H03M 13/116
Quasi-cyclic ldpc [qc-ldpc] codes, i.e. the parity-check matrix being composed of permutation
Official title: {Quasi-cyclic LDPC [QC-LDPC] codes, i.e. the parity-check matrix being composed of permutation or circulant sub-matrices}
H03M13/116 (Quasi-cyclic ldpc [qc-ldpc] codes, i.e. the parity-check matrix being composed of permutation) appears on 1,855 US grants and 1,966 published applications in this corpus.
Search patents in H03M- Granted patents
- 1,855
- Published applications
- 1,966
- Assignees
- 309
- Inventors
- 1,496
- Latest grant
- 29 Sep 2026
Filings by year
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| 2024 | 82 | 65 |
| 2025 | 57 | 67 |
| 2026 | 24 | 44 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Transmission method, reception method, transmitter, and receiver29 Sep 2026US 12,750,159 B2Panasonic Intellectual Property Corporation of America
- Communication techniques involving pairwise orthogonality of adjacent rows in LPDC code22 Sep 2026US RE51,040 E1QUALCOMM Incorporated
- Low-density parity-check encoding method, low-density parity-check decoding method, encoding device, decoding device and medium18 Aug 2026US 12,712,569 B2Zte Corporation
- Systems and methods for block-kronecker based low density parity check (LDPC) code with 5/6 code rate30 Jun 2026US 12,671,441 B2Avago Technologies International Sales Pte. Limited
- System and method for low density parity check (LDPC) code with 5/6 code rate23 Jun 2026US 12,665,614 B2Avago Technologies International Sales Pte. Limited
- System and method for low density parity check (ldpc) code with 5/6 code rate1 Oct 2026US 2026/0303123 A1Avago Technologies International Sales Pte. Limited
- Low density parity check decoder24 Sep 2026US 2026/0291519 A1The Texas A&M University System
- Permutations for a low-density parity check code17 Sep 2026US 2026/0280587 A1QUALCOMM Incorporated
- Systems and methods for block-kronecker based low density parity check (ldpc) code with 2/3 code rate27 Aug 2026US 2026/0254464 A1Avago Technologies International Sales Pte. Limited
- System and method for forward error correction in an on-board processing satellite transponder27 Aug 2026US 2026/0254561 A1
Most cited
By later US patents
- Methods and apparatus for decoding LDPC codes319US 6,633,856 B2Flarion Technologies, Inc. · 2003
- Apparatus and methods for administering treatment within a bodily duct of a patient236US 9,692,557 B22017
- Method and apparatus for low density parity check encoding of data217US 6,895,547 B2International Business Machines Corporation · 2005
- Method and system for providing low density parity check (LDPC) encoding211US 7,191,378 B2The DIRECTV Group, Inc. · 2007
- Encoding method using a low density parity check code with a column weight of two186US 7,058,873 B2Carnegie Mellon University · 2006