H04B 7/0641
Differential feedback
Official title: {Differential feedback}
H04B7/0641 (Differential feedback) appears on 202 US grants and 237 published applications in this corpus.
Search patents in H04B- Granted patents
- 202
- Published applications
- 237
- Assignees
- 71
- Inventors
- 448
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2004 | 1 | 1 |
| 2005 | 2 | 1 |
| 2006 | 0 | 1 |
| 2007 | 3 | 6 |
| 2008 | 2 | 11 |
| 2009 | 1 | 6 |
| 2010 | 3 | 12 |
| 2011 | 7 | 23 |
| 2012 | 11 | 19 |
| 2013 | 18 | 14 |
| 2014 | 29 | 15 |
| 2015 | 17 | 12 |
| 2016 | 9 | 7 |
| 2017 | 11 | 5 |
| 2018 | 10 | 7 |
| 2019 | 6 | 12 |
| 2020 | 9 | 14 |
| 2021 | 9 | 13 |
| 2022 | 12 | 14 |
| 2023 | 12 | 18 |
| 2024 | 11 | 15 |
| 2025 | 7 | 7 |
| 2026 | 12 | 4 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Configuring a channel state information report25 Aug 2026US 12,719,541 B2Lenovo (Singapore) Pte. Ltd.
- CSI report with time domain channel information11 Aug 2026US 12,706,650 B2QUALCOMM Incorporated
- Channel quality indicator design for enhanced machine-type-communications14 Jul 2026US 12,683,666 B2QUALCOMM Incorporated
- Configurations for channel state feedback23 Jun 2026US 12,665,646 B2QUALCOMM Incorporated
- Channel state information decoding16 Jun 2026US 12,658,996 B2QUALCOMM Incorporated
- Differential channel characteristic value prediction report for user equipment (ue)-side beam prediction30 Jul 2026US 2026/0222248 A1QUALCOMM Incorporated
- Differential channel estimation and sounding associated with reconfigurable intelligent surfaces23 Jul 2026US 2026/0213792 A1InterDigital Patent Holdings, Inc.
- Measuring and reporting parameters for different antenna ports2 Apr 2026US 2026/0095265 A1Lenovo (United States) Inc.
- Indication method and apparatus, device, and storage medium29 Jan 2026US 2026/0031881 A1Beijjing Xiaomi Mobile Software Co., Ltd.
- Information transmission method and device, and storage medium30 Oct 2025US 2025/0337465 A1Zte Corporation
Most cited
By later US patents
- Multiple input multiple output multicarrier communication system and methods with quantized beamforming feedback78US 7,570,696 B2Intel Corporation · 2009
- Apparatus and method for providing closed-loop transmit antenna diversity in a mobile communication system76US 6,754,473 B1Samsung Electronics Co., Ltd. · 2004
- Closed-loop transmitting antenna diversity method, base station apparatus and mobile station apparatus therefor, in a next generation mobile telecommunications system70US 6,892,059 B1Samsung Electronics Co., Ltd. · 2005
- Method and apparatus for providing efficient precoding feedback in a MIMO wireless communication system58US 7,881,247 B2InterDigital Technology Corporation · 2011
- Feedback of differentially encoded channel state information for multiple-input multiple-output (MIMO) and subband scheduling in a wireless communication system35US 8,014,455 B2QUALCOMM Incorporated · 2011