Page 268 - 5G Basics - Core Network Aspects
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1 Core network aspects
Appendix III
Mapping of baseline to next generation hotspot (NGH)/IMS
(This appendix does not form an integral part of this Recommendation.)
Figure III.1 provides reference architecture based on WFA/WBA Hotspot2.0 and IMS and shows how some of
the MC-ARCH FEs would map to potential technical solutions.
Applications Applications
Multi-connection
application support function SCC AS*
Multi-connection Service control function Multi-connection P/S/I-CSCF
control function control function
Multi-connection
Multi-connection media function SPR/HSS PCEF/BRAS
user profile
Multi-connection Transport function AAA server Transport function
policy control FE
Access control . . . Access control . . .
function 1 function n GAS server ePDG/WLG 1 ePDG/WLG 2
Multi-connection
coordination FE
Access . . . Access . . . AP2/Hotspot 2
Multi-connection network 1 network n AP1/Hotspot 1
registration FE
MUE UE*
Multi-connection Y.2027(12)_FIII.1
terminal control FE
Signal enhanced
In MC Other
Figure III.1 – Mapping of baseline to NGH/IMS
The functions marked with a star "*" refer to enhancement requirements in specific network elements, for
instance, UE* would be upgraded into MUE.
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