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:
Oct. 27, 2020

Filed:

Aug. 04, 2017
Applicant:

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

Inventor:

Masayuki Murata, Tokyo, JP;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H04W 24/00 (2009.01); H04W 4/02 (2018.01); G01S 5/02 (2010.01);
U.S. Cl.
CPC ...
H04W 4/027 (2013.01); G01S 5/021 (2013.01); G01S 5/0252 (2013.01); G01S 5/0278 (2013.01);
Abstract

A computer-implemented method includes acquiring a plurality of received signal strength indicators obtained by a target wireless terminal which observes a plurality of wireless signals transmitted from a plurality of transmitters, selecting a set of received signal strength indicators which is a portion of the plurality of received signal strength indicators, acquiring a set of reference received signal strength indicators corresponding to the set of received signal strength indicators, from a database of a plurality of reference received signal strength indicators that serve as a reference for the plurality of received signal strength indicators, and estimating a received signal strength indicator offset of the target wireless terminal, based on the set of received signal strength indicators and the set of reference received signal strength indicators.


Find Patent Forward Citations

Loading…