Linear Coprime Sensor Location Arrays: Mutual Coupling Effect and Angle Estimation

HE Jin; TANG Mang; SHU Ting; YU Wenxian

doi:10.11999/JEIT210489

Volume 44 Issue 8

Aug. 2022

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HE Jin, TANG Mang, SHU Ting, YU Wenxian. Linear Coprime Sensor Location Arrays: Mutual Coupling Effect and Angle Estimation[J]. Journal of Electronics & Information Technology, 2022, 44(8): 2852-2858. doi: 10.11999/JEIT210489

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HE Jin, TANG Mang, SHU Ting, YU Wenxian. Linear Coprime Sensor Location Arrays: Mutual Coupling Effect and Angle Estimation[J]. Journal of Electronics & Information Technology, 2022, 44(8): 2852-2858. doi: 10.11999/JEIT210489

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Linear Coprime Sensor Location Arrays: Mutual Coupling Effect and Angle Estimation

doi: 10.11999/JEIT210489

School of Electronic Information and Electrical Engineering, Shanghai Jiao Tong University, Shanghai 200240, China

Funds: The National Natural Science Foundation of China (61771302)

Received Date: 2021-06-01
Rev Recd Date: 2022-03-21

Available Online: 2022-04-11

Publish Date: 2022-08-17

Abstract

Abstract

This paper investigates the problems of mutual coupling analysis and angle estimation for linear Coprime sensor Linear Arrays (CLA). Firstly, the CLA is defined. It is proved that the steering vector CLA is unambiguous. Afterwards, based on high-order cumulants, a third-order tensor model of the array output is established. Array steering vectors are subsequently estimated via tensor decomposition. Finally, unambiguous direction estimates are derived from the estimated steering vectors. The sensor spacings of the CLA can be designed as much greater than a half-wavelength, thereby significantly reducing array mutual coupling effect. Using impedance matching mutual coupling model, the mutual coupling effect and angle estimation performance are compared with the existing well-known array configurations to show the effectiveness of the CLA.
- Non-uniform linear arrays,
- Coprime,
- Angle estimation,
- Arrays mutual coupling

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References(23)

References

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