IPC Subgroup
H04W 40/02 Communication route or path selection, e.g. power-based or shortest path routing
Introduced: January 2009
Full Title
Communication routing or communication path finding > Communication route or path selection, e.g. power-based or shortest path routing
Classification Context
- Section:
- ELECTRICITY
- Class:
- ELECTRIC COMMUNICATION TECHNIQUE
- Subclass:
- WIRELESS COMMUNICATION NETWORKS
5 direct subcodes
Child Classifications
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- H04W 40/04 based on wireless node resources
- H04W 40/12 based on transmission quality or channel quality
- H04W 40/18 based on predicted events
- H04W 40/2 based on geographic position or location
- H04W 40/22 using selective relaying for reaching a BTS [Base Transceiver Station] or an access point
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