Signal processing of fragmented downlink carriers
US-2026051906-A1 · Feb 19, 2026 · US
using a time/frequency relationship, e.g. time compression or expansion
using a time/frequency relationship, e.g. time compression or expansion · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H04B1/662 |
| Official title | {using a time/frequency relationship, e.g. time compression or expansion} |
| Display label | using a time/frequency relationship, e.g. time compression or expansion |
| Total patents | 39 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 3 |
| 2017 | 3 |
| 2018 | 3 |
| 2019 | 1 |
| 2020 | 5 |
| 2021 | 3 |
| 2022 | 3 |
| 2023 | 8 |
| 2024 | 2 |
| 2025 | 3 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Mitigation of sounding interference in high frequency cellular systems
US-2026045967-A1 · Feb 12, 2026 · US
Data transfer interface for in-phase and quadrature (I/Q) data
US-12401397-B2 · Aug 26, 2025 · US
Decode signal compensation in a wireless system
US-12388501-B2 · Aug 12, 2025 · US
Data compression apparatus, data decompression apparatus, data compression system, control circuit, storage medium, data compression method, and data decompression method
US-12375192-B2 · Jul 29, 2025 · US
Discrete time cancellation for providing coexistence in radio frequency applications
US-12063062-B2 · Aug 13, 2024 · US
Decode signal compensation in a wireless system
US-2024048194-A1 · Feb 8, 2024 · US
Decode signal compensation in a wireless system
US-11811470-B2 · Nov 7, 2023 · US
Discrete time cancellation for providing coexistence in radio frequency applications
US-2023353189-A1 · Nov 2, 2023 · US
Discrete time cancellation for providing coexistence in radio frequency applications
US-11736141-B2 · Aug 22, 2023 · US
Decode signal compensation in a wireless system
US-2023223996-A1 · Jul 13, 2023 · US
Frequency transformed radiomap data set
US-11635484-B2 · Apr 25, 2023 · US
Front-haul rate reduction for use in a centralized radio access network
US-11627497-B2 · Apr 11, 2023 · US
Systems and methods for low complexity soft data computation
US-11621740-B1 · Apr 4, 2023 · US
Data compression apparatus, data decompression apparatus, data compression system, control circuit, storage medium, data compression method, and data decompression method
US-2023062385-A1 · Mar 2, 2023 · US
Data transfer interface for in-phase and quadrature (i/q) data
US-2022407567-A1 · Dec 22, 2022 · US
Discrete time cancellation for providing coexistence in radio frequency applications
US-2022239330-A1 · Jul 28, 2022 · US
Discrete time cancellation for providing coexsitence in radio frequency communication systems
US-11283480-B2 · Mar 22, 2022 · US
Multiplexing of resource blocks within a communications network for dynamic service provisioning
US-11190231-B1 · Nov 30, 2021 · US
Discrete time cancellation for providing coexsitence in radio frequency communication systems
US-2021111749-A1 · Apr 15, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H04B1/662?
- CPC H04B1/662 is the Cooperative Patent Classification code for “using a time/frequency relationship, e.g. time compression or expansion.”
- How many patents are filed under CPC H04B1/662 (using a time/frequency relationship, e.g. time compression or expansion)?
- Our database includes 39 publications tagged with this CPC code.
- Is patent activity under CPC H04B1/662 growing?
- Publication counts under this code: 2 in 2024 vs 3 in 2025 (latest complete years).