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AGC Applebaum Array for Rejection of Eigenvalue Spread Interferences

Kyu-Man LEE, Dong-Seog HAN

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Summary :

An AGC Applebaum array, which is a modified Applebaum array employing an automatic gain controller (AGC), is proposed. When the eigenvalues of the input covariance matrix of an array system are spread by orders of magnitude, conventional adaptive arrays are unable to remove all the interference signals quickly. The proposed array increases the cross-correlation between the low-power interference signals at the array input and output through the use of an AGC block in the feedback loop. As a result, the weight vector is adapted for the removal of both low-power and high-power interference signals. Computer simulations were performed to demonstrate that the proposed array can produce high output signal to interference plus noise ratio (SINR) with a fast convergence speed.

Publication
IEICE TRANSACTIONS on Communications Vol.E84-B No.6 pp.1674-1679
Publication Date
2001/06/01
Publicized
Online ISSN
DOI
Type of Manuscript
PAPER
Category
Antenna and Propagation

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