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IPC Subgroup
H04W 52/3

using constraints in the total amount of available transmission power

Introduced: January 2009

Full Title

Power management > Transmission power control [TPC] > using constraints in the total amount of available transmission power

Classification Context

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

3 direct subcodes

Child Classifications

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  • H04W 52/32 TPC of broadcast or control channels
  • H04W 52/34 TPC management, i.e. sharing limited amount of power among users or channels or data types, e.g. cell loading
  • H04W 52/36 with a discrete range or set of values, e.g. step size, ramping or offsets

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