Proposal of multiple access FMCW radar for inter-radar interference avoidance

Inter-radar interference will be a crucial problem when a number of frequency modulated continuous wave (FMCW) radars are densely deployed in future, since it can cause miss detection and false detection of the target due to wideband interference and narrowband interference. One of the approaches to...

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Bibliographic Details
Published in:Journal of engineering (Stevenage, England) England), 2019-11, Vol.2019 (21), p.7304-7308
Main Authors: Kurosawa, Mikihiro, Nozawa, Takuya, Umehira, Masahiro, Wang, Xiaoyan, Takeda, Shigeki, Kuroda, Hiroshi
Format: Article
Language:English
Subjects:
automotive radars
carrier sense multiple access
carrier sense performance evaluation
computer simulations
CW radar
design parameters
false detection
FM radar
frequency modulated continuous wave radars
IET International Radar Conference (IRC 2018)
interference suppression
interradar interference avoidance
miss detection
multiple access FMCW radar
narrowband interference
packet collision avoidance
radar detection
radar interference
radar tracking
road vehicle radar
wideband interference
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Summary:Inter-radar interference will be a crucial problem when a number of frequency modulated continuous wave (FMCW) radars are densely deployed in future, since it can cause miss detection and false detection of the target due to wideband interference and narrowband interference. One of the approaches to solve this problem is to introduce a multiple access technique for automotive radars, e.g. carrier sense multiple access used in wireless LAN to avoid packet collision. This study proposes multiple access FMCW radar which can avoid both narrow-band and wideband interference assuming all of the FMCW radars have the same design parameters. It also, proposes a carrier sense technique as a key technique for multiple access FMCW radar and evaluates the carrier sense performance by computer simulations.
ISSN:2051-3305
2051-3305
DOI:10.1049/joe.2019.0166