... providing an accurate estimationof the APPs and the corresponding increase in complexity and latency.As far as the initial parameter estimateb(0)is concerned,we have to point out that convergence ... Zurich,Switzerland, February 2000.[18] M. Guenach and L. Vandendorpe, “Performance analysisof joint EM/SAGE estimation and multistage detection in UTRA-WCDMA uplink,” in Proc. IEEE International Confer-ence ... University.His main research interests are in statisticalcommunication theory, carrier and sym bolsynchronization, bandwidth-efficient mod-ulation and coding, spread-spectrum, and satellite and mobilecommunications....