Enhanced‐Resolution Learning‐Based Direction of Arrival Estimation by Programmable Metasurface
Sign Up to like & getrecommendations! Published in 2024 at "Advanced Electronic Materials"
DOI: 10.1002/aelm.202400476
Abstract: Due to its growing importance and wide range of applications, direction‐of‐arrival (DOA) estimation has become a major research topic, particularly in the field of communication systems. While traditional DOA estimation methods rely on antenna arrays… read more here.
Keywords: estimation; doa estimation; direction arrival; programmable metasurface ... See more keywords
Direction‐of‐arrival estimation using estimator banks in low‐angle tracking for S‐band radar
Sign Up to like & getrecommendations! Published in 2021 at "Microwave and Optical Technology Letters"
DOI: 10.1002/mop.33020
Abstract: Tracking low‐angle targets over an uneven surface are challenging because of the highly correlated, complicated, and volatile multipath signals encountered in radar. Especially, in the context of irregular reflector modulated by rough sea, which results… read more here.
Keywords: estimator banks; band radar; estimation; direction arrival ... See more keywords
On Gridless Sparse Methods for Multi-snapshot Direction of Arrival Estimation
Sign Up to like & getrecommendations! Published in 2017 at "Circuits, Systems, and Signal Processing"
DOI: 10.1007/s00034-016-0462-9
Abstract: The authors have recently proposed two kinds of gridless sparse methods for direction of arrival estimation in the presence of multiple snapshots that exploit joint sparsity among the snapshots and completely resolve grid mismatches of… read more here.
Keywords: gridless; arrival estimation; multi snapshot; sparse methods ... See more keywords
Off-Grid Direction-of-Arrival Estimation Based on Steering Vector Approximation
Sign Up to like & getrecommendations! Published in 2019 at "Circuits, Systems, and Signal Processing"
DOI: 10.1007/s00034-018-0914-5
Abstract: In this paper, a novel off-grid direction-of-arrival (DOA) estimation algorithm is proposed based on steering vector approximation. The conventional multiple signal classification (MUSIC) technique estimates the DOA with a uniformly discretized grid by assuming that… read more here.
Keywords: estimation; direction arrival; vector approximation; grid direction ... See more keywords
Speaker Direction-of-Arrival Estimation Based on Orthogonal Dipoles
Sign Up to like & getrecommendations! Published in 2019 at "Circuits, Systems, and Signal Processing"
DOI: 10.1007/s00034-018-0976-4
Abstract: The small aperture microphone array becomes more and more popular in the consumer electronics. However, the small aperture usually limits the performance of the traditional DoA estimation methods. The differential microphone array (DMA) has attracted… read more here.
Keywords: estimation; direction arrival; doa; orthogonal dipoles ... See more keywords
Two-dimensional noisy autoregressive estimation with application to joint frequency and direction of arrival estimation
Sign Up to like & getrecommendations! Published in 2018 at "Multidimensional Systems and Signal Processing"
DOI: 10.1007/s11045-017-0539-z
Abstract: The present study addresses the problem of two-dimensional autoregressive estimation in the presence of additive white noise. The estimation method is based on combining the low-order and high-order Yule-Walker equations. The noise-compensated YW equations are… read more here.
Keywords: estimation; two dimensional; direction arrival; frequency direction ... See more keywords
Direction-of-Arrival Estimation Methods: A Performance-Complexity Tradeoff Perspective
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Signal Processing Systems"
DOI: 10.1007/s11265-019-01467-4
Abstract: This work analyses the performance-complexity tradeoff for different direction of arrival (DoA) estimation techniques. Such tradeoff is investigated taking into account uniform linear array structures. Several DoA estimation techniques have been compared, namely the conventional… read more here.
Keywords: direction arrival; estimation; performance complexity; complexity tradeoff ... See more keywords
Naked eye direction of arrival estimation with a Fresnel lens
Sign Up to like & getrecommendations! Published in 2022 at "Scientific Reports"
DOI: 10.1038/s41598-022-06480-5
Abstract: Direction of arrival (DoA) estimation is of primary importance in a broad range of wireless applications, where electromagnetic waves play a role. While a vast majority of existing techniques is based on phase lag comparison… read more here.
Keywords: estimation; direction arrival; eye direction; naked eye ... See more keywords
Fine-grained azimuthal direction of arrival estimation using received signal strengths
Sign Up to like & getrecommendations! Published in 2017 at "Electronics Letters"
DOI: 10.1049/el.2017.0456
Abstract: We propose a direction of arrival (DoA) estimation technique, which is enabled by a single printed patch antenna capable of four reconfigurable beams at the operative frequency of 2.45 GHz. The direction of the messages… read more here.
Keywords: direction; estimation; fine grained; direction arrival ... See more keywords
Research on direction of arrival estimation for mixed broadband signals
Sign Up to like & getrecommendations! Published in 2024 at "AIP Advances"
DOI: 10.1063/5.0205266
Abstract: In practical applications, the signals received by a hydrophone array include coherent and incoherent signals, while estimating the direction of arrival (DOA) of coherent or incoherent signals has been studied for simplicity with poor performance… read more here.
Keywords: method; broadband signals; mixed broadband; broadband ... See more keywords
Unambiguous subarray-based direction of arrival estimation by dual-polarized antenna
Sign Up to like & getrecommendations! Published in 2025 at "Electromagnetics"
DOI: 10.1080/02726343.2025.2456200
Abstract: ABSTRACT Subarray-based direction of arrival (DOA) estimation usually suffers from direction finding ambiguity due to the large subarray spacing. In this paper, a dual-polarized microstrip element antenna is designed to construct a subarray. The elements… read more here.
Keywords: direction; subarray; subarray based; estimation ... See more keywords