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Space-time spreading has been employed to exploit the spatial diversity in multiple-input multiple-output (MIMO) code-division multiple-access (DS-CDMA) systems. In the presence of multiuser interference, resulting from the cross-correlation between users' code sequences, the full system diversity cannot be achieved when using the conventional matched receiver. In this paper we investigate the performance...
The performance of space-time spreading transmit diversity designed for fast-fading channels is examined in a multiuser direct-sequence code division multiple access (DS-CDMA) system over quasi-static fading channels. The space-time system employs two transmit antennas and single receive antennas at the user side and base-station receiver, respectively. The receiver employs a decorrelator multiuser...
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