Title:
無線管理システムおよび伝送管理方法
Document Type and Number:
Japanese Patent JP5830411
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To save power of a system for acquiring and managing data from radio terminal devices installed in scattered fields and the like because the system requires power saving due to a problem of laying power supply facilities.SOLUTION: According to the invention, a radio terminal device includes: a data acquisition unit; a radio communication unit; a control unit for transmitting acquired data, or data and command destined to another device received from yet another device, and for controlling operation of the own device according to a command destined to the own device; and a clocking unit for waking up the control unit at pre-set clock time. The control unit transmits a response signal to a radio management device after execution and completion of a command destined to the own device if the control unit is in a wakeup state, and moves to a sleep state at least except for the clocking unit if it has received a sleep command destined to the own device. A radio management device includes: a master station radio communication unit, and a master station control unit for transmitting a command to the radio terminal device, and automatically transmits a next command if it has received a response signal from the radio terminal device.
Inventors:
Yui Tsutomu
Tatsuki Matsuyama
Masahiko Saito
Shinne Sawane
Tatsuki Matsuyama
Masahiko Saito
Shinne Sawane
Application Number:
JP2012042131A
Publication Date:
December 09, 2015
Filing Date:
February 28, 2012
Export Citation:
Assignee:
富士通テレコムネットワークス株式会社
富士通株式会社
富士通株式会社
International Classes:
H04W52/02; G08C15/00; G08C17/00; H04W4/04
Domestic Patent References:
| JP2009261013A | ||||
| JP2011205583A | ||||
| JP2009081585A | ||||
| JP2003084971A | ||||
| JP2007318676A |
Foreign References:
| US20080031174 |
Attorney, Agent or Firm:
Furuya Fumio
Toshihide Mori
Toshihide Mori