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This paper presents a novel array configuration based on the combination of the sum and difference co-arrays. There have been many studies on the array antenna configurations which enhances the array degree of freedom (DOF), however the maximum DOF of the configurations based on the difference co-array is often limited. We try to further enhance the DOF by combining the concepts of the sum coarray...
This paper presents multiple snapshot spatial smoothing with improved aperture (MS-SSIA) for high-resolution direction of arrival (DOA) estimation by uniform linear array (ULA). Spatial smoothing preprocessing (SSP) is often used for DOA estimation of correlated sources, but it reduces the effective array aperture and leads to low DOA estimation accuracy. SSIA is a method that solves this SSP problem;...
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