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IPC Subgroup
H04W 52/18

TPC being performed according to specific parameters

Introduced: January 2009

Full Title

Power management > Transmission power control [TPC] > TPC being performed according to specific parameters

Classification Context

Section:
ELECTRICITY
Class:
ELECTRIC COMMUNICATION TECHNIQUE
Subclass:
WIRELESS COMMUNICATION NETWORKS

5 direct subcodes

Child Classifications

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  • H04W 52/2 using error rate
  • H04W 52/22 taking into account previous information or commands
  • H04W 52/24 using SIR [Signal to Interference Ratio] or other wireless path parameters
  • H04W 52/26 using transmission rate or quality of service QoS [Quality of Service]
  • H04W 52/28 using user profile, e.g. mobile speed, priority or network state, e.g. standby, idle or non-transmission

Top Applicants

Top 10 applicants by patent filingsfor class H04, 2013–2023, worldwide · Source: EPO PATSTAT

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