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. 01, 2022
Filed:
Jan. 17, 2018
Nec Corporation, Tokyo, JP;
Hironori Ito, Tokyo, JP;
Anand Raghawa Prasad, Tokyo, JP;
Sivabalan Arumugam, Chennai, IN;
Sivakamy Lakshminarayanan, Chennai, IN;
Naoaki Suzuki, Tokyo, JP;
Andreas Kunz, Heidelberg, DE;
NEC CORPORATION, Tokyo, JP;
Abstract
The present disclosure aims to provide a communication system capable of achieving advanced security in a 5G communication system. The communication system according to the present disclosure includes: a communication terminal (); an Access and Mobility Management (AMF) entity () configured to execute Mobility Management (MM) processing regarding the communication terminal (); and a Session Management Function (SMF) entity () configured to execute Session Management (SM) processing regarding the communication terminal (), in which the communication terminal () sends an MM message used in the MM processing, a first security key having been applied to the MM message, between the communication terminal and the AMF entity (), and sends an SM message used in the SM processing, a second security key having been applied to the SM message, between the communication terminal and the SMF entity () via the AMF entity ().