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Radio Communication Device, Program, Radio Communication Method, and Radio Communication System

  • US 20100261433A1
  • Filed: 08/12/2008
  • Published: 10/14/2010
  • Est. Priority Date: 11/15/2007
  • Status: Active Grant
First Claim
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1. A radio communication device comprising:

  • a reception unit that receives a radio signal;

    a measurement unit that measures a field intensity of the radio signal received by the reception unit;

    a determination unit that determines whether the radio signal received by the reception unit satisfies a predetermined condition for a noise component; and

    an estimation unit that estimates a distance from a transmission source device of the radio signal based on the field intensity of the radio signal determined by the determination unit to satisfy the predetermined condition.

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