H04L 5/0021
In which codes are applied as a frequency-domain sequences
Official title: {in which codes are applied as a frequency-domain sequences, e.g. MC-CDMA}
H04L5/0021 (In which codes are applied as a frequency-domain sequences) appears on 423 US grants and 443 published applications in this corpus.
Search patents in H04L- Granted patents
- 423
- Published applications
- 443
- Assignees
- 102
- Inventors
- 614
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 0 |
| 2002 | 4 | 4 |
| 2003 | 1 | 9 |
| 2004 | 2 | 11 |
| 2005 | 5 | 18 |
| 2006 | 8 | 14 |
| 2007 | 8 | 14 |
| 2008 | 15 | 20 |
| 2009 | 13 | 17 |
| 2010 | 20 | 31 |
| 2011 | 18 | 23 |
| 2012 | 17 | 13 |
| 2013 | 21 | 9 |
| 2014 | 30 | 27 |
| 2015 | 24 | 25 |
| 2016 | 14 | 18 |
| 2017 | 23 | 24 |
| 2018 | 25 | 30 |
| 2019 | 29 | 27 |
| 2020 | 39 | 33 |
| 2021 | 29 | 18 |
| 2022 | 23 | 19 |
| 2023 | 26 | 12 |
| 2024 | 11 | 11 |
| 2025 | 11 | 10 |
| 2026 | 4 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Resilient machine-to-machine networks8 Sep 2026US 12,732,407 B2
- Satellite communication method and related communication device18 Aug 2026US 12,712,684 B2Huawei Technologies Co., Ltd.
- Power reduction and scaling for multi-carrier wireless terminals26 May 2026US 12,641,547 B2InterDigital Patent Holdings, Inc.
- Uplink control information reporting6 Jan 2026US 12,519,580 B2QUALCOMM Incorporated
- Encoding method, decoding method, encoding apparatus, and decoding apparatus2 Dec 2025US 12,489,664 B2Huawei Technologies Co., Ltd.
- Radio signal device and method for synchronisation and data transmission of a radio signal17 Sep 2026US 2026/0280781 A1European Space Agency
- Antenna port tables for physical uplink shared channel with increased number of frequency domain codes3 Sep 2026US 2026/0261372 A1Telefonaktiebolaget LM Ericsson (publ)
- Phase tracking reference signaling with orthogonal cover coding13 Aug 2026US 2026/0238437 A1QUALCOMM Incorporated
- Method, device and computer storage medium of communication9 Apr 2026US 2026/0101353 A1NEC Corporation
- Capacity enhancement for a sidelink feedback channel29 Jan 2026US 2026/0032698 A1QUALCOMM Incorporated
Most cited
By later US patents
- Multicarrier sub-layer for direct sequence channel and multiple-access coding463US 7,430,257 B1Lot 41 Acquisition Foundation, LLC · 2008
- Frequency-shifted feedback cavity used as a phased array antenna controller and carrier interference multiple access spread-spectrum transmitter445US 5,955,992 A1999
- Method of simultaneous radio transmission of digital data between a plurality of subscriber stations and a base station316US 6,188,717 B1Deutsche Forschungsanstalt fur Luft- und Raumfahrt e.V. · 2001
- Multiple access method and system268US 7,010,048 B1Aqvity, LLC · 2006
- Highly bandwidth efficient communications262US 6,359,923 B1AT&T Wireless Services, Inc. · 2002