Investigation of efficiency of DoA algorithm on the base of experimental data and numerical simulations in automotive distributed system of incoherent radars

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Abstract

Investigation of efficiency of proposed DoA estimation algorithm for system of distributed incoherent automotive radars is performed on the base of experimental data and numerical simulation. It is shown that the proposed algorithm correctly recognizes the position of targets in considered experimental scenarios. Comparative numerical simulations show the efficiency of the proposed algorithm compared to the characteristics of single radar.

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About the authors

I. V. Artyukhin

Nizhny Novgorod State University n. a. N.I. Lobachevsky

Author for correspondence.
Email: artjukhin@rf.unn.ru
Russian Federation, Gagarina ave., 23, Nizhny Novgorod, 603950

A. G. Flaksman

Nizhny Novgorod State University n. a. N.I. Lobachevsky

Email: artjukhin@rf.unn.ru
Russian Federation, Gagarina ave., 23, Nizhny Novgorod, 603950

A. E. Rubtsov

Nizhny Novgorod State University n. a. N.I. Lobachevsky

Email: artjukhin@rf.unn.ru
Russian Federation, Gagarina ave., 23, Nizhny Novgorod, 603950

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Supplementary files

Supplementary Files
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2. Fig. 1. Coordinate system, location of radars and targets.

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3. Fig. 2. Signal processing scheme for estimating arrival angles.

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4. Fig. 3. Diagram of a two-channel compensator.

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5. Fig. 4. The conditional scheme of the experiment.

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6. 5. An example of experimental data processing: red/blue dots represent solutions obtained using the scanning procedure for single radars SRR1 and SRR2, respectively, green dots represent estimates of the objectives of the proposed algorithm for a distributed system.

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7. 6. The probability of correctly detecting the number of targets depending on the SNR: curve 1 is the proposed algorithm for a distributed system, LC ACM; curves 2 and 3 are the scanning method for single radar SRR1 and SRR2; curves 4 and 5 are the classical Capon method for single radar SRR1 and SRR2.

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8. Fig. 7. Dependence of ISCED (a) and CO (b) on SNR: curve 1 is the proposed algorithm for a distributed system, LC ACM; curves 2 and 3 are the scanning method for single radar SRR1 and SRR2; curves 4 and 5 are the classical Capon method for single radar SRR1 and SRR2.

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