Methods and apparatus for channel state information sounding and feedback
US-10111132-B2 · Oct 23, 2018 · US
Feedback on request
Feedback on request · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H04B7/0643 |
| Official title | {Feedback on request} |
| Display label | Feedback on request |
| Total patents | 199 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 17 |
| 2016 | 20 |
| 2017 | 14 |
| 2018 | 22 |
| 2019 | 27 |
| 2020 | 30 |
| 2021 | 19 |
| 2022 | 9 |
| 2023 | 15 |
| 2024 | 14 |
| 2025 | 11 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Aperiodic channel state information (csi) reporting for carrier aggregation
US-2018302894-A1 · Oct 18, 2018 · US
Beam management using synchronization signals through channel feedback framework
US-2018287683-A1 · Oct 4, 2018 · US
Channel status information feedback and control method and device
US-2018205439-A1 · Jul 19, 2018 · US
Method for Beam Training in Multiuser Scenario and Apparatus
US-2018159608-A1 · Jun 7, 2018 · US
Channel state information acquisition method and device
US-2018124624-A1 · May 3, 2018 · US
Method for reporting channel state in wireless communication system and apparatus therefor
US-2018097603-A1 · Apr 5, 2018 · US
Beamforming feedback format
US-9876542-B2 · Jan 23, 2018 · US
Apparatus, system and method of updating one or more beamforming settings of a beamformed link
US-9866293-B1 · Jan 9, 2018 · US
Feedback scheme for mu-mimo
US-2017373732-A1 · Dec 28, 2017 · US
Aperiodic channel state information (csi) reporting for enhanced carrier aggregation
US-2017373792-A1 · Dec 28, 2017 · US
Systems and methods for communication of channel state information
US-9825683-B2 · Nov 21, 2017 · US
Transmitting node and method for rank determination
US-9800308-B2 · Oct 24, 2017 · US
Multi-user multiple input multiple output communications in wireless local area networks and wireless transmit and receiver units
US-2017294953-A1 · Oct 12, 2017 · US
Methods and arrangements for beamforming reports in wireless networks
US-9743303-B2 · Aug 22, 2017 · US
Method and device for low-complexity feedback in a multiuser and multipoint cooperative communication system
US-9735853-B2 · Aug 15, 2017 · US
Systems and methods for adaptively restricting csi reporting in multi antenna wireless communications systems utilizing unused bit resources
US-2017195029-A1 · Jul 6, 2017 · US
Beamforming and user equipment grouping
US-2017150510-A1 · May 25, 2017 · US
Beamforming report structure
US-2017127385-A1 · May 4, 2017 · US
Multiple beamforming training
US-2017070275-A1 · Mar 9, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H04B7/0643?
- CPC H04B7/0643 is the Cooperative Patent Classification code for “Feedback on request.”
- How many patents are filed under CPC H04B7/0643 (Feedback on request)?
- Our database includes 199 publications tagged with this CPC code.
- Is patent activity under CPC H04B7/0643 growing?
- Publication counts under this code: 14 in 2024 vs 11 in 2025 (latest complete years).