Title:
携帯端末の滞在範囲を絞り込む基地局、プログラム及び方法
Document Type and Number:
Japanese Patent JP7312147
Kind Code:
B2
Abstract:
To provide a mobile base station and the like that can narrow down the range of stay of a mobile terminal.SOLUTION: A base station that emits radio waves to discover a mobile terminal includes: first circular radio range setting means that sets a first circular radio range of a first radius; terminal detection means that positions the detection position when a signal is received from the mobile terminal in the first circular radio wave range; second circular radio range setting means that sets a second circular radio range of a second radius which is shorter than the first radius by a predetermined length around the detection position; third circular radio range setting means that sets a third circular radio range of a third radius shorter than the second radius; and beam movement control means that searches by moving the third circular radio range while radiating along the central circumference of the circular radio range where the first circular radio range and the second circular radio range do not overlap.SELECTED DRAWING: Figure 3
Inventors:
Yuuya Tanaka
Application Number:
JP2020105646A
Publication Date:
July 20, 2023
Filing Date:
June 18, 2020
Export Citation:
Assignee:
KDDI CORPORATION
International Classes:
H04W64/00; H04W84/00
Domestic Patent References:
| JP2019027791A | ||||
| JP2021158470A |
Foreign References:
| WO2017187487A1 | ||||
| US9571978 |
Other References:
田中 裕也 他,2020年電子通信学会通信ソサイエティ大会 B-11-20,2020年09月01日
Attorney, Agent or Firm:
Shigeki Hayahara