Implementation of DOA Estimation System Based on HackRF One
In the practical direction of arrival (DOA) estimation applications, it is required that the multichannel signal acquisition equipment can synchronously collect the signals received by the array antenna. In addition, the signal phase relationships between channels are supposed to be stable. However,...
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| Main Authors: | , , , , |
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| Format: | Article |
| Language: | English |
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Wiley
2022-01-01
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| Series: | International Journal of Antennas and Propagation |
| Online Access: | http://dx.doi.org/10.1155/2022/7901714 |
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| _version_ | 1850169297166401536 |
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| author | Zihan Zhang Wenjie Zhao Yonghui Huang Junshe An Yan Zhu |
| author_facet | Zihan Zhang Wenjie Zhao Yonghui Huang Junshe An Yan Zhu |
| author_sort | Zihan Zhang |
| collection | DOAJ |
| description | In the practical direction of arrival (DOA) estimation applications, it is required that the multichannel signal acquisition equipment can synchronously collect the signals received by the array antenna. In addition, the signal phase relationships between channels are supposed to be stable. However, this kind of equipment is usually complex and expensive to manufacture. Since some SDR devices are reconfigurable and open source, this paper adopts HackRF Ones as the signal sampling devices to design the DOA estimation system. The clocks line is used to synchronize the clock frequencies between HackRF Ones. Besides, an external pulse is introduced to control the sampling devices to start sampling simultaneously. In this case, the stable phase difference between channels can be obtained. The experimental results show that the synchronization error between channels of the system is less than one sampling period. The system can be used to estimate the incident angles of single carrier signals or modulated signals. The RMS errors of the system when estimating one source and two sources are 1.94° and 2.85°, respectively. |
| format | Article |
| id | doaj-art-a80c9eefefca4e2e98b66ca226cd9849 |
| institution | OA Journals |
| issn | 1687-5877 |
| language | English |
| publishDate | 2022-01-01 |
| publisher | Wiley |
| record_format | Article |
| series | International Journal of Antennas and Propagation |
| spelling | doaj-art-a80c9eefefca4e2e98b66ca226cd98492025-08-20T02:20:45ZengWileyInternational Journal of Antennas and Propagation1687-58772022-01-01202210.1155/2022/7901714Implementation of DOA Estimation System Based on HackRF OneZihan Zhang0Wenjie Zhao1Yonghui Huang2Junshe An3Yan Zhu4National Space Science CenterNational Space Science CenterNational Space Science CenterNational Space Science CenterNational Space Science CenterIn the practical direction of arrival (DOA) estimation applications, it is required that the multichannel signal acquisition equipment can synchronously collect the signals received by the array antenna. In addition, the signal phase relationships between channels are supposed to be stable. However, this kind of equipment is usually complex and expensive to manufacture. Since some SDR devices are reconfigurable and open source, this paper adopts HackRF Ones as the signal sampling devices to design the DOA estimation system. The clocks line is used to synchronize the clock frequencies between HackRF Ones. Besides, an external pulse is introduced to control the sampling devices to start sampling simultaneously. In this case, the stable phase difference between channels can be obtained. The experimental results show that the synchronization error between channels of the system is less than one sampling period. The system can be used to estimate the incident angles of single carrier signals or modulated signals. The RMS errors of the system when estimating one source and two sources are 1.94° and 2.85°, respectively.http://dx.doi.org/10.1155/2022/7901714 |
| spellingShingle | Zihan Zhang Wenjie Zhao Yonghui Huang Junshe An Yan Zhu Implementation of DOA Estimation System Based on HackRF One International Journal of Antennas and Propagation |
| title | Implementation of DOA Estimation System Based on HackRF One |
| title_full | Implementation of DOA Estimation System Based on HackRF One |
| title_fullStr | Implementation of DOA Estimation System Based on HackRF One |
| title_full_unstemmed | Implementation of DOA Estimation System Based on HackRF One |
| title_short | Implementation of DOA Estimation System Based on HackRF One |
| title_sort | implementation of doa estimation system based on hackrf one |
| url | http://dx.doi.org/10.1155/2022/7901714 |
| work_keys_str_mv | AT zihanzhang implementationofdoaestimationsystembasedonhackrfone AT wenjiezhao implementationofdoaestimationsystembasedonhackrfone AT yonghuihuang implementationofdoaestimationsystembasedonhackrfone AT junshean implementationofdoaestimationsystembasedonhackrfone AT yanzhu implementationofdoaestimationsystembasedonhackrfone |