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:
Jun. 02, 2015
Filed:
Mar. 17, 2011
Applicants:
Tomu Tamura, Minato-ku, JP;
Yoshio Ueda, Minato-ku, JP;
Inventors:
Tomu Tamura, Minato-ku, JP;
Yoshio Ueda, Minato-ku, JP;
Assignee:
NEC CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04W 60/04 (2009.01); H04W 12/10 (2009.01); H04W 12/02 (2009.01); H04W 12/04 (2009.01); H04W 84/04 (2009.01);
U.S. Cl.
CPC ...
H04W 60/04 (2013.01); H04W 12/04 (2013.01); H04W 12/10 (2013.01); H04W 84/045 (2013.01); H04W 12/02 (2013.01);
Abstract
A gateway device connects a base station to a core network. The gateway device has a communication unit that receives, from a mobile management server in the core network, a key that cancels ciphering that was set in an NAS message that was received from a terminal that is subordinate to the base station.