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:
Feb. 26, 2013
Filed:
Jul. 19, 2010
Jui-tang Wang, Keelung, TW;
Chi-chung Chen, Zhubei, TW;
Kuei-li Huang, Kaohsiung, TW;
Chien-chao Tseng, Hsinchu, TW;
Cheng-yuan Ho, Taipei, TW;
Jui-Tang Wang, Keelung, TW;
Chi-Chung Chen, Zhubei, TW;
Kuei-Li Huang, Kaohsiung, TW;
Chien-Chao Tseng, Hsinchu, TW;
Cheng-Yuan Ho, Taipei, TW;
Industrial Technology Research Institute, Hsinchu, TW;
Abstract
A method for preparing for handover of an apparatus from a first wireless network to a second, different wireless network, a master session key (MSK) having been generated during establishment of a connectivity of the apparatus to the first wireless network includes detecting signals of the second wireless network. In response thereto, establishing a connectivity of the apparatus to the second wireless network, using a pairwise master key (PMK) derived from the MSK generated during establishment of the connectivity to the first wireless network, one or more encryption keys being derivable from the PMK to support secure communication over the second wireless network.