Resources Contact Us Home
Estimation of speed of travel using the dynamic signal strength variation of multiple WLAN access points

Image Number 5 for United States Patent #8014788.

A method for estimating the speed and bearing of a Wi-Fi enabled device using WLAN radio signals in a WLAN based location service is provided. A method used to estimate a speed of travel of a Wi-Fi enabled device comprises the Wi-Fi enabled device receiving signals transmitted by Wi-Fi access points in range of the Wi-Fi enabled device, and using the signals to estimate the speed of and/or direction of travel of the Wi-Fi enabled device.

  Recently Added Patents
Author signatures for legal purposes
Device with a floating head having a heater element
Semiconductor device having vertical channel
Flexure with insulating layer isolating a portion of a metal substrate
Efficient location discovery
Polypeptide microparticles
Multiple-frequency inversion method and control apparatus for internal combustion engine driven generator
  Randomly Featured Patents
Hepatitis C virus peptides and uses thereof
Multiplexed modulation system for robust audio digital television
Position controller for a towed array
Milling cutter and method of operating same, and other machine tools, and an adjustment mechanism therefor
Tubular endoluminar prosthesis having oblique ends
Closed loop control of excitation parameters for switch-reluctance motors
Method for detecting film pulldown cadences
Compacted metallic wire element
Liquid crystal interferometer
Prostaglandin C.sub.3