CPC Subgroup
H04W 52/38 TPC being performed in particular situations
Full Title
Power management > Transmission power control [TPC] > TPC being performed in particular situations
8 direct subcodes
Child Classifications
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- H04W 52/40 during macro-diversity or soft handoff
- H04W 52/42 in systems with time, space, frequency or polarisation diversity
- H04W 52/44 in connection with interruption of transmission
- H04W 52/46 in multi-hop networks, e.g. wireless relay networks
- H04W 52/48 during retransmission after error or non-acknowledgment
- H04W 52/50 at the moment of starting communication in a multiple access environment
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