… unambiguous AoA estimation schemes based on the even and odd ratios of the number of
antennas per subarray N … Typically, the hybrid array is composed of multiple analog subarrays …

… using different phase shifts across subarrays in localized hybrid arrays,” IEEE … Guo, “Robust
unambiguous estimation of angle-of-arrival in hybrid array with localized analog subarrays,” …

… -sized subarrays, the proposed method is more robust against … to scan ambiguous directions,
nor to spread out the analog … Additionally, θi denotes the angle-of-arrival of the i-th NLoS …

… a hybrid antenna array consists of multiple analog subarrays … a uniform linear hybrid
dual-polarized array with M subarrays, … estimating u in Algorithm 1, we can unambiguously …

… that each subarray consists of the same analog phase shift … We first provide a simple and
robust AoA estimator based on … between adjacent subarray outputs in a hybrid array. We define …

… to general localized hybrid arrays. Therefore, in Section 9.4.1, a robust and unambiguous …
consider a linear localized hybrid array with M analog subarrays and N antenna elements per …

… the linear hybrid array that consists of L subarrays. In each … Coviello, “Angle of arrival estimation
through a full-hardware approach … Zeng, “Unambiguous direction-of-arrival estimation for …

… -stage angle of arrival (AoA) estimation method based on the conventional ESPRIT (estimation
of … As shown in Figure 1, we consider a uniform linear array of M analog subarrays. Each …

… will not cause the ambiguous estimation in path number. Hence, … of real SNR estimation, the
relative noise is more robust for … Denote Vs as the number of antennas in subarray and Qi = […

… of a subarray-structured hybrid antenna array. For receive … The work [13] further proposes a
more general unambiguous … DoFs are reduced by analog beamforming in hybrid array. As a …