For the purposes of the present document, the terms and definitions given in TR 21.905
and the following apply. A term defined in the present document takes precedence over the definition of the same term, if any, in TR 21.905
PDN connection for emergency bearer services:
A PDN connection which was activated with request type "emergency" or "handover of emergency bearer services".
Single point-to-point connectivity:
The PDN connectivity service is provided by one point-to-point connectivity between the UE and the TWAG concatenated with S2a bearer(s) between the TWAG and the PDN GW.
Multiple bearer PDN connectivity:
The PDN connectivity service is provided by the multiple WLCP bearers per PDN connection where a separate WLCP bearer is established for the default S2a bearer, and for each dedicated S2a bearer established on the S2a interface between the TWAG and the PDN GW.
A bearer between the UE and the TWAG which has one-to-one mapping with the S2a bearer.
For the purposes of the present document, the abbreviations given in TR 21.905
and the following apply. An abbreviation defined in the present document takes precedence over the definition of the same abbreviation, if any, in TR 21.905
Access Point Name
Datagram Transport Layer Security
Extensible Authentication Protocol
Evolved Packet Core Network
Information Element Identifier
Least Significant Bit
Media Access Control
Most Significant Bit
Network-based IP flow mobility
Protocol Configuration Options
Packet Data Network
Packet Data Network Gateway
Procedure Transaction Identity
Trusted WLAN Access Gateway
Wireless Local Area Network
Wireless LAN control plane protocol