A design-algorithm for MIMO radar antenna setups with minimum redundancy

Coherent multiple-input multiple-output (MIMO) radar systems with co-located antennas, form monostatic virtual arrays by discrete convolution of a bistatic setup of transmitters and receivers. Thereby, a trade-off between maximum array dimension, element spacing and hardware efforts exists. In terms...

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Published in2013 IEEE International Conference on Microwaves, Communications, Antennas and Electronic Systems (COMCAS) pp. 1 - 5
Main Authors Kirschner, Andreas, Siart, Uwe, Guetlein, Johanna, Detlefsen, Juergen
Format Conference Proceeding
LanguageEnglish
Published IEEE 01.10.2013
Subjects
Array signal processing
Covariance matrices
MIMO
Noise
Radar
Radar antennas
Redundancy
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DOI10.1109/COMCAS.2013.6685236

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Abstract Coherent multiple-input multiple-output (MIMO) radar systems with co-located antennas, form monostatic virtual arrays by discrete convolution of a bistatic setup of transmitters and receivers. Thereby, a trade-off between maximum array dimension, element spacing and hardware efforts exists. In terms of estimating the direction of arrival, the covariance matrix of the array element signals plays an important role. Here, minimum redundancy arrays aim at a hardware reduction with signal reconstruction by exploiting the Toeplitz characteristics of the covariance matrix. However, the discrete spatial convolution complicates the finding of an optimal antenna setup with minimum redundancy. Combinatorial effort is the consequence. This paper presents a possible simplified algorithm in order to find MIMO array setups of maximum dimension with minimum redundancy.
AbstractList Coherent multiple-input multiple-output (MIMO) radar systems with co-located antennas, form monostatic virtual arrays by discrete convolution of a bistatic setup of transmitters and receivers. Thereby, a trade-off between maximum array dimension, element spacing and hardware efforts exists. In terms of estimating the direction of arrival, the covariance matrix of the array element signals plays an important role. Here, minimum redundancy arrays aim at a hardware reduction with signal reconstruction by exploiting the Toeplitz characteristics of the covariance matrix. However, the discrete spatial convolution complicates the finding of an optimal antenna setup with minimum redundancy. Combinatorial effort is the consequence. This paper presents a possible simplified algorithm in order to find MIMO array setups of maximum dimension with minimum redundancy.
Author Detlefsen, Juergen
Kirschner, Andreas
Guetlein, Johanna
Siart, Uwe
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  surname: Detlefsen
  fullname: Detlefsen, Juergen
  email: detlefsen@tum.de
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Snippet Coherent multiple-input multiple-output (MIMO) radar systems with co-located antennas, form monostatic virtual arrays by discrete convolution of a bistatic...
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SubjectTerms Array signal processing
Covariance matrices
MIMO
Noise
Radar
Radar antennas
Redundancy
Title A design-algorithm for MIMO radar antenna setups with minimum redundancy
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