CLC number: TN958.97
On-line Access: 2021-08-17
Received: 2020-04-02
Revision Accepted: 2020-07-19
Crosschecked: 2021-04-01
Cited: 0
Clicked: 5373
Citations: Bibtex RefMan EndNote GB/T7714
Luo Zuo, Jun Wang, Gang Chen. Doppler ambiguity analysis and suppression for LTE-based passive bistatic radars[J]. Frontiers of Information Technology & Electronic Engineering, 2021, 22(8): 1140-1152.
@article{title="Doppler ambiguity analysis and suppression for LTE-based passive bistatic radars",
author="Luo Zuo, Jun Wang, Gang Chen",
journal="Frontiers of Information Technology & Electronic Engineering",
volume="22",
number="8",
pages="1140-1152",
year="2021",
publisher="Zhejiang University Press & Springer",
doi="10.1631/FITEE.2000143"
}
%0 Journal Article
%T Doppler ambiguity analysis and suppression for LTE-based passive bistatic radars
%A Luo Zuo
%A Jun Wang
%A Gang Chen
%J Frontiers of Information Technology & Electronic Engineering
%V 22
%N 8
%P 1140-1152
%@ 2095-9184
%D 2021
%I Zhejiang University Press & Springer
%DOI 10.1631/FITEE.2000143
TY - JOUR
T1 - Doppler ambiguity analysis and suppression for LTE-based passive bistatic radars
A1 - Luo Zuo
A1 - Jun Wang
A1 - Gang Chen
J0 - Frontiers of Information Technology & Electronic Engineering
VL - 22
IS - 8
SP - 1140
EP - 1152
%@ 2095-9184
Y1 - 2021
PB - Zhejiang University Press & Springer
ER -
DOI - 10.1631/FITEE.2000143
Abstract: In this study, we provide a detailed analysis of the frequency division duplex long term evolution downlink (FDD LTE DL) signal for passive bistatic radars that use the signal as an illuminator of opportunity. In particular, we analyze the cross-ambiguity function and illustrate its undesired deterministic peaks in the Doppler dimension due to the specific structure of the FDD LTE DL signal. A new adaptive mismatched filtering method is proposed for pre-processing the original reference signal to suppress these undesired deterministic peaks in the range-Doppler processing. The effectiveness of our proposed method is demonstrated via simulations following robustness analysis, showing that all undesired peaks are suppressed below −40 dB, with only 1.7 dB reduction in the main peak.
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