Title:
WIRELESS COMMUNICATION SYSTEM, TERMINAL DEVICE, BASE STATION DEVICE, AND WIRELESS COMMUNICATION METHOD
Document Type and Number:
WIPO Patent Application WO/2019/244348
Kind Code:
A1
Abstract:
The present invention is provided with: a base station device (1) which forms a plurality of beams TB required for covering the entirety of a service area, and time-divisionally transmits communication signals by means of the plurality of beams TB; and a terminal device (2) which receives the beams TB emitted from the base station (1). Communication from the base station device (1) to the terminal device (2) is performed by using a beamforming technology. The terminal device (2) compares a reception power value of the communication signal for each beam TB and a terminal allowable power value of the terminal device (2) with respect to each of the plurality of beams TB received from the base station device (1), and, on the basis of the comparison result, transmits, to the base station device (1), a specific signal for selecting a beam TB from among the plurality of beams TB. The base station device (1) receives the specific signal from the terminal device (2), selects the beam TB from among the plurality of beams TB by means of a beam selection signal based on the received specific signal, and time-divisionally transmits the communication signal.
Inventors:
NAKAMIZO HIDEYUKI (JP)
TAJIMA KENICHI (JP)
OKAZAKI AKIHIRO (JP)
UCHIDA SHIGERU (JP)
FUKUI NORIYUKI (JP)
TAJIMA KENICHI (JP)
OKAZAKI AKIHIRO (JP)
UCHIDA SHIGERU (JP)
FUKUI NORIYUKI (JP)
Application Number:
PCT/JP2018/023838
Publication Date:
December 26, 2019
Filing Date:
June 22, 2018
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
H04B7/0408
Domestic Patent References:
| WO2017119026A1 | 2017-07-13 |
Foreign References:
| JP2010536308A | 2010-11-25 | |||
| JP2009182441A | 2009-08-13 | |||
| JPH0974375A | 1997-03-18 |
Other References:
MITSUBISHI ELECTRIC 0: "Beam control operation for common channels/signals in NR", 3GPP TSG-RAN WG1 #86 R1- 166228, vol. RAN WG1, 10 August 2016 (2016-08-10), Gothenburg, Sweden, pages 1 - 10, XP051141862
See also references of EP 3796567A4
See also references of EP 3796567A4
Attorney, Agent or Firm:
TAZAWA, Hideaki et al. (JP)
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