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Bien, Franklin
Bien’s Integrated Circuit Design Lab (BICDL)
Research Interests
  • Wireless Power Transfer(WPT), touch screen, finger print, RADAR, RF IC.

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A 24 GHz dual FMCW radar to improve target detection for automotive radar applications

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Title
A 24 GHz dual FMCW radar to improve target detection for automotive radar applications
Author
Nguyen, Quang NgocPark, Myoung YeolKim, Yougn SuBien, Franklin
Keywords
automotive radar;  24 GHz;  frequency modulated continuous waveform;  FMCW;  transceiver;  multi-target
Issue Date
201804
Publisher
Inderscience Enterprises Ltd.
Citation
International Journal of Information and Communication Technology, v.13, no.2, pp.243 - 255
Abstract
A 24 GHz automotive radar with dual frequency modulated continuous waveform (FMCW) is proposed. By using this modulation waveform, the ghost targets can be avoided, especially in multi-target situations. Thus, the detection ability of radar systems can be significantly improved. In this paper, in order to generate the dual FMCW signal, a dual FMCW modulation control logic (DFMCL) is proposed. This block incorporates a 24 GHz fractional-N phase locked loop (PLL), synthesise 24 GHz modulation waveform. The proposed architecture was designed using 130 nm CMOS process. Two alternative chirps of 12 ms and 6 ms were generated in the coherent processing interval. The modulation bandwidth was 200 MHz. Moreover, a radar transceiver, which consists of 24 GHz dual FMCW generator and monolithic microwave integrated circuits (MMICs), was accomplished. A behavioural simulation was conducted to evaluate the operation of the proposed generator. Then, the transceiver was modelled for testing the detection ability of the automotive radar. The results demonstrated that the proposed scheme has the ability to realise the Dual FMCW waveform for automotive radar systems. Furthermore, the system can avoid the ghost targets in multi-target scenarios.
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DOI
http://dx.doi.org/10.1504/IJICT.2018.090561
ISSN
1466-6642
Appears in Collections:
ECE_Journal Papers
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