Steady-state performance analysis of HOS-based blind adaptive multiuser detection |
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Authors: | Lin Zheng HongBing Qiu Wei Ge JiMing Lin |
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Affiliation: | (1) Guilin University of Electronic Technology, Guilin, 541004, China |
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Abstract: | The blind adaptive multiuser detections based on higher-order statistics (HOS) can obtain higher steady-state decorrelating
performance than the conventional linear algorithm under the high SNR condition. However, the closed-form analysis for this
steady-state performance is scarce due to the complication of analyzing the nonlinear updates of the adaptive algorithm. An
analysis approach based on ordinary differential equation (ODE) method is proposed to get the closed-form excess mean-square
error (EMSE) expression of the HOS-based multiuser detections. The simulation and the comparison verify the results of the
analysis.
Supported by the National Natural Science Foundation of China (Grant No. 60432040), and the Guangxi Natural Science Foundation
(Grant Nos. 0731026, 0731025) |
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Keywords: | ordinary differential equation blind multiuser detection higher-order statistics multi-access interference CDMA |
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