23.0023GPPNetwork architectureRelease 17TS
The configuration of the PSS entities for GPRS and EPS is represented in figures 5.19-1 and 5.19-2 respectively. PSS for GPRS supports UTRAN and GERAN. PSS for EPS supports E-UTRAN, UTRAN and GERAN. Further details of the PSS Service are described in TS 26.233 .
Figure 5.19-1: PSS Service Architecture for GPRS
Figure 5.19-2: PSS Service Architecture for EPS