Estimating whether or not a wireless terminal is in a zone using radio navigation
TK Bhattacharya, M Feuerstein, SD Gordon - US Patent 8,320,933, 2012 - Google Patents
The present invention provides a technique for estimating whether or not a wireless terminal
is in a Zone without some of the costs and disadvantages for doing so in the prior art. The …
is in a Zone without some of the costs and disadvantages for doing so in the prior art. The …
Estimating the location of a wireless terminal based on non-uniform locations
DS Spain Jr, M Feuerstein, RM Dressler - US Patent 7,753,278, 2010 - Google Patents
(57) ABSTRACT A technique for estimating the location of a Wireless terminal at an
unknown location in a geographic region is disclosed. The technique is based on the …
unknown location in a geographic region is disclosed. The technique is based on the …
Estimating the Location of a Wireless Terminal Based on Non-Uniform Probabilities of Movement
DS Spain Jr, RM Dressler - US Patent 7,257,414, 2007 - Google Patents
(57) ABSTRACT A technique for estimating the location of a wireless termi nal at an
unknown location in a geographic region is disclosed. The technique is based on the …
unknown location in a geographic region is disclosed. The technique is based on the …
Estimating the location of a wireless terminal based on the traits of the multipath components of a signal
M Feuerstein, SD Gordon, DS Spain Jr - US Patent 7,899,467, 2011 - Google Patents
(57) ABSTRACT A technique for estimating the location of a wireless terminal at an unknown
location in a geographic region is disclosed. The technique is based on the recognition that …
location in a geographic region is disclosed. The technique is based on the recognition that …
Location estimation of wireless terminals through pattern matching of signal-strength differentials
DS Spain - US Patent 7,460,505, 2008 - Google Patents
(57) ABSTRACT A method of estimating the location of a wireless terminal is disclosed that
is ideally Suited for use with legacy systems. The illustrative embodiment of the present …
is ideally Suited for use with legacy systems. The illustrative embodiment of the present …
Estimating the location of a wireless terminal based on signal path impairment
TK Bhattacharya, M Feuerstein, SD Gordon… - US Patent …, 2010 - Google Patents
Continuation-in-part of application No. 10/910,511,(57) filed on Aug. 3, 2004, now Pat No.
7,167,714, which is A technique for estimating the location of a wireless terminal a …
7,167,714, which is A technique for estimating the location of a wireless terminal a …
Estimating the location of a wireless terminal based on radio-frequency pattern matching and cooperative measurements
SD Gordon, SRM Vaghefi, RM Buehrer - US Patent 9,596,571, 2017 - Google Patents
A method for estimating the location of a wireless terminal is disclosed that is based on
using: the known location of one or more devices, empirical data that indicates the relative …
using: the known location of one or more devices, empirical data that indicates the relative …
Location estimation of wireless terminals through pattern matching of deduced and empirical signal-strength measurements
DS Spain Jr, RL Martin, TK Bhattacharya - US Patent 7,116,987, 2006 - Google Patents
(57) ABSTRACT A method of estimating the location of a wireless terminal is disclosed. The
illustrative embodiment of the present inven tion is based on the observation that the signal …
illustrative embodiment of the present inven tion is based on the observation that the signal …
Location estimation of wireless terminals in a multi-story environment
AS Krishnakumar, P Krishnan - US Patent 7,272,394, 2007 - Google Patents
(57) ABSTRACT A method and apparatus are disclosed for estimating the location of a
Wireless terminal across multiple building? oors. The illustrative embodiment determines …
Wireless terminal across multiple building? oors. The illustrative embodiment determines …
Estimating whether a wireless terminal is indoors using pattern classification
TK Bhattacharya, HM El-Sallabi, SD Gordon… - US Patent …, 2013 - Google Patents
(57) ABSTRACT A method and apparatus for estimating whether or not a wireless terminal is
indoors are disclosed. The illustrative embodiment employs a pattern classifier that is trained …
indoors are disclosed. The illustrative embodiment employs a pattern classifier that is trained …