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JRM Vol.33 No.2 pp. 363-370
doi: 10.20965/jrm.2021.p0363
(2021)

Development Report:

Propagation Measurements of Multi-Hop Command and Telemetry Communications System in the 169 MHz Band for Drones

Ryu Miura*, Toshinori Kagawa**, Fumie Ono*,***, Lin Shan*, Takashi Matsuda*, and Fumihide Kojima*

*National Institute of Information and Communications Technology (NICT)
3-4 Hikarino-oka, Yokosuka, Kanagawa 239-0847, Japan

** Central Research Institute of Electric Power Industry (CRIEPI)
2-6-1 Nagasaka, Yokosuka, Kanagawa 240-0196, Japan

*** Ministry of Internal Affairs and Communications
2-1-2 Kasumigaseki, Chiyoda-ku, Tokyo 100-8926, Japan

Received:
September 20, 2020
Accepted:
January 5, 2021
Published:
April 20, 2021
Keywords:
drone, command and telemetry communications, beyond line-of-sight (BLOS), 169 MHz band, multi-hop
Abstract
Propagation Measurements of Multi-Hop Command and Telemetry Communications System in the 169 MHz Band for Drones

Multi-hop control link in the 169 MHz band

The 169 MHz band was assigned for unmanned vehicles such as robots and drones by the Ministry of Internal Affairs and Communications (MIC) in 2016 in Japan, according to the reallocation of the TV band from VHF (analog) to UHF (digital). This band is expected to have a long range and good diffraction characteristics during drone operation over a long range with obstacles such as buildings, trees, or terrains. In this paper, we present the prototype system and its propagation experiments of command and telemetry communications at 169 MHz, which is added to a multi-hop communication unit in the 920 MHz band developed previously to enhance the beyond line-of-sight (BLOS) operation performance for drones.

Cite this article as:
Ryu Miura, Toshinori Kagawa, Fumie Ono, Lin Shan, Takashi Matsuda, and Fumihide Kojima, “Propagation Measurements of Multi-Hop Command and Telemetry Communications System in the 169 MHz Band for Drones,” J. Robot. Mechatron., Vol.33, No.2, pp. 363-370, 2021.
Data files:
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Last updated on May. 10, 2021