US 11,722,897 B2
Integrity protection for user plane data in 5G network
Hironori Ito, Tokyo (JP); Anand Raghawa Prasad, Tokyo (JP); Sivabalan Arumugam, Tamil Nadu (IN); Takahito Yoshizawa, Heidelberg (DE); Sivakamy Lakshminarayanan, Tamil Nadu (IN); and Sheeba Backia Mary Baskaran, Tamil Nadu (IN)
Assigned to NEC CORPORATION, Tokyo (JP)
Filed by NEC Corporation, Tokyo (JP)
Filed on Dec. 2, 2021, as Appl. No. 17/540,455.
Application 17/540,455 is a continuation of application No. 16/969,363, abandoned, previously published as PCT/JP2019/004247, filed on Feb. 6, 2019.
Claims priority of application No. 201841005966 (IN), filed on Feb. 16, 2018.
Prior Publication US 2022/0095113 A1, Mar. 24, 2022
Int. Cl. H04L 29/00 (2006.01); H04W 12/106 (2021.01)
CPC H04W 12/106 (2021.01) 12 Claims
OG exemplary drawing
 
1. A method of a User Equipment (UE), the method comprising:
sending, to a Radio Access Node (RAN) node, first integrity algorithm information in UE security capability information for User Plane (UP) integrity protection during a registration procedure;
receiving, from the RAN node, second integrity algorithm information for the UP integrity protection based on a decision of the RAN node; and
executing the UP integrity protection of data between the UE and the RAN node using a Message Authentication Code for Integrity (MAC-I) based on the second integrity algorithm information.