Presentation 2021-12-16
Impact of short range interference on automotive FMCW radar using iterative interference reduction scheme and its countermeasures
Akari Sakatani, Takuto Shimura, Masahiro Umehira, Yuu Watanabe, Xiaoyan Wang, Shigeki Takeda,
PDF Download Page PDF download Page Link
Abstract(in Japanese) (See Japanese page)
Abstract(in English) Wide deployment of FMCW (Frequency Modulated Continuous Wave) radar causes inter-radar interference which results in miss-detection and/or false detection of the targets. The authors have proposed an iterative interference suppression scheme which performs the interference detection and suppression in an iterative manner by updating the interference detection threshold. This report reveals that the iterative interference suppression scheme fails the interference reduction due to RF input and/or AD input saturation if the interference radar is located in close proximity to the measuring radar. Then, this report proposes a countermeasures to solve this input saturation problem caused by the close proximity wideband interference and confirms the validity of the proposed countermeasure by computer simulations.
Keyword(in Japanese) (See Japanese page)
Keyword(in English) FMCW radar / Inter-radar interference / Wideband interference / Close proximity / Input saturation
Paper # SANE2021-79
Date of Issue 2021-12-09 (SANE)

Conference Information
Committee SANE
Conference Date 2021/12/16(1days)
Place (in Japanese) (See Japanese page)
Place (in English) Chiba University
Topics (in Japanese) (See Japanese page)
Topics (in English) Radar, Remote Sensing and general issues
Chair Toshifumi Moriyama(Nagasaki Univ.)
Vice Chair Makoto Tanaka(Tokai Univ.) / Takeshi Amishima(Mitsubishi Electric)
Secretary Makoto Tanaka(Univ. of Tokyo) / Takeshi Amishima(ENRI)
Assistant Takayuki Kitamura(Mitsubishi Electric)

Paper Information
Registration To Technical Committee on Space, Aeronautical and Navigational Electronics
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Impact of short range interference on automotive FMCW radar using iterative interference reduction scheme and its countermeasures
Sub Title (in English)
Keyword(1) FMCW radar
Keyword(2) Inter-radar interference
Keyword(3) Wideband interference
Keyword(4) Close proximity
Keyword(5) Input saturation
1st Author's Name Akari Sakatani
1st Author's Affiliation Ibaraki University(Ibaraki Univ.)
2nd Author's Name Takuto Shimura
2nd Author's Affiliation Ibaraki University(Ibaraki Univ.)
3rd Author's Name Masahiro Umehira
3rd Author's Affiliation Ibaraki University/Nanzan University(Ibaraki Univ./Nanzan Univ.)
4th Author's Name Yuu Watanabe
4th Author's Affiliation Ibaraki University(Ibaraki Univ.)
5th Author's Name Xiaoyan Wang
5th Author's Affiliation Ibaraki University(Ibaraki Univ.)
6th Author's Name Shigeki Takeda
6th Author's Affiliation Ibaraki University(Ibaraki Univ.)
Date 2021-12-16
Paper # SANE2021-79
Volume (vol) vol.121
Number (no) SANE-306
Page pp.pp.90-95(SANE),
#Pages 6
Date of Issue 2021-12-09 (SANE)