Page 162 - From GMS to LTE

148 From GSM to LTE-Advanced Pro and 5G

MSC SGSN
Iu(ps)
Iu(cs)
Iu-FP
Iu-FP GTP
AAL2 / IP
UDP/IP
AAL5 / IP
RNC

Iur
Iub Iur-FP
Iub-FP AAL2 / IP
AAL2 / IP RNC

Iub
Node-B

Figure 3.18 RNC protocols and interfaces for user data (user plane).

MSC SGSN

Iu(cs) Iu(ps)
RANAP RANAP
SCCP SCCP
SCTP, M3UA SCTP, M3UA
AAL5 / IP RNC AAL5 / IP

Iur
Iub
RNSAP
NBAP
SCCP RNC
SCTP
SCTP, M3UA
AAL5 / IP
AAL5 / IP
Iub
Node-B

Figure 3.19 RNC protocols and interfaces used for signaling (control plane).