Pre-coding method and pre-coding device
US-9515712-B2 · Dec 6, 2016 · US
block codes
block codes · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H04L1/0643 |
| Official title | {block codes} |
| Display label | block codes |
| Total patents | 509 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 46 |
| 2016 | 47 |
| 2017 | 48 |
| 2018 | 62 |
| 2019 | 60 |
| 2020 | 60 |
| 2021 | 59 |
| 2022 | 49 |
| 2023 | 34 |
| 2024 | 30 |
| 2025 | 14 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Transmission method, transmitter apparatus, reception method and receiver apparatus
US-2016323024-A1 · Nov 3, 2016 · US
Apparatus, system and method of multi-input-multi-output (MIMO) beamformed communication with space block coding
US-9479233-B2 · Oct 25, 2016 · US
System and Method for Utilizing Multidimensional Constellations
US-2016309344-A1 · Oct 20, 2016 · US
Method and apparatus for transmitting data
US-2016261317-A1 · Sep 8, 2016 · US
Transmission method, transmitter apparatus, reception method and receiver apparatus
US-9419839-B2 · Aug 16, 2016 · US
Link adaptation feedback method and transmitting device
US-9363037-B2 · Jun 7, 2016 · US
Mu-mimo access point and user station including methods for multi-user group management
US-2016156396-A1 · Jun 2, 2016 · US
Transmitting Node, Receiving Node and Methods Performed Therein
US-2016134398-A1 · May 12, 2016 · US
Method and apparatus for transmitting data
US-9306652-B2 · Apr 5, 2016 · US
Transmission of symbols in a MIMO environment using Alamouti based codes
US-9281882-B2 · Mar 8, 2016 · US
Apparatus and method for transmitting/receiving data in communication system
US-9277555-B2 · Mar 1, 2016 · US
Transmission method, transmitter apparatus, reception method and receiver apparatus
US-2016028458-A1 · Jan 28, 2016 · US
Selecting frequency bands for transmitting data packets
US-9247541-B2 · Jan 26, 2016 · US
Transmission device, transmission method, receiving device and receiving method
US-2015381256-A1 · Dec 31, 2015 · US
Method of Communication Encoding with Space Time Block Codes
US-2015358120-A1 · Dec 10, 2015 · US
MU-MIMO access point and user station including methods for multi-user group management
US-9209872-B2 · Dec 8, 2015 · US
High Efficiency Orthogonal Frequency Division Multiplexing (OFDM) Physical Layer (PHY)
US-2015349995-A1 · Dec 3, 2015 · US
Transmitter diversity technique for wireless communications
US-9203499-B2 · Dec 1, 2015 · US
Transmit antenna subset selection for retransmission
US-9203493-B2 · Dec 1, 2015 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H04L1/0643?
- CPC H04L1/0643 is the Cooperative Patent Classification code for “block codes.”
- How many patents are filed under CPC H04L1/0643 (block codes)?
- Our database includes 509 publications tagged with this CPC code.
- Is patent activity under CPC H04L1/0643 growing?
- Publication counts under this code: 30 in 2024 vs 14 in 2025 (latest complete years).