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RADIO COMMUNICATION DEVICE, RADIO COMMUNICATION SYSTEM, AND POSITION ESTIMATION METHOD

  • US 20140329543A1
  • Filed: 01/29/2013
  • Published: 11/06/2014
  • Est. Priority Date: 02/22/2012
  • Status: Abandoned Application
First Claim
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1. A radio communication device that performs radio communication with a tag which includes a first short-range radio communication module, the radio communication device comprising:

  • a second short-range radio communication module that measures electric field strength of a radio wave from the tag;

    a sensor that detects a motion of the radio communication device;

    a location estimation unit that estimates a location of the tag, based on the electric field strength measured by the second short-range radio communication module, and the motion of the radio communication device detected by the sensor; and

    an output unit that outputs information indicating the location of the tag, wherein the location of the tag is estimated by the location estimation unit.

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