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. 29, 2015
Filed:
Sep. 11, 2012
Abhishek Sen, San Jose, CA (US);
Anush G. Nadathur, San Jose, CA (US);
Madhusudan Chaudhary, Campbell, CA (US);
Matthew S. Klahn, San Francisco, CA (US);
Sang Ho Baek, Palo Alto, CA (US);
Vikram B. Yerrabommanahalli, Sunnyvale, CA (US);
Abhishek Sen, San Jose, CA (US);
Anush G. Nadathur, San Jose, CA (US);
Madhusudan Chaudhary, Campbell, CA (US);
Matthew S. Klahn, San Francisco, CA (US);
Sang Ho Baek, Palo Alto, CA (US);
Vikram B. Yerrabommanahalli, Sunnyvale, CA (US);
Apple Inc., Cupertino, CA (US);
Abstract
A method for implementing mobile device-initiated inter-radio access technology (I-RAT) handovers between networks includes a wireless device communicating with a first network using an internet protocol (IP) address that was received from the first network during an initial attachment procedure. The wireless device may initiate an I-RAT handover procedure to connect to a second wireless network using a configuration message that includes a handover attach type. Once the connection with the second network is established, the wireless device may receive the information from the second wireless network using the same IP address. The wireless device may force the wireless device into dormancy and prevent data transfer, and initiate another I-RAT handover procedure to upgrade and connect to the first network, by sending an attach request message that includes a handover attach type.