Generic Approach for Hierarchical Modulation Performance Analysis: Application to DVB-SH

Details Generic Approach for Hierarchical Modulation Performance Analysis: Application to DVB-SH Generic Approach for Hierarchical Modulation Performance Analysis: Application to DVB-SH

2011-03-07

arxiv.org/abs/1103.1305v1

Computer Science

Information Theory

To appear in WTS 2011 proceedings

Scientific paper

Broadcasting systems have to deal with channel diversity in order to offer the best rate to the users. Hierarchical modulation is a practical solution to provide several rates in function of the channel quality. Unfortunately the performance evaluation of such modulations requires time consuming simulations. We propose in this paper a novel approach based on the channel capacity to avoid these simulations. The method allows to study the performance in terms of spectrum efficiency of hierarchical and also classical modulations combined with error correcting codes. Our method will be applied to the DVB-SH standard which considers hierarchical modulation as an optional feature.

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