H04W 28/02 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
Classification Context
- Section:
- ELECTRICITY
- Class:
- ELECTRIC COMMUNICATION TECHNIQUE
- Subclass:
- WIRELESS COMMUNICATION NETWORKS
Filing statistics
IPC H04W 28/02 belongs to the parent subclass H04W, which recorded 1,086,704 patent applications worldwide between 2013 and 2023. Annual filings grew from 75,401 in 2013 to 101,506 in 2023 (+35%), peaking at 118,355 applications in 2021. The most active applicants in class H04 are QUALCOMM (97,396 applications), HUAWEI TECHNOLOGIES COMPANY (96,502 applications) and SAMSUNG ELECTRONICS COMPANY (86,981 applications).
Source: EPO PATSTAT, worldwide filings
Additional Content
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
4 direct subcodes
Child Classifications
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- H04W 28/04 Error control
- H04W 28/06 Optimising, e.g. header compression, information sizing
- H04W 28/08 Load balancing or load distribution
- H04W 28/1 Flow control
Top Applicants
Top 10 applicants by patent filingsfor 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