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On the performance of BICM with trivial interleavers in nonfading channels

Alex Alvarado (Institutionen för signaler och system, Kommunikationssystem) ; Leszek Szczecinski ; Erik Agrell (Institutionen för signaler och system, Kommunikationssystem)
IEEE International Conference on Communications ICC 2011 (1550-3607). (2011)
[Konferensbidrag, refereegranskat]

Recent results have shown that the performance of bit-interleaved coded modulation (BICM) using convolutional codes in nonfading channels can be greatly improved if the bit-level interleaver takes a trivial form (BICM-T), i.e., if it does not interleave the bits at all. The reported gains reach a few decibels and are obtained using a less complex BICM system. In this paper, we give a formal explanation for these results and show that BICM-T is in fact the combination of a TCM transmitter and a BICM receiver. Analytical bounds that predict the performance of BICM-T are developed and a new type of distance spectrum for the convolutional code is introduced.



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Denna post skapades 2011-01-13. Senast ändrad 2016-04-28.
CPL Pubid: 133265

 

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