Semi-Coprime Array with Staggered Beam-Steering of Sub-Arrays [PDF]
Sensors, 2023 A split-aperture array (SAA) is an array of sensors or antenna elements in which the array is split into two or more sub-arrays (SAs). Recently proposed SAAs, namely coprime and semi-coprime arrays, offer to attain a small half-power beamwidth (HPBW ...
Waseem Khan +6 more
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Direction-of-Arrival Estimation With Coarray ESPRIT for Coprime Array [PDF]
Sensors, 2017 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.
Chengwei Zhou
exaly +5 more sources
DOA Estimation Based on the Optimized Coprime Array Configuration
IEEE Access, 2019 In this paper, a direction-of-arrival (DOA) estimation based on the optimized coprime array (OpCA) configuration is proposed. The proposed array, utilizing the two constituting subarrays N-array and M-array of the coprime array, where their sensors are N
Xiangyu Yu, Ahmed M A Shaalan
exaly +6 more sources
Enhanced Coprime Array Structure and DOA Estimation Algorithm for Coherent Sources [PDF]
SensorsThis paper presents a new enhanced coprime array for direction of arrival (DOA) estimation. Coprime arrays are capable of estimating the DOA using coprime properties and outperforming uniform linear arrays.
Xiaolei Han, Xiaofei Zhang
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Direction-of-Arrival Estimation in Coprime Array Using the ESPRIT-Based Method [PDF]
Sensors, 2019 Coprime arrays have shown potential advantages for direction-of-arrival (DOA) estimation by increasing the number of degrees-of-freedom in the difference coarray domain with fewer physical sensors.
Zhen Meng, Weidong Zhou
doaj +3 more sources
Direct Position Determination of Multiple Non-Circular Sources with a Moving Coprime Array [PDF]
Sensors, 2018 Direct position determination (DPD) is currently a hot topic in wireless localization research as it is more accurate than traditional two-step positioning.
Yankui Zhang +4 more
doaj +3 more sources
IEEE Access, 2019 As is well known, the prototype coprime arrays consist of two collinear subarrays, whose physical sensor number is coprime to each other. Moreover, their larger inter-element separations and physical array apertures make them have less mutual coupling ...
Weijian Si, Chunjie Zhang, Fuhong Zeng
exaly +3 more sources
Direction of Arrival Estimation of Quasi-Stationary Signals Using Unfolded Coprime Array
IEEE Access, 2017 Direction of arrival (DOA) estimation of quasi-stationary signals (QSS) is discussed in this paper, and an algorithm using unfolded coprime array is proposed.
Xiaofei Zhang, Jianfeng Li
exaly +3 more sources
An Improved Unfolded Coprime Linear Array Design for DOA Estimation with No Phase Ambiguity [PDF]
SensorsIn this paper, the direction of arrival (DOA) estimation problem for the unfolded coprime linear array (UCLA) is researched. Existing common stacking subarray-based methods for the coprime array are invalid in the case of its subarrays, which have the ...
Pan Gong, Xiaofei Zhang
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Underdetermined Wideband DOA Estimation for Off-Grid Sources with Coprime Array Using Sparse Bayesian Learning [PDF]
Sensors, 2018 Sparse Bayesian learning (SBL) is applied to the coprime array for underdetermined wideband direction of arrival (DOA) estimation. Using the augmented covariance matrix, the coprime array can achieve a higher number of degrees of freedom (DOFs) to ...
Yanhua Qin +3 more
doaj +2 more sources