H04W 52/04
Transmission power control [tpc]
Official title: Transmission power control [TPC]
H04W52/04 (Transmission power control [tpc]) appears on 21,148 US grants and 24,099 published applications in this corpus.
Search patents in H04W- Granted patents
- 21,148
- Published applications
- 24,099
- Assignees
- 2,197
- Inventors
- 20,582
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 3 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 4 | 0 |
| 1987 | 5 | 0 |
| 1988 | 2 | 0 |
| 1989 | 5 | 0 |
| 1990 | 3 | 0 |
| 1991 | 8 | 0 |
| 1992 | 15 | 0 |
| 1993 | 24 | 0 |
| 1994 | 30 | 0 |
| 1995 | 38 | 0 |
| 1996 | 69 | 0 |
| 1997 | 66 | 0 |
| 1998 | 126 | 0 |
| 1999 | 125 | 0 |
| 2000 | 167 | 0 |
| 2001 | 196 | 111 |
| 2002 | 260 | 443 |
| 2003 | 285 | 442 |
| 2004 | 307 | 691 |
| 2005 | 284 | 565 |
| 2006 | 464 | 626 |
| 2007 | 399 | 658 |
| 2008 | 393 | 620 |
| 2009 | 415 | 608 |
| 2010 | 564 | 718 |
| 2011 | 610 | 760 |
| 2012 | 701 | 883 |
| 2013 | 848 | 1053 |
| 2014 | 1025 | 1155 |
| 2015 | 1160 | 1340 |
| 2016 | 1287 | 1261 |
| 2017 | 1352 | 1219 |
| 2018 | 1226 | 1168 |
| 2019 | 1267 | 1173 |
| 2020 | 1215 | 1459 |
| 2021 | 1139 | 1240 |
| 2022 | 1149 | 1407 |
| 2023 | 1076 | 1376 |
| 2024 | 1067 | 1299 |
| 2025 | 1032 | 1033 |
| 2026 | 731 | 791 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- H04W 52/18Tpc being performed according to specific parameters11,924
- H04W 52/30Using constraints in the total amount of available transmission power10,116
- H04W 52/06Tpc algorithms8,282
- H04W 52/38Tpc being performed in particular situations7,693
- H04W 52/54Signalisation aspects of the tpc commands1,568
- H04W 52/52Using agc [automatic gain control] circuits or amplifiers1,406
Recent patents
- Enhanced physical uplink control channel spatial relation information in MAC CE6 Oct 2026US 12,756,528 B2QUALCOMM Incorporated
- Method for power control parameter determination, terminal, and network device6 Oct 2026US 12,757,123 B2Guangdong Oppo Mobile Telecommunications Corp., Ltd.
- Downlink power control for wireless power transfer6 Oct 2026US 12,757,124 B2Nokia Technologies Oy
- Power headroom report (PHR) triggering and reporting for multiple transmission-reception point (multi-TRP) physical uplink shared channel (PUSCH) repetition operation6 Oct 2026US 12,757,125 B2Nokia Technologies Oy
- Radio resource management for Wi-Fi networks6 Oct 2026US 12,757,126 B2Cisco Technology, Inc.
- Exposure Detection and Reporting For Wireless Communications8 Oct 2026US 2026/0312612 A1Comcast Cable Communications, LLC
- Enhanced channel state information derivation8 Oct 2026US 2026/0312650 A1Nokia Technologies Oy
- Techniques for Passive Intermodulation Avoidance8 Oct 2026US 2026/0312703 A1Telefonaktiebolaget LM Ericsson (publ)
- Pathloss determination method and apparatus8 Oct 2026US 2026/0312705 A1Beijing Xiaomi Mobile Software Co., Ltd.
- Establishing network slice connections in high-demand geographical areas8 Oct 2026US 2026/0313526 A1
Most cited
By later US patents
- System and method for generating signal waveforms in a CDMA cellular telephone system1,721US 5,103,459 AQUALCOMM Incorporated · 1992
- Method and apparatus for controlling transmission power in a CDMA cellular mobile telephone system1,012US 5,056,109 AQUALCOMM Incorporated · 1991
- Determination of a channel estimate of a transmission channel991US 7,561,637 B2Telefonaktiebolaget'l M Ericsson (Publ) · 2009
- Method and apparatus for adaptive, variable bandwidth, high-speed data transmission of a multicarrier signal over digital subscriber lines879US 5,479,447 AThe Board of Trustees of the Leland Stanford Junior University · 1995
- Method and apparatus for measuring reporting channel state information in a high efficiency, high performance communications system793US 6,473,467 B1QUALCOMM Incorporated · 2002