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Polynomial-based noise variance estimation for MIMO-SCBT systems

Jiang, B., Wang, W. and Gao, X. (2009) Polynomial-based noise variance estimation for MIMO-SCBT systems. IEEE Signal Processing Letters, 16 (6). pp. 497-500. ISSN 1070-9908

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To link to this item DOI: 10.1109/LSP.2009.2017575


In this paper, we present a polynomial-based noise variance estimator for multiple-input multiple-output single-carrier block transmission (MIMO-SCBT) systems. It is shown that the optimal pilots for noise variance estimation satisfy the same condition as that for channel estimation. Theoretical analysis indicates that the proposed estimator is statistically more efficient than the conventional sum of squared residuals (SSR) based estimator. Furthermore, we obtain an efficient implementation of the estimator by exploiting its special structure. Numerical results confirm our theoretical analysis.

Item Type:Article
ID Code:33385
Uncontrolled Keywords:MIMO, noise variance estimation, single-carrier block transmission.
Publisher:IEEE Signal Processing Society

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