H04L 27/2618
Reduction thereof using auxiliary subcarriers
Official title: {Reduction thereof using auxiliary subcarriers}
H04L27/2618 (Reduction thereof using auxiliary subcarriers) appears on 277 US grants and 321 published applications in this corpus.
Search patents in H04L- Granted patents
- 277
- Published applications
- 321
- Assignees
- 105
- Inventors
- 508
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 3 |
| 2003 | 0 | 2 |
| 2004 | 3 | 4 |
| 2005 | 1 | 5 |
| 2006 | 2 | 6 |
| 2007 | 3 | 8 |
| 2008 | 3 | 8 |
| 2009 | 9 | 11 |
| 2010 | 7 | 23 |
| 2011 | 9 | 8 |
| 2012 | 17 | 10 |
| 2013 | 14 | 12 |
| 2014 | 21 | 13 |
| 2015 | 11 | 14 |
| 2016 | 15 | 11 |
| 2017 | 14 | 14 |
| 2018 | 17 | 17 |
| 2019 | 22 | 20 |
| 2020 | 18 | 13 |
| 2021 | 8 | 23 |
| 2022 | 8 | 34 |
| 2023 | 33 | 12 |
| 2024 | 20 | 14 |
| 2025 | 11 | 25 |
| 2026 | 7 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Dynamic location tone reservation19 May 2026US 12,634,093 B2QUALCOMM Incorporated
- Method for reducing peak-to-average power ratio PAPR, and communication apparatus19 May 2026US 12,634,094 B2Huawei Technologies Co., Ltd.
- Crest factor reduction cancellation pulse having a reduced length7 Apr 2026US 12,598,101 B2Intel Corporation
- Method and apparatus for transmitting/receiving wireless signal in wireless communication system24 Mar 2026US 12,587,423 B2LG Electronics Inc.
- Methods, apparatuses directed to enabling tone reservations in wireless systems17 Mar 2026US 12,580,799 B2InterDigital Patent Holdings, Inc.
- Machine learning-based constellation shaping in wireless communication network17 Sep 2026US 2026/0280959 A1Nokia Solutions and Networks Oy
- O-ran tr enhancement13 Aug 2026US 2026/0239316 A1QUALCOMM Incorporated
- Communication method and apparatus2 Jul 2026US 2026/0189350 A1Huawei Technologies Co., Ltd.
- Channel oriented noise shaping2 Jul 2026US 2026/0189447 A1QUALCOMM Incorporated
- Methods, apparatuses and systems directed to enabling tone reservations in wireless systems25 Jun 2026US 2026/0180845 A1InterDigital Patent Holdings, Inc.
Most cited
By later US patents
- Method and apparatus for controlling peak factor of coherent frequency-division-multiplexed systems200US 5,970,053 ARDL, Inc. · 1999
- Optimal signal synthesis for distortion cancelling multicarrier systems146US 5,125,100 A1992
- Method and apparatus for reducing peak-to-average power ratio in a discrete multi-tone signal137US 6,674,810 B13Com Corporation · 2004
- Reducing peak-to-average variance of a composite transmitted signal via out-of-band artifact signaling89US 5,490,172 AAirnet Communications Corporation · 1996
- Daisy-chained ring of remote units for a distributed antenna system89US 8,737,300 B2Dali Systems Co. Ltd. · 2014