Title:
WIRELESS NETWORK SYSTEM AND RECEPTION QUALITY MEASUREMENT METHOD
Document Type and Number:
WIPO Patent Application WO/2018/110576
Kind Code:
A1
Abstract:
An illumination system (1) serving as a wireless network system, provided with a plurality of illumination devices (400), which are a plurality of wireless devices, each having a unique identifier, for transmitting and receiving a wireless signal. Under the control of an illumination controller (200), the following operation is sequentially performed with regards to each of the plurality of illumination devices (400): one illumination device (400) from among the plurality of illumination devices (400) transmits a broadcast of a measurement signal including the identifier of the illumination device (400), and the other illumination device (400) receives the measurement signal and measures the reception quality, which reflects the distance between the illumination devices.
Inventors:
IBARAKI SUGUYA (JP)
HONJO HISAKI (JP)
NISHIMURA TETSU (JP)
MARUNO YUKI (JP)
AMACHI NOBUMITSU (JP)
HONJO HISAKI (JP)
NISHIMURA TETSU (JP)
MARUNO YUKI (JP)
AMACHI NOBUMITSU (JP)
Application Number:
PCT/JP2017/044632
Publication Date:
June 21, 2018
Filing Date:
December 12, 2017
Export Citation:
Assignee:
MURATA MANUFACTURING CO (JP)
International Classes:
H04Q9/00; H04W40/12; H05B37/02
Foreign References:
| JP2013232963A | 2013-11-14 | |||
| JP2006339762A | 2006-12-14 |
Attorney, Agent or Firm:
YOSHIKAWA, Shuichi et al. (JP)
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