CPC Subgroup
H04L 47/10 Flow control; Congestion control
Full Title
Traffic control in data switching networks (arrangements for detecting or preventing errors in the information received H04L1/00) > Flow control; Congestion control
32 direct subcodes
Child Classifications
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- H04L 47/11 Identifying congestion
- H04L 47/12 Avoiding congestion; Recovering from congestion
- H04L 47/17 Interaction among intermediate nodes, e.g. hop by hop
- H04L 47/19 at layers above the network layer (network arrangements for networked applications for scheduling or organising the servicing of application requests H04L67/60)
- H04L 47/20 Traffic policing
- H04L 47/21 using leaky-bucket
- H04L 47/215 using token-bucket
- H04L 47/22 Traffic shaping
- H04L 47/24 Traffic characterised by specific attributes, e.g. priority or QoS
- H04L 47/25 with rate being modified by the source upon detecting a change of network conditions
- H04L 47/26 using explicit feedback to the source, e.g. choke packets
- H04L 47/27 Evaluation or update of window size, e.g. using information derived from acknowledged [ACK] packets
- H04L 47/28 in relation to timing considerations
- H04L 47/30 in combination with information about buffer occupancy at either end or at transit nodes
Top Applicants
Top 10 applicants by patent filingsfor 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