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:
Oct. 30, 2007
Filed:
Dec. 10, 2004
Ramanathan Jagadeesan, San Jose, CA (US);
Bich Nguyen, Los Altos, CA (US);
Andrew Chung, Fremont, CA (US);
Arthur G. Howarth, Orleans, CA;
Ramanathan Jagadeesan, San Jose, CA (US);
Bich Nguyen, Los Altos, CA (US);
Andrew Chung, Fremont, CA (US);
Arthur G. Howarth, Orleans, CA;
Cisco Technology, Inc., San Jose, CA (US);
Abstract
The present invention provides methods and devices using location detection to enable MMMDs to activate and tune to appropriate radios and networks. Some preferred embodiments use radio frequency identification ('RFID')—based location detection. Preferably, the location detection occurs at or near wireless domain boundaries. Some implementations employ proximity/boundary detection to enhance handoff triggers, which initiate handoff mechanisms between different networks, as an MMMD moves between wireless networks, via a wireless domain portal. Some implementations involve methods and devices for device validation and authorization. An MMMD is provided with local wireless network awareness, which may be used by the MMMD to have the appropriate radio turned on and properly tuned. Accordingly, the methods and devices of the present invention achieve power savings and improved handoff across networks.