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Direction of Arrival (DOA) Estimation
2019The importance of DOA estimation in radar processing for automotive applications cannot be overstated. It forms the third component of the radar cube: range, velocity, and angle. In practice, DOA estimation is often complicated by the fact that there will be multiple and unknown number of source signals impinging on the receiver array at the same time,
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Estimation of direction of arrival (DOA) using real-time Array Signal Processing
2008 International Conference on Electrical and Computer Engineering, 2008Array Signal Processing (ASP) is a relatively new technique in Digital Signal Processing (DSP) with many potential applications in communication and speech processing. Direction of arrival (DOA) can be estimated using different techniques evolved with ASP.
Md. Shahedul Amin +4 more
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Low complexity direction of arrival (DoA) estimation for 2D massive MIMO systems
2012 IEEE Globecom Workshops, 2012Mobile data traffic is expected to almost double every year from 2012 to 2016. In order to address the challenge, “massive MIMO” has been proposed as one of the enabling technologies to significantly increase the spectral-efficiency of a wireless system.
null Anding Wang +2 more
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Comparative Study of Wideband Subspace Direction of Arrival (DOA) estimation methods
The Journal of the Acoustical Society of America, 2008Signal subspace Methods like ESPRIT, MUSIC and MATRIX PENCIL, provides high resolution Direction Of Arrival (DOA) estimation in comparison to traditional Delay and Sum and Capon methods, which are limited by sensor spacing. However underwater Acoustics signals are inherently wideband in nature and most of these Subspace methods works on narrowband ...
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Precision of direction of arrival (DOA) estimation using novel three dimensional array geometries
AEU - International Journal of Electronics and Communications, 2017Abstract Numerous methods for direction of arrival (DOA) estimation, used in smart antennas have been already reported in previous studies. The precision of DOA estimation depends on the choice of the algorithm and the geometrical configuration of the antenna array. In this work, the performance of new geometrical configurations, i.e.
Sarah Poormohammad, Forouhar Farzaneh
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IEEE/ACES International Conference on Wireless Communications and Applied Computational Electromagnetics, 2005., 2005
In this paper we present how we choose the proper number of virtual array elements from the real array for direction of arrival (DOA) estimation using a conformal hemispherical real array and a single snapshot of the data. The number of virtual array is achieved by using singular value decomposition (SVD) of a real array manifold and the concept of the
null Seunghyeon Hwang, T.K. Sarkar
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In this paper we present how we choose the proper number of virtual array elements from the real array for direction of arrival (DOA) estimation using a conformal hemispherical real array and a single snapshot of the data. The number of virtual array is achieved by using singular value decomposition (SVD) of a real array manifold and the concept of the
null Seunghyeon Hwang, T.K. Sarkar
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Single Snapshot Direction of Arrival(DoA) Estimation Using Variant Min-Norm Method
2018 International Conference on Communication and Signal Processing (ICCSP), 2018High resolution algorithms for angle estimation is essential to achieve resolution of targets in radar systems. Major drawback of existing subspace based algorithms is that its performance gets degraded for reduced number of snapshots. When number of snapshot is less than number of sources, resolution offered by subspace based algorithms are very less.
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Comparison of conventional and subspace based algorithms to estimate Direction of Arrival (DOA)
2016 International Conference on Communication and Signal Processing (ICCSP), 2016The Direction of Arrival (DOA) technology and researches are evolving areas in array signal processing. Biomedicine, sonar, radar, seismology, astronomy communication and earthquake widely use this estimation. We receive an incoming wave by sensing an array or a set of arrays, this sensed wave can be processed to derive many related estimation ...
Pooja Gupta, Kumar Aditya, Amlan Datta
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Performance enhancement of aperture antennas used for estimation of Direction of Arrival (DOA)
2014 IEEE Antennas and Propagation Society International Symposium (APSURSI), 2014In this paper, we propose a method based on signal processing techniques to improve the performance of aperture antennas, such as a parabolic reflector, used to estimate the Direction of Arrival (DOA) of a signal. Three signal processing algorithms are investigated, including the correlation method, which is used to make an initial estimate of the ...
Weibo Wang, Xiang Gu, Raj Mittra
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Mutual coupling effects correction in microstrip arrays for direction-of-arrival (DOA) estimation
IEE Proceedings - Microwaves, Antennas and Propagation, 2002The presence of mutual coupling severely degrades the performance of an adaptive array. A simple method based on obtaining an N/spl times/N coupling matrix, C, to compensate for the coupling effects in direction-of-arrival (DOA) estimation algorithms is presented.
D. Segovia-Vargas +2 more
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