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A Combinatorial Method for Antenna Array Design in Minimum Redundancy MIMO Radars
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DOI：10.1109/LAWP.2009.2034762.png)
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摘要
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In this letter, the antenna array design problem in minimum redundancy (MR) multiple-input -multiple-output (MIMO) radars is addressed, which seeks to maximize the virtual array aperture for a given number of transmitting and receiving (Tx/Rx) elements. Based on difference bases and cyclic difference sets (CDSs), a combinatorial method is proposed for the optimal design of Tx/Rx antenna arrays. The theoretical limits of the redundancy of MIMO virtual arrays constructed by the method for both one-dimensional and two-dimensional cases are derived. Numerical results are also presented, showing notable improvement in the spatial resolution of MIMO radar system over those reported in the literature.
Keyword:
Cyclic difference set (CDS)
difference basis
minimum redundancy (MR)
multiple-input-multiple-output (MIMO)
sparse antenna arrays
virtual array
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4.8
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1.0W
被引数:
2.8W
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