US 12,382,283 B2
Core network device, communication terminal, communication system, authentication method, and communication method
Naoaki Suzuki, Tokyo (JP); Toshiyuki Tamura, Tokyo (JP); and Anand Raghawa Prasad, Tokyo (JP)
Assigned to NEC CORPORATION, Tokyo (JP)
Appl. No. 17/280,247
Filed by NEC Corporation, Tokyo (JP)
PCT Filed Sep. 25, 2019, PCT No. PCT/JP2019/037495
§ 371(c)(1), (2) Date Mar. 26, 2021,
PCT Pub. No. WO2020/067112, PCT Pub. Date Apr. 2, 2020.
Claims priority of application No. 2018-185420 (JP), filed on Sep. 28, 2018.
Prior Publication US 2022/0046416 A1, Feb. 10, 2022
Int. Cl. H04W 12/06 (2021.01); H04W 12/08 (2021.01); H04W 60/00 (2009.01); H04W 84/04 (2009.01)
CPC H04W 12/06 (2013.01) [H04W 12/08 (2013.01); H04W 60/00 (2013.01); H04W 84/042 (2013.01)] 14 Claims
OG exemplary drawing
 
1. A communication apparatus comprising:
at least one memory storing instructions; and
at least one processor configured to execute the instructions:
to receive, from a communication terminal, a Registration Request message including Requested Network Slice Selection Assistance Information (Requested NSSAI) and capability information of the communication terminal, the capability information of the communication terminal indicating whether the communication terminal is capable of performing Slice-Specific Authentication and Authorization,
to perform a procedure related to the Slice-Specific Authentication and Authorization if the capability information indicates that the communication terminal is capable of performing the Slice-Specific Authentication and Authorization, and
not to perform the procedure related to the Slice-Specific Authentication and Authorization if the capability information indicates that the communication terminal is not capable of performing the Slice-Specific Authentication and Authorization.