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:
Jan. 16, 2018
Filed:
Oct. 22, 2009
Pradeep Dakshayani, Hudson, NH (US);
Vinod Kamalaraj, Shirley, MA (US);
Jacob Eipe, Nashua, NH (US);
Mruthyunjaya Navali, Westford, MA (US);
Ravi Chamarty, Waltham, MA (US);
Lingesh Munagala, Nashua, NH (US);
Pradeep Dakshayani, Hudson, NH (US);
Vinod Kamalaraj, Shirley, MA (US);
Jacob Eipe, Nashua, NH (US);
Mruthyunjaya Navali, Westford, MA (US);
Ravi Chamarty, Waltham, MA (US);
Lingesh Munagala, Nashua, NH (US);
Cisco Technology, Inc., San Jose, CA (US);
Abstract
Some embodiments provide methods for selecting tracking areas, including: receiving a plurality of messages from a plurality of base transceiver stations, each message including a list of tracking areas handled by the base transceiver station from which the message is received; performing domain name system queries for the tracking areas to retrieve information identifying serving gateways serving the tracking areas; based on the information identifying serving gateways, storing, in a local memory, a list of tracking area identities handled by each identified serving gateway; receiving a message from user equipment indicating a first tracking area; selecting at least one tracking area handled by a serving gateway serving the first tracking area based on the list of tracking areas handled by each identified serving gateway stored in the memory; and sending a tracking area identity list to the user equipment based on the selected at least one tracking area.