Research on Characteristics and Suppression Methods of Side Peaks of Passive Radar Based on LTE Signal

Xiaode LÜ; Hanliang ZHANG; Jingmao YANG; Qi YUE

doi:10.11999/JEIT180019

Volume 40 Issue 10

Sep. 2018

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Article Navigation > Journal of Electronics & Information Technology > 2018 > 40(10): 2498-2505

Xiaode LÜ, Hanliang ZHANG, Jingmao YANG, Qi YUE. Research on Characteristics and Suppression Methods of Side Peaks of Passive Radar Based on LTE Signal[J]. Journal of Electronics & Information Technology, 2018, 40(10): 2498-2505. doi: 10.11999/JEIT180019

Citation:

Xiaode LÜ, Hanliang ZHANG, Jingmao YANG, Qi YUE. Research on Characteristics and Suppression Methods of Side Peaks of Passive Radar Based on LTE Signal[J]. Journal of Electronics & Information Technology, 2018, 40(10): 2498-2505. doi: 10.11999/JEIT180019

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Research on Characteristics and Suppression Methods of Side Peaks of Passive Radar Based on LTE Signal

doi: 10.11999/JEIT180019

Xiaode LÜ^{1, 2},
Hanliang ZHANG^{1, 2, 3
,
,},
Jingmao YANG^{1, 2, 3},
Qi YUE^{1, 2, 3}

1.
Institute of Electronics, Chinese Academy of Sciences, Beijing 100190, China
2.
National Key Laboratory of Science and Technology on Microwave Imaging, Beijing 100190, China
3.
University of Chinese Academy of Sciences, Beijing 100049, China

Received Date: 2018-01-05
Rev Recd Date: 2018-05-29

Available Online: 2018-07-30

Publish Date: 2018-10-01

Abstract

Abstract

For the passive radar based on Long Term Evolution (LTE) signal, firstly, the ambiguity function are analyzed, and the producing mechanism of different side peaks are explained. Then, a series of corresponding suppression algorithms are proposed for two types of side peaks degrading detection performance: For the side peaks caused by the cyclic prefix, a fast ambiguity algorithm based on non-continuous chunking of data is proposed; For the side peaks caused by the non-continuous spectrum, the suppression algorithm of bandwidth synthesis and frequency domain windowed is proposed. Finally, the thumbtack ambiguity function of the LTE signal is obtained through integrated processing of two suppression algorithms. The work of this paper provides a new method for the side peaks suppression of the passive radar based on the LTE signal.
- Passive radar,
- Long Term Evolution (LTE) signal,
- Ambiguity function,
- Side peaks suppression

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References(19)

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