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.
Patent No.:
Date of Patent:
Mar. 17, 2015
Filed:
Aug. 31, 2012
Antti Hiltunen, Oulu, FI;
Antti Hiltunen, Oulu, FI;
9Solutions Oy, Oulu, FI;
Abstract
This document presents a location tracking system comprising a plurality of location tracking nodes disposed to cover an area where the location tracking is to be carried out, at least one mobile tag configured to communicate with at least one of said plurality of location tracking nodes at a time for location tracking purposes, and a control apparatus configured to control operational parameters of the plurality of location tracking nodes and the at least one mobile tag. The control apparatus and the plurality of location tracking nodes are configured to carry out an automatic calibration phase during operation of the location tracking system the location tracking nodes transmit and receive test signals between the neighboring nodes, and report measurement results to the control apparatus. The control apparatus then optimizes the operation parameters of the location tracking system on the basis of received measurement reports.