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. 04, 2014
Filed:
Apr. 20, 2009
Karl Torbjörn Wigren, Uppsala, SE;
Liang Shi, Shanghai, CN;
Karl Torbjörn Wigren, Uppsala, SE;
Liang Shi, Shanghai, CN;
Telefonaktiebolaget L M Ericsson (publ), Stockholm, SE;
Abstract
In a method of improved clustering for providing position determination assisting data in a cellular communication system, providing (S) a plurality of clusters of points, said points being results of high-precision reference measurements, said points of each of said cluster having the same unique radio fingerprinting tag, identifying (S) a target cluster, said target cluster having a number of points less than a predetermined threshold. Finally, merging (S) said target cluster with at least one adjacent cluster of said provided plurality of clusters to provide a merged cluster with an increased number of high-precision reference measurements.