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:
Sep. 26, 2017

Filed:

Oct. 08, 2014
Applicant:

Mediatek Singapore Pte. Ltd., Singapore, SG;

Inventors:

Chao-Chun Wang, Taipei, TW;

Chih-Shi Yee, Hsinchu County, TW;

Ching-Hwa Yu, Tainan, TW;

James June-Ming Wang, San Marino, CA (US);

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H04W 4/00 (2009.01); H04W 4/08 (2009.01); H04W 4/02 (2009.01); H04W 64/00 (2009.01); G01S 5/00 (2006.01); G01S 5/02 (2010.01); G01S 5/14 (2006.01); H04W 84/12 (2009.01);
U.S. Cl.
CPC ...
H04W 4/08 (2013.01); G01S 5/0027 (2013.01); G01S 5/0289 (2013.01); G01S 5/14 (2013.01); H04W 4/02 (2013.01); H04W 64/00 (2013.01); H04W 84/12 (2013.01);
Abstract

A method of group-based location service is proposed. A wireless station initiates a ranging process with a plurality of wireless communications devices in a wireless local area network. The station belongs to a group of wireless stations. The station exchanges measurement frames with the plurality of wireless communications devices during the ranging process. The station then computes a plurality of distances to each of the plurality of wireless communications devices and thereby determining an absolute location of the station. Finally, the station informs the absolute location to a group owner of the group of wireless stations.


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