DIFF Main Group
H04W 48/00 Access restriction (access security to prevent unauthorised access H04W12/08); Network selection; Access point selection
Introduced: January 2009
Title
Titles differ between systems:
IPC: Access restriction; Network selection; Access point selection
CPC: Access restriction (access security to prevent unauthorised access H04W12/08); Network selection; Access point selection
Full Title
Full titles differ between systems:
IPC:
Access restriction; Network selection; Access point selection
CPC:
Access restriction (access security to prevent unauthorised access H04W12/08); Network selection; Access point selection
Of 6 combined children, 5 exist in both systems.
1 codes are CPC-only extensions.
2 shared codes have differing titles between IPC and CPC.
IPC defines codes here since 2009.
Child Classifications
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- H04W 48/02 Access restriction performed under specific conditions since 2009 IPC+CPC Available in IPC and CPC
- H04W 48/08 Access restriction or access information delivery, e.g. discovery data delivery (signalling during connection H04W76/00) since 2009 IPC+CPC Available in IPC and CPC
- H04W 48/16 Discovering, processing access restriction or access information since 2009 IPC+CPC Available in IPC and CPC
- H04W 48/18 Selecting a network or a communication service since 2009 IPC+CPC Available in IPC and CPC