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:
Feb. 11, 2014

Filed:

Jan. 10, 2013
Applicant:

Apple Inc., Cupertino, CA (US);

Inventors:

Joerg Becker, Markdorf, DE;

Martin Sauter, Markdorf, DE;

Timothy Longman, Chester, GB;

Assignee:

Apple Inc., Cupertino, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04B 7/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A method of managing a call group by a number of mobile devices in a mobile telecommunications network. The mobile telecommunications network includes a serving node in communication with the mobile devices. The method includes a network node identifying a radio access node adjacent a first radio access node. The method also includes a serving node creating the group call area on basis of the first and adjacent radio access nodes. The method also includes establishing a signalling channel within a cell corresponding to the adjacent radio access node. The signalling channel includes an identifier corresponding to the group call area. The radio access nodes, or base stations, that have established a data communications channel with the mobile communications device have traffic and signalling channels established therein and are marked as an active cell of the group call area.


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