Direction-of-arrival (DOA) estimation is the preliminary stage of communication, localization,
and sensing. Hence, it is a canonical task for next-generation wireless communications …

Coprime arrays can achieve an increased number of degrees of freedom by deriving the
equivalent signals of a virtual array. However, most existing methods fail to utilize all …

Sparse arrays are known to achieve an increased number of degrees-of-freedom (DOFs) for
direction-of-arrival (DOA) estimation, where an augmented virtual uniform array calculated …

In this letter, we propose a coprime array interpolation approach to provide an off-grid
direction-of-arrival (DOA) estimation. Through array interpolation, a uniform linear array …

Sparse arrays, such as nested arrays and coprime arrays, can achieve a high number of
degrees of freedom (DOFs) for direction of arrival (DOA) estimation with a reduced number …

Array signal processing is an essential tool in broad radar applications. The coprime array
has recently been proposed to overcome the bottleneck caused by the Nyquist spatial …

Recently, many sparse-based methods have been proposed for direction-of-arrival (DOA)
estimation. However, these methods often suffer from the grid mismatch problem caused by …

A coprime array is capable of achieving more degrees-of-freedom for direction-of-arrival
(DOA) estimation than a uniform linear array when utilizing the same number of sensors …

Massive multiple-input multiple-output (MIMO) is one of the most promising techniques for
next generation wireless communications due to its superior capability to provide high …

Integrated sensing and communications is regarded as a key enabling technology in the
sixth generation networks, where a unified waveform, such as orthogonal frequency division …