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:
Apr. 07, 2015
Filed:
May. 11, 2010
Applicants:
Ari Henrik Hamalainen, Vantaa, FI;
Ilari Aleksi Teikari, Helsinki, FI;
Inventors:
Ari Henrik Hamalainen, Vantaa, FI;
Ilari Aleksi Teikari, Helsinki, FI;
Assignee:
Nokia Corporation, Espoo, FI;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L 1/02 (2006.01); H04L 27/26 (2006.01); H04L 25/02 (2006.01);
U.S. Cl.
CPC ...
H04L 27/2647 (2013.01); H04L 25/022 (2013.01); H04L 27/2662 (2013.01);
Abstract
A method, comprising: periodically enabling reception of a signal at a receiver, every first time; transforming the received signal in order to determine data in the received signal; comparing the determined data with reference data; and using the difference between the determined data and the reference data to estimate a correction to a multiple of the first time in order to determine a distance between the receiver and an origin of the signal.