For the purposes of the present document, the following terms and definitions given in
TS 23.234 apply.
3GPP - WLAN Interworking
External IP Network/External Packet Data Network
Home WLAN
Interworking WLAN
Offline charging
Online charging
PS based services
Service Authorization
Visited WLAN
WLAN-UE
In addition, for the purposes of the present document, the following terms and definitions given in
TS 23.141 apply.
For the purposes of the present document, the following symbols apply:
Dw
Reference point between the 3GPP AAA Server and an SLF
Wa
Reference point between a WLAN Access Network and a 3GPP AAA Proxy in the roaming case and a 3GPP AAA Server in the Non-Roaming case (charging and control signalling)
Wd
reference point between a 3GPP AAA Proxy and a 3GPP AAA Server (charging and control signalling)
Wg
Reference point between a 3GPP AAA Server/Proxy and a 3GPP WAG
Wm
Reference point between a Packet Data Gateway and a 3GPP AAA Server
Wn
Reference point between a WLAN Access Network and a 3GPP WAG
Wx
Reference point between an HSS and a 3GPP AAA Server
Pr
Reference point between a 3GPP AAA Server and a PNA
For the purposes of the present document, the following abbreviations apply:
AAA
Authentication, Authorization and Accounting
AVP
Attribute Value Pair
CCF
Charging Collection Function
CG
Charging Gateway
EAP
Extensible Authentication Protocol
HSS
Home Subscriber Server
IMS
IP Multimedia Subsystem
OCS
On-line Charging System
PDG
Packet Data Gateway
PNA
Presence Network Agent
RADIUS
Remote Authentication Dial In User Service
WAG
WLAN Access Gateway
WLAN AN
WLAN Access Network
WLAN
Wireless Local Area Network
WLAN-UE
WLAN User Equipment