Patent ID: 8949927
Filing Date: 2015-02-03
Classification: H04L,H04W

Abstract:
1. A method of managing security for a connection between a user device and an Long Term Evolution (LTE) communications network comprising at least one Evolved Universal Terrestrial Radio Access Network (E-UTRAN) base station and a core network, the method comprising: receiving, at the core network, security capability information for the user device connecting to the communications network; obtaining security capability information for one base station of the at least one base stations; processing, at the core network, the security capability information for the user device and the security capability information for the base station to select a plurality of preferred security policies for a connection between the user device and the base station; and transmitting the selected plurality of preferred security policies to the base station as a list of preferred security policies from which said base station can select a security policy, wherein the selected security policy relates to at least one of a Radio Resource Control (RRC), a User Plane (UP), and a Non-Access Stratum (NAS) security algorithm selection.