H04L 27/2646
Using feedback from receiver for adjusting ofdm transmission parameters
Official title: {using feedback from receiver for adjusting OFDM transmission parameters, e.g. transmission timing or guard interval length}
H04L27/2646 (Using feedback from receiver for adjusting ofdm transmission parameters) appears on 822 US grants and 986 published applications in this corpus.
Search patents in H04L- Granted patents
- 822
- Published applications
- 986
- Assignees
- 208
- Inventors
- 1,464
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 1 |
| 2002 | 3 | 5 |
| 2003 | 1 | 3 |
| 2004 | 2 | 2 |
| 2005 | 2 | 0 |
| 2006 | 1 | 5 |
| 2007 | 2 | 14 |
| 2008 | 3 | 11 |
| 2009 | 3 | 10 |
| 2010 | 8 | 11 |
| 2011 | 6 | 21 |
| 2012 | 12 | 17 |
| 2013 | 21 | 38 |
| 2014 | 43 | 38 |
| 2015 | 47 | 63 |
| 2016 | 49 | 59 |
| 2017 | 55 | 65 |
| 2018 | 62 | 85 |
| 2019 | 74 | 80 |
| 2020 | 71 | 86 |
| 2021 | 70 | 60 |
| 2022 | 58 | 93 |
| 2023 | 79 | 62 |
| 2024 | 64 | 54 |
| 2025 | 64 | 51 |
| 2026 | 19 | 52 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Communication apparatus and communication method25 Aug 2026US 12,719,726 B2Panasonic Holdings Corporation
- Apparatus and method for performing communication based on timing alignment error (TAE) in wireless communication system25 Aug 2026US 12,719,729 B2Samsung Electronics Co., Ltd.
- Joint sensing and communications using OFDM waveforms11 Aug 2026US 12,704,587 B2Rutgers, The State University of Jersey
- Methods, apparatus, and systems for delay spread measurement, reporting, and cyclic prefix determination11 Aug 2026US 12,706,653 B2InterDigital Patent Holdings, Inc.
- Resource quantization for guard interval (GI)-based waveforms11 Aug 2026US 12,706,792 B2QUALCOMM Incorporated
- Method of creating embedded components on an antenna substrate and antenna apparatus formed with same1 Oct 2026US 2026/0303425 A1ViaSat, Inc.
- Adaptive aggregation of metrics for ofdm/ofdma profile generation27 Aug 2026US 2026/0254570 A1ARRIS Enterprises LLC
- Techniques for mixed numerology slot formats27 Aug 2026US 2026/0254686 A1QUALCOMM Incorporated
- Communication Method and Apparatus27 Aug 2026US 2026/0254687 A1Huawei Technologies Co., Ltd.
- Transmitter and transmission method20 Aug 2026US 2026/0247350 A1Ntt Docomo, Inc.
Most cited
By later US patents
- System and method for distributed input distributed output wireless communications272US 7,599,420 B2Rearden, LLC · 2009
- Adaptive time diversity and spatial diversity for OFDM231US 6,985,434 B2Nortel Networks Limited · 2006
- Spectral optimization for communication under a peak frequency-domain power constraint145US 6,839,429 B1Wm. Marsh Rice University · 2005
- Signal construction, detection and estimation for uplink timing synchronization and access control in a multi-access wireless communication system141US 6,922,388 B1Lucent Technologies Inc. · 2005
- Cooperative beam-forming in wireless networks117US 8,670,390 B2Genghiscomm Holdings, LLC · 2014