Passive Radar Imaging of Moving Targets Using WiFi Signals

Zhuang Xu-sheng; Wang Ling; Gao Jin; Chi Bing-qing

doi:10.12000/JR14120

Volume 3 Issue 6

Jan. 2015

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Article Navigation > Journal of Radars > 2014 > 3(6): 694-701

Xiao Peng, Wu Youming, Yu Ze, Li Chunsheng. Azimuth Ambiguity Suppression in SAR Images Based on Compressive Sensing Recovery Algorithm[J]. Journal of Radars, 2016, 5(1): 35-41. doi: 10.12000/JR16004

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Zhuang Xu-sheng, Wang Ling, Gao Jin, Chi Bing-qing. Passive Radar Imaging of Moving Targets Using WiFi Signals[J]. Journal of Radars, 2014, 3(6): 694-701. doi: 10.12000/JR14120

Xiao Peng, Wu Youming, Yu Ze, Li Chunsheng. Azimuth Ambiguity Suppression in SAR Images Based on Compressive Sensing Recovery Algorithm[J]. Journal of Radars, 2016, 5(1): 35-41. doi: 10.12000/JR16004

Citation:

Zhuang Xu-sheng, Wang Ling, Gao Jin, Chi Bing-qing. Passive Radar Imaging of Moving Targets Using WiFi Signals[J]. Journal of Radars, 2014, 3(6): 694-701. doi: 10.12000/JR14120

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Passive Radar Imaging of Moving Targets Using WiFi Signals

DOI: 10.12000/JR14120

1.
(Key Laboratory of Radar Imaging and Microwave Photonics, Ministry of Education, Nanjing 210016, China)
2.
(College of Electronic and Information Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China)

Received Date: 2014-10-30
Rev Recd Date: 2015-01-16
Publish Date: 2014-12-28

Abstract

Abstract

In recent years, the wireless local networks are constructed rapidly and their coverage greatly increase. The passive radar imaging of moving targets using WiFi signals is studied in this paper, which may lead to wider applications of passive radars. Firstly, the ambiguity function of WiFi signals is analyzed. The results show that the WiFi signal has good range and velocity ambiguity and can be used as an illumination source. Then, distributed apertures are used to receive target echoes and the imaging is performed using a Generalized Likelihood Ratio Test (GLRT)-based approach. The positions and velocities of the moving targets can be reconstructed. The resolution of the imaging method is also analyzed. Simulation results demonstrate the performance of the presented passive radar imaging method of moving targets using WiFi signals.
- Passive radar,
- Moving targets,
- Imaging,
- WiFi,
- Distributed apertures

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沈阳化工大学材料科学与工程学院沈阳 110142

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Passive Radar Imaging of Moving Targets Using WiFi Signals

DOI: 10.12000/JR14120

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Passive Radar Imaging of Moving Targets Using WiFi Signals

DOI: 10.12000/JR14120

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