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Multitarget detection algorithm for automotive FMCW radar

Title
Multitarget detection algorithm for automotive FMCW radar
Authors
Hyun, Eu GinOh, Woo JinLee, Jong Hun
DGIST Authors
Hyun, Eu GinLee, Jong Hun
Issue Date
2012
Citation
Radar Sensor Technology XVI, 8361
Type
Conference
Article Type
Conference Paper
ISBN
9780000000000
ISSN
0277-786X
Abstract
Today, 77 GHz FMCW (Frequency Modulation Continuous Wave) radar has strong advantages of range and velocity detection for automotive applications. However, FMCW radar brings out ghost targets and missed targets in multi-target situations. In this paper, in order to resolve these limitations, we propose an effective pairing algorithm, which consists of two steps. In the proposed method, a waveform with different slopes in two periods is used. In the 1st pairing processing, all combinations of range and velocity are obtained in each of two wave periods. In the 2nd pairing step, using the results of the 1st pairing processing, fine range and velocity are detected. In that case, we propose the range-velocity windowing technique in order to compensate for the non-ideal beat-frequency characteristic that arises due to the non-linearity of the RF module. Based on experimental results, the performance of the proposed algorithm is improved compared with that of the typical method. © 2012 SPIE.
URI
http://hdl.handle.net/20.500.11750/5536
DOI
10.1117/12.918537
Publisher
SPIE
Related Researcher
Files:
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Collection:
Convergence Research Center for Future Automotive Technology2. Conference Papers


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