| Presentation | 2018-10-12 Fundamental Study on Ambiguity Suppression by Using SIMO radar of Automotive Squint-mode MW-SAR Akira Oshima, Hiroyoshi Yamada, Shogo Muramatsu, Yoshio Yamaguchi, |
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| PDF Download Page |  PDF download Page Link |
| Abstract(in Japanese) | (See Japanese page) |
| Abstract(in English) | Automatic operating system for vehicle, such as advanced driver assistance system, has been intensively studied recently. Especially, Millimeter wave (mmWave) automotive radar can observe long distance even in bad weather condition, so that it has been attracting attentions. Although the performance of the array antenna can be improved by large aperture array, but it is often difficult to mount on a vehicle due to space limitation. The authors have proposed mmWave SAR (Synthetic Aperture Radar) processing for vehicle. SAR processing can generate the high-resolution 2-D images even with a small antenna. In observing by mmWave automotive SAR, ambiguity caused by grating lobes have appeared depending on the speed of the vehicle and PRI (Pulse Reputation Interval) of the radar in oberving region. To overcome the problem, we propose to adopt a SIMO (Single Input Multiple Output) system for the mmWave automotive SAR. By changing the radar's directivity, the appearance of grating lobes alters. In this papar, we show by computer simulation that ambiguity suppression by grating lobe. The simulation results show that SIMO radar can discriminate actual target clearly even in appearing ambiguity by grating robes in comparison with the SISO (Single Input Single Output) mmWave automotive SAR. |
| Keyword(in Japanese) | (See Japanese page) |
| Keyword(in English) | millimeter wave automotive radar / synthetic aperture radar / grating lobes |
| Paper # | SANE2018-52 |
| Date of Issue | 2018-10-05 (SANE) |
| Conference Information | |
| Committee | SANE |
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| Conference Date | 2018/10/12(1days) |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | The University of Electro-Communications |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Radar signal processing and general issues |
| Chair | Sonosuke Fukushima(ENRI) |
| Vice Chair | Toshifumi Moriyama(Nagasaki Univ.) / Akitsugu Nadai(NICT) |
| Secretary | Toshifumi Moriyama(ENRI) / Akitsugu Nadai(Univ. of Electro-Comm.) |
| Assistant | Ryo Natsuaki(Univ. of Tokyo) / Masato Yamanashi(Mitsubishi Space Software) / Takeshi Amishima(Mitsubishi Electric) |
| Paper Information | |
| Registration To | Technical Committee on Space, Aeronautical and Navigational Electronics |
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| Language | JPN |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Fundamental Study on Ambiguity Suppression by Using SIMO radar of Automotive Squint-mode MW-SAR |
| Sub Title (in English) | |
| Keyword(1) | millimeter wave automotive radar |
| Keyword(2) | synthetic aperture radar |
| Keyword(3) | grating lobes |
| Keyword(4) | |
| 1st Author's Name | Akira Oshima |
| 1st Author's Affiliation | Niigata University(Niigata Univ.) |
| 2nd Author's Name | Hiroyoshi Yamada |
| 2nd Author's Affiliation | Niigata University(Niigata Univ.) |
| 3rd Author's Name | Shogo Muramatsu |
| 3rd Author's Affiliation | Niigata University(Niigata Univ.) |
| 4th Author's Name | Yoshio Yamaguchi |
| 4th Author's Affiliation | Niigata University(Niigata Univ.) |
| Date | 2018-10-12 |
| Paper # | SANE2018-52 |
| Volume (vol) | vol.118 |
| Number (no) | SANE-239 |
| Page | pp.pp.45-49(SANE), |
| #Pages | 5 |
| Date of Issue | 2018-10-05 (SANE) |