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Wireless device, control method, and display method

A technology of a wireless device and a control method, applied in the field of wireless devices, capable of solving problems such as wireless signal blocking

Inactive Publication Date: 2014-05-21
FUJITSU LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] However, if figure 1 As shown, the wireless signal sent by the second communication device R2 may be blocked by obstacles and / or terrain
In this case, even if the wireless device S1 is set close enough to the first communication device R1, there is a problem that it is difficult for the wireless device S1 to receive and the wireless signal transmitted by the second communication device R2 and received by the first communication device R1 is sufficiently strong. The problem of the correlation of the wireless signal

Method used

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  • Wireless device, control method, and display method
  • Wireless device, control method, and display method
  • Wireless device, control method, and display method

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no. 1 approach

[0026] (overview)

[0027] The wireless device according to the first embodiment is applied to a wireless communication system including a plurality of communication devices forming a wireless ad hoc network and performing multi-hop communication. The wireless device is used to check whether the first communication device correctly receives the wireless signal from the second communication device. Hereinafter, the wireless device is generally referred to as an inspection terminal.

[0028] The wireless device receives a first wireless signal transmitted by the first communication device and a second wireless signal transmitted by the second communication device. In addition, the wireless device detects a first direction of arrival which is a direction opposite to the propagation direction of the received first wireless signal and a second direction of arrival which is a direction opposite to the direction of propagation of the received first wireless signal. The propagation ...

no. 2 approach

[0119] Next, a wireless device according to a second embodiment of the present invention will be described. The wireless device according to the second embodiment differs from the wireless device according to the first embodiment in that the first guiding direction is corrected after the first wireless signal or the second wireless signal is not received. The differences will be mainly described below.

[0120] When the first wireless signal, the second wireless signal, or both are not received, the pilot signal generator 225 according to the second embodiment generates a second wireless signal indicating that the first wireless signal, the second wireless signal, or both are not received. A guiding signal.

[0121] In addition, the guidance signal generating unit 225 generates a signal before reception failure (the first guidance signal), corrects the first guidance direction when the second wireless signal is received again after the second wireless signal cannot be receive...

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Abstract

The present invention provides a wireless device, control method and display method. The wireless device includes a receiver that receives a first radio signal transmitted from a first communication device and a second radio signal transmitted from a second communication device, and a processor that detects a first arrival direction which is a direction opposite to a propagation direction of the received first radio signal and a second arrival direction which is a direction opposite to a propagation direction of the received second radio signal and generates a first signal for guiding the wireless device so as to be located on a straight line that extends in a propagation direction of the second radio signal received by the first communication device based on the detected first and second arrival directions.

Description

technical field [0001] Embodiments discussed herein relate to wireless devices, control methods, and display methods. Background technique [0002] Wireless devices that receive wireless signals transmitted by communication devices and output information for guiding the wireless devices based on the received wireless signals are known. As an example of this type of wireless device, a mobile communication terminal disclosed in Patent Document 1 (Japanese Patent Laid-Open No. 2001-36320 ) measures signal strength in various directions using a directional antenna. The mobile communication terminal outputs information for guiding the wireless device to a position where a stronger wireless signal can be received from the base station based on the measured signal strength. [0003] It should be noted that Patent Document 2 (Japanese Patent Laid-Open No. 2008-252709 ) discloses a technique using spatial correlation values. Specifically, the base station disclosed in Patent Docume...

Claims

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Application Information

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IPC IPC(8): H04W24/02
CPCG01S5/02
Inventor 本田敦
Owner FUJITSU LTD