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DIFF Subgroup
H04W 28/08

Load balancing or load distribution (transferring a connection for handling the traffic H04W36/22; wireless traffic scheduling H04W72/12)

Introduced: January 2009

Title

Titles differ between systems:

IPC: Load balancing or load distribution

CPC: Load balancing or load distribution (transferring a connection for handling the traffic H04W36/22; wireless traffic scheduling H04W72/12)

Full Title

Full titles differ between systems:

IPC:

Network traffic management; Network resource management > Traffic management, e.g. flow control or congestion control > Load balancing or load distribution

CPC:

Network traffic management; Network resource management > Traffic management, e.g. flow control or congestion control > Load balancing or load distribution (transferring a connection for handling the traffic H04W36/22; wireless traffic scheduling H04W72/12)

CPC subdivides this area 3x more granularly than IPC with 7 additional codes.

7 codes are CPC-only extensions.

IPC defines codes here since 2023.

Child Classifications

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  • H04W 28/082 among bearers or channels since 2023 IPC+CPC Available in IPC and CPC
  • H04W 28/084 among network function virtualisation [NFV] entities; among edge computing entities, e.g. multi-access edge computing since 2023 IPC+CPC Available in IPC and CPC
  • H04W 28/0846 CPC only CPC only
  • H04W 28/0858 CPC only CPC only
  • H04W 28/0867 CPC only CPC only
  • H04W 28/0875 CPC only CPC only
  • H04W 28/088 among core entities since 2023 IPC+CPC Available in IPC and CPC

Top Applicants

Top Applicants (IPC)

Class H04,2013–2023, worldwide · Source: EPO PATSTAT

  1. QUALCOMM US 97,396
  2. HUAWEI TECHNOLOGIES COMPANY CN 96,502
  3. SAMSUNG ELECTRONICS COMPANY KR 86,981
  4. TELEFONAKTIEBOLAGET LM ERICSSON (PUBL) SE 55,869
  5. HUAWEI TECHNOLOGIES COMPANY 55,349
  6. LG ELECTRONICS KR 53,649
  7. CANON 33,341
  8. SONY CORPORATION JP 32,761
  9. ZTE CORPORATION CN 32,274
  10. GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORPORATION 28,327

Top Applicants (CPC)

Class H04,2013–2023, worldwide · Source: EPO PATSTAT

  1. HUAWEI TECHNOLOGIES COMPANY CN 101,476
  2. QUALCOMM US 101,139
  3. SAMSUNG ELECTRONICS COMPANY KR 96,655
  4. TELEFONAKTIEBOLAGET LM ERICSSON (PUBL) SE 57,744
  5. LG ELECTRONICS KR 55,253
  6. HUAWEI TECHNOLOGIES COMPANY 54,181
  7. SONY CORPORATION JP 35,309
  8. ZTE CORPORATION CN 32,950
  9. INTEL CORPORATION US 27,533
  10. GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORPORATION CN 27,498