2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/134184We continue to discuss why MMSE estimation arises in coding schemes that approach the capacity of linear Gaussian channels. Here we consider schemes that involve successive decoding, such as decision-feedback equalization or successive cancellation.9 pages, 5 figures. To appear in Proc. 2004 Allerton Conf. (Monticello, IL), Sept. 2004; final versionInformation TheoryE.4text