Traffic management, e.g. flow control or congestion control

Introduced: January 2009

Full Title

Network traffic management; Network resource management > Traffic management, e.g. flow control or congestion control

Additional Content IPC

flow control techniques and arrangements to regulate the amount of traffic information in the network congestion control techniques and arrangements whereby traffic information is transmitted over alternative transmission paths for balancing the load or when a preferred or desired path is unavailable due to excessive traffic carried over said path

CPC subdivides this area 4x more granularly than IPC with 13 additional codes.

13 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 28/0205 CPC only CPC only
H04W 28/021 CPC only CPC only
H04W 28/0215 +1 CPC CPC only CPC only
H04W 28/0226 CPC only CPC only
H04W 28/0231 +2 CPC CPC only CPC only
H04W 28/0247 CPC only CPC only
H04W 28/0252 +2 CPC CPC only CPC only
H04W 28/0268 CPC only CPC only
H04W 28/0273 CPC only CPC only
H04W 28/0278 CPC only CPC only
H04W 28/0284 CPC only CPC only
H04W 28/0289 CPC only CPC only
H04W 28/0294 CPC only CPC only
H04W 28/04 Error control since 2009 IPC+CPC Available in IPC and CPC
H04W 28/06 Optimizing , e.g. header compression, information sizing since 2009 +1 CPC IPC+CPC Available in IPC and CPC
H04W 28/08 Load balancing or load distribution (transferring a connection for handling the traffic H04W36/22; wireless traffic scheduling H04W72/12) since 2009 +7 CPC IPC+CPC Available in IPC and CPC
H04W 28/10 Flow control since 2009 IPC+CPC Available in IPC and CPC

Top Applicants

Top Applicants (IPC)

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

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

Top Applicants (CPC)

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

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