Training sequence assisted channel estimation for MIMO OFDM. - Sumei Sun; Ingo Wiemer; Chin Keong Ho; Tjeng Thiang Tjhung (WCNC, 2003)

Linear decoding algorithm obtained from nonlinear analysis of sigma-delta modulators. - Ingo Wiemer; Wolfgang Schwarz (ISCAS (3), 2004)

Direct projection decoding algorithm for sigma-delta modulated signals. - Ingo Wiemer; Wolfgang Schwarz (IEEE Trans. Signal Process., 2005)