Calibration of a device location measurement system that utilizes wireless signal strengths

A location system that observes signal properties to determine a new location(s), comprising:

• means for measuring signal properties related to identified locations;
• and
• means for generating a regression function comprising a plurality of kernel functions based at least in part upon the signal properties, the regression function estimating new location(s) as a function of the difference between observed signal properties and stored signal properties.

A location system that uses observed signal properties to determine new location(s), comprising:

• a measuring component for measuring signal properties related to identified locations;
• and
• a regression component for generating a regression function based at least in part upon the signal properties, the function estimating new location(s) based upon observed signal property data, the regression function comprising a plurality of kernel functions, each kernel function computing the difference between a vector of observed signal properties and a vector of stored signal properties.

A computer for calibrating a system that uses signal properties to estimate new location(s), comprising:

• means for measuring the signal properties related to identified locations;
• and
• means for regressing, the regressing means generating a regression function based at least in part on the measured signal properties, the regression function comprising a plurality of kernel functions, each kernel function computing the difference between a vector of observed signal properties and a vector of stored signal properties to estimate new location(s).

A method of calibrating a system that is used to determine new location(s) depending on observed signal properties, comprising:

• measuring signal properties related to identified locations associated with one or more wireless devices, which measured signal properties are observed signal properties;
• and
• generating a regression function comprising a plurality of kernel functions devices, the regression function estimating new location(s) associated with new wireless devices as a function of the observed signal properties and of stored signal properties.

A method of calibrating a system that is used to determine new location(s) depending on observed signal properties, comprising:

• measuring signal properties related to identified locations associated with one or more wireless devices using a portable computer, which measured signal properties are observed signal properties;
• and
• generating a regression function on the portable computer comprising a plurality of kernel functions, the function estimating new location(s) associated with new wireless devices as a function of the observed signal properties and of stored signal properties.