Please download the dossier by clicking on the dossier button x
×

POSITION ESTIMATING DEVICE, POSITION ESTIMATING METHOD, AND WIRELESS COMMUNICATION SYSTEM

  • US 20140320348A1
  • Filed: 03/05/2014
  • Published: 10/30/2014
  • Est. Priority Date: 04/24/2013
  • Status: Abandoned Application
First Claim
Patent Images

1. A position estimating device that estimates a position of a target wireless device, comprising:

  • a storage that stores positions of a plurality of reference wireless devices;

    a receiver which receives a received signal strength indicator value in signal transmission and reception between the target wireless device and each reference wireless device;

    a calculator that calculates a standard deviation for a probability distribution of distances between the target wireless device and each reference wireless device, using the received signal strength indicator value;

    a first estimator that calculates an estimated distance between the target wireless device and each reference wireless device, using the received signal strength indicator value; and

    a second estimator that calculates the position of the target wireless device, using the standard deviation, the estimated distance, and the positions of the plurality of reference wireless devices.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×