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- W2186682362 abstract "Key word. Iterative detection, EXIT chart, Turbo receiver Abstract. In this paper we investigate bit-interleaved coded modulation with iterative decoding (BICM-ID) for bandwidth efficient transmission. For this receiver scheme the bit error rate is reduced through iterations between a multilevel demapper and the channel decoder. The assignment strategy of the binary indices to signal points is crucial in order to achieve a significant turbo-gain. We address the problem of finding the most suitable index assign- ments to arbitrary, high order signal constellations. The method based on the binary switching algorithm is studied to find optimized symbol mapping. Cuvinte cheie. Detecţie iterativa, diagrama EXIT, receptor Turbo Rezumat. In acest articol analizam tehnica modulaţiei codate cu interţeserea biţilor si detecţie iterativa (BICM-ID) pentru transmisiuni eficiente de banda limitata. Pentru aceasta schema de recepţie, rata de eronare binara se reduce de-a lungul iteraţiilor dintre blocul de detecţie de simbol si decodorul de canal. Modul prin care biţii codaţi se aloca punctelor din constelaţia simbolurilor este foarte importanta pentru a obţine un câstig semnificativ prin prelucrare iterativa. S-a abordat problema gasirii regulii cea mai potrivita pentru alocarea indicilor simbolurilor pentru o modulaţie multinivel arbitrara." @default.
- W2186682362 created "2016-06-24" @default.
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- W2186682362 date "2008-01-01" @default.
- W2186682362 modified "2023-09-27" @default.
- W2186682362 title "On symbol mappings in bit interleaved coded modulation with iterative detection" @default.
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