Error correction coding apparatus and error correction decoding apparatus
US-2024056099-A1 · Feb 15, 2024 · US
with Low Density Parity Check [LDPC] codes
with Low Density Parity Check [LDPC] 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 | H03M13/255 |
| Official title | {with Low Density Parity Check [LDPC] codes} |
| Display label | with Low Density Parity Check [LDPC] codes |
| Total patents | 1,877 |
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 | 116 |
| 2016 | 210 |
| 2017 | 217 |
| 2018 | 154 |
| 2019 | 335 |
| 2020 | 217 |
| 2021 | 208 |
| 2022 | 143 |
| 2023 | 128 |
| 2024 | 82 |
| 2025 | 56 |
| 2026 | 11 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method and apparatus for encoding and decoding of low density parity check codes
US-2024048158-A1 · Feb 8, 2024 · US
Multi-level coding for uplink transmissions
US-2024008042-A1 · Jan 4, 2024 · US
Data Encoding in Solid-State Storage Devices
US-2015380087-A1 · Dec 31, 2015 · US
Apparatus and method for transmitting and receiving data in communication/broadcasting system
US-9214960-B2 · Dec 15, 2015 · US
Encoding method, decoding method
US-9214962-B2 · Dec 15, 2015 · US
Apparatus for transmitting broadcast signals, apparatus for receiving broadcast signals, method for transmitting broadcast signals and method for receiving broadcast signals
US-2015358034-A1 · Dec 10, 2015 · US
Data processing device and data processing method
US-2015349802-A1 · Dec 3, 2015 · US
Symbol flipping decoders of non-binary low-density parity check (LDPC) codes
US-9203432-B2 · Dec 1, 2015 · US
Transmitter apparatus and bit interleaving method thereof
US-2015341054-A1 · Nov 26, 2015 · US
Transmitting apparatus and interleaving method thereof
US-2015341053-A1 · Nov 26, 2015 · US
Bit interleaver for low-density parity check codeword having length of 16200 and code rate of 4/15 and 16-symbol mapping, and bit interleaving method using same
US-2015339190-A1 · Nov 26, 2015 · US
Method and apparatus for transmission and reception of in-band on-channel radio signals including complementary low density parity check coding
US-2015341049-A1 · Nov 26, 2015 · US
Parallel bit interleaver
US-2015333771-A1 · Nov 19, 2015 · US
Data processing apparatus and data processing method
US-2015318868-A1 · Nov 5, 2015 · US
Data processing method, precoding method, and communication device
US-9178650-B2 · Nov 3, 2015 · US
Encoding techniques using multiple coding strengths within a single LDPC code word
US-9172400-B2 · Oct 27, 2015 · US
QoE PROVISIONING METHOD AND APPARATUS FOR MOBILE VIDEO APPLICATION
US-2015304737-A1 · Oct 22, 2015 · US
Apparatus for transmitting broadcast signals, apparatus for receiving broadcast signals, method for transmitting broadcast signals and method for receiving broadcast signals
US-2015304070-A1 · Oct 22, 2015 · US
Parallel bit interleaver by applying a cyclic block and a bit permutation process
US-9160372-B2 · Oct 13, 2015 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H03M13/255?
- CPC H03M13/255 is the Cooperative Patent Classification code for “with Low Density Parity Check [LDPC] codes.”
- How many patents are filed under CPC H03M13/255 (with Low Density Parity Check [LDPC] codes)?
- Our database includes 1,877 publications tagged with this CPC code.
- Is patent activity under CPC H03M13/255 growing?
- Publication counts under this code: 82 in 2024 vs 56 in 2025 (latest complete years).