Blind multiuser detection in W-CDMA systems with large delay spread

Nicholas D. Sidiropoulos; Goran Z. Dimić

doi:10.1109/97.905948

Blind multiuser detection in W-CDMA systems with large delay spread

Nicholas D. Sidiropoulos, Goran Z. Dimić

Electrical and Computer Engineering

Research output: Contribution to journal › Article › peer-review

57 Scopus citations

Abstract

A two-stage blind multiuser antenna array detector is proposed for the uplink of a wideband CDMA system subject to large delay spread. It is shown that it is possible to identify the symbols of all users without knowledge of their codes, channels, or directions. The key idea is that low-rank decomposition of the three-dimensional (3-D) received data array can reduce the FIR multiple-input multiple-output (FIR-MIMO) CDMA problem into standard FIR single-input multiple-output (FIR-SIMO) problems.

Original language	English (US)
Pages (from-to)	87-89
Number of pages	3
Journal	IEEE Signal Processing Letters
Volume	8
Issue number	3
DOIs	https://doi.org/10.1109/97.905948
State	Published - Mar 2001

Bibliographical note

Funding Information:
Manuscript received June 16, 2000. The associate editor coordinating the review of this manuscript and approving it for publication was Prof. Y. Hua. This work was supported in part by NSF/CAREER CCR-9733540 and NSF/Wireless IT&Networks CCR-9979295.

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abstract = "A two-stage blind multiuser antenna array detector is proposed for the uplink of a wideband CDMA system subject to large delay spread. It is shown that it is possible to identify the symbols of all users without knowledge of their codes, channels, or directions. The key idea is that low-rank decomposition of the three-dimensional (3-D) received data array can reduce the FIR multiple-input multiple-output (FIR-MIMO) CDMA problem into standard FIR single-input multiple-output (FIR-SIMO) problems.",

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note = "Funding Information: Manuscript received June 16, 2000. The associate editor coordinating the review of this manuscript and approving it for publication was Prof. Y. Hua. This work was supported in part by NSF/CAREER CCR-9733540 and NSF/Wireless IT&Networks CCR-9979295.",

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AB - A two-stage blind multiuser antenna array detector is proposed for the uplink of a wideband CDMA system subject to large delay spread. It is shown that it is possible to identify the symbols of all users without knowledge of their codes, channels, or directions. The key idea is that low-rank decomposition of the three-dimensional (3-D) received data array can reduce the FIR multiple-input multiple-output (FIR-MIMO) CDMA problem into standard FIR single-input multiple-output (FIR-SIMO) problems.

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Blind multiuser detection in W-CDMA systems with large delay spread

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