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:
Jul. 31, 2012
Filed:
Dec. 21, 2004
Maged Zaki, Pierrefonds, CA;
Juan Carlos Zuniga, Montreal, CA;
Marian Rudolf, Montreal, CA;
Shamim Akbar Rahman, Montreal, CA;
Kamel M. Shaheen, King of Prussia, PA (US);
Alan Gerald Carlton, Mineola, NY (US);
Maged Zaki, Pierrefonds, CA;
Juan Carlos Zuniga, Montreal, CA;
Marian Rudolf, Montreal, CA;
Shamim Akbar Rahman, Montreal, CA;
Kamel M. Shaheen, King of Prussia, PA (US);
Alan Gerald Carlton, Mineola, NY (US);
InterDigital Technology Corporation, Wilmington, DE (US);
Abstract
This invention relates to wireless local area networks (WLANs), and the interoperability of networks of different types or conforming to different standards, and to methods and apparatus to allow a multimode wireless transmit/receive unit (WTRU), which is able to operate in more than one type of network, to handover from one network type to another without adversely affecting service, utilizing a mechanism and information flows implemented in a new protocol stack.