H03M 13/6393
Rate compatible low-density parity check [ldpc] codes
Official title: {Rate compatible low-density parity check [LDPC] codes}
H03M13/6393 (Rate compatible low-density parity check [ldpc] codes) appears on 239 US grants and 278 published applications in this corpus.
Search patents in H03M- Granted patents
- 239
- Published applications
- 278
- Assignees
- 70
- Inventors
- 359
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2003 | 0 | 2 |
| 2004 | 0 | 3 |
| 2005 | 0 | 3 |
| 2006 | 2 | 7 |
| 2007 | 3 | 10 |
| 2008 | 2 | 15 |
| 2009 | 3 | 12 |
| 2010 | 9 | 13 |
| 2011 | 11 | 6 |
| 2012 | 19 | 11 |
| 2013 | 11 | 4 |
| 2014 | 11 | 6 |
| 2015 | 8 | 5 |
| 2016 | 2 | 7 |
| 2017 | 7 | 11 |
| 2018 | 5 | 14 |
| 2019 | 18 | 27 |
| 2020 | 19 | 29 |
| 2021 | 33 | 16 |
| 2022 | 23 | 19 |
| 2023 | 18 | 15 |
| 2024 | 16 | 16 |
| 2025 | 17 | 13 |
| 2026 | 2 | 14 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Communication techniques involving pairwise orthogonality of adjacent rows in LPDC code22 Sep 2026US RE51,040 E1QUALCOMM Incorporated
- Rate matching methods for LDPC codes24 Feb 2026US 12,562,756 B2Telefonaktiebolaget LM Ericsson (publ)
- Channel information based on uncombined log likelihood ratios (LLRS)11 Nov 2025US 12,470,960 B2QUALCOMM Incorporated
- Over-puncture mitigation in LDCP rate matching21 Oct 2025US 12,451,905 B2Intel Corporation
- Rate matching methods for LDPC codes30 Sep 2025US 12,431,918 B2Telefonaktiebolaget LM Ericsson (publ)
- LDPC Code-Based Communication Method and Communication Apparatus27 Aug 2026US 2026/0254562 A1Huawei Technologies Co., Ltd.
- Method, system, and apparatus for retransmission in wireless communications27 Aug 2026US 2026/0254568 A1Huawei Technologies Co., Ltd.
- Method and apparatus for encoding and decoding data in communication or broadcasting system23 Jul 2026US 2026/0213878 A1Samsung Electronics Co., Ltd.
- Method and device for encoding and decoding data in communication or broadcasting system9 Jul 2026US 2026/0197118 A1Samsung Electronics Co., Ltd.
- Rate matching methods for ldpc codes4 Jun 2026US 2026/0155842 A1Telefonaktiebolaget LM Ericsson (publ)
Most cited
By later US patents
- Rate-compatible LDPC codes96US 7,702,986 B2QUALCOMM Incorporated · 2010
- Structured low-density parity-check (LDPC) code92US 7,996,746 B2Nortel Networks Limited · 2011
- Hybrid automatic repeat request system and method74US 7,000,174 B2Research In Motion Limited · 2006
- Apparatus and method for transmitting and receiving data in communication/broadcasting system51US 9,214,960 B2Samsung Electronics Co., Ltd. · 2015
- Low-density parity-check codes for multiple code rates42US 7,222,284 B2Nokia Corporation · 2007