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:
Mar. 06, 2012
Filed:
Aug. 21, 2008
Shin-yan Chiou, Jhubei, TW;
Hung-min Sun, Hsinchu, TW;
Shih-ying Chang, Nantou, TW;
Yue-hsun Lin, Chiayi, TW;
Shin-Yan Chiou, Jhubei, TW;
Hung-Min Sun, Hsinchu, TW;
Shih-Ying Chang, Nantou, TW;
Yue-Hsun Lin, Chiayi, TW;
Industrial Technology Research Institute, Hsinchu, TW;
Abstract
A handover authentication method includes performing, by a wireless network server, a first authentication between a client and the wireless network server via a first network gateway; obtaining first authentication keys for the wireless network server and the client based on the first authentication; determining, by the wireless network server, a need to handover the client from the first network gateway to a second network gateway; deriving, by the wireless network server and from the first authentication keys, a handover authentication key shared by the client and the wireless network server; obtaining, by the wireless network server, second authentication keys for the network server and the client; and serving, by the wireless network server, the client via the second network gateway.