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Performance Analysis of Blind-Adaptive-Subspace Multiuser Detectors Over Multipath Fading Channels

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3 Author(s)
Xin Liu ; Sch. of Electr. & Electron. Eng., Nanyang Technol. Univ., Singapore ; Teh, K.C. ; Gunawan, E.

Perturbation analyses for various kinds of blind-adaptive-subspace multiuser detectors are presented in this paper. Closed-form expressions are derived for the minimum-mean-square-error detector, zero-forcing detector, and group-blind detector in terms of output signal-to-interference-plus-noise ratio and bit-error rate over a multipath fading channel. Numerical results show that the analytical results match well with the simulation results for both static and dynamic environments. Furthermore, the proposed analytical results can be treated as performance bounds for other blind-adaptive singular-value-decomposition-based subspace multiuser detectors

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Vehicular Technology, IEEE Transactions on  (Volume:56 ,  Issue: 2 )