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Design of ring-TCM schemes of rate m/n over N-dimensional constellations

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<mark>Journal publication date</mark>10/1999
<mark>Journal</mark>IEE Proceedings - Communications
Issue number5
Volume146
Number of pages8
Pages (from-to)283-290
Publication StatusPublished
<mark>Original language</mark>English

Abstract

The authors analyse a new topology for designing ring-TCM schemes over N-dimensional constellations. The squared free distance of these codes is optimised, thus optimisation is performed for AWGN channels. The generalised topology is studied for M-PSK and N-dimensional constellations. An improvement is obtained by using an N-dimensional constellation, in comparison with its M-PSK constellation counterpart. This improvement is more evident for higher level constellations.