Cisco Cisco Packet Data Interworking Function (PDIF)
HNB-GW Administration Guide, StarOS Release 16 ▄
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Chapter 2
Understanding the Service Operation
The system provides wireless carriers with a flexible solution for providing Security Gateway (SeGW) and Home-
NodeB Gateway (HNB-GW) functionality for 3G UMTS networks.
NodeB Gateway (HNB-GW) functionality for 3G UMTS networks.
The system functioning as an HNB-GW is capable of supporting the following types of subscriber sessions:
CS Session over IuCS: The subscriber is provided voice, video, and CS data service on circuit switch session
through MSC in CS network.
PS Session over IuPS: The subscriber is provided packet switch connection with different traffic class on PS
session with GSN in PS.
Network-initiated Sessions: Network-initiated session procedures include Paging, RANAP-Reset, Service RNS
Relocation etc. from CN side on HNB-GW for a specific subscriber session and in turn HNB-GW initiates the
required procedures with HNBs and CNs.
required procedures with HNBs and CNs.
Prior to connecting to the command line interface (CLI) and beginning the system's configuration, there are important
things to understand about how the system supports these applications. This chapter provides terminology and
background information that must be considered before attempting to configure the system.
things to understand about how the system supports these applications. This chapter provides terminology and
background information that must be considered before attempting to configure the system.