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.:
Date of Patent:
Sep. 08, 2009
Filed:
Dec. 30, 2002
Richard Bianconi, Rowlett, TX (US);
Jay Armstrong, Plano, TX (US);
Paul Boudreaux, Garland, TX (US);
Richard Bianconi, Rowlett, TX (US);
Jay Armstrong, Plano, TX (US);
Paul Boudreaux, Garland, TX (US);
Nortel Networks Limited, St. Laurent, Quebec, CA;
Abstract
A method in an SGSN of a GPRS/UMTS network for wireless communications including a mobile node, the SGSN, a GGSN, an HLR, an SMS-G and a SMS-SC includes introducing a delay after a mobile node has attached and is connected to allow the delivery of SMS messages before initiating tear down procedures to place the mobile node in a standby mode of operation by tearing down the signaling links between the mobile node and the SGSN. Generally, the inventive process performed by the SGSN includes receiving, from the mobile node, an initial UE (attach request) message to establish a signaling link, authenticating the mobile node to determine whether to allow it to attach to the network, accepting and completing the attach, informing the HLR that the mobile node is attached and delaying the tear down of the signaling links for a period sufficient to enable the SMS-SC to deliver any queued SMS messages.