INFORMATION PROCESSING DEVICE, TERMINAL DEVICE, ELECTRONIC DEVICE, AND COMPUTER-READABLE RECORDING MEDIUM HAVING CONTROL PROGRAM RECORDED THEREON

• US 20170331567A1
• Filed: 04/20/2017
• Published: 11/16/2017
• Est. Priority Date: 05/16/2016
• Status: Abandoned Application

• Current Assignee: Fujitsu Limited
• Original Assignee: Fujitsu Limited
• Inventors: Hamao, Shotaro
• Application Number:
  US15/492,435
• Publication Number:
  US 20170331567A1
• Time in Patent Office: Days
• CPC Class Codes: H04B 17/12 of transmit antennas, e.g. of the amplitude or phase
• CPC Class Codes: H04B 17/27 for locating or positioning the transmitter
• CPC Class Codes: H04B 17/318 Received signal strength
• CPC Class Codes: H04W 64/006 with additional information processing, e.g. for direction or speed determination
• CPC Class Codes: H04W 84/12 WLAN [Wireless Local Area Networks]

Abstract

In an information processing device, a first device includes a first wireless communicator, a determiner that determines a movement pattern of the first device, and a notifier that notifies movement pattern information which indicates the movement pattern determined by the determiner via the first wireless communicator, and a second device includes a second wireless communicator that performs wireless communication with the first wireless communicator a the directional antenna, a driver that rotates the directional antenna, and a controller that performs control to drive the driver to rotate the directional antenna according to the notified movement pattern information, so that it is possible to enhance a radio field intensity of wireless communication between the first device and the second device.

Claims

1. An information processing device comprising:

a first device; and

a second device, wherein

the first device includes

a first wireless communicator,

a determiner that determines a movement pattern of the first device, and

a notifier that notifies movement pattern information via the first wireless communicator, the movement pattern information indicating the movement pattern determined by the determiner, and

the second device includes

a directional antenna,

a second wireless communicator that performs wireless communication with the first wireless communicator via the directional antenna,

a driver that rotates the directional antenna, and

a controller that performs control to drive the driver to rotate the directional antenna according to the movement pattern information notified from the notifier.

2. The information processing device according to claim 1, wherein

the first device includes an acceleration sensor, and

the determiner determines the movement pattern based on a detection signal of the acceleration sensor.

3. The information processing device according to claim 1, wherein the controller includes a rotation range setter that sets a rotation range of the directional antenna according to the movement pattern information notified from the first device.

4. The information processing device according to claim 1, wherein

the second device includes

a radio field intensity collector that collects a radio field intensity of the wireless communication performed between the information processing device and the first device, and

a maximum radio field intensity angle specifier that specifies a rotation angle of the directional antenna at which the radio field intensity maximizes, based on the radio field intensity collected by the radio field intensity collector, and

the controller rotates the directional antenna at the rotation angle of the directional antenna that is specified by the maximum radio field intensity angle specifier and at which the radio field intensity maximizes.

5. The information processing device according to claim 4, wherein the controller includes a radio field intensity check unit angle setter that sets a rotation angle interval of the radio field intensity collector to collect the radio field intensity according to the movement pattern information notified from the first device.

6. The information processing device according to claim 1, wherein

the controller

rotates the directional antenna in a first rotation range when the movement pattern information indicates that the first device is in a state of walking movement, and

rotates the directional antenna in a second rotation range narrower than the first rotation range when the movement pattern information indicates that the terminal device is not in the state of the walking movement.

7. A terminal device comprising:

a first wireless communicator that performs wireless communication with a fixed device;

a determiner that determines a movement pattern of the terminal device; and

a notifier that notifies the fixed device of movement pattern information via the first wireless communicator, the movement pattern information indicating the movement pattern determined by the determiner.

8. The terminal device according to claim 7, further comprising an acceleration sensor,

wherein the determiner determines the movement pattern based on a detection signal of the acceleration sensor.

9. An electronic device comprising:

a directional antenna that performs wireless communication with a terminal device;

a second wireless communicator that performs wireless communication with the terminal device via the directional antenna;

a driver that rotates the directional antenna; and

a controller that performs control to drive the driver to rotate the directional antenna according to the movement pattern information notified from the terminal device.

10. The electronic device according to claim 9, wherein the controller includes a rotation range setter that sets a rotation range of the directional antenna according to the movement pattern information notified from the terminal device.

11. The electronic device according to claim 9, further comprising:

a radio field intensity collector that collects a radio field intensity of the wireless communication performed between the electronic device and the terminal device; and

a maximum radio field intensity angle specifier that specifies a rotation angle of the directional antenna at which the radio field intensity maximizes, based on the radio field intensity collected by the radio field intensity collector,

wherein the controller rotates the directional antenna at the rotation angle of the directional antenna that is specified by the maximum radio field intensity angle specifier and at which the radio field intensity maximizes.

12. The electronic device according to claim 11, wherein the controller includes a radio field intensity check unit angle setter that sets a rotation angle interval of the radio field intensity collector to collect the radio field intensity according to the movement pattern information notified from the terminal device.

13. The electronic device according to claim 9, wherein

the controller

rotates the directional antenna in a first rotation range when the movement pattern information indicates that the terminal device is in a state of walking movement, and

rotates the directional antenna in a second rotation range narrower than the first rotation range when the movement pattern information indicates that the terminal device is not in the state of the walking movement.