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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.:

US 11671503 B1

PDFFull Text
Date of Patent:
Jun. 06, 2023

Filed:

May. 24, 2022

Group communication and service optimization system

Applicant:

At&t Intellectual Property I, L.p., Atlanta, GA (US);

Inventors:

Xiaoming Zhao, Plano, TX (US);

Jianrong Wang, Issaquah, WA (US);

Donald C. Hjort, Issaquah, WA (US);

Mark Wardell, Lynnwood, WA (US);

Assignee:

AT&T Intellectual Property I, L.P., Atlanta, GA (US);

Attorneys:

Guntin & Gust, PLC

Jay H. Anderson.

Primary Examiner:

Brendan Y Higa

Int. Cl.
CPC ...
H04W 4/02 (2018.01); H04W 60/00 (2009.01); H04W 4/08 (2009.01); H04W 36/00 (2009.01); H04W 4/029 (2018.01); H04W 76/45 (2018.01); H04W 64/00 (2009.01); H04L 67/148 (2022.01); H04L 67/1004 (2022.01); H04L 12/18 (2006.01); H04L 47/2491 (2022.01); H04L 65/1073 (2022.01); H04L 9/40 (2022.01); H04W 8/06 (2009.01); H04L 65/1063 (2022.01); H04L 67/1021 (2022.01);
U.S. Cl.
CPC ...
H04L 67/148 (2013.01); H04L 9/40 (2022.05); H04L 12/1822 (2013.01); H04L 47/2491 (2013.01); H04L 63/104 (2013.01); H04L 65/1063 (2013.01); H04L 65/1073 (2013.01); H04L 67/1004 (2013.01); H04L 67/1021 (2013.01); H04W 4/025 (2013.01); H04W 4/029 (2018.02); H04W 4/08 (2013.01); H04W 8/065 (2013.01); H04W 36/0009 (2018.08); H04W 60/00 (2013.01); H04W 64/003 (2013.01); H04W 76/45 (2018.02);
Abstract

A method for optimizing group communication services, the method including determining a current location and an assigned home server for one or more devices associated with each of a plurality of group members, determining whether the one or more devices of the plurality of group members has moved to a visiting location, wherein the visiting location is a location outside of locations associated with the assigned home server based on the current location and assigned home server for the one or more devices, and assigning a group control application server associated with the visiting location to the to the one or more devices to serve as the assigned home server.

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