MISC array: A new sparse array design achieving increased degrees of freedom and reduced mutual coupling effect

Z Zheng, WQ Wang, Y Kong… - IEEE Transactions on …, 2019 - ieeexplore.ieee.org
Recently, nested and coprime arrays have attracted considerable interest due to their
capability of providing increased array aperture, enhanced degrees of freedom (DOFs), and …

ULA fitting for sparse array design

W Shi, SA Vorobyov, Y Li - IEEE Transactions on Signal …, 2021 - ieeexplore.ieee.org
Existing sparse array (SA) geometries, such as coprime and nested arrays, can be regarded
as a concatenation of two uniform linear arrays (ULAs). Such arrays lead to a significant …

Enhanced and generalized coprime array for direction of arrival estimation

J Shi, F Wen, Y Liu, Z Liu, P Hu - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
Owing to the large degrees of freedom and reduced mutual coupling by generating
difference coarrays, nonuniform linear arrays have aroused great interest in direction of …

Novel sparse array design based on the maximum inter-element spacing criterion

W Shi, Y Li, RC De Lamare - IEEE Signal Processing Letters, 2022 - ieeexplore.ieee.org
A novel sparse array (SA) structure is proposed based on the maximum inter-element
spacing (IES) constraint (MISC) criterion. Compared with the traditional MISC array, the …

Sparse linear antenna arrays: a review

A Patwari - Antenna Systems, 2021 - books.google.com
Linear sparse antenna arrays have been widely studied in array processing literature. They
belong to the general class of non-uniform linear arrays (NULAs). Sparse arrays need fewer …

Improved uniform linear array fitting scheme with increased lower bound on uniform degrees of freedom for DOA estimation

W Shi, Y Li - IEEE Transactions on Instrumentation and …, 2022 - ieeexplore.ieee.org
Recently, a uniform linear array (ULA) fitting (UF) principle is proposed for sparse array (SA)
design using pseudo-polynomial equations. Typically, it is verified that the designed SAs via …

Extended nested arrays for consecutive virtual aperture enhancement

S Ren, W Dong, X Li, W Wang… - IEEE Signal Processing …, 2020 - ieeexplore.ieee.org
In this letter, we propose an extended nested array (ENA) strategy, which relaxes the
constraints on the two-side subarrays of the augmented nested array and allows the sensors …

Dilated arrays: A family of sparse arrays with increased uniform degrees of freedom and reduced mutual coupling on a moving platform

S Li, XP Zhang - IEEE Transactions on Signal Processing, 2021 - ieeexplore.ieee.org
Recently, dilated nested arrays have been proposed on a moving platform to increase the
uniform degrees of freedom (uDOF) by a factor of three by exploiting array motion. However …

Dilated nested arrays with more degrees of freedom (DOFs) and less mutual coupling—part I: The fundamental geometry

AMA Shaalan, J Du, YH Tu - IEEE Transactions on Signal …, 2022 - ieeexplore.ieee.org
The recent criteria of a preferable linear sparse array for a robust direction of arrival (DOA)
estimation are: the closed-form expression for its sensor locations; the large central uniform …

A new nested MIMO array with increased degrees of freedom and hole-free difference coarray

M Yang, L Sun, X Yuan, B Chen - IEEE Signal Processing …, 2017 - ieeexplore.ieee.org
We propose anew antenna array design approach for a multiple-input and multiple-output
(MIMO) radar, which has closed-form expressions for the sensor locations and the number of …