Direction of Arrival Estimation in Presence of Nonuniform Noise Using Subspace Based Methods

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Alibani S.; KARIMI M.

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Paper Information

Journal: JOURNAL OF RADAR Year:2019 | Volume:7 | Issue:1 (SERIAL No. 21) Page(s): 65-77

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Information Journal Paper

Title

Direction of Arrival Estimation in Presence of Nonuniform Noise Using Subspace Based Methods

Author(s)

Alibani S. | KARIMI M. | Issue Writer Certificate

Keywords

Direction of Arrival EstimationQ1

Subspace Based DOA EstimationQ1

Nonuniform NoiseQ1

Low Rank Matrix CompletionQ1

Abstract

In the most of DOA estimation methods, environmental noise model is considered to be uniform spatial white noise. However, in many applications this kind of modeling may not be appropriate and leads to considerable direction finding errors. Non-equal output noise power of array elements that causes Nonuniform Noise is one of these cases. The most important goal of this paper is the investigation and comparison of DOA estimation in presence of Nonuniform Noise using simulation as well as presenting a novel and effective method for DOA estimation in the mentioned situation. A novel low complexity algorithm for DOA estimation in presence of nonuniform spatial white noise is proposed. Additionally, the performance of the proposed method is simulated and compared with that of matrix completion based method and also iterative subspace estimation schemes for various parameters. The simulation results demonstrate that the proposed scheme achieves a considerable advantage over the existing schemes with remarkably lower complexity.

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APA: Copy

Alibani, S., & KARIMI, M.. (2019). Direction of Arrival Estimation in Presence of Nonuniform Noise Using Subspace Based Methods. JOURNAL OF RADAR, 7(1 (SERIAL No. 21)), 65-77. SID. https://sid.ir/paper/397899/en

Vancouver: Copy

Alibani S., KARIMI M.. Direction of Arrival Estimation in Presence of Nonuniform Noise Using Subspace Based Methods. JOURNAL OF RADAR[Internet]. 2019;7(1 (SERIAL No. 21)):65-77. Available from: https://sid.ir/paper/397899/en

IEEE: Copy

S. Alibani, and M. KARIMI, “Direction of Arrival Estimation in Presence of Nonuniform Noise Using Subspace Based Methods,” JOURNAL OF RADAR, vol. 7, no. 1 (SERIAL No. 21), pp. 65–77, 2019, [Online]. Available: https://sid.ir/paper/397899/en

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