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Study of variability effect on decoding

Jian Gu, Yang Dacheng

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Abstract

Trellis codes (including convolutional codes and turbo codes) have been widely used in DS-CDMA systems for their good performance. In this paper we study the performance of convolutional codes and turbo codes in an environment where E/sub b//N/sub 0/ changes sinusoidally. We study four cases of both scenarios. For each case we obtain some conclusions and give their analysis. In this paper a very important characteristic, named additivity, is acquired.

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What this paper is about

Trellis codes (including convolutional codes and turbo codes) have been widely used in DS-CDMA systems for their good performance. In this paper we study the performance of convolutional codes and turbo codes in an environment where E/sub b//N/sub 0/ changes sinusoidally. We study four cases of both scenarios. For each case we obtain some conclusions and give their analysis. In this paper a very important characteristic, named additivity, is acquired.

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OpenAlex reports 2 citations for this work. Citation counts describe recorded attention and do not establish research quality.

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Available abstract

Trellis codes (including convolutional codes and turbo codes) have been widely used in DS-CDMA systems for their good performance. In this paper we study the performance of convolutional codes and turbo codes in an environment where E/sub b//N/sub 0/ changes sinusoidally. We study four cases of both scenarios. For each case we obtain some conclusions and give their analysis. In this paper a very important characteristic, named additivity, is acquired.

Key concepts: Convolutional code, Turbo code, Serial concatenated convolutional codes, BCJR algorithm, Computer science, Decoding methods, Concatenated error correction code, Sequential decoding

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