The spatio-temporal array-receiver (STAR) achieves good performance in CDMA with multiple receiving antennas where the interference can be characterized as AWGN uncorrelated with the signal. To enhance its near-far resistance in correlated noise environments, we introduce optimal combining of the spatio-temporal components. Nearly as good performance can be obtained with a low complexity adaptive beamformer combination of the antenna and multipath diversity branches. Simulation results indicate that the modified STAR manifests significant gain in near-far resistance over its original version, more so with more branches. They also suggest that exploiting additional temporal correlation fingers as interference references can further improve near-far resistance in poor diversity situations.
|Title of host publication||IEEE International Conference on Communications, 1999. ICC '99.|
|Publication status||Published - 1999|
|Event||IEEE International Conference on Communications 1999 - Vancouver, Canada|
Duration: 6 Jun 1999 → 10 Jun 1999
|Conference||IEEE International Conference on Communications 1999|
|Period||06/06/1999 → 10/06/1999|
Bibliographical noteCopyright 1999 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.
Hansen, H., Affes, S., & Mermelstein, P. (1999). A beamformer for CDMA with enhanced near-far resistance. In IEEE International Conference on Communications, 1999. ICC '99. (Vol. 3). IEEE. https://doi.org/10.1109/ICC.1999.765491