Silicon Implementation ofanMMSE-BasedSoft Demapper forMIMO-BICM

The performance of systems employing bit- o interleaved codedmodulation (BICM)critically dependson >conv,encoder F mp OD m theavailability ofsoftinformation. Inthemulti-antenna case, theextraction ofoptimumbit-metrics becomesprohibitively E c encoder m F mdlt complex, sothatsuboptimal solutions needtobeadopted for conv.encoder