Title:
SERVICE LINK ANTENNA CONFIGURATION AND BEAMFORMING CONTROL IN HAPS
Document Type and Number:
WIPO Patent Application WO/2020/045006
Kind Code:
A1
Abstract:
Provided is an airborne type of communication relay device having a reduced size and capable of suppressing the movement of cell footprint. The communication relay device is provided with: an array antenna that has a plurality of antenna elements for forming cells to perform service link wireless communications with terminal devices; an information acquisition unit that acquires information of at least one of the position and attitude of the communication relay device; and a control unit that controls, on the basis of the information of at least one of the position and attitude of the communication relay device, the phases and amplitudes of a plurality of transmission/reception signals, transmitted and received via each of the plurality of antenna elements of the array antenna, such that the position of the cell footprint is fixed.
Inventors:
HOSHINO KENJI (JP)
SUDO SHOICHI (JP)
OTA YOSHICHIKA (JP)
SUDO SHOICHI (JP)
OTA YOSHICHIKA (JP)
Application Number:
PCT/JP2019/031181
Publication Date:
March 05, 2020
Filing Date:
August 07, 2019
Export Citation:
Assignee:
HAPSMOBILE INC (JP)
International Classes:
H04B7/185
Domestic Patent References:
| WO2001020719A1 | 2001-03-22 |
Foreign References:
| US20160112116A1 | 2016-04-21 | |||
| US20160046387A1 | 2016-02-18 |
Other References:
HUI LIXIN XUMINGCHUAN YANGQING GUO: "Compensative mechanism based on steerable antennas for High Altitude Platform movement", 2011 6TH INTERNATIONAL ICST CONFERENCE ON COMMUNICATIONS AND NETWORKING IN CHINA (CHINACOM), HARBIN, 2011, pages 870 - 874, XP032120029, DOI: 10.1109/ChinaCom.2011.6158277
See also references of EP 3836423A4
See also references of EP 3836423A4
Attorney, Agent or Firm:
KURODA Hisashi et al. (JP)
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