H04L 27/2637
With direct modulation of individual subcarriers
Official title: {with direct modulation of individual subcarriers}
H04L27/2637 (With direct modulation of individual subcarriers) appears on 258 US grants and 246 published applications in this corpus.
Search patents in H04L- Granted patents
- 258
- Published applications
- 246
- Assignees
- 111
- Inventors
- 363
- Latest grant
- 9 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 4 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 1 |
| 2002 | 5 | 9 |
| 2003 | 3 | 5 |
| 2004 | 6 | 6 |
| 2005 | 3 | 9 |
| 2006 | 9 | 12 |
| 2007 | 8 | 15 |
| 2008 | 15 | 13 |
| 2009 | 12 | 10 |
| 2010 | 11 | 15 |
| 2011 | 11 | 15 |
| 2012 | 15 | 12 |
| 2013 | 14 | 8 |
| 2014 | 16 | 5 |
| 2015 | 13 | 16 |
| 2016 | 12 | 20 |
| 2017 | 16 | 16 |
| 2018 | 22 | 14 |
| 2019 | 13 | 13 |
| 2020 | 5 | 7 |
| 2021 | 13 | 10 |
| 2022 | 5 | 2 |
| 2023 | 5 | 4 |
| 2024 | 5 | 6 |
| 2025 | 2 | 3 |
By publication year. Applications have been published since 2001.
Recent patents
- Data transmission method, data receiving method, network device, and storage medium9 Dec 2025US 12,494,957 B2Zte Corporation
- Mixed waveform communications2 Dec 2025US 12,489,594 B2QUALCOMM Incorporated
- Signal generation method and apparatus5 Nov 2024US 12,137,019 B2Huawei Technologies Co., Ltd.
- Repetition on subcarriers for noncoherent modulation27 Aug 2024US 12,074,750 B2QUALCOMM Incorporated
- Gateway apparatus and methods for wireless IoT (internet of things) services23 Jul 2024US 12,047,719 B2Charter Communications Operating, LLC
- Signal generation method and apparatus27 Mar 2025US 2025/0106088 A1Huawei Technologies Co., Ltd.
- Communication method and system, and apparatus16 Jan 2025US 2025/0023765 A1
- Extended range physical layer protocol data unit (ppdu)9 Jan 2025US 2025/0016036 A1
- Data transmission method, data receiving method, network device, and storage medium19 Dec 2024US 2024/0422044 A1Zte Corporation
- Gateway apparatus and methods for wireless iot (internet of things) services21 Nov 2024US 2024/0388822 A1Charter Communications Operating, LLC
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
- OFDM multiple sub-channel communication system292US 7,206,350 B2Unique Broadband Systems, Inc. · 2007
- Multiple access method and system268US 7,010,048 B1Aqvity, LLC · 2006
- Spectrally efficient FQPSK, FGMSK, and FQAM for enhanced performance CDMA, TDMA, GSM, OFDN, and other systems215US 6,470,055 B12002