H04L 27/264
Pulse-shaped multi-carrier, i.e. not using rectangular window
Official title: {Pulse-shaped multi-carrier, i.e. not using rectangular window}
H04L27/264 (Pulse-shaped multi-carrier, i.e. not using rectangular window) appears on 295 US grants and 342 published applications in this corpus.
Search patents in H04L- Granted patents
- 295
- Published applications
- 342
- Assignees
- 132
- Inventors
- 568
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 2 |
| 2003 | 2 | 2 |
| 2004 | 4 | 1 |
| 2005 | 0 | 3 |
| 2006 | 3 | 1 |
| 2007 | 1 | 1 |
| 2008 | 1 | 2 |
| 2009 | 3 | 3 |
| 2010 | 1 | 2 |
| 2011 | 1 | 1 |
| 2012 | 1 | 7 |
| 2013 | 6 | 4 |
| 2014 | 8 | 10 |
| 2015 | 11 | 17 |
| 2016 | 6 | 26 |
| 2017 | 17 | 39 |
| 2018 | 46 | 46 |
| 2019 | 47 | 33 |
| 2020 | 31 | 20 |
| 2021 | 29 | 25 |
| 2022 | 19 | 12 |
| 2023 | 14 | 17 |
| 2024 | 13 | 24 |
| 2025 | 18 | 27 |
| 2026 | 6 | 17 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Systems, devices, and methods for multi-band spread spectrum communication16 Jun 2026US 12,659,209 B2Battelle Energy Alliance, LLC
- Reference signal management24 Mar 2026US 12,587,422 B2Nokia Technologies Oy
- Rearrangement scheme for low peak-to-average power ratio Faster-Than-Nyquist waveform24 Mar 2026US 12,587,424 B2QUALCOMM Incorporated
- Spectrum shaping and subband spectrum shaping for tight spectrum confinement and transceiver structure13 Jan 2026US 12,526,174 B2QUALCOMM Incorporated
- Spectrum shaping method for non-orthogonal waveform and electronic device13 Jan 2026US 12,526,178 B2Ntt Docomo, Inc.
- Frequency division multiplexing of random access channel occasions17 Sep 2026US 2026/0282106 A1Samsung Electronics Co., Ltd.
- Communication Method and Apparatus27 Aug 2026US 2026/0254687 A1Huawei Technologies Co., Ltd.
- Hopping design for srs with partial sounded sub-band27 Aug 2026US 2026/0254695 A1Samsung Electronics Co., Ltd.
- Orthogonal time frequency based transmissions in next generation wireless systems20 Aug 2026US 2026/0246681 A1Wisig Networks Private Limited
- Transmitter and transmission method20 Aug 2026US 2026/0247350 A1Ntt Docomo, Inc.
Most cited
By later US patents
- Orthogonal superposition coding for direct-sequence communications207US 7,317,750 B2Lot 41 Acquisition Foundation, LLC · 2008
- Adaptive distribution system for transmitting wideband video data over narrowband multichannel wireless communication system172US 5,585,850 A1996
- Multi-carrier transceiver80US 5,497,398 AAware, Inc. · 1996
- Synchronization techniques in multipoint-to-point communication using orthgonal frequency division multiplexing70US 7,280,564 B1ADC Telecommunications, Inc. · 2007
- Transmitter and receiver for an othogonally multiplexed QAM signal of a sampling rate N times that of PAM signals, comprising an N/2-point offset fourier transform processor68US 4,300,229 ANippon Electric Co., Ltd. · 1981