H04B 7/0421
Utilizing implicit feedback
Official title: {utilizing implicit feedback, e.g. steered pilot signals}
H04B7/0421 (Utilizing implicit feedback) appears on 352 US grants and 383 published applications in this corpus.
Search patents in H04B- Granted patents
- 352
- Published applications
- 383
- Assignees
- 98
- Inventors
- 530
- Latest grant
- 3 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2004 | 0 | 7 |
| 2005 | 0 | 7 |
| 2006 | 1 | 12 |
| 2007 | 3 | 11 |
| 2008 | 0 | 10 |
| 2009 | 4 | 10 |
| 2010 | 13 | 5 |
| 2011 | 7 | 7 |
| 2012 | 10 | 19 |
| 2013 | 19 | 25 |
| 2014 | 33 | 13 |
| 2015 | 17 | 25 |
| 2016 | 18 | 24 |
| 2017 | 26 | 30 |
| 2018 | 29 | 30 |
| 2019 | 39 | 38 |
| 2020 | 30 | 31 |
| 2021 | 33 | 23 |
| 2022 | 23 | 16 |
| 2023 | 21 | 17 |
| 2024 | 16 | 14 |
| 2025 | 8 | 4 |
| 2026 | 2 | 5 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Interference control method and apparatus3 Mar 2026US 12,567,932 B2Huawei Technologies Co., Ltd.
- Efficient SRS resource indication methods10 Feb 2026US 12,549,306 B2Telefonaktiebolaget LM Ericsson (publ)
- Uplink UE positioning4 Nov 2025US 12,464,490 B2Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e. V.
- Channel state information overhead reduction by network signaled user equipment specific adjustments before measurements28 Oct 2025US 12,457,075 B2Nokia Technologies Oy
- Method for obtaining information about a channel and apparatus22 Jul 2025US 12,368,628 B2Huawei Technologies Co., Ltd.
- Wireless sensing system with coverage extension using one or more analog repeaters23 Jul 2026US 2026/0213828 A1Telefonaktiebolaget LM Ericsson (publ)
- Efficient srs resource indication methods18 Jun 2026US 2026/0172180 A1Telefonaktiebolaget LM Ericsson (publ)
- Channel information feedback method, and electronic device and computer-readable medium21 May 2026US 2026/0142694 A1Zte Corporation
- Channel estimation for frequency division duplex communications16 Apr 2026US 2026/0106777 A1QUALCOMM Incorporated
- Precoded reference signal for model monitoring for ml-based csi feedback19 Feb 2026US 2026/0052075 A1QUALCOMM Incorporated
Most cited
By later US patents
- Pilots for MIMO communication system183US 7,986,742 B2QUALCOMM Incorporated · 2011
- MIMO WLAN system116US 8,320,301 B2QUALCOMM Incorporated · 2012
- MIMO system with multiple spatial multiplexing modes95US 8,483,188 B2QUALCOMM Incorporated · 2013
- Multi-antenna transmission for spatial division multiple access92US 7,298,805 B2QUALCOMM Incorporated · 2007
- Feedback interval control91US 8,902,834 B2Fujitsu Limited · 2014