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 9413641 B1

PDF
Full Text
Expired
Date of Patent:
Aug. 09, 2016

Filed:

Nov. 22, 2013
Applicant:

General Dynamics Broadband Inc., San Francisco, CA (US);

Inventor:

Robert Zakrzewski, Bristol, GB;

Assignee:

General Dynamics C4 Systems, Inc., Scottsdale, AZ (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 12/28 (2006.01); H04L 12/703 (2013.01); H04W 24/04 (2009.01); H04L 12/46 (2006.01); H04L 12/26 (2006.01);
U.S. Cl.
CPC ...
H04L 45/28 (2013.01); H04L 12/4633 (2013.01); H04L 43/0805 (2013.01); H04W 24/04 (2013.01);
Abstract

A packet data network gateway, P-GW, is located in a second network for supporting control plane data in a wireless communications system that additionally comprises a first network having a first packet data network gateway, P-GW, operably couplable to the P-GW and a serving gateway, S-GW. The P-GW comprises a processor arranged to determine an operational status of at least one of: a backhaul link, first P-GW. In response to the processor determining that both of the backhaul link and the first P-GW are available, the processor is arranged to perform at least one of: trigger deferred signalling between the first network and at least one of a mobility management entity, MME, the S-GW; trigger user plane handling, monitor and build terminal device context information for a plurality of terminal devices being served with user plane data by the backhaul link of the second network.


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