., & Jar, M. (2015). Códigos Convolucionais Puncionados Refinados. Journal of Communication and Information Systems, 20(2). https://doi.org/10.14209/jcis.2005.14
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