Cisco Cisco Packet Data Gateway (PDG)
• Optionally performing paging optimization
Some of the features may not be available in this release. Kindly contact your local Cisco representative
for more information on supported features.
for more information on supported features.
Important
Protocol Architecture
This section provides a brief description and pictorial representation of protocol stacks for User as well as
Control planes in context to HeNB-GW.
Control planes in context to HeNB-GW.
Protocol Stacks for S1 User Plane
The S1-U data plane is defined between the HeNB, HeNB-GW and the S-GW. The figures below show the
S1-U protocol stack with and without the HeNB-GW.
S1-U protocol stack with and without the HeNB-GW.
Figure 2: User plane for S1-U interface for HeNB with HeNB-GW
The HeNB-GW may optionally terminate the user plane towards the HeNB and towards the S-GW, and
provide a relay function for relaying User Plane data between the HeNB and the S-GW.
provide a relay function for relaying User Plane data between the HeNB and the S-GW.
HeNB-GW Administration Guide, StarOS Release 19
3
HeNB Gateway in Wireless LTE Network
Protocol Architecture