H04L 25/0224
Using sounding signals
Official title: {using sounding signals}
H04L25/0224 (Using sounding signals) appears on 6,787 US grants and 7,969 published applications in this corpus.
Search patents in H04L- Granted patents
- 6,787
- Published applications
- 7,969
- Assignees
- 989
- Inventors
- 7,662
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 3 | 0 |
| 1992 | 4 | 0 |
| 1993 | 5 | 0 |
| 1994 | 10 | 0 |
| 1995 | 2 | 0 |
| 1996 | 7 | 0 |
| 1997 | 4 | 0 |
| 1998 | 8 | 0 |
| 1999 | 9 | 0 |
| 2000 | 5 | 0 |
| 2001 | 25 | 13 |
| 2002 | 28 | 54 |
| 2003 | 39 | 113 |
| 2004 | 45 | 140 |
| 2005 | 52 | 183 |
| 2006 | 94 | 225 |
| 2007 | 115 | 262 |
| 2008 | 156 | 305 |
| 2009 | 156 | 358 |
| 2010 | 224 | 381 |
| 2011 | 260 | 341 |
| 2012 | 358 | 331 |
| 2013 | 450 | 313 |
| 2014 | 484 | 348 |
| 2015 | 423 | 350 |
| 2016 | 342 | 279 |
| 2017 | 299 | 297 |
| 2018 | 275 | 349 |
| 2019 | 361 | 478 |
| 2020 | 412 | 496 |
| 2021 | 412 | 500 |
| 2022 | 398 | 442 |
| 2023 | 380 | 430 |
| 2024 | 415 | 404 |
| 2025 | 349 | 331 |
| 2026 | 177 | 246 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Phase tracking reference signal configuration for rate-splitting multiple input multiple output communications6 Oct 2026US 12,756,596 B2QUALCOMM Incorporated
- Indication for non-causal demodulation reference signal cross-slot combining6 Oct 2026US 12,756,597 B2QUALCOMM Incorporated
- Radio receiver device with a neural network, and related methods and computer programs29 Sep 2026US 12,750,257 B2Nokia Solutions and Networks Oy
- Base station and wireless communication method29 Sep 2026US 12,750,709 B2Sun Patent Trust
- Wireless communication method and apparatus22 Sep 2026US 12,744,632 B2Huawei Technologies Co., Ltd.
- Exposure Detection and Reporting For Wireless Communications8 Oct 2026US 2026/0312612 A1Comcast Cable Communications, LLC
- Multi-antenna system for non-terrestrial communications8 Oct 2026US 2026/0312626 A1Astranis Space Technologies Corp.
- Techniques for sounding reference signal based beamforming8 Oct 2026US 2026/0312841 A1QUALCOMM Incorporated
- Approaches for Spatial Beamforming1 Oct 2026US 2026/0303163 A1
- Data and control multiplexing in pusch in wireless networks1 Oct 2026US 2026/0303264 A1Texas Instruments Incorporated
Most cited
By later US patents
- Determination of a channel estimate of a transmission channel991US 7,561,637 B2Telefonaktiebolaget'l M Ericsson (Publ) · 2009
- Method and apparatus for measuring reporting channel state information in a high efficiency, high performance communications system793US 6,473,467 B1QUALCOMM Incorporated · 2002
- Method and apparatus for multiple access between transceivers in wireless communications using OFDM spread spectrum691US 5,282,222 A1994
- Method and system for communicating information in a digital signal540US 8,599,957 B2EMS Technologies, Inc. · 2013
- Method and system for communicating information in a digital signal503US 8,750,445 B2EMS Technologies, Inc. · 2014