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Bit-interleaved coded modulation with iterative decoding using soft feedback

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2 Author(s)
Xiaogdong Li ; Dept. of Electr. Eng., Washington Univ., Seattle, WA ; Ritcey, J.A.

A new iterative decoding (ID) scheme is suggested for bit-interleaved coded modulation (BICM). The bit-metric generation at the demodulator is optimised with the soft-output feedback from the convolutional decoder. Computer simulation results indicate that BICM-ID, with a few iterations, significantly outperforms conventional trellis coded modulation and is therefore another promising technique to achieve large coding gain without bandwidth expansion

Published in:

Electronics Letters  (Volume:34 ,  Issue: 10 )

Date of Publication:

14 May 1998

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