The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jun. 19, 2018

Filed:

Feb. 01, 2017
Applicant:

International Business Machines Corporation, Armink, NY (US);

Inventors:

Aharon Abadi, Petach Tikva, IL;

Roie Melamed, Haifa, IL;

Natalie Shapira, Moshav Hadid, IL;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04W 24/00 (2009.01); G01S 5/02 (2010.01); H04W 4/02 (2018.01); H04W 84/12 (2009.01);
U.S. Cl.
CPC ...
G01S 5/021 (2013.01); H04W 4/027 (2013.01); H04W 4/028 (2013.01); H04W 84/12 (2013.01);
Abstract

A computerized method of improving position measurement of an indoor positioning system (IPS), comprising: gathering a plurality of position samples of a mobile device measured by an indoor wireless device, each of the position samples is indicative of a measured position and a measurement time; estimating a movement direction of the mobile device from the plurality of position samples; receiving a current position sample of the mobile device; estimating a temp movement direction of the mobile device from at least one of the plurality of position samples and the current position sample; and when the temp movement direction is identified as false, marking the current position sample as noise.


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