Range sidelobe suppression for OFDM-integrated radar and communication signal

To improve the RadCom system of performing both data transmission and radar-sensing functions, here a waveform design method for orthogonal frequency division multiplexing (OFDM) signal is proposed to solve the problem of high range sidelobe level in radar detection process while maintaining a reaso...

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Bibliographic Details
Published in:Journal of engineering (Stevenage, England) England), 2019-11, Vol.2019 (21), p.7624-7627
Main Authors: Zuo, Jiajun, Yang, Ruijuan, Luo, Shaohua, Zhou, Yugang
Format: Article
Language:English
Subjects:
communication signal
convex optimisation method
convex programming
data transmission
high range sidelobe level
IET International Radar Conference (IRC 2018)
OFDM modulation
peak-to-sidelobe ratio
preferable channel quality
radar detection
radar detection process
radar signal processing
radar-sensing functions
RadCom system
radio networks
reasonable channel capacity
traditional range sidelobe suppression method
waveform design method
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Summary:To improve the RadCom system of performing both data transmission and radar-sensing functions, here a waveform design method for orthogonal frequency division multiplexing (OFDM) signal is proposed to solve the problem of high range sidelobe level in radar detection process while maintaining a reasonable channel capacity. The method only transmits data in the sub-channels with preferable channel quality. Then, calculate the weight of the chosen subcarriers through the convex optimisation method to traditionally minimise the peak-to-sidelobe (PSL) ratio. Simulation results prove that, compared with traditional range sidelobe suppression method, this algorithm is more suitable for RadCom system.
ISSN:2051-3305
2051-3305
DOI:10.1049/joe.2019.0637