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. 03, 2005
Filed:
Jun. 26, 2002
Shaowei Pan, Kildeer, IL (US);
Jinzhong Zhang, Barrington, IL (US);
Angel Favila, Lake in the Hills, IL (US);
Nicholas Labun, Chicago, IL (US);
Shaowei Pan, Kildeer, IL (US);
Jinzhong Zhang, Barrington, IL (US);
Angel Favila, Lake in the Hills, IL (US);
Nicholas Labun, Chicago, IL (US);
Motorola, Inc., Schaumburg, IL (US);
Abstract
The present invention provides a method and apparatus that enables handover of a mobile station between a cellular network and a wireless network without control intervention from the cellular network and independent of employed air interface technology. The signaling and control of a switch, for example SS7 messaging, is not required to achieve the handovers implemented by the present invention. In particular, a call is connected () between a mobile station () and a remote station () through a media gateway (). The media gateway is connected to the mobile station via a first connection line and to the remote station via a second connection line. Next, a communication directed to a predetermined number by the mobile station is received () or, in the alternative, a connection signal that includes a call header is sent to the mobile station. A third connection line between the media gateway and the mobile station is then established (). Thereafter, communication between the media gateway and the mobile station is handed-over () from the first connection line to the third connection line.