Benaddi, Tarik and Poulliat, Charly and Boucheret, Marie-Laure and Gadat, Benjamin and Lesthievent, Guy Design of systematic GIRA Codes for CPM. (2014) In: 8th International Symposium on Turbo Codes and Iterative Information Processing - ISTC 2014, 18 August 2014 - 22 August 2014 (Bremen, Germany).
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(Document in English)
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Official URL: http://dx.doi.org/10.1109/ISTC.2014.6955075
Abstract
In this paper, we derive an asymptotic analysis for the design of serially concatenated turbo schemes that works for both systematic generalized irregular repeat accumulate (GIRA) and low density generator matrix (LDGM) codes concatenated with a continuous phase modulation (CPM). The proposed design is based on a semi-analytic EXIT chart optimization method. By considering a particular scheduling, inserting partial interleavers between GIRA accumulator and CPM and allowing degree-1 variable nodes, we show that one can achieve very good thresholds.
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