Results 21 to 30 of about 19,233 (197)

Grid-free compressive beamforming [PDF]

open access: yes, 2015
The direction-of-arrival (DOA) estimation problem involves the localization of a few sources from a limited number of observations on an array of sensors, thus it can be formulated as a sparse signal reconstruction problem and solved efficiently with ...
Gerstoft, Peter, Xenaki, Angeliki
core   +2 more sources

An APG-MUSIC Algorithm Based-on Optimized Sampling Array

open access: yesMATEC Web of Conferences, 2018
This paper proposes a novel two-dimensional direction of arrival (2D-DOA) estimation with optimized sparse sampling array, which is combined with Accelerated Proximal Gradient singular value thresholding(APG) and Multiple Signal Classification(MUSIC ...
Li Mengxia   +3 more
doaj   +1 more source

Recurrent NEAT Assisted 2D-DOA Estimation With Reduced Complexity for Satellite Communication Systems

open access: yesIEEE Access, 2022
Direction-of-arrival (DOA) estimation plays a vital role in the field of array signal processing. However, the need for heavy computing tasks in most traditional DOA algorithms, e.g., multiple signal classification (MUSIC), makes their engineering ...
Yunfeng Li   +3 more
doaj   +1 more source

Array signal processing for maximum likelihood direction-of-arrival estimation [PDF]

open access: yes, 2013
Emitter Direction-of-Arrival (DOA) estimation is a fundamental problem in a variety of applications including radar, sonar, and wireless communications.
He, B., Li, M., Lu, Y.
core   +1 more source

Matched steering vector searching based direction-of-arrival estimation using acoustic vector sensor array

open access: yesEURASIP Journal on Wireless Communications and Networking, 2019
The acoustic vector sensor (AVS) array is a powerful tool for underwater target’s direction-of-arrival (DOA) estimation without any bearing ambiguities.
Yu Ao, Ling Wang, Jianwei Wan, Ke Xu
doaj   +1 more source

Polynomial Manifold Interpolation for Direction Finding in the Presence of Mutual Coupling

open access: yesIEEE Access, 2019
Direction-of-arrival (DOA) estimation in the presence of mutual coupling among the antennas is an important problem in direction finding systems. To address the mutual coupling issue, a polynomial manifold interpolation approach is proposed in this paper.
Hongtao Duan   +4 more
doaj   +1 more source

Underwater Ambiguity Elimination Method Based on Co-Prime Sensor Array

open access: yesSensors, 2020
Recently, the direction of arrival estimation with co-prime arrays has gradually been applied in underwater scenarios because of its significant advantages over traditional uniform linear arrays.
Tian Lan, Yilin Wang, Longhao Qiu
doaj   +1 more source

Cramer-Rao Bounds for Joint RSS/DoA-Based Primary-User Localization in Cognitive Radio Networks [PDF]

open access: yes, 2012
Knowledge about the location of licensed primary-users (PU) could enable several key features in cognitive radio (CR) networks including improved spatio-temporal sensing, intelligent location-aware routing, as well as aiding spectrum policy enforcement ...
Cabric, Danijela   +2 more
core   +1 more source

2D DOA estimation based on matrix method and joint diagonalization technique

open access: yesTongxin xuebao, 2013
When space phase factors are the same in one direction or two orthogonal directions,the convensional direction-of-arrival methods cannot estimate DOA effectly,resulting in performance degradation.Therefore,joint diagonalization technique was utilized to ...
Hai-qiang ZHANG   +3 more
doaj   +2 more sources

Development of Monitoring Methods for a GPS based Smart Antenna System

open access: yesACI Avances en Ciencias e Ingenierías, 2013
One of the key parameters in the processing system of a smart antenna system is the direction of arrival of the signal of interest (DOA). DOA’s estimation traditionally performed spectral analysis on the signal received by the antenna array ...
Francisco Cuesta, René P. Játiva E.
doaj   +1 more source

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