MMSE-based MDL method for accurate source number estimation

Lei Huang; Teng Long; Erke Mao; H. C. So

doi:10.1109/LSP.2009.2024785

MMSE-based MDL method for accurate source number estimation

Lei Huang^*, Teng Long, Erke Mao, H. C. So

^*Corresponding author for this work

School of Information and Electronics

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

32 Citations (Scopus)

Abstract

In civilian communication systems, the signature sequence of the desired signal in training phase is known to the receiver. In this letter, using the mutual information, we bridge the probability density function and minimum mean-square error (MMSE) between the observed data and training sequence of the desired signal, and then employ the MMSE to construct a minimum description length (MDL) criterion for accurate source enumeration. Numerical results demonstrate that the proposed method is superior to existing MDL methods in terms of detection performance particularly for small number of snapshots and/or source angular separation.

Original language	English
Article number	2024785
Pages (from-to)	798-801
Number of pages	4
Journal	IEEE Signal Processing Letters
Volume	16
Issue number	9
DOIs	https://doi.org/10.1109/LSP.2009.2024785
Publication status	Published - 2009

Keywords

Eigenvalue decomposition
Minimum description length
Sensor array processing
Source number estimation

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10.1109/LSP.2009.2024785

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AU - So, H. C.

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AB - In civilian communication systems, the signature sequence of the desired signal in training phase is known to the receiver. In this letter, using the mutual information, we bridge the probability density function and minimum mean-square error (MMSE) between the observed data and training sequence of the desired signal, and then employ the MMSE to construct a minimum description length (MDL) criterion for accurate source enumeration. Numerical results demonstrate that the proposed method is superior to existing MDL methods in terms of detection performance particularly for small number of snapshots and/or source angular separation.

KW - Eigenvalue decomposition

KW - Minimum description length

KW - Sensor array processing

KW - Source number estimation

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MMSE-based MDL method for accurate source number estimation

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