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DIFF Subgroup
H04W 92/04

Interfaces between hierarchically different network devices

Introduced: January 2009

Full Title

Interfaces specially adapted for wireless communication networks > Interfaces between hierarchically different network devices

Of 6 combined children, 5 exist in both systems.

1 codes are CPC-only extensions.

IPC defines codes here since 2009.

Child Classifications

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  • H04W 92/045 CPC only CPC only
  • H04W 92/06 between gateways and public network devices since 2009 IPC+CPC Available in IPC and CPC
  • H04W 92/08 between user and terminal device since 2009 IPC+CPC Available in IPC and CPC
  • H04W 92/10 between terminal device and access point, i.e. wireless air interface since 2009 IPC+CPC Available in IPC and CPC
  • H04W 92/12 between access points and access point controllers since 2009 IPC+CPC Available in IPC and CPC
  • H04W 92/14 between access point controllers and backbone network device since 2009 IPC+CPC Available in IPC and CPC