H04J 13/18
Allocation of orthogonal codes
H04J13/18 (Allocation of orthogonal codes) appears on 734 US grants and 714 published applications in this corpus.
Search patents in H04J- Granted patents
- 734
- Published applications
- 714
- Assignees
- 187
- Inventors
- 1,040
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 3 | 0 |
| 1996 | 8 | 0 |
| 1997 | 5 | 0 |
| 1998 | 8 | 0 |
| 1999 | 5 | 0 |
| 2000 | 8 | 0 |
| 2001 | 8 | 7 |
| 2002 | 15 | 26 |
| 2003 | 22 | 47 |
| 2004 | 20 | 39 |
| 2005 | 23 | 35 |
| 2006 | 31 | 28 |
| 2007 | 22 | 27 |
| 2008 | 26 | 29 |
| 2009 | 36 | 25 |
| 2010 | 28 | 38 |
| 2011 | 34 | 27 |
| 2012 | 39 | 35 |
| 2013 | 38 | 36 |
| 2014 | 48 | 42 |
| 2015 | 39 | 35 |
| 2016 | 52 | 28 |
| 2017 | 37 | 27 |
| 2018 | 16 | 20 |
| 2019 | 30 | 31 |
| 2020 | 26 | 35 |
| 2021 | 22 | 26 |
| 2022 | 23 | 16 |
| 2023 | 16 | 23 |
| 2024 | 17 | 10 |
| 2025 | 14 | 12 |
| 2026 | 5 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Preamble sequence mapping method and apparatus, and terminal26 May 2026US 12,640,972 B2Vivo Mobile Communication Co., Ltd.
- Transport block size calculation for orthogonal cover coding and sub-physical-resource-block allocation for physical uplink shared channel19 May 2026US 12,634,057 B2QUALCOMM Incorporated
- Generating a composite signal with code division multiplexing (CDM) and time division multiplexing (TDM) pilots10 Mar 2026US 12,574,068 B2Intellectual Ventures Holding 81 LLC
- Method and apparatus for sending DMRS, and terminal and medium17 Feb 2026US 12,557,032 B2Beijing Xiaomi Mobile Software Co., Ltd.
- Method for transmitting control information in wireless communication systems3 Feb 2026US 12,543,180 B2Electronics and Telecommunications Research Institute
- Channel transmission method, device, and storage medium13 Aug 2026US 2026/0239315 A1Guangdong Oppo Mobile Telecommunications Corp., Ltd.
- Method to configure occ considering the cfo grouping13 Aug 2026US 2026/0239330 A1Telefonaktiebolaget LM Ericsson (publ)
- Downlink control information for multi-transport block scheduling6 Aug 2026US 2026/0231177 A1QUALCOMM Incorporated
- Generating a composite signal with code division multiplexing (cdm) and time division multiplexing (tdm) pilots9 Jul 2026US 2026/0197028 A1Intellectual Ventures Holding 81 LLC
- Signal transmission method and apparatus9 Jul 2026US 2026/0197141 A1Huawei Technologies Co., Ltd.
Most cited
By later US patents
- System and method for generating signal waveforms in a CDMA cellular telephone system1,721US 5,103,459 AQUALCOMM Incorporated · 1992
- Apparatus and method for digital data transmission using orthogonal codes473US 6,356,555 B1Terayon Communications Systems, Inc. · 2002
- Multicarrier sub-layer for direct sequence channel and multiple-access coding463US 7,430,257 B1Lot 41 Acquisition Foundation, LLC · 2008
- System and method for generating signal waveforms in a CDMA cellular telephone system404US 5,416,797 AQUALCOMM Incorporated · 1995
- System and method for generating signal waveforms in a CDMA cellular telephone system359US 5,309,474 AQUALCOMM Incorporated · 1994