Communication control device, communication control system, and communication control method

• US 10,485,014 B2
• Filed: 03/20/2018
• Issued: 11/19/2019
• Est. Priority Date: 03/31/2017
• Status: Active Grant

• Current Assignee: Fujitsu Limited
• Original Assignee: Fujitsu Limited
• Inventors: Sano, Takeshi, Ohtani, Takeshi, Kakuta, Jun
• Primary Examiner(s): Elpenord, Candal
• Application Number:
  US15/926,871
• Publication Number:
  US 20180288786A1
• Time in Patent Office: 609 Days
• Field of Search: None
• CPC Class Codes: H04Q 9/00 Arrangements in telecontrol or telemetry systems for selectively calling a substation from a main station, in which substation desired apparatus is selected for applying a control signal thereto or for obtaining measured values therefrom
• CPC Class Codes: H04W 4/38 for collecting sensor information
• CPC Class Codes: H04W 4/70 Services for machine-to-machine communication [M2M] or machine type communication [MTC]
• CPC Class Codes: H04W 4/80 Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
• CPC Class Codes: H04W 72/121 for groups of terminals or users
• CPC Class Codes: H04W 72/566 of the information or information source or recipient
• CPC Class Codes: H04W 88/16 Gateway arrangements

Abstract

A data acquisition unit repeatedly acquires pieces of notification information for executing predetermined processing from respective BLE devices. A connection controller detects a BLE device, calculates digitalized values of influences of the respective pieces of notification information acquired from the respective BLE devices on the predetermined processing on the basis of the pieces of notification information already acquired by the data acquisition unit, selects a BLE device on the basis of the calculated digitalized values of the influences, and causes the data acquisition unit to stop acquisition of the notification information from the selected BLE device and establishes connection with the BLE device.

Claims

1. A communication control device comprising:

a processor configured to;

repeatedly acquire pieces of notification information for executing predetermined processing from a plurality of terminal devices;

detect a specific connectible terminal device,

determine whether connection of the specific terminal device is reconnection,

calculate, when the connection is not the reconnection, digitalized values of influences of the respective pieces of notification information acquired from the respective terminal devices on the predetermined processing on the basis of the pieces of notification information already acquired and select a terminal device on the basis of the calculated digitalized values of the influences,

calculate, when the connection is the reconnection, a specific digitalized value of the influence of the notification that is acquired from the specific terminal device on the predetermined processing on the basis of the notification information already acquired in a past connection period and select the terminal device using the specific value, and

stand by for acquisition of the notification information from the selected terminal device and establish connection with the specific terminal device.

2. The communication control device according to claim 1, wherein

the processor is configured to

acquire communication states with the respective terminal devices as transmission sources of the respective pieces of notification information in acquisition of the respective pieces of notification information, and

calculate the digitalized values of the influences on the basis of the pieces of notification information and the communication states already acquired.

3. The communication control device according to claim 1, wherein

the processor is configured to select the terminal device from which the notification information is acquired at closest timing among the terminal devices having the digitalized values of the influences that are equal to or lower than a threshold.

4. The communication control device according to claim 1, wherein

the processor is configured to acquire the notification information from the specific terminal device after the connection controller establishes the connection with the specific terminal device.

5. A communication control system comprising a communication control device, a plurality of terminal devices, and a processing execution device, wherein

each of the terminal devices includes:

an acquisition unit that repeatedly acquires notification information, and

a transmitter that transmits the notification information acquired by the acquisition unit to the communication control device,

the processing execution device executes predetermined processing using the pieces of notification information transmitted from the respective terminal devices, and

the communication control device includes;

a processor configured to;

acquire the pieces of notification information from the respective terminal devices, and

detect a specific connectible terminal device,

determine whether connection of the specific terminal device is reconnection,

calculate, when the connection is not the reconnection, digitalized values of influences of the respective pieces of notification information acquired from the respective terminal devices on the predetermined processing on the basis of the pieces of notification information already acquired and select a terminal device on the basis of the calculated digitalized values of the influences,

calculate, when the connection is the reconnection, a specific digitalized value of the influence of the notification that is acquired from the specific terminal device on the predetermined processing on the basis of the notification information already acquired in a past connection period and select the terminal device using the specific value, and

stand by for acquisition of the notification information from the selected terminal device and establish connection with the specific terminal device.

6. A communication control method comprising:

acquiring pieces of notification information for executing predetermined processing from a plurality of terminal devices;

detecting a specific connectible terminal device;

calculating, when the connection is not the reconnection, digitalized values of influences of the respective pieces of notification information acquired from the respective terminal devices on the predetermined processing on the basis of the pieces of already acquired notification information;

selecting a terminal device on the basis of the calculated digitalized values of the influences;

calculate, when the connection is the reconnection, a specific digitalized value of the influence of the notification that is acquired from the specific terminal device on the predetermined processing on the basis of the notification information already acauired in a past connection period,

selecting the terminal device using the specific value,

standing by for acquisition of the notification information from the selected terminal device and establishing connection with the specific terminal device; and

acquiring the pieces of notification information from the respective terminal devices and the specific terminal device.