Please use this identifier to cite or link to this item: http://hdl.handle.net/11455/46797
標題: Adaptive detectors for MIMO DS/CDMA communication systems
作者: Ueng, F.B.
翁芳標
Tsai, S.C.
Chen, J.D.
關鍵字: direct-sequence code division multiple access (DS/CDMA)
estimation of
signal parameters via rotational invariance techniques (ESPRIT)
least
mean square (LMS)
multiple-input-multiple-output (MIMO)
total least
squares (TLS)
multiple-access channels
performance analysis
multiuser detection
blind equalization
subspace method
cdma systems
efficiency
esprit
error
期刊/報告no:: Ieee Transactions on Vehicular Technology, Volume 57, Issue 5, Page(s) 3015-3027.
摘要: In multiple-input-multiple-output (MIMO) communication systems, multiple antennas are employed at the transmitter and the receiver. Compared with conventional systems, it has been recognized that MIMO is an important technology in obtaining higher data rate and increasing the system capacity. This paper proposes two new linear multiuser detectors and their adaptive implementations for the synchronous multiuser direct-sequence code division multiple-access systems in a MIMO multipath fading environment. First, we employ the total least squares (TLS) method and the estimation of signal parameters via rotational invariance techniques (ESPRIT) to construct the multiuser detector structures. Second, we use the least mean square algorithm in the TLS-based and ESPRIT-based multiuser detectors to develop four adaptive receivers. We also analyze the probability of bit error of the proposed receivers. Simulation results show the performance comparisons of the proposed receivers.
URI: http://hdl.handle.net/11455/46797
ISSN: 0018-9545
文章連結: http://dx.doi.org/10.1109/tvt.2008.917233
Appears in Collections:通訊工程研究所

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