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:
Dec. 05, 2017

Filed:

Dec. 30, 2014
Applicant:

Philips Lighting Holding B.v., Eindhoven, NL;

Inventors:

Ashish Vijay Pandharipande, Eindhoven, NL;

Hongming Yang, Eindhoven, NL;

Xiangyu Wang, Eindhoven, NL;

Armand Michel Marie Lelkens, Heerlen, NL;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04W 64/00 (2009.01); G01C 21/20 (2006.01); G01S 1/68 (2006.01); G01S 1/70 (2006.01); G01S 1/72 (2006.01); G01S 5/00 (2006.01); G01S 5/16 (2006.01); G01S 5/18 (2006.01); G01S 1/74 (2006.01); H04W 4/04 (2009.01); H04W 52/02 (2009.01); H04W 4/02 (2009.01);
U.S. Cl.
CPC ...
H04W 64/00 (2013.01); G01C 21/206 (2013.01); G01S 1/68 (2013.01); G01S 1/70 (2013.01); G01S 1/725 (2013.01); G01S 1/74 (2013.01); G01S 5/0036 (2013.01); G01S 5/16 (2013.01); G01S 5/18 (2013.01); H04W 4/023 (2013.01); H04W 4/043 (2013.01); H04W 52/0225 (2013.01); Y02B 60/50 (2013.01);
Abstract

A location system comprising: a location network comprising a plurality of reference nodes and at least one controller. Each reference node is operable to transmit a respective beaconing signal from which a respective measurement can be taken by a mobile device for use in determining a location of the mobile device. The at least one controller is configured to control whether and/or how often one or more signals of the location system are transmitted to be used in determining the location of the mobile device, the control being based on feedback from at least one determination of the location of the mobile device relative to the reference nodes.


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