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:
May. 15, 2007
Filed:
Oct. 09, 2001
Mohamed Khalil, Murphy, TX (US);
Haseeb Akhtar, Garland, TX (US);
Krishnakumar Pillai, Dallas, TX (US);
Emad A. Qaddoura, Plano, TX (US);
Mohamed Khalil, Murphy, TX (US);
Haseeb Akhtar, Garland, TX (US);
Krishnakumar Pillai, Dallas, TX (US);
Emad A. Qaddoura, Plano, TX (US);
Nortel Networks Limited, St. Laurent, Quebec, CA;
Abstract
The invention provides for an improved method and system of registration and hand-off procedures for a mobile node in a packet-based communication network. The present invention obtains expanded addresses over past systems. The invention can also use serving mobility managers to obtain a care-of address to route data-packets while on the foreign sub-network. The invention improves efficiency and reduces message overhead during registration and hand-off.