7.11 User authentication and authorization for MCData service

23.2823GPPFunctional architecture and information flows to support Mission Critical Data (MCData)Release 18Stage 2TS

NOTE: Flow 7.11-1 is a high level user authentication and authorization flow. 3GPP TS 33.180 [13] defines the specific user authentication and authorization architecture required by the MCData service in order to realize the MCData user authentication and authorization requirements as defined in 3GPP TS 22.280 [2].

A procedure for user authentication is illustrated in figure 7.11-1. The user authentication is performed based on the procedure specified in subclause 10.6 of 3GPP TS 23.280 [5].

Figure 7.11-1: MCData user authentication and registration, single domain

1. The user authentication is performed as per the general user authentication procedure specified in subclause 10.6 of 3GPP TS 23.280 [5].

2. MCData client performs the MCData service authorization for the user. Step 2 utilizes the results of step 1.