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標題: Adaptive detectors for MIMO DS/CDMA communication systems
作者: Ueng, F.B.;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
日期: 2008
Issue Date: 2012-12-14 10:06:41 (UTC+8)
關連: 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.
Relation: Ieee Transactions on Vehicular Technology
Appears in Collections:[依教師分類] 翁芳標
[依資料類型分類] 期刊論文
[依教師分類] 翁芳標

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