H04L 27/2697
In combination with other modulation techniques
Official title: {in combination with other modulation techniques}
H04L27/2697 (In combination with other modulation techniques) appears on 472 US grants and 541 published applications in this corpus.
Search patents in H04L- Granted patents
- 472
- Published applications
- 541
- Assignees
- 163
- Inventors
- 746
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 1 |
| 2004 | 1 | 9 |
| 2005 | 5 | 2 |
| 2006 | 6 | 1 |
| 2007 | 3 | 2 |
| 2008 | 2 | 5 |
| 2009 | 1 | 12 |
| 2010 | 4 | 12 |
| 2011 | 6 | 21 |
| 2012 | 9 | 35 |
| 2013 | 20 | 32 |
| 2014 | 43 | 46 |
| 2015 | 43 | 38 |
| 2016 | 39 | 39 |
| 2017 | 47 | 58 |
| 2018 | 47 | 30 |
| 2019 | 41 | 33 |
| 2020 | 31 | 32 |
| 2021 | 34 | 18 |
| 2022 | 24 | 16 |
| 2023 | 16 | 19 |
| 2024 | 19 | 26 |
| 2025 | 19 | 27 |
| 2026 | 9 | 27 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Signal processing apparatus, optical transmitting apparatus, optical receiving apparatus, optical transmission system, and signal processing method25 Aug 2026US 12,719,583 B2NEC Corporation
- Orbital angular momentum-based communication method and apparatus and device11 Aug 2026US 12,706,788 B2Beijing Xiaomi Mobile Software Co., Ltd.
- Generation, configuration and transmission of a chirplike signal11 Aug 2026US 12,706,793 B2Zte Corporation
- Data modulation method and apparatus, and medium and storage medium4 Aug 2026US 12,701,038 B2Zte Corporation
- Information transmission method and communication apparatus28 Jul 2026US 12,695,657 B2Huawei Technologies Co., Ltd.
- Methods for time-frequency waveform modulation and generation24 Sep 2026US 2026/0291799 A1Zte Corporation
- Transmitter and transmission method20 Aug 2026US 2026/0247350 A1Ntt Docomo, Inc.
- Reflection modulation via subcarrier indices30 Jul 2026US 2026/0223129 A1QUALCOMM Incorporated
- Transmitter-assisted harmonic avoidance at wireless nodes30 Jul 2026US 2026/0223153 A1QUALCOMM Incorporated
- Reception method, transmission method, reception device, transmission device, and communication system23 Jul 2026US 2026/0213991 A1Socionext Inc.
Most cited
By later US patents
- Frequency-shifted feedback cavity used as a phased array antenna controller and carrier interference multiple access spread-spectrum transmitter445US 5,955,992 A1999
- Signal modulation method resistant to echo reflections and frequency offsets296US 9,083,595 B2Cohere Technologies, Inc. · 2015
- Multiple access method and system268US 7,010,048 B1Aqvity, LLC · 2006
- Communications method employing orthonormal time-frequency shifting and spectral shaping180US 8,547,988 B22013
- Orthonormal time-frequency shifting and spectral shaping communications method114US 9,083,483 B1Cohere Technologies, Inc. · 2015