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| 講演名 | 2021-11-12 14:20 Sub-6帯5Gモバイルシステムによるパルス型電波高度計の電磁干渉特性評価 ～ DO-155試験法に基づく帯域内干渉および帯域外干渉しきい値測定 ～ ○二ッ森俊一・宮崎則彦（電子航法研）  SANE2021-58 |
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| 抄録 | （和） | This paper discusses the evaluation of pulsed aircraft radio altimeter (RA) electromagnetic interference susceptibility characteristics due to Sub-6 band 5G mobile communication systems. Sub-6 5G mobile communication systems have recently introduced frequency bands that are close to those of the RA band, which are allocated between 4.2 and 4.4 GHz. The safety and security operation of the RAs is critical as an aircraft safety avionics. To investigate the coexistence conditions of aircraft RAs and 5G mobile communication systems, electromagnetic interference susceptibility characteristics of the RAs are required. Firstly, the specification of the pulsed RA and measurement set-up based on DO-155 test procedures are discussed. Then, the measurement conditions such as the altitude and interference signal frequency are explained. Finally, the interference threshold values of RAs are discussed based on the measured results. As altitude increases, the interference threshold power decreases. The highest altitude measured is 1,500 feet. At the same test conditions and for the same product number RA, the variations in interference threshold power are greater than 10 dB. For the in-band and out-of-band interference tests, the minimum interference threshold values are -57.7 dBm and -86.8 dBm/MHz, respectively. |
| （英） | This paper discusses the evaluation of pulsed aircraft radio altimeter (RA) electromagnetic interference susceptibility characteristics due to Sub-6 band 5G mobile communication systems. Sub-6 5G mobile communication systems have recently introduced frequency bands that are close to those of the RA band, which are allocated between 4.2 and 4.4 GHz. The safety and security operation of the RAs is critical as an aircraft safety avionics. To investigate the coexistence conditions of aircraft RAs and 5G mobile communication systems, electromagnetic interference susceptibility characteristics of the RAs are required. Firstly, the specification of the pulsed RA and measurement set-up based on DO-155 test procedures are discussed. Then, the measurement conditions such as the altitude and interference signal frequency are explained. Finally, the interference threshold values of RAs are discussed based on the measured results. As altitude increases, the interference threshold power decreases. The highest altitude measured is 1,500 feet. At the same test conditions and for the same product number RA, the variations in interference threshold power are greater than 10 dB. For the in-band and out-of-band interference tests, the minimum interference threshold values are -57.7 dBm and -86.8 dBm/MHz, respectively. | |
| キーワード | （和） | 5G mobile commutation system / Electromagnetic interference / Radio altimeter / Radiation power / Spectrum sharing / Wireless Avionics Intra-Communication / / |
| （英） | 5G mobile commutation system / Electromagnetic interference / Radio altimeter / Radiation power / Spectrum sharing / Wireless Avionics Intra-Communication / / | |
| 文献情報 | 信学技報, vol. 121, no. 236, SANE2021-58, pp. 139-143, 2021年11月. | |
| 資料番号 | SANE2021-58 | |
| 発行日 | 2021-11-04 (SANE) | |
| ISSN | Online edition: ISSN 2432-6380 | |
| 著作権に ついて |
技術研究報告に掲載された論文の著作権は電子情報通信学会に帰属します．(許諾番号：10GA0019/12GB0052/13GB0056/17GB0034/18GB0034) | |
| PDFダウンロード | SANE2021-58 |
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| 研究会情報 | |
| 研究会 | SANE |
| 開催期間 | 2021-11-11 - 2021-11-12 |
| 開催地（和） | オンライン開催 |
| 開催地（英） | Online |
| テーマ（和） | ICSANE2021/地下電磁計測ワークショップ |
| テーマ（英） | ICSANE2021/Workshop on subsurface electromagnetic measurement |
| 講演論文情報の詳細 | |
| 申込み研究会 | SANE |
| 会議コード | 2021-11-SANE |
| 本文の言語 | 日本語 |
| タイトル（和） | Sub-6帯5Gモバイルシステムによるパルス型電波高度計の電磁干渉特性評価 |
| サブタイトル（和） | DO-155試験法に基づく帯域内干渉および帯域外干渉しきい値測定 |
| タイトル（英） | Evaluation of Pulsed Aircraft Radio Altimeter Electromagnetic Interference Characteristics due to Sub-6 band 5G Mobile Communication Systems |
| サブタイトル（英） | Measurements of in-band and out-band interference threshold power level based on DO-155 test procedure |
| キーワード(1)（和/英） | 5G mobile commutation system / 5G mobile commutation system |
| キーワード(2)（和/英） | Electromagnetic interference / Electromagnetic interference |
| キーワード(3)（和/英） | Radio altimeter / Radio altimeter |
| キーワード(4)（和/英） | Radiation power / Radiation power |
| キーワード(5)（和/英） | Spectrum sharing / Spectrum sharing |
| キーワード(6)（和/英） | Wireless Avionics Intra-Communication / Wireless Avionics Intra-Communication |
| キーワード(7)（和/英） | / |
| キーワード(8)（和/英） | / |
| 第1著者 氏名（和/英/ヨミ） | 二ッ森 俊一 / Shunichi Futatsumori / フタツモリ シュンイチ |
| 第1著者 所属（和/英） | 電子航法研究所 (略称： 電子航法研) Electronic Navigation Research Institute (略称： ENRI) |
| 第2著者 氏名（和/英/ヨミ） | 宮崎 則彦 / Norihiko Miyazaki / ミヤザキ ノリヒコ |
| 第2著者 所属（和/英） | 電子航法研究所 (略称： 電子航法研) Electronic Navigation Research Institute (略称： ENRI) |
| 講演者 | 第1著者 |
| 発表日時 | 2021-11-12 14:20:00 |
| 発表時間 | 20分 |
| 申込先研究会 | SANE |
| 資料番号 | SANE2021-58 |
| 巻番号（vol） | vol.121 |
| 号番号（no） | no.236 |
| ページ範囲 | pp.139-143 |
| ページ数 | 5 |
| 発行日 | 2021-11-04 (SANE) |
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