Silva, PauloDinis, Rui2015-11-302015-11-302006978-1-4244-0062-11090-3038AUT: PSI00617;http://hdl.handle.net/10400.1/7209In this paper we consider the uplink transmission within a DS-CDMA system employing CP-assisted (Cylic Prefix) block transmission techniques combined with spatial multiplexing techniques that require multiple antennas at both the transmitter and the receiver. We present an efficient frequency-domain receiver structure with iterative MUD (MultiUser Detection). The performance of the proposed receiver can be close to the single user matched filter bound, even for fully loaded systems and/or severely time-dispersive channels.engconference objecthttps://dx.doi.org/10.1109/VTCF.2006.193