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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | KyungSeon Cho Madsen, A.H. WonJin Park |
| Copyright Year | 2000 |
| Description | Author affiliation: Access Network Lab., Calgary Univ., Alta., Canada (KyungSeon Cho) |
| Abstract | Two kinds of the adaptive multi-stage multiuser detectors are implemented for DS-CDMA. One is the adaptive MMSE/PIC multiuser detector and the other is the adaptive decorrelating/PIC multiuser detector. These detectors can be implemented by combining the adaptive multiuser detection schemes with the parallel interference canceller (PIC). From the simulation results and numerical calculation results, it is apparent the performance of the adaptive MMSE/PIC and the adaptive decorrelating/PIC detectors are very closed to that of the non-adaptive MMSE/PIC and nonadaptive decorrelating/PIC detectors. Also it was shown that the performance of these detectors is much better than that of the conventional detector and decorrelating multiuser detector and that they are near-far resistant. As the power of the interference increases the performance of MMSE/PIC and decorrelating/PIC approaches a single user bound. In addition, the adaptive algorithm does not require calculation of the cross-correlation and the inversion of the cross-correlation. Therefore, it is efficient to use the adaptive multiuser detectors instead of non-adaptive multiuser detectors it view of the system complexity. |
| Starting Page | 408 |
| Ending Page | 413 |
| File Size | 443157 |
| Page Count | 6 |
| File Format | |
| ISBN | 0780358007 |
| DOI | 10.1109/ASSPCC.2000.882509 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2000-10-04 |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Multiuser detection Matched filters Interference cancellation Detectors Spread spectrum communication Adaptive signal detection Decorrelation Multiaccess communication Power system modeling Equations |
| Content Type | Text |
| Resource Type | Article |
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